Fix log4j2 file link on windows

Bump org.apache.logging.log4j:log4j-core from 2.24.3 to 2.25.3

.github/FUNDING.yml

@@ -0,0 +1,2 @@
+github: [RatzzFatzz]
+custom: "https://paypal.me/ratzmichael"

.github/ISSUE_TEMPLATE/default-bug-report.md

@@ -0,0 +1,23 @@
+---
+name: Bug Report
+about: Create a report to help me improve
+title: ''
+labels: bug
+assignees: RatzzFatzz
+
+---
+
+**Environment**
+Java Version: [e.g. 8, 11, 17]
+MKV Audio Subtitle Changer version: [e.g. v1.1, v2.0]
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Additional context**
+Add any other context about the problem here.
+
+### Please attach logs

.github/ISSUE_TEMPLATE/default-feature-request.md

@@ -0,0 +1,11 @@
+---
+name: Feature Request
+about: Tell me about something you would want me to add
+title: ''
+labels: feature-request
+
+---
+
+**Describe your feature**
+A clear and concise description of the expected behaviour. 
+

.github/workflows/release.yml

@@ -0,0 +1,144 @@
+# This workflow will run every time a tag starting with v is created.
+
+name: Build and release
+on:
+  release:
+    types: [ created ]
+
+jobs:
+  portable-build:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: write
+
+    steps:
+      - name: Install mkvtoolnix
+        run: sudo apt-get install -y mkvtoolnix
+
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.release.tag_name }}
+
+      - name: Extract version from tag
+        id: get_version
+        run: echo "VERSION=$(echo ${GITHUB_REF_NAME#v} | cut -d'-' -f1)" >> $GITHUB_OUTPUT
+        shell: bash
+
+      - name: Set timezone
+        uses: szenius/set-timezone@v2.0
+        with:
+          timezoneLinux: "Europe/Berlin"
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4.7.0
+        with:
+          distribution: temurin
+          java-version: 17
+
+      - name: Setup workspace
+        run: mkdir artifacts
+
+      - name: Build with Maven
+        run: |
+          mvn clean package --file pom.xml -P portable -Drevision="${{ steps.get_version.outputs.VERSION }}"
+          cp target/M*.{zip,tar} artifacts/
+
+      - name: Upload artifacts
+        uses: skx/github-action-publish-binaries@master
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          args: 'artifacts/M*'
+
+  debian-build:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: write
+
+    steps:
+      - name: Install mkvtoolnix
+        run: sudo apt-get install -y mkvtoolnix
+
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.release.tag_name }}
+
+      - name: Extract version from tag
+        id: get_version
+        run: echo "VERSION=$(echo ${GITHUB_REF_NAME#v} | cut -d'-' -f1)" >> $GITHUB_OUTPUT
+        shell: bash
+
+      - name: Set timezone
+        uses: szenius/set-timezone@v2.0
+        with:
+          timezoneLinux: "Europe/Berlin"
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4.7.0
+        with:
+          distribution: temurin
+          java-version: 17
+
+      - name: Setup workspace
+        run: mkdir artifacts
+
+      - name: Build with Maven
+        run: |
+          mvn clean package --file pom.xml -P debian -Drevision="${{ steps.get_version.outputs.VERSION }}"
+          cp target/M*.deb artifacts/
+
+      - name: Upload artifacts
+        uses: skx/github-action-publish-binaries@master
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          args: 'artifacts/M*'
+
+  windows-installer-build:
+    runs-on: windows-latest
+
+    permissions:
+      contents: write
+
+    steps:
+      - name: Install mkvtoolnix
+        uses: crazy-max/ghaction-chocolatey@v3
+        with:
+          args: install mkvtoolnix -y
+
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.release.tag_name }}
+
+      - name: Extract version from tag
+        id: get_version
+        run: echo "VERSION=$(echo ${GITHUB_REF_NAME#v} | cut -d'-' -f1)" >> $GITHUB_OUTPUT
+        shell: bash
+
+      - name: Set timezone
+        uses: szenius/set-timezone@v2.0
+        with:
+          timezoneWindows: "Berlin Standard Time"
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4.7.0
+        with:
+          distribution: temurin
+          java-version: 21
+
+      - name: Setup workspace
+        run: mkdir artifacts
+
+      - name: Build with Maven
+        run: mvn clean package --file pom.xml -P windows -Drevision="${{ steps.get_version.outputs.VERSION }}"
+
+      - name: Upload artifacts
+        uses: AButler/upload-release-assets@v3.0
+        with:
+          files: 'target/installer/*'
+          repo-token: ${{ secrets.GITHUB_TOKEN }}

.gitignore

@@ -3,6 +3,7 @@
 
 # Log file
 *.log
+logs/
 
 # BlueJ files
 *.ctxt

LICENSE

@@ -0,0 +1,674 @@
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+
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+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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+Also add information on how to contact you by electronic and paper mail.
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+  If the program does terminal interaction, make it output a short
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+    <program>  Copyright (C) <year>  <name of author>
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+    This is free software, and you are welcome to redistribute it
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+
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+
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+Public License instead of this License.  But first, please read
+<https://www.gnu.org/licenses/why-not-lgpl.html>.

README.md

@@ -1,46 +1,78 @@
-### Table of content
- - Introduction
- - Requirements
- - Running
- - config.yml example
+## Introduction
 
-### Introduction
+This CLI tool uses MKVToolNix to quickly modify track properties in MKV files without reencoding. Use profiles to set default audio/subtitle tracks and add commentary, hearing impaired, and forced flags in bulk.
+![](example.gif)
 
-This program helps changing audio and subtitle lines of mkv files.
+## Requirements
 
-### Requirements
-
- - Java 8 or higher
+ - Java 21 or newer
  - mkvtoolnix installation
  
-### Running
-
-Opening terminal / cmd in the directory of the jar and the config file and execute following command:
-
-`java -jar mkvaudiosubtitleschanger.jar [path to mkv or dir with mkv]`
-
-You have to replace the brackets and the content of it with the path to your mkv file or the directory with mkv files.
-
-### config.yml example
-Config file needs to be placed in the same directory as the jar.
-
+## Execution
+```shell
+# Portable
+java -jar mkvaudiosubtitlechanger.jar --attribute-config eng:ger -s ./videos
+# Installed
+mkvaudiosubtitlechanger.jar --attribute-config eng:ger -s ./videos
 ```
-mkvtoolnixPath: /usr/bin
-config:
-  1:
-    audio:
-      - jpn
-    subtitle:
-      - ger
-      - eng
-  2:
-    audio:
-      - ger
-      - eng
-    subtitle:
-      - OFF
+Remove `--safemode` or `-s` to actually apply the changes. Using safemode for the first execution is recommended.
+
+### Update defaults
+To update the default flag for tracks use `--attribute-config` or `-a`.
+This parameter takes in a list of pairs `audio:subtitle` (E.g. `eng:ger`).
+The order of these configs matters, because they are processed in order. 
+The matching stops when the first match was found or when no match was found. 
+For example `-a ger:OFF eng:ger` first tries to find a match for german audio, if that is not possible it tries the same for english with german subs. 
+This can be extended indefinitely.
+
+Using this parameter is not required, but it is the reason I originally started developing this tool.
+
+### Available parameters
+```
+  -a, --attribute-config=<attributeConfig>...
+                            List of audio:subtitle pairs for matching defaults in order (e.g. jpn:eng jpn:ger)
+  -m, --mkvtoolnix=<mkvToolNix>
+                            path to mkvtoolnix installation
+  -s, --safemode            test run (no files will be changes)
+  -t, --threads=<threads>   thread count
+                              Default: 2
+  -c, --coherent=<coherent> try to match all files in dir of depth with the same attribute config. Attempting increasing deeper levels until match is found (worst case applying config on single file basis)
+      -cf, --force-coherent only applies changes if a coherent match was found for the specifically entered depth
+  -d, --filter-date=<filterDate>
+                            only consider files created newer than entered date (format: "dd.MM.yyyy-HH:mm:ss")
+  -i, --include-pattern=<includePattern>
+                            include files matching pattern
+  -e, --exclude=<excluded>...
+                            relative directories and files to be excluded (no wildcard)
+  -o, -overwrite-forced     remove all forced flags
+      --forced-keywords=<forcedKeywords>[, <forcedKeywords>...]...
+                            Keywords to identify forced tracks (Defaults will be overwritten)
+                              Default: forced, signs, songs
+      --commentary-keywords=<commentaryKeywords>[, <commentaryKeywords>...]...
+                            Keywords to identify commentary tracks (Defaults will be overwritten)
+                              Default: comment, commentary, director
+      --hearing-impaired=<hearingImpaired>[, <hearingImpaired>...]...
+                            Keywords to identify hearing impaired tracks (Defaults will be overwritten
+                              Default: SDH, CC
+      --preferred-subtitles=<preferredSubtitles>[, <preferredSubtitles>...]...
+                            Keywords to prefer specific subtitle tracks (Defaults will be overwritten)
+                              Default: unstyled
+      --debug               Enable debug logging
+  -h, --help                Show this help message and exit.
+  -V, --version             Print version information and exit.
+```
+If you need more information how each parameter works, check out [this wiki page](https://github.com/RatzzFatzz/MKVAudioSubtitleChanger/wiki/Parameters-v4).
+
+All parameters can also be defined in a [config file](https://picocli.info/#_argument_files_for_long_command_lines).
+
+## Build requirements
+- JDK 21 or newer
+- Maven 3
+- Git
+
+## Build from source
+```shell
+git clone https://github.com/RatzzFatzz/MKVAudioSubtitleChanger.git
+cd MKVAudioSubtitleChanger
+mvn clean package -Pportable
 ```
-This config will first check if there is japanese audio and german or english subtitles available, if yes,
-it will set these attributes. If these are not available, it will check the second part. This means, it checks
-if german or english audio is available. It does not care for the subtitle, because it's "off", which means, it 
-will disable subtitles in this case.

config.yaml

@@ -1,14 +0,0 @@
-mkvtoolnixPath: /usr/bin
-config:
-  1:
-    audio:
-      - jpn
-    subtitle:
-      - ger
-      - eng
-  2:
-    audio:
-      - ger
-      - eng
-    subtitle:
-      - OFF

language-codes

@@ -0,0 +1,487 @@
+aar
+abk
+ace
+ach
+ada
+ady
+afa
+afh
+afr
+ain
+aka
+akk
+alb
+ale
+alg
+alt
+ang
+amh
+anp
+apa
+ara
+arc
+arg
+arm
+arn
+arp
+art
+arw
+asm
+ast
+ath
+aus
+ava
+ave
+awa
+aym
+aze
+bad
+bai
+bak
+bal
+bam
+ban
+baq
+bas
+bat
+bej
+bel
+bem
+ben
+ber
+bho
+bih
+bik
+bin
+bis
+bla
+bnt
+bos
+bra
+bre
+btk
+bua
+bug
+bul
+bur
+byn
+cad
+cai
+car
+cat
+cau
+ceb
+cel
+cha
+chb
+che
+chg
+chi
+chk
+chm
+chn
+cho
+chp
+chr
+chu
+chv
+chy
+cmc
+cnr
+cop
+cor
+cos
+cpe
+cpf
+cpp
+cre
+crh
+crp
+csb
+cus
+cze
+dak
+dan
+dar
+day
+del
+den
+dgr
+din
+div
+doi
+dra
+dsb
+dua
+dum
+dut
+dyu
+dzo
+efi
+egy
+eka
+elx
+eng
+enm
+epo
+est
+ewe
+ewo
+fan
+fao
+fat
+fij
+fil
+fin
+fiu
+fon
+fre
+frm
+fro
+frr
+frs
+fry
+ful
+fur
+gaa
+gay
+gba
+gem
+geo
+ger
+gez
+gil
+gla
+gle
+glg
+glv
+gmh
+goh
+gon
+gor
+got
+grb
+grc
+gre
+grn
+gsw
+guj
+gwi
+hai
+hat
+hau
+haw
+heb
+her
+hil
+him
+hin
+hit
+hmn
+hmo
+hrv
+hsb
+hun
+hup
+iba
+ibo
+ice
+ido
+iii
+ijo
+iku
+ile
+ilo
+ina
+inc
+ind
+ine
+inh
+ipk
+ira
+iro
+ita
+jav
+jbo
+jpn
+jpr
+jrb
+kaa
+kab
+kac
+kal
+kam
+kan
+kar
+kas
+kau
+kaw
+kaz
+kbd
+kha
+khi
+khm
+kho
+kik
+kin
+kir
+kmb
+kok
+kom
+kon
+kor
+kos
+kpe
+krc
+krl
+kro
+kru
+kua
+kum
+kur
+kut
+lad
+lah
+lam
+lao
+lat
+lav
+lez
+lim
+lin
+lit
+lol
+loz
+ltz
+lua
+lub
+lug
+lui
+lun
+luo
+lus
+mac
+mad
+mag
+mah
+mai
+mak
+mal
+man
+mao
+map
+mar
+mas
+may
+mdf
+mdr
+men
+mga
+mic
+min
+mis
+mkh
+mlg
+mlt
+mnc
+mni
+mno
+moh
+mon
+mos
+mul
+mun
+mus
+mwl
+mwr
+myn
+myv
+nah
+nai
+nap
+nau
+nav
+nbl
+nde
+ndo
+nds
+nep
+new
+nia
+nic
+niu
+nno
+nob
+nog
+non
+nor
+nqo
+nso
+nub
+nwc
+nya
+nym
+nyn
+nyo
+nzi
+oci
+oji
+ori
+orm
+osa
+oss
+ota
+oto
+paa
+pag
+pal
+pam
+pan
+pap
+pau
+peo
+per
+phi
+phn
+pli
+pol
+pon
+por
+pra
+pro
+pus
+que
+raj
+rap
+rar
+roa
+roh
+rom
+rum
+run
+rup
+rus
+sad
+sag
+sah
+sai
+sal
+sam
+san
+sas
+sat
+scn
+sco
+sel
+sem
+sga
+sgn
+shn
+sid
+sin
+sio
+sit
+sla
+slo
+slv
+sma
+sme
+smi
+smj
+smn
+smo
+sms
+sna
+snd
+snk
+sog
+som
+son
+sot
+spa
+srd
+srn
+srp
+srr
+ssa
+ssw
+suk
+sun
+sus
+sux
+swa
+swe
+syc
+syr
+tah
+tai
+tam
+tat
+tel
+tem
+ter
+tet
+tgk
+tgl
+tha
+tib
+tig
+tir
+tiv
+tkl
+tlh
+tli
+tmh
+tog
+ton
+tpi
+tsi
+tsn
+tso
+tuk
+tum
+tup
+tur
+tut
+tvl
+twi
+tyv
+udm
+uga
+uig
+ukr
+umb
+und
+urd
+uzb
+vai
+ven
+vie
+vol
+vot
+wak
+wal
+war
+was
+wel
+wen
+wln
+wol
+xal
+xho
+yao
+yap
+yid
+yor
+ypk
+zap
+zbl
+zen
+zgh
+zha
+znd
+zul
+zun
+zxx
+zza
+OFF

maven/assembly.xml

@@ -0,0 +1,21 @@
+<assembly xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.2"
+          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+          xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.2 http://maven.apache.org/xsd/assembly-1.1.2.xsd">
+    <id>zip</id>
+    <includeBaseDirectory>true</includeBaseDirectory>
+
+    <formats>
+        <format>zip</format>
+        <format>tar</format>
+    </formats>
+    <files>
+        <file>
+            <source> ${project.build.directory}/${project.artifactId}-${project.version}.jar</source>
+            <destName>${project.artifactId}.jar</destName>
+            <outputDirectory>/</outputDirectory>
+        </file>
+        <file>
+            <source></source>
+        </file>
+    </files>
+</assembly>

pom.xml

@@ -4,9 +4,231 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
-    <groupId>MKVAudioSubtilesChanger</groupId>
-    <artifactId>MKVAudioSubtitlesChanger</artifactId>
-    <version>1.0</version>
+    <groupId>at.pcgamingfreaks</groupId>
+    <artifactId>MKVAudioSubtitleChanger</artifactId>
+    <version>${revision}</version>
+
+    <properties>
+        <revision>1.0.0-SNAPSHOT</revision>
+        <mainClass>at.pcgamingfreaks.mkvaudiosubtitlechanger.Main</mainClass>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+
+        <project.maintainer>RatzzFatzz</project.maintainer>
+        <project.maintainer.mail>github.contact@ratzloeffel.de</project.maintainer.mail>
+        <project.description>Command-line utility for batch-managing default audio and subtitle tracks in MKV files.</project.description>
+
+        <java-version>17</java-version>
+        <lombok-version>1.18.42</lombok-version>
+    </properties>
+
+    <profiles>
+        <profile>
+            <id>portable</id>
+            <build>
+                <resources>
+                    <resource>
+                        <directory>src/main/resources</directory>
+                        <includes>
+                            <include>log4j2.yml</include>
+                        </includes>
+                    </resource>
+                </resources>
+                <plugins>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-assembly-plugin</artifactId>
+                        <version>3.3.0</version>
+                        <executions>
+                            <execution>
+                                <id>archive</id>
+                                <phase>package</phase>
+                                <goals>
+                                    <goal>single</goal>
+                                </goals>
+                                <configuration>
+                                    <appendAssemblyId>false</appendAssemblyId>
+                                    <descriptors>
+                                        <descriptor>maven/assembly.xml</descriptor>
+                                    </descriptors>
+                                </configuration>
+                            </execution>
+                        </executions>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+        <profile>
+            <id>windows</id>
+            <build>
+                <resources>
+                    <resource>
+                        <directory>src/main/resources</directory>
+                        <includes>
+                            <include>log4j2-windows.yml</include>
+                        </includes>
+                    </resource>
+                </resources>
+                <plugins>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-jar-plugin</artifactId>
+                        <version>3.4.2</version>
+                        <configuration>
+                            <finalName>${project.artifactId}</finalName>
+                        </configuration>
+                    </plugin>
+                    <plugin>
+                        <artifactId>maven-resources-plugin</artifactId>
+                        <version>3.3.1</version>
+                        <executions>
+                            <execution>
+                                <id>copy-jpackage-input</id>
+                                <phase>package</phase>
+                                <goals>
+                                    <goal>copy-resources</goal>
+                                </goals>
+                                <configuration>
+                                    <outputDirectory>${project.build.directory}/jpackage-input</outputDirectory>
+                                    <resources>
+                                        <resource>
+                                            <directory>${project.build.directory}</directory>
+                                            <includes>
+                                                <include>${project.artifactId}.jar</include>
+                                            </includes>
+                                        </resource>
+                                    </resources>
+                                </configuration>
+                            </execution>
+                            <execution>
+                                <id>filter-windows-installer-info</id>
+                                <phase>package</phase>
+                                <goals>
+                                    <goal>copy-resources</goal>
+                                </goals>
+                                <configuration>
+                                    <outputDirectory>${project.build.directory}/wix-resources</outputDirectory>
+                                    <resources>
+                                        <resource>
+                                            <directory>${project.basedir}/src/wix/resources</directory>
+                                            <filtering>true</filtering>
+                                        </resource>
+                                    </resources>
+                                </configuration>
+                            </execution>
+                        </executions>
+                    </plugin>
+                    <plugin>
+                        <groupId>org.panteleyev</groupId>
+                        <artifactId>jpackage-maven-plugin</artifactId>
+                        <version>1.7.1</version>
+                        <configuration>
+                            <name>${project.artifactId}</name>
+                            <vendor>RatzzFatzz</vendor>
+                            <appVersion>${project.version}</appVersion>
+
+                            <destination>target/installer</destination>
+
+                            <input>target/jpackage-input</input>
+                            <mainClass>at.pcgamingfreaks.mkvaudiosubtitlechanger.Main</mainClass>
+                            <mainJar>${project.artifactId}.jar</mainJar>
+
+                            <resourceDir>${project.build.directory}/wix-resources/</resourceDir>
+                            <type>EXE</type>
+                            <winConsole>true</winConsole>
+                            <winShortcut>false</winShortcut>
+                            <winMenu>false</winMenu>
+                            <javaOptions>
+                                <javaOption>-Dlog4j2.configurationFile=log4j2-windows.yml</javaOption>
+                            </javaOptions>
+                        </configuration>
+                        <executions>
+                            <execution>
+                                <id>windows</id>
+                                <phase>package</phase>
+                                <goals>
+                                    <goal>jpackage</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+        <profile>
+            <id>debian</id>
+            <build>
+                <resources>
+                    <resource>
+                        <directory>src/main/resources</directory>
+                        <includes>
+                            <include>log4j2-debian.yml</include>
+                        </includes>
+                    </resource>
+                </resources>
+                <plugins>
+                    <plugin>
+                        <artifactId>maven-resources-plugin</artifactId>
+                        <version>3.3.1</version>
+                        <executions>
+                            <execution>
+                                <id>filter-linux-package-info</id>
+                                <phase>package</phase>
+                                <goals>
+                                    <goal>copy-resources</goal>
+                                </goals>
+                                <configuration>
+                                    <outputDirectory>${project.build.directory}/debian-package-info</outputDirectory>
+                                    <resources>
+                                        <resource>
+                                            <directory>${project.basedir}/src/deb</directory>
+                                            <filtering>true</filtering>
+                                        </resource>
+                                    </resources>
+                                </configuration>
+                            </execution>
+                        </executions>
+                    </plugin>
+                    <plugin>
+                        <artifactId>jdeb</artifactId>
+                        <groupId>org.vafer</groupId>
+                        <version>1.13</version>
+                        <executions>
+                            <execution>
+                                <phase>package</phase>
+                                <goals>
+                                    <goal>jdeb</goal>
+                                </goals>
+                                <configuration>
+                                    <dataSet>
+                                        <!-- JAR file -->
+                                        <data>
+                                            <src>${project.build.directory}/${project.build.finalName}.jar</src>
+                                            <type>file</type>
+                                            <mapper>
+                                                <type>perm</type>
+                                                <prefix>/usr/lib/${project.artifactId}</prefix>
+                                            </mapper>
+                                        </data>
+                                        <!-- Launcher script -->
+                                        <data>
+                                            <src>${project.build.directory}/debian-package-info/bin/mkvaudiosubtitlechanger</src>
+                                            <type>file</type>
+                                            <mapper>
+                                                <type>perm</type>
+                                                <prefix>/usr/bin</prefix>
+                                                <filemode>755</filemode>
+                                            </mapper>
+                                        </data>
+                                    </dataSet>
+                                    <controlDir>${project.build.directory}/debian-package-info/control</controlDir>
+                                </configuration>
+                            </execution>
+                        </executions>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+    </profiles>
 
     <build>
         <defaultGoal>clean package</defaultGoal>
@@ -14,7 +236,13 @@
         <testSourceDirectory>src/test/java</testSourceDirectory>
         <resources>
             <resource>
-                <directory>src/main/resources</directory>
+                <directory>./</directory>
+                <includes>
+                    <include>language-codes</include>
+                    <include>project.properties</include>
+                    <include>LICENSE</include>
+                </includes>
+                <filtering>true</filtering>
             </resource>
         </resources>
         <testResources>
@@ -24,23 +252,14 @@
         </testResources>
 
         <plugins>
-            <plugin>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.1</version>
-                <configuration>
-                    <source>1.8</source>
-                    <target>1.8</target>
-                </configuration>
-            </plugin>
-
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-jar-plugin</artifactId>
-                <version>3.1.1</version>
+                <version>3.4.2</version>
                 <configuration>
                     <archive>
                         <manifestEntries>
-                            <Main-Class>at/pcgamingfreaks/mkvaudiosubtitlechanger/Main</Main-Class>
+                            <Main-Class>${mainClass}</Main-Class>
                         </manifestEntries>
                     </archive>
                 </configuration>
@@ -48,7 +267,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
-                <version>3.2.1</version>
+                <version>3.6.0</version>
                 <executions>
                     <execution>
                         <phase>package</phase>
@@ -63,6 +282,13 @@
                                     <include>*:*</include>
                                 </includes>
                             </artifactSet>
+                            <transformers>
+                                <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
+                                    <manifestEntries>
+                                        <Multi-Release>true</Multi-Release>
+                                    </manifestEntries>
+                                </transformer>
+                            </transformers>
                         </configuration>
                     </execution>
                 </executions>
@@ -70,16 +296,33 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>2.22.2</version>
+                <version>3.5.2</version>
             </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.13.0</version>
                 <configuration>
-                    <source>9</source>
-                    <target>9</target>
+                    <source>${java-version}</source>
+                    <target>${java-version}</target>
+                    <compilerArgs>
+                        <arg>-Aproject=${project.groupId}/${project.artifactId}</arg>
+                    </compilerArgs>
+                    <annotationProcessorPaths>
+                        <path>
+                            <groupId>org.projectlombok</groupId>
+                            <artifactId>lombok</artifactId>
+                            <version>${lombok-version}</version>
+                        </path>
+                        <path>
+                            <groupId>info.picocli</groupId>
+                            <artifactId>picocli-codegen</artifactId>
+                            <version>4.7.7</version>
+                        </path>
+                    </annotationProcessorPaths>
                 </configuration>
             </plugin>
+
         </plugins>
     </build>
 
@@ -91,86 +334,155 @@
     </repositories>
 
     <dependencies>
-        <dependency>
-            <groupId>com.intellij</groupId>
-            <artifactId>forms_rt</artifactId>
-            <version>7.0.3</version>
-        </dependency>
+        <!-- https://mvnrepository.com/artifact/org.projectlombok/lombok -->
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
-            <version>1.18.8</version>
+            <version>${lombok-version}</version>
             <scope>provided</scope>
         </dependency>
+        <!-- https://mvnrepository.com/artifact/info.picocli/picocli -->
+        <dependency>
+            <groupId>info.picocli</groupId>
+            <artifactId>picocli</artifactId>
+            <version>4.7.7</version>
+        </dependency>
+
+        <!-- Jakarta Bean Validation -->
+        <!-- https://mvnrepository.com/artifact/jakarta.validation/jakarta.validation-api -->
+        <dependency>
+            <groupId>jakarta.validation</groupId>
+            <artifactId>jakarta.validation-api</artifactId>
+            <version>4.0.0-M1</version>
+        </dependency>
+        <!-- Hibernate Validator -->
+        <!-- https://mvnrepository.com/artifact/org.hibernate.validator/hibernate-validator -->
+        <dependency>
+            <groupId>org.hibernate.validator</groupId>
+            <artifactId>hibernate-validator</artifactId>
+            <version>9.1.0.Final</version>
+        </dependency>
+
+        <!-- Expression Language Implementation -->
+        <!-- https://mvnrepository.com/artifact/jakarta.el/jakarta.el-api -->
+        <dependency>
+            <groupId>jakarta.el</groupId>
+            <artifactId>jakarta.el-api</artifactId>
+            <version>6.0.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.glassfish</groupId>
+            <artifactId>jakarta.el</artifactId>
+            <version>5.0.0-M1</version>
+        </dependency>
+
         <!-- region logging -->
+        <!-- https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-api -->
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-api</artifactId>
-            <version>2.17.1</version>
+            <version>2.25.3</version>
         </dependency>
+        <!-- https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-core -->
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.17.1</version>
+            <version>2.25.3</version>
         </dependency>
+        <!-- https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-slf4j2-impl -->
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-slf4j-impl</artifactId>
-            <version>2.17.1</version>
-        </dependency>
-        <dependency>
-            <groupId>org.slf4j</groupId>
-            <artifactId>slf4j-log4j12</artifactId>
-            <version>1.7.28</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.slf4j</groupId>
-            <artifactId>jcl-over-slf4j</artifactId>
-            <version>1.7.28</version>
-        </dependency>
-        <dependency>
-            <groupId>org.slf4j</groupId>
-            <artifactId>jul-to-slf4j</artifactId>
-            <version>1.7.28</version>
+            <artifactId>log4j-slf4j2-impl</artifactId>
+            <version>2.25.3</version>
         </dependency>
+
+        <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.dataformat/jackson-dataformat-yaml -->
         <dependency>
             <groupId>com.fasterxml.jackson.dataformat</groupId>
             <artifactId>jackson-dataformat-yaml</artifactId>
-            <version>2.13.1</version>
+            <version>2.20.0</version>
         </dependency>
+
+        <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind -->
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.13.1</version>
+            <version>2.20.0</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/commons-cli/commons-cli -->
+        <dependency>
+            <groupId>commons-cli</groupId>
+            <artifactId>commons-cli</artifactId>
+            <version>1.11.0</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/org.apache.commons/commons-lang3 -->
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>3.20.0</version>
+        </dependency>
+        <!-- Source: https://mvnrepository.com/artifact/commons-io/commons-io -->
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+            <version>2.21.0</version>
+            <scope>compile</scope>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/me.tongfei/progressbar -->
+        <dependency>
+            <groupId>me.tongfei</groupId>
+            <artifactId>progressbar</artifactId>
+            <version>0.10.1</version>
         </dependency>
         <!-- endregion -->
         <!-- region unit-tests -->
+        <!-- https://mvnrepository.com/artifact/org.junit.jupiter/junit-jupiter-api -->
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-api</artifactId>
-            <version>5.4.2</version>
+            <version>6.0.1</version>
             <scope>test</scope>
         </dependency>
+        <!-- https://mvnrepository.com/artifact/org.junit.jupiter/junit-jupiter-engine -->
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-engine</artifactId>
-            <version>5.4.2</version>
+            <version>6.0.1</version>
             <scope>test</scope>
         </dependency>
-        <!-- https://mvnrepository.com/artifact/org.mockito/mockito-all -->
+        <!-- https://mvnrepository.com/artifact/org.mockito/mockito-core -->
         <dependency>
             <groupId>org.mockito</groupId>
-            <artifactId>mockito-all</artifactId>
-            <version>1.9.5</version>
+            <artifactId>mockito-core</artifactId>
+            <version>5.21.0</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-junit-jupiter</artifactId>
+            <version>5.21.0</version>
+            <scope>test</scope>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/org.junit.jupiter/junit-jupiter-params -->
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-params</artifactId>
+            <version>6.0.1</version>
+            <scope>test</scope>
+        </dependency>
+
         <!-- endregion -->
         <dependency>
             <groupId>at.pcgamingfreaks</groupId>
             <artifactId>YAML-Parser</artifactId>
             <version>2.0-SNAPSHOT</version>
         </dependency>
+        <!-- https://mvnrepository.com/artifact/net.harawata/appdirs -->
+        <dependency>
+            <groupId>net.harawata</groupId>
+            <artifactId>appdirs</artifactId>
+            <version>1.5.0</version>
+        </dependency>
     </dependencies>
 
 </project>

project.properties

@@ -0,0 +1,2 @@
+version=${project.version}
+project_name=${project.artifactId}

src/deb/bin/mkvaudiosubtitlechanger

@@ -0,0 +1 @@
+java -Dlog4j2.configurationFile=log4j2-debian.yml -jar /usr/lib/${project.artifactId}/${project.artifactId}-${project.version}.jar "$@"

src/deb/control/control

@@ -0,0 +1,8 @@
+Package: [[artifactId]]
+Version: [[version]]
+Section: misc
+Priority: optional
+Architecture: all
+Depends: java-runtime (>=${java-version}), mkvtoolnix
+Maintainer: ${project.maintainer} <${project.maintainer.mail}>
+Description: ${project.description}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/AttributeUpdaterKernel.java

@@ -1,45 +0,0 @@
-package at.pcgamingfreaks.mkvaudiosubtitlechanger;
-
-import at.pcgamingfreaks.mkvaudiosubtitlechanger.config.AttributeConfig;
-import at.pcgamingfreaks.mkvaudiosubtitlechanger.config.ConfigProcessor;
-import at.pcgamingfreaks.mkvaudiosubtitlechanger.intimpl.MkvFileCollector;
-import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.FileAttribute;
-import at.pcgamingfreaks.mkvaudiosubtitlechanger.util.ConfigUtil;
-import lombok.extern.log4j.Log4j2;
-
-import java.io.File;
-import java.util.ArrayList;
-import java.util.List;
-
-@Log4j2
-public class AttributeUpdaterKernel {
-    MkvFileCollector collector = new MkvFileCollector();
-
-    public void execute(String path) {
-        List<AttributeConfig> configPattern = ConfigUtil.loadConfig();
-        List<File> allValidPaths = collector.loadFiles(path);
-        if(allValidPaths != null && configPattern != null){
-            for(File file : allValidPaths){
-                List<FileAttribute> attributes = collector.loadAttributes(file);
-                if (attributes.isEmpty()) {
-                    continue;
-                }
-                boolean fileHasChanged = false;
-                for(AttributeConfig config : configPattern){
-                    /*
-                     * Creating new ArrayList, because the method removes elements from the list by reference
-                     */
-                    fileHasChanged = new ConfigProcessor(config).processConfig(file, new ArrayList<>(attributes));
-                    if(fileHasChanged){
-                        break;
-                    }
-                }
-                if(! fileHasChanged){
-                    log.info(file.getName() + " didn't change!");
-                }
-            }
-        }else{
-            log.error("Path is not valid or config has errors!");
-        }
-    }
-}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/MKVToolProperties.java

@@ -1,25 +0,0 @@
-package at.pcgamingfreaks.mkvaudiosubtitlechanger;
-
-import lombok.Getter;
-import lombok.Setter;
-import lombok.extern.log4j.Log4j2;
-
-@Log4j2
-@Getter
-@Setter
-public class MKVToolProperties {
-    private String mkvmergePath;
-    private String mkvpropeditPath;
-
-    private static MKVToolProperties instance = null;
-
-    private MKVToolProperties() {
-    }
-
-    public static MKVToolProperties getInstance() {
-        if(instance == null){
-            instance = new MKVToolProperties();
-        }
-        return instance;
-    }
-}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/Main.java

@@ -1,40 +1,18 @@
 package at.pcgamingfreaks.mkvaudiosubtitlechanger;
 
-import at.pcgamingfreaks.yaml.YAML;
-import at.pcgamingfreaks.yaml.YamlInvalidContentException;
-import at.pcgamingfreaks.yaml.YamlKeyNotFoundException;
-import lombok.extern.log4j.Log4j2;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.CommandRunner;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.validation.ValidationExecutionStrategy;
+import picocli.CommandLine;
 
-import java.io.File;
-import java.io.IOException;
-
-@Log4j2
 public class Main {
     public static void main(String[] args) {
-        if(checkIfMKVToolNixIsValid()){
-            AttributeUpdaterKernel kernel = new AttributeUpdaterKernel();
-            kernel.execute(args[0]);
-        }else{
-            log.error("MKVToolNix was not found! Please recheck path");
+        if (args.length == 0) {
+            CommandLine.usage(CommandRunner.class, System.out);
+            return;
         }
-    }
 
-    private static boolean checkIfMKVToolNixIsValid() {
-        try{
-            String path = new YAML(new File("config.yaml")).getString("mkvtoolnixPath");
-            if(! path.endsWith(File.separator)){
-                path += File.separator;
-            }
-            if(System.getProperty("os.name").toLowerCase().contains("windows")){
-                MKVToolProperties.getInstance().setMkvmergePath(path + "mkvmerge.exe");
-                MKVToolProperties.getInstance().setMkvpropeditPath(path + "mkvpropedit.exe");
-            }else{
-                MKVToolProperties.getInstance().setMkvmergePath(path + "mkvmerge");
-                MKVToolProperties.getInstance().setMkvpropeditPath(path + "mkvpropedit");
-            }
-        }catch(YamlKeyNotFoundException | IOException | YamlInvalidContentException e){
-            e.printStackTrace();
-        }
-        return new File(MKVToolProperties.getInstance().getMkvmergePath()).isFile() && new File(MKVToolProperties.getInstance().getMkvpropeditPath()).isFile();
+        new CommandLine(CommandRunner.class)
+                .setExecutionStrategy(new ValidationExecutionStrategy())
+                .execute(args);
     }
 }

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/config/AttributeConfig.java

@@ -1,18 +0,0 @@
-package at.pcgamingfreaks.mkvaudiosubtitlechanger.config;
-
-import lombok.Getter;
-import lombok.extern.log4j.Log4j2;
-
-import java.util.List;
-
-@Log4j2
-@Getter
-public class AttributeConfig {
-    private List<String> audio;
-    private List<String> subtitle;
-
-    public AttributeConfig(List<String> audio, List<String> subtitle) {
-        this.audio = audio;
-        this.subtitle = subtitle;
-    }
-}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/config/ConfigProcessor.java

@@ -1,194 +0,0 @@
-package at.pcgamingfreaks.mkvaudiosubtitlechanger.config;
-
-import at.pcgamingfreaks.mkvaudiosubtitlechanger.MKVToolProperties;
-import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.FileAttribute;
-import lombok.Getter;
-import lombok.Setter;
-import lombok.extern.log4j.Log4j2;
-
-import java.io.File;
-import java.io.IOException;
-import java.util.Iterator;
-import java.util.List;
-
-@Log4j2
-public class ConfigProcessor {
-    private int audioDefault = - 1;
-    private int subtitleDefault = - 1;
-    private final AttributeConfig config;
-
-    public ConfigProcessor(AttributeConfig config) {
-        this.config = config;
-    }
-
-    /**
-     * Processes the config lists and apply the changes if the combination matches
-     *
-     * @param file       is the file, which will be updated
-     * @param attributes has the metadata for the transferred file
-     * @return If the current configuration matched and changes applied or not
-     */
-    public boolean processConfig(File file, List<FileAttribute> attributes) {
-        // check if size is bigger or equal 2 to make sure that there is at least one audio and subtitle line
-        // TODO: implement empty audio or subtitle line
-        if(attributes.size() >= 2){
-            TransferObject transfer = filterAttributes(attributes);
-            if(! attributes.isEmpty()){
-                return updateFile(file, attributes, transfer);
-            }
-        }
-        return false;
-    }
-
-    /*
-     * Filters the attributes that only those are remaining which are needed in the current configuration.
-     * Also analyzes which tracks were default before.
-     */
-    private TransferObject filterAttributes(List<FileAttribute> attributes) {
-        TransferObject transfer = new TransferObject();
-        Iterator<FileAttribute> iterator = attributes.iterator();
-        while(iterator.hasNext()){
-            FileAttribute elem = iterator.next();
-            if("audio".equals(elem.getType())){
-                if(elem.isDefaultTrack()){
-                    audioDefault = elem.getId();
-                }
-                if(config.getAudio().contains("OFF")){
-                    transfer.setAudioOn(false);
-                    transfer.setAudioIndex(- 2);
-                }
-                if(! config.getAudio().contains(elem.getLanguage())){
-                    iterator.remove();
-                }
-            }else if("subtitles".equals(elem.getType())){
-                if(elem.isDefaultTrack()){
-                    subtitleDefault = elem.getId();
-                }
-                if(config.getSubtitle().contains("OFF")){
-                    transfer.setSubtitleOn(false);
-                    transfer.setSubtitleIndex(- 2);
-                }
-                if(! config.getSubtitle().contains(elem.getLanguage())){
-                    iterator.remove();
-                }
-            }
-        }
-        return transfer;
-    }
-
-    /**
-     * Creates the command which will be executed if the attributes of the current file fit the current {@link AttributeConfig}
-     *
-     * @param file       is the file, which will be updated
-     * @param attributes has the metadata for the transferred file
-     * @return if the the current file was updated or not. Returns true if the file already has the correct metadata set
-     */
-    private boolean updateFile(File file, List<FileAttribute> attributes, TransferObject transfer) {
-        StringBuilder stringBuffer = new StringBuilder();
-        if(System.getProperty("os.name").toLowerCase().contains("windows")){
-            stringBuffer.append("\"");
-            stringBuffer.append(MKVToolProperties.getInstance().getMkvpropeditPath());
-            stringBuffer.append("\" \"").append(file.getAbsolutePath()).append("\" ");
-        }else{
-            stringBuffer.append(MKVToolProperties.getInstance().getMkvpropeditPath());
-            stringBuffer.append(" ").append(file.getAbsolutePath()).append(" ");
-        }
-        if(audioDefault != - 1){
-            stringBuffer.append("--edit track:=").append(audioDefault).append(" --set flag-default=0 ");
-        }
-        if(subtitleDefault != - 1){
-            stringBuffer.append("--edit track:=").append(subtitleDefault).append(" --set flag-default=0 ");
-        }
-        collectLines(attributes, transfer);
-        if(transfer.isValid){
-            if(transfer.isAudioOn){
-                stringBuffer.append("--edit track:=").append(transfer.getAudioIndex()).append(" --set flag-default=1 ");
-            }
-            if(transfer.isSubtitleOn){
-                stringBuffer.append("--edit track:=").append(transfer.getSubtitleIndex()).append(" --set flag-default=1 ");
-            }
-            if(subtitleDefault == transfer.getSubtitleIndex() && audioDefault == transfer.getAudioIndex()){
-                /*
-                 * In this case the file would be change to the exact same audio and subtitle lines and we want to
-                 * avoid unnecessary changes to the file
-                 */
-                log.info(file.getName() + " already fits config!");
-                return true;
-            }
-            try{
-                Runtime.getRuntime().exec(stringBuffer.toString());
-            }catch(IOException e){
-                log.error("Couldn't make changes to file");
-            }
-            /*
-             * We return true even if there was an error. If there was an error, the chances that this file is still
-             * busy later.
-             */
-            log.info(file.getName() + " was updated");
-            return true;
-        }else{
-            return false;
-        }
-    }
-
-    /**
-     * Analyzes the left over attributes and decides which is the most wanted for audio and subtitle
-     *
-     * @param attributes contains all the leftover attributes
-     * @return is an object, which contains information about which audio and subtitle line is the best suitable for
-     * the entered config. Also transfers a boolean which contains information about if the other two values
-     * were set
-     */
-    private TransferObject collectLines(List<FileAttribute> attributes, TransferObject transfer) {
-        int subtitleListIndex = - 1;
-        int audioListIndex = - 1;
-        for(FileAttribute elem : attributes){
-            if("audio".equals(elem.getType())){
-                for(int i = 0; i < config.getAudio().size(); i++){
-                    audioListIndex = findIndex("audio", elem, audioListIndex, config.getAudio(), transfer);
-                }
-            }else if("subtitles".equals(elem.getType())){
-                for(int i = 0; i < config.getSubtitle().size(); i++){
-                    subtitleListIndex = findIndex("subtitles", elem, subtitleListIndex, config.getSubtitle(), transfer);
-                }
-            }
-        }
-
-        transfer.analyzeIfValid();
-        return transfer;
-    }
-
-    private int findIndex(String type, FileAttribute elem, int index, List<String> config, TransferObject transfer) {
-        for(int i = 0; i < config.size(); i++){
-            if(config.get(i).equals(elem.getLanguage()) && (index == - 1 || i < index)){
-                switch(type){
-                    case "audio":
-                        transfer.setAudioIndex(elem.getId());
-                        break;
-                    case "subtitles":
-                        transfer.setSubtitleIndex(elem.getId());
-                        break;
-                }
-                return i;
-            }
-        }
-        return index;
-    }
-
-    @Getter
-    @Setter
-    private static class TransferObject {
-        private boolean isValid;
-        private int audioIndex = - 1;
-        private int subtitleIndex = - 1;
-        private boolean isSubtitleOn = true;
-        private boolean isAudioOn = true;
-
-        TransferObject() {
-        }
-
-        private void analyzeIfValid() {
-            isValid = audioIndex != - 1 && subtitleIndex != - 1;
-        }
-    }
-}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/exceptions/MkvToolNixException.java

@@ -0,0 +1,13 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.exceptions;
+
+public class MkvToolNixException extends RuntimeException{
+
+    public MkvToolNixException(String message) {
+        super(message);
+    }
+
+    @Override
+    public String getMessage() {
+        return super.getMessage().replaceAll("\\r|\\n", " ");
+    }
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/Cache.java

@@ -0,0 +1,19 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.function.Function;
+
+public class Cache<Key, Value> {
+    private final Map<Key, Value> cache = new HashMap<>();
+
+    /**
+     * Retrieve {@link Value} from Cache or run creationFunction and return its value.
+     * @param key key of cache map
+     * @param creationFunction function to create missing values
+     * @return {@link  Value} from Cache, or if missing result from creationFunction.
+     */
+    public synchronized Value retrieve(Key key, Function<Key, Value> creationFunction) {
+        return cache.computeIfAbsent(key, creationFunction::apply);
+    }
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/CommandRunner.java

@@ -0,0 +1,73 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.processors.*;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.InputConfig;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.util.ProjectUtil;
+import lombok.Getter;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.logging.log4j.Level;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.core.LoggerContext;
+import org.apache.logging.log4j.core.appender.RollingFileAppender;
+import org.apache.logging.log4j.core.config.Configuration;
+import org.apache.logging.log4j.core.config.Configurator;
+import picocli.CommandLine;
+
+@Slf4j
+@CommandLine.Command(
+        name = "mkvaudiosubtitlechanger",
+        usageHelpAutoWidth = true,
+        customSynopsis = {
+                "mkvaudiosubtitlechanger [-a <attributeConfig> [...<attributeConfig>]] [-s] <libraryPath>",
+                "Example: mkvaudiosubtitlechanger -a eng:eng eng:ger -s /mnt/media/",
+                ""
+        },
+        requiredOptionMarker = '*',
+        sortOptions = false,
+        mixinStandardHelpOptions = true,
+        versionProvider = ProjectUtil.class
+)
+public class CommandRunner implements Runnable {
+    @Getter
+    @CommandLine.ArgGroup(exclusive = false)
+    private InputConfig config;
+
+    @Override
+    public void run() {
+        if (config.isDebug()) {
+            Configurator.setRootLevel(Level.DEBUG);
+        }
+
+        if (config.isSafeMode()) {
+            log.info("Safemode active. No files will be changed!");
+            System.out.println("Safemode active. No files will be changed!");
+        }
+
+        LastExecutionHandler lastExecutionHandler = config.isOnlyNewFiles() ? new LastExecutionHandler(getApplicationHome()) : null;
+        FileFilter fileFilter = new FileFilter(config.getExcluded(), config.getIncludePattern(), config.getFilterDate(), lastExecutionHandler);
+        FileProcessor fileProcessor = new CachedFileProcessor(new MkvFileProcessor(config.getMkvToolNix(), fileFilter));
+        AttributeChangeProcessor attributeChangeProcessor = new AttributeChangeProcessor(config.getPreferredSubtitles().toArray(new String[0]), config.getForcedKeywords(), config.getCommentaryKeywords(), config.getHearingImpaired());
+
+        AttributeUpdater kernel = config.getCoherent() != null
+                ? new CoherentAttributeUpdater(config, fileProcessor, attributeChangeProcessor, lastExecutionHandler)
+                : new SingleFileAttributeUpdater(config, fileProcessor, attributeChangeProcessor, lastExecutionHandler);
+        kernel.execute();
+    }
+
+    public String getApplicationHome() {
+        LoggerContext context = (LoggerContext) LogManager.getContext(false);
+        Configuration config = context.getConfiguration();
+
+        for (org.apache.logging.log4j.core.Appender appender : config.getAppenders().values()) {
+            if (appender instanceof RollingFileAppender rollingFileAppender) {
+                String fileName = rollingFileAppender.getFileName();
+                return new java.io.File(fileName).getParentFile().getParent();
+            }
+        }
+
+        log.error("Could not load log4j2 path info");
+        System.out.println("Could not load log4j2 path info");
+        System.exit(1);
+        return null;
+    }
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/FileFilter.java

@@ -0,0 +1,86 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.ResultStatistic;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.attribute.BasicFileAttributes;
+import java.time.Instant;
+import java.util.*;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+@Slf4j
+@RequiredArgsConstructor
+public class FileFilter {
+    private final Set<String> excluded;
+    private final Pattern includePattern;
+    private final Instant filterDate;
+    private final LastExecutionHandler lastExecutionHandler;
+
+    private final String EXTENSION_GROUP = "extension";
+    private final Pattern extensionPattern = Pattern.compile(String.format(".*(?<%s>\\..*)", EXTENSION_GROUP));
+
+    public boolean accept(File pathName, Set<String> fileExtensions) {
+        // Ignore files irrelevant for statistics
+        if (!hasProperFileExtension(pathName, new HashSet<>(fileExtensions))) {
+            log.debug("Ignored {}", pathName);
+            return false;
+        }
+
+        if (!hasMatchingPattern(pathName)
+                || isExcluded(pathName, new HashSet<>(excluded))
+                || lastExecutionHandler != null && !isNewer(pathName, lastExecutionHandler.get(pathName.getAbsolutePath()))
+                || !isNewer(pathName, filterDate)) {
+            log.debug("Excluded {}", pathName);
+            ResultStatistic.getInstance().excluded();
+            return false;
+        }
+
+        return true;
+    }
+
+    private boolean hasProperFileExtension(File pathName, Set<String> fileExtensions) {
+        Matcher matcher = extensionPattern.matcher(pathName.getName());
+        return matcher.find() && fileExtensions.contains(matcher.group(EXTENSION_GROUP));
+    }
+
+    private boolean hasMatchingPattern(File pathName) {
+        return includePattern.matcher(pathName.getName()).matches();
+    }
+
+    private boolean isNewer(File pathName, Instant date) {
+        if (date == null) return true;
+        try {
+            BasicFileAttributes attributes = Files.readAttributes(pathName.toPath(), BasicFileAttributes.class);
+            return attributes.creationTime().toInstant().isAfter(date)
+                    || attributes.lastModifiedTime().toInstant().isAfter(date);
+        } catch (IOException e) {
+            log.warn("File attributes could not be read", e);
+        }
+        return true;
+    }
+
+    private boolean isExcluded(File pathName, Set<String> excludedDirs) {
+        if (excludedDirs.contains(pathName.getPath())) return true;
+
+        String[] pathSplit = pathName.getPath().split("/");
+        for (String excludedDir : excludedDirs) {
+            String[] excludeSplit = excludedDir.split("/");
+            if (excludeSplit.length > pathSplit.length) continue;
+            boolean matchingPaths = true;
+            for (int i = 0; i < excludeSplit.length; i++) {
+                if (!excludeSplit[i].equals(pathSplit[i])) {
+                       matchingPaths = false;
+                       break;
+                }
+            }
+            if (matchingPaths) return true;
+        }
+
+        return false;
+    }
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/LastExecutionHandler.java

@@ -0,0 +1,56 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl;
+
+import lombok.extern.slf4j.Slf4j;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.time.Instant;
+import java.util.Properties;
+
+@Slf4j
+public class LastExecutionHandler {
+    private static final String FILE_NAME = "last-execution.properties";
+    private final File file;
+    private final Properties lastFileExecution;
+
+    public LastExecutionHandler(String path) {
+        file = new File(path + "/" +  FILE_NAME);
+        lastFileExecution = loadLastFileExecution(file);
+    }
+
+    public Properties loadLastFileExecution(File file) {
+        Properties properties = new Properties();
+        try (FileInputStream in = new FileInputStream(file)) {
+            properties.load(in);
+        } catch (IOException e) {
+            log.info("Couldn't find or read {}", file.getPath(), e);
+        }
+        return properties;
+    }
+
+    public Instant get(String path) {
+        if (!lastFileExecution.containsKey(path)) return null;
+        return Instant.parse(lastFileExecution.getProperty(path));
+    }
+
+    public void update(String path) {
+        update(path, Instant.now());
+    }
+
+    public void update(String path, Instant execution) {
+        if (lastFileExecution == null) return;
+        lastFileExecution.put(path, execution.toString());
+    }
+
+    public void persist() {
+        try (FileOutputStream out = new FileOutputStream(file)) {
+            lastFileExecution.store(out, "MKVAudioSubtitleChanger - Last file execution");
+        } catch (IOException e) {
+            log.warn("Persisting last file execution dates failed", e);
+        }
+    }
+}
+
+

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/SubtitleTrackComparator.java

@@ -0,0 +1,51 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.TrackAttributes;
+import org.apache.logging.log4j.util.Strings;
+
+import java.util.Collection;
+import java.util.Comparator;
+import java.util.HashSet;
+import java.util.Set;
+
+public class SubtitleTrackComparator implements Comparator<TrackAttributes> {
+    private final Set<String> preferredSubtitles;
+    private final Set<String> hearingImpairedKeywords;
+
+    public SubtitleTrackComparator(Collection<String> preferredSubtitles, Collection<String> hearingImpairedKeywords) {
+        this.preferredSubtitles = new HashSet<>(preferredSubtitles.stream().map(String::toLowerCase).toList());
+        this.hearingImpairedKeywords = new HashSet<>(hearingImpairedKeywords.stream().map(String::toLowerCase).toList());
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public int compare(TrackAttributes track1, TrackAttributes track2) {
+        int result = 0;
+
+        String track1Name = Strings.isNotBlank(track1.trackName()) ? track1.trackName().toLowerCase() : "";
+        String track2Name = Strings.isNotBlank(track2.trackName()) ? track2.trackName().toLowerCase() : "";
+
+        if (preferredSubtitles.contains(track1Name)) result++;
+        else for (String keyword: preferredSubtitles) if (track1Name.contains(keyword)) result++;
+
+        if (preferredSubtitles.contains(track2Name)) result--;
+        else for (String keyword: preferredSubtitles) if (track2Name.contains(keyword)) result--;
+
+
+        if (track1.hearingImpaired()) result--;
+        else if (hearingImpairedKeywords.contains(track1Name)) result--;
+        else for (String keyword: hearingImpairedKeywords) if (track1Name.contains(keyword)) result--;
+        if (track2.hearingImpaired()) result++;
+        else if (hearingImpairedKeywords.contains(track2Name)) result++;
+        else for (String keyword: hearingImpairedKeywords) if (track2Name.contains(keyword)) result++;
+
+        if (result == 0) {
+            if (track1.defaultt()) result++;
+            if (track2.defaultt()) result--;
+        }
+
+        return result;
+    }
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/converter/AttributeConfigConverter.java

@@ -0,0 +1,47 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.converter;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.AttributeConfig;
+import picocli.CommandLine;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import static at.pcgamingfreaks.mkvaudiosubtitlechanger.util.LanguageValidatorUtil.isLanguageValid;
+
+public class AttributeConfigConverter implements CommandLine.ITypeConverter<AttributeConfig> {
+    private static final String AUDIO_GROUP = "audio";
+    private static final String SUB_GROUP = "sub";
+    private static final Pattern PATTERN = Pattern.compile(String.format("^(?<%s>.{3}):(?<%s>.{3})$", AUDIO_GROUP, SUB_GROUP));
+
+    /**
+     * Converts the input string into an AttributeConfig object.
+     *
+     * @param s The input string containing audio and subtitle language configuration in format "audioLang:subtitleLang"
+     * @return An AttributeConfig object representing the parsed configuration
+     * @throws CommandLine.TypeConversionException if the input string is invalid or contains invalid language codes
+     */
+    @Override
+    public AttributeConfig convert(String s) {
+        Matcher matcher =  PATTERN.matcher(s);
+
+        if (!matcher.find()) throw new CommandLine.TypeConversionException("Invalid Attribute config: " + s);
+
+        return validateResult(new AttributeConfig(matcher.group(AUDIO_GROUP), matcher.group(SUB_GROUP)));
+    }
+
+    /**
+     * Validates that both language codes in the {@link AttributeConfig} object are valid.
+     *
+     * @param attr {@link AttributeConfig} object to validate
+     * @throws CommandLine.TypeConversionException if either language code is invalid
+     * @return valid {@link AttributeConfig}
+     */
+    private static AttributeConfig validateResult(AttributeConfig attr) {
+        if (!isLanguageValid(attr.getAudioLang()))
+            throw new CommandLine.TypeConversionException("Audio language invalid: " + attr.getAudioLang());
+        if (!isLanguageValid(attr.getSubLang()))
+            throw new CommandLine.TypeConversionException("Subtitle language invalid: " + attr.getSubLang());
+
+        return attr;
+    }
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/processors/AttributeChangeProcessor.java

@@ -0,0 +1,144 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.processors;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.SubtitleTrackComparator;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.*;
+
+import java.util.*;
+import java.util.stream.Stream;
+
+public class AttributeChangeProcessor {
+    private final SubtitleTrackComparator subtitleTrackComparator;
+    private final Set<String> commentaryKeywords;
+    private final Set<String> hearingImpairedKeywords;
+    private final Set<String> forcedKeywords;
+
+    public AttributeChangeProcessor(String[] preferredSubtitles, Set<String> forcedKeywords, Set<String> commentaryKeywords, Set<String> hearingImpairedKeywords) {
+        this.subtitleTrackComparator = new SubtitleTrackComparator(Arrays.stream(preferredSubtitles).toList(), hearingImpairedKeywords);
+        this.commentaryKeywords = commentaryKeywords;
+        this.hearingImpairedKeywords = hearingImpairedKeywords;
+        this.forcedKeywords = forcedKeywords;
+    }
+
+    /**
+     * Looks for default matches and applies them if found.
+     */
+    public void findAndApplyDefaultMatch(FileInfo fileInfo, AttributeConfig... configs) {
+        Map<String, List<TrackAttributes>> audiosByLanguage = new HashMap<>(fileInfo.getTracks().size());
+        Map<String, List<TrackAttributes>> subsByLanguage = new HashMap<>(fileInfo.getTracks().size());
+        getPossibleDefaults(fileInfo.getTracks()).forEach(track -> {
+            if (TrackType.AUDIO.equals(track.type()))
+                audiosByLanguage.computeIfAbsent(track.language(), (k) -> new ArrayList<>()).add(track);
+            else if (TrackType.SUBTITLES.equals(track.type()))
+                subsByLanguage.computeIfAbsent(track.language(), (k) -> new ArrayList<>()).add(track);
+        });
+
+        for (AttributeConfig config : configs) {
+            if (("OFF".equals(config.getAudioLang()) || audiosByLanguage.containsKey(config.getAudioLang()))
+                    && ("OFF".equals(config.getSubLang()) || subsByLanguage.containsKey(config.getSubLang()))) {
+                fileInfo.setMatchedConfig(config);
+                break;
+            }
+        }
+
+        if (fileInfo.getMatchedConfig() == null) return;
+
+        AttributeConfig match = fileInfo.getMatchedConfig();
+        removeExistingDefaults(fileInfo);
+        if (!"OFF".equals(match.getAudioLang())) applyNewDefault(fileInfo, audiosByLanguage.get(fileInfo.getMatchedConfig().getAudioLang()).get(0));
+        if (!"OFF".equals(match.getSubLang())) applyNewDefault(fileInfo, subsByLanguage.get(fileInfo.getMatchedConfig().getSubLang()).stream().max(subtitleTrackComparator).get());
+    }
+
+    /**
+     * If match with xxx:OFF was found forced track in audio language is applied as default.
+     * Forced track detection takes changes of {@link AttributeChangeProcessor#findAndApplyForcedTracks} into consideration.
+     */
+    public void applyForcedAsDefault(FileInfo fileInfo) {
+        AttributeConfig c = fileInfo.getMatchedConfig();
+        if (c == null) return;
+        if (!"OFF".equals(c.getAudioLang()) && "OFF".equals(c.getSubLang())) {
+            getForcedTracks(fileInfo)
+                    .filter(track -> c.getAudioLang().equals(track.language()))
+                    .findFirst()
+                    .ifPresent(track -> applyNewDefault(fileInfo, track));
+        }
+    }
+
+    private Stream<TrackAttributes> getPossibleDefaults(List<TrackAttributes> tracks) {
+        Stream<TrackAttributes> attributes = tracks.stream();
+
+        return attributes
+                .filter(attr -> !attr.commentary())
+                .filter(attr -> {
+                    if (attr.trackName() == null) return true;
+                    return commentaryKeywords.stream().noneMatch(keyword -> keyword.compareToIgnoreCase(attr.trackName()) == 0);
+                })
+                .filter(attr -> !attr.forced())
+                .filter(attr -> {
+                    if (attr.trackName() == null) return true;
+                    return forcedKeywords.stream().noneMatch(keyword -> keyword.compareToIgnoreCase(attr.trackName()) == 0);
+                });
+    }
+
+    private void removeExistingDefaults(FileInfo fileInfo) {
+        fileInfo.getTracks().stream()
+                .filter(TrackAttributes::defaultt)
+                .forEach(attr -> fileInfo.getChanges().getDefaultTrack().put(attr, false));
+    }
+
+    private void applyNewDefault(FileInfo fileInfo, TrackAttributes targetDefault) {
+        Map<TrackAttributes, Boolean> changes = fileInfo.getChanges().getDefaultTrack();
+        if (changes.containsKey(targetDefault)) {
+            changes.remove(targetDefault);
+        } else {
+            changes.put(targetDefault, true);
+        }
+    }
+
+    public void findAndApplyForcedTracks(FileInfo fileInfo, boolean overwrite) {
+        Stream<TrackAttributes> forcedTracks = getForcedTracks(fileInfo);
+
+        if (overwrite) {
+            fileInfo.getTracks().stream().filter(TrackAttributes::forced).forEach(attr -> {
+                fileInfo.getChanges().getForcedTrack().put(attr, false);
+            });
+        } else {
+            forcedTracks = forcedTracks.filter(attr -> !attr.forced());
+        }
+
+        forcedTracks.forEach(attr -> {
+            fileInfo.getChanges().getForcedTrack().put(attr, true);
+        });
+    }
+
+    private Stream<TrackAttributes> getForcedTracks(FileInfo fileInfo) {
+        return fileInfo.getTracks().stream()
+                .filter(track -> {
+                    if (fileInfo.getChanges().getForcedTrack().containsKey(track)) return fileInfo.getChanges().getForcedTrack().get(track);
+                    return matchesForcedKeywords(track) || track.forced();
+                });
+    }
+
+    private boolean matchesForcedKeywords(TrackAttributes track) {
+        return track.trackName() != null && forcedKeywords.stream().anyMatch(keyword -> track.trackName().toLowerCase().contains(keyword.toLowerCase(Locale.ROOT)));
+    }
+
+    public void findAndApplyCommentaryTracks(FileInfo fileInfo) {
+        fileInfo.getTracks().stream()
+                .filter(track -> !track.commentary())
+                .filter(track -> track.trackName() != null)
+                .filter(track -> commentaryKeywords.stream().anyMatch(keyword -> track.trackName().toLowerCase().contains(keyword.toLowerCase(Locale.ROOT))))
+                .forEach(attr -> {
+                    fileInfo.getChanges().getCommentaryTrack().put(attr, true);
+                });
+    }
+
+    public void findAndApplyHearingImpairedTracks(FileInfo fileInfo) {
+        fileInfo.getTracks().stream()
+                .filter(track -> !track.hearingImpaired())
+                .filter(track -> track.trackName() != null)
+                .filter(track -> hearingImpairedKeywords.stream().anyMatch(keyword -> track.trackName().toLowerCase().contains(keyword.toLowerCase(Locale.ROOT))))
+                .forEach(attr -> {
+                    fileInfo.getChanges().getHearingImpairedTrack().put(attr, true);
+                });
+    }
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/processors/AttributeUpdater.java

@@ -0,0 +1,145 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.processors;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.exceptions.MkvToolNixException;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.LastExecutionHandler;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.FileInfo;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.InputConfig;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.ResultStatistic;
+import lombok.SneakyThrows;
+import lombok.extern.slf4j.Slf4j;
+import me.tongfei.progressbar.ProgressBar;
+import me.tongfei.progressbar.ProgressBarBuilder;
+import me.tongfei.progressbar.ProgressBarStyle;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
+
+@Slf4j
+public abstract class AttributeUpdater {
+
+    protected final InputConfig config;
+    protected final FileProcessor fileProcessor;
+    protected final AttributeChangeProcessor attributeChangeProcessor;
+    protected final LastExecutionHandler lastExecutionHandler;
+    protected final ResultStatistic statistic = ResultStatistic.getInstance();
+
+    private final ExecutorService executor;
+
+    public AttributeUpdater(InputConfig config, FileProcessor fileProcessor, AttributeChangeProcessor attributeChangeProcessor, LastExecutionHandler lastExecutionHandler) {
+        this.config = config;
+        this.fileProcessor = fileProcessor;
+        this.attributeChangeProcessor = attributeChangeProcessor;
+        this.lastExecutionHandler = lastExecutionHandler;
+        this.executor = Executors.newFixedThreadPool(config.getThreads());
+    }
+
+    protected ProgressBarBuilder pbBuilder() {
+        return new ProgressBarBuilder()
+                .setStyle(ProgressBarStyle.ASCII)
+                .setUpdateIntervalMillis(250)
+                .setMaxRenderedLength(75);
+    }
+
+    @SneakyThrows
+    public void execute() {
+        statistic.startTimer();
+
+        try (ProgressBar progressBar = pbBuilder().build()) {
+            List<File> files = getFiles();
+
+            progressBar.maxHint(files.size());
+            progressBar.refresh();
+
+            files.forEach(file -> executor.submit(() -> {
+                process(file);
+                progressBar.step();
+            }));
+
+            executor.shutdown();
+            executor.awaitTermination(1, TimeUnit.DAYS);
+        }
+
+        if (lastExecutionHandler != null) lastExecutionHandler.persist();
+
+        statistic.stopTimer();
+        statistic.print();
+    }
+
+    protected abstract List<File> getFiles();
+
+    /**
+     * Start of the file updating process.
+     * This method is called by the executor and its contents are executed in parallel.
+     *
+     * @param file file or directory to update
+     */
+    protected abstract void process(File file);
+
+    /**
+     * Persist file changes.
+     *
+     * @param fileInfo contains information about file and desired configuration.
+     */
+    protected void checkStatusAndUpdate(FileInfo fileInfo) {
+        if (lastExecutionHandler != null) lastExecutionHandler.update(fileInfo.getFile().getAbsolutePath());
+        if (!fileInfo.getChanges().isEmpty()) {
+            statistic.changePlanned();
+
+            if (config.isSafeMode()) {
+                log.info("Planned changes [{}] for {}", changeLog(fileInfo), fileInfo.getFile().getPath());
+                return;
+            }
+
+            try {
+                log.info("Committing changes [{}] to {}", changeLog(fileInfo), fileInfo.getFile().getPath());
+                fileProcessor.update(fileInfo);
+                statistic.changeSuccessful();
+            } catch (IOException | MkvToolNixException e) {
+                statistic.changeFailed();
+                log.warn("Couldn't commit changes [{}] to {}", changeLog(fileInfo), fileInfo.getFile().getPath(), e);
+            }
+        } else if (fileInfo.getChanges().isEmpty()) {
+            statistic.unchanged();
+        } else {
+            statistic.unknownFailed();
+        }
+    }
+
+    private String changeLog(FileInfo fileInfo) {
+        List<String> changes = new ArrayList<>();
+        if (fileInfo.getMatchedConfig() != null) changes.add("defaults " + fileInfo.getMatchedConfig().toStringShort());
+        if (!fileInfo.getChanges().getForcedTrack().isEmpty()) changes.add("forced tags");
+        if (!fileInfo.getChanges().getCommentaryTrack().isEmpty()) changes.add("commentary tags");
+        if (!fileInfo.getChanges().getHearingImpairedTrack().isEmpty()) changes.add("hearing impaired tags");
+        return String.join(", ", changes);
+    }
+
+    // should this be here?
+//    protected void writeLastExecutionDate() {
+//        if (config.isSafeMode()) {
+//            return;
+//        }
+//
+//        try {
+//            String filePath = AppDirsFactory.getInstance().getUserConfigDir(ProjectUtil.getProjectName(), null, null);
+//
+//            File configDir = Path.of(filePath).toFile();
+//            if (!configDir.exists()) configDir.mkdirs();
+//
+//            File lastExecutionFile = Path.of(filePath + "/last-execution.yml").toFile();
+//            if (!lastExecutionFile.exists()) lastExecutionFile.createNewFile();
+//
+//            YAML yaml = new YAML(lastExecutionFile);
+//            yaml.set(config.getNormalizedLibraryPath(), DateUtils.convert(new Date()));
+//            yaml.save(lastExecutionFile);
+//        } catch (IOException | YamlInvalidContentException e) {
+//            log.error("last-execution.yml could not be created or read.", e);
+//        }
+//    }
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/processors/CachedFileProcessor.java

@@ -0,0 +1,42 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.processors;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.exceptions.MkvToolNixException;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.Cache;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.FileInfo;
+import org.apache.commons.lang3.tuple.Pair;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.List;
+
+public class CachedFileProcessor implements FileProcessor {
+    private final FileProcessor processor;
+    Cache<String, List<File>> fileCache = new Cache<>();
+    Cache<Pair<String, Integer>, List<File>> directoryCache = new Cache<>();
+    Cache<File, FileInfo> attributeCache = new Cache<>();
+
+    public CachedFileProcessor(FileProcessor processor) {
+        this.processor = processor;
+    }
+
+    @Override
+    public List<File> loadFiles(String path) {
+        return fileCache.retrieve(path, processor::loadFiles);
+    }
+
+    @Override
+    public List<File> loadDirectory(String path, int depth) {
+        return directoryCache.retrieve(Pair.of(path, depth), key -> processor.loadDirectory(key.getLeft(), key.getRight()));
+    }
+
+    @Override
+    public FileInfo readAttributes(File file) {
+        return attributeCache.retrieve(file, processor::readAttributes);
+    }
+
+    @Override
+    public void update(FileInfo fileInfo) throws IOException, MkvToolNixException {
+        processor.update(fileInfo);
+    }
+
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/processors/CoherentAttributeUpdater.java

@@ -0,0 +1,109 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.processors;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.LastExecutionHandler;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.FileInfo;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.InputConfig;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.AttributeConfig;
+import lombok.extern.slf4j.Slf4j;
+import me.tongfei.progressbar.ProgressBarBuilder;
+
+import java.io.File;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+@Slf4j
+public class CoherentAttributeUpdater extends SingleFileAttributeUpdater {
+
+    public CoherentAttributeUpdater(InputConfig config, FileProcessor processor, AttributeChangeProcessor attributeChangeProcessor, LastExecutionHandler lastExecutionHandler) {
+        super(config, processor, attributeChangeProcessor, lastExecutionHandler);
+    }
+
+    @Override
+    protected ProgressBarBuilder pbBuilder() {
+        return super.pbBuilder()
+                .setUnit(" directories", 1);
+    }
+
+    protected List<File> getFiles() {
+        return Arrays.stream(config.getLibraryPath())
+                .flatMap(path -> fileProcessor.loadDirectory(path.getPath(), config.getCoherent()).stream())
+                .toList();
+    }
+
+    @Override
+    public void process(File rootDir) {
+        if (rootDir.isFile()) {
+            super.process(rootDir);
+            return;
+        }
+
+        List<File> files = fileProcessor.loadFiles(rootDir.getPath());
+        Set<FileInfo> matchedFiles = new HashSet<>(files.size() * 2);
+
+        for (AttributeConfig config: config.getAttributeConfig()) {
+            AttributeConfig matchedConfig = findMatch(config, matchedFiles, files);
+
+            if (matchedConfig == null) continue;
+            if (matchedFiles.size() != files.size()) {
+                log.warn("Skip applying changes: Found coherent match, but matched count is different than file count (matched: {}, files: {}, dir: {})",
+                        matchedFiles.size(), files.size(), rootDir.getPath());
+            }
+
+            log.info("Found coherent match {} for {}", matchedConfig.toStringShort(), rootDir.getPath());
+            matchedFiles.forEach(fileInfo -> {
+                attributeChangeProcessor.findAndApplyForcedTracks(fileInfo, this.config.isOverwriteForced());
+                attributeChangeProcessor.applyForcedAsDefault(fileInfo);
+                attributeChangeProcessor.findAndApplyCommentaryTracks(fileInfo);
+                attributeChangeProcessor.findAndApplyHearingImpairedTracks(fileInfo);
+
+                checkStatusAndUpdate(fileInfo);
+            });
+            return; // match was found and process must be stopped
+        }
+
+        // Couldn't match any config at current level. Resetting changes and trying one level deeper
+        matchedFiles.forEach(fileInfo -> {
+            fileInfo.resetChanges();
+            fileInfo.setMatchedConfig(null);
+        });
+
+        if (config.isForceCoherent()) {
+            log.info("No coherent match found, skipping {}", rootDir.getPath());
+            statistic.increaseUnchangedBy(files.size());
+            return;
+        }
+
+        log.info("No coherent match found, attempting to find coherent match in child directories of {}", rootDir.getPath());
+        for (File dir: fileProcessor.loadDirectory(rootDir.getPath(), 1)) this.process(dir);
+    }
+
+    private AttributeConfig findMatch(AttributeConfig config, Set<FileInfo> matchedFiles, List<File> files) {
+        AttributeConfig matchedConfig = null;
+        matchedFiles.clear();
+
+        for (File file: files)  {
+            FileInfo fileInfo = fileProcessor.readAttributes(file);
+            fileInfo.resetChanges();
+            fileInfo.setMatchedConfig(null);
+
+            if (fileInfo.getTracks().isEmpty()) {
+                log.warn("No attributes found for {}", file);
+                statistic.unknownFailed();
+                break;
+            }
+
+            attributeChangeProcessor.findAndApplyDefaultMatch(fileInfo, config);
+
+            if (matchedConfig == null) matchedConfig = fileInfo.getMatchedConfig();
+            if (matchedConfig == null || matchedConfig != fileInfo.getMatchedConfig()) {
+                matchedConfig = null;
+                break;
+            }
+            matchedFiles.add(fileInfo);
+        }
+
+        return matchedConfig;
+    }
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/processors/FileProcessor.java

@@ -0,0 +1,51 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.processors;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.exceptions.MkvToolNixException;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.FileInfo;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.List;
+
+public interface FileProcessor {
+
+    /**
+     * @param path leads to one file directly or a directory which will be loaded recursively
+     * @return list of all files within the directory
+     */
+    List<File> loadFiles(String path);
+
+    /**
+     * Load only directories and files at depth, ignoring everything between root dir and dir at depth.
+     * E.g. with file structure /base/depth1/depth2/depth3.file
+     *   - with depth 1: return /base/depth1/
+     *   - with depth 2: returns /base/depth1/depth2/
+     *
+     * @param path directory which will be loaded recursively until depth
+     * @param depth limit directory crawling
+     * @return list of directory at depth
+     */
+    List<File> loadDirectory(String path, int depth);
+
+    /**
+     * Load track information from file.
+     *
+     * @param file Takes the file from which the attributes will be returned
+     * @return list of all important attributes
+     */
+    FileInfo readAttributes(File file);
+
+    /**
+     * Update the file.
+     *
+     * @param fileInfo information used to update file
+     * @throws IOException         when error occurs accessing file retrieving information
+     * @throws MkvToolNixException when error occurs while sending query to mkvpropedit
+     */
+    void update(FileInfo fileInfo) throws IOException, MkvToolNixException;
+
+    default InputStream run(String[] command) throws IOException {
+        return Runtime.getRuntime().exec(command).getInputStream();
+    }
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/processors/MkvFileProcessor.java

@@ -0,0 +1,176 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.processors;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.exceptions.MkvToolNixException;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.FileFilter;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.*;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.io.IOUtils;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.*;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import static at.pcgamingfreaks.mkvaudiosubtitlechanger.util.FileUtils.getPathFor;
+
+@Slf4j
+@RequiredArgsConstructor
+public class MkvFileProcessor implements FileProcessor {
+    protected final File mkvToolNixInstallation;
+    protected final FileFilter fileFilter;
+
+    private final ObjectMapper mapper = new ObjectMapper();
+
+    private static final Set<String> fileExtensions = new HashSet<>(Set.of(".mkv", ".mka", ".mks", ".mk3d"));
+
+    private static final String DEFAULT_TRACK = "--edit track:%s --set flag-default=%s";
+    private static final String FORCED_TRACK = "--edit track:%s --set flag-forced=%s";
+    private static final String COMMENTARY_TRACK = "--edit track:%s --set flag-commentary=%s";
+    private static final String HEARING_IMPAIRED_TRACK = "--edit track:%s --set flag-hearing-impaired=%s";
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public List<File> loadFiles(String path) {
+        try (Stream<Path> paths = Files.walk(Paths.get(path))) {
+            return paths
+                    .filter(Files::isRegularFile)
+                    .map(Path::toFile)
+                    .filter(file -> fileFilter.accept(file, fileExtensions))
+                    .collect(Collectors.toList());
+        } catch (IOException e) {
+            log.error("Couldn't find file or directory!", e);
+            return new ArrayList<>();
+        }
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    // does this load /arst/arst & /arst ?
+    public List<File> loadDirectory(String path, int depth) {
+        File rootDir = Path.of(path).toFile();
+        if (!rootDir.exists()) {
+            log.error("Couldn't find file or directory!");
+            return new ArrayList<>();
+        }
+
+        List<File> result = new ArrayList<>();
+        exploreDirectory(rootDir, 0, depth, result);
+        return result;
+    }
+
+    /**
+     * Recursively explores directories to find items at the target depth.
+     *
+     * @param currentDir   The current directory being explored
+     * @param currentDepth The current depth level
+     * @param targetDepth  The target depth to collect files
+     * @param result       The collection to store found files
+     */
+    private static void exploreDirectory(File currentDir, int currentDepth, int targetDepth, List<File> result) {
+        if (currentDepth == targetDepth) {
+            result.add(currentDir);
+            return;
+        }
+
+        // Get all files and directories in the current directory
+        File[] files = currentDir.listFiles();
+        if (files == null) return;
+
+        // Recursively explore subdirectories
+        for (File file : files) {
+            if (file.isDirectory()) {
+                exploreDirectory(file, currentDepth + 1, targetDepth, result);
+            } else if (currentDepth + 1 == targetDepth) {
+                // If files at the next level would be at the target depth, include them
+                result.add(file);
+            }
+        }
+    }
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public FileInfo readAttributes(File file) {
+        FileInfo fileInfo = new FileInfo(file);
+        try {
+            String[] command = new String[]{
+                    getPathFor(mkvToolNixInstallation, MkvToolNix.MKV_MERGE).getAbsolutePath(),
+                    "--identify",
+                    "--identification-format",
+                    "json",
+                    file.getAbsolutePath()
+            };
+
+            log.debug("Executing: {}", String.join(" ", command));
+            InputStream inputStream = run(command);
+            Map<String, Object> jsonMap = mapper.readValue(inputStream, Map.class);
+            List<Map<String, Object>> tracks = (List<Map<String, Object>>) jsonMap.get("tracks");
+            if (tracks != null) {
+                for (Map<String, Object> attribute : tracks) {
+                    if (!"video".equals(attribute.get("type"))) {
+                        Map<String, Object> properties = (Map<String, Object>) attribute.get("properties");
+                        // mkvpropedit takes in the n-th track, based on the order of mkvmerge --idenfity
+                        fileInfo.addTrack(new TrackAttributes(
+                                (int) properties.get("number"),
+                                (String) properties.get("language"),
+                                (String) properties.get("track_name"),
+                                (Boolean) properties.getOrDefault("default_track", false),
+                                (Boolean) properties.getOrDefault("forced_track", false),
+                                (Boolean) properties.getOrDefault("commentary_track", false),
+                                (Boolean) properties.getOrDefault("flag_hearing_impaired", false),
+                                TrackType.valueOf(((String) attribute.get("type")).toUpperCase(Locale.ENGLISH))));
+                    }
+                }
+            } else {
+                log.warn("Couldn't retrieve information of {}", file.getAbsolutePath());
+            }
+
+            log.debug("File attributes of '{}': {}", file.getAbsolutePath(), fileInfo.getTracks());
+        } catch (IOException e) {
+            log.error("File could not be found or loaded: ", e);
+            System.out.println("File could not be found or loaded: " + file.getAbsolutePath());
+        }
+        return fileInfo;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void update(FileInfo fileInfo) throws IOException, MkvToolNixException {
+        String[] command = getUpdateCommand(fileInfo);
+        log.debug("Executing '{}'", String.join(" ", command));
+        InputStream inputstream = run(command);
+        String output = IOUtils.toString(new InputStreamReader(inputstream));
+        log.debug("Result: {}", output.replaceAll("\\n", " '"));
+        if (output.contains("Error")) throw new MkvToolNixException(output);
+    }
+
+    private String[] getUpdateCommand(FileInfo fileInfo)  {
+        List<String> command = new ArrayList<>();
+        command.add(getPathFor(mkvToolNixInstallation, MkvToolNix.MKV_PROP_EDIT).getAbsolutePath());
+        command.add(String.format(fileInfo.getFile().getAbsolutePath()));
+
+        PlannedChange changes = fileInfo.getChanges();
+        changes.getDefaultTrack().forEach((key, value) -> command.addAll(format(DEFAULT_TRACK, key.id(), value ? 1 : 0)));
+        changes.getForcedTrack().forEach((key, value) -> command.addAll(format(FORCED_TRACK, key.id(), value ? 1 : 0)));
+        changes.getCommentaryTrack().forEach((key, value) -> command.addAll(format(COMMENTARY_TRACK, key.id(), value ? 1 : 0)));
+        changes.getHearingImpairedTrack().forEach((key, value) -> command.addAll(format(HEARING_IMPAIRED_TRACK, key.id(), value ? 1 : 0)));
+        return command.toArray(new String[0]);
+    }
+
+    private List<String> format(String format, Object... args) {
+        return Arrays.asList(String.format(format, args).split(" "));
+    }
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/processors/SingleFileAttributeUpdater.java

@@ -0,0 +1,51 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.processors;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.LastExecutionHandler;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.FileInfo;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.InputConfig;
+import lombok.extern.slf4j.Slf4j;
+import me.tongfei.progressbar.ProgressBarBuilder;
+
+import java.io.File;
+import java.util.Arrays;
+import java.util.List;
+
+@Slf4j
+public class SingleFileAttributeUpdater extends AttributeUpdater {
+
+    public SingleFileAttributeUpdater(InputConfig config, FileProcessor processor, AttributeChangeProcessor attributeChangeProcessor, LastExecutionHandler lastExecutionHandler) {
+        super(config, processor, attributeChangeProcessor, lastExecutionHandler);
+    }
+
+    @Override
+    protected ProgressBarBuilder pbBuilder() {
+        return super.pbBuilder()
+                .setUnit(" files", 1);
+    }
+
+    @Override
+    protected List<File> getFiles() {
+        return Arrays.stream(config.getLibraryPath())
+                .flatMap(path -> fileProcessor.loadFiles(path.getPath()).stream())
+                .toList();
+    }
+
+    @Override
+    public void process(File file) {
+        FileInfo fileInfo = fileProcessor.readAttributes(file);
+
+        if (fileInfo.getTracks().isEmpty()) {
+            log.warn("No attributes found for {}", file);
+            statistic.unknownFailed();
+            return;
+        }
+
+        attributeChangeProcessor.findAndApplyDefaultMatch(fileInfo, config.getAttributeConfig());
+        attributeChangeProcessor.findAndApplyForcedTracks(fileInfo, config.isOverwriteForced());
+        attributeChangeProcessor.applyForcedAsDefault(fileInfo);
+        attributeChangeProcessor.findAndApplyCommentaryTracks(fileInfo);
+        attributeChangeProcessor.findAndApplyHearingImpairedTracks(fileInfo);
+
+        checkStatusAndUpdate(fileInfo);
+    }
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/validation/ValidFile.java

@@ -0,0 +1,16 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.validation;
+
+import jakarta.validation.Constraint;
+import jakarta.validation.Payload;
+
+import java.lang.annotation.*;
+
+@Documented
+@Constraint(validatedBy = ValidFileValidator.class)
+@Target({ElementType.METHOD, ElementType.FIELD})
+@Retention(RetentionPolicy.RUNTIME)
+public @interface ValidFile {
+    String message() default "File does not exist";
+    Class<?>[] groups() default {};
+    Class<? extends Payload>[] payload() default {};
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/validation/ValidFileValidator.java

@@ -0,0 +1,27 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.validation;
+
+import jakarta.validation.ConstraintValidator;
+import jakarta.validation.ConstraintValidatorContext;
+import lombok.extern.slf4j.Slf4j;
+
+import java.io.File;
+import java.util.Arrays;
+
+@Slf4j
+public class ValidFileValidator implements ConstraintValidator<ValidFile, File[]> {
+    @Override
+    public void initialize(ValidFile constraintAnnotation) {
+    }
+
+    @Override
+    public boolean isValid(File[] files, ConstraintValidatorContext context) {
+        if (files == null || files.length == 0) return false;
+        for (File file: files) {
+            if (!file.exists()) {
+                log.error("{} does not exist", file.getPath());
+                return false;
+            }
+        }
+        return true;
+    }
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/validation/ValidMkvToolNix.java

@@ -0,0 +1,16 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.validation;
+
+import jakarta.validation.Constraint;
+import jakarta.validation.Payload;
+
+import java.lang.annotation.*;
+
+@Documented
+@Constraint(validatedBy = ValidMkvToolNixValidator.class)
+@Target({ElementType.METHOD, ElementType.FIELD})
+@Retention(RetentionPolicy.RUNTIME)
+public @interface ValidMkvToolNix {
+    String message() default "MkvToolNix does not exist";
+    Class<?>[] groups() default {};
+    Class<? extends Payload>[] payload() default {};
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/validation/ValidMkvToolNixValidator.java

@@ -0,0 +1,24 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.validation;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.MkvToolNix;
+import jakarta.validation.ConstraintValidator;
+import jakarta.validation.ConstraintValidatorContext;
+
+import java.io.File;
+
+import static at.pcgamingfreaks.mkvaudiosubtitlechanger.util.FileUtils.getPathFor;
+
+public class ValidMkvToolNixValidator implements ConstraintValidator<ValidMkvToolNix, File> {
+    @Override
+    public void initialize(ValidMkvToolNix constraintAnnotation) {
+    }
+
+    @Override
+    public boolean isValid(File file, ConstraintValidatorContext context) {
+        return file != null && file.exists()
+                && getPathFor(file, MkvToolNix.MKV_MERGE).exists()
+                && getPathFor(file, MkvToolNix.MKV_PROP_EDIT).exists();
+    }
+
+
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/validation/ValidationExecutionStrategy.java

@@ -0,0 +1,31 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.validation;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.CommandRunner;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.InputConfig;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.util.ValidationUtil;
+import jakarta.validation.ConstraintViolation;
+import jakarta.validation.Validator;
+import picocli.CommandLine;
+
+import java.util.Set;
+
+public class ValidationExecutionStrategy implements CommandLine.IExecutionStrategy {
+
+    public int execute(CommandLine.ParseResult parseResult) {
+        if (!parseResult.isVersionHelpRequested() && !parseResult.isUsageHelpRequested()) validate(parseResult.commandSpec());
+        return new CommandLine.RunLast().execute(parseResult);
+    }
+
+    private static void validate(CommandLine.Model.CommandSpec spec) {
+        Validator validator = ValidationUtil.getValidator();
+        Set<ConstraintViolation<InputConfig>> violations = validator.validate(((CommandRunner)spec.userObject()).getConfig());
+
+        if (!violations.isEmpty()) {
+            StringBuilder errors = new StringBuilder();
+            for (ConstraintViolation<InputConfig> violation : violations) {
+                errors.append(violation.getPropertyPath()).append(" ").append(violation.getMessage()).append("\n");
+            }
+            throw new CommandLine.ParameterException(spec.commandLine(), errors.toString());
+        }
+    }
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/intimpl/FileCollector.java

@@ -1,12 +0,0 @@
-package at.pcgamingfreaks.mkvaudiosubtitlechanger.intimpl;
-
-import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.FileAttribute;
-
-import java.io.File;
-import java.util.List;
-
-public interface FileCollector {
-    List<File> loadFiles(String path);
-
-    List<FileAttribute> loadAttributes(File file);
-}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/intimpl/MkvFileCollector.java

@@ -1,99 +0,0 @@
-package at.pcgamingfreaks.mkvaudiosubtitlechanger.intimpl;
-
-import at.pcgamingfreaks.mkvaudiosubtitlechanger.MKVToolProperties;
-import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.FileAttribute;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import lombok.extern.log4j.Log4j2;
-
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStream;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
-
-@Log4j2
-public class MkvFileCollector implements FileCollector {
-    private final ObjectMapper mapper = new ObjectMapper();
-
-    /**
-     * @param path Is entered path, which leads to one file directly or a directory which will be loaded recursive
-     * @return list of all files within the directory, if it's only a file, the file will be returned in a list
-     */
-    @Override
-    public List<File> loadFiles(String path) {
-        File file = new File(path);
-        if (file.isFile() && file.getAbsolutePath().endsWith(".mkv")) {
-            return new ArrayList<File>() {{
-                add(file);
-            }};
-        } else if (file.isDirectory()) {
-            try (Stream<Path> paths = Files.walk(Paths.get(path))) {
-                return paths
-                        .filter(Files::isRegularFile)
-                        .map(Path::toFile)
-                        .filter(f -> f.getAbsolutePath().endsWith(".mkv"))
-                        .collect(Collectors.toList());
-            } catch (IOException e) {
-                log.error("Couldn't find file or directory!", e);
-                return null;
-            }
-        } else {
-            return null;
-        }
-    }
-
-    /**
-     * @param file Takes the file from which the attributes will be returned
-     * @return list of all important attributes
-     */
-    @Override
-    public List<FileAttribute> loadAttributes(File file) {
-        Map<String, Object> jsonMap;
-        List<FileAttribute> fileAttributes = new ArrayList<>();
-        try {
-            String command = "";
-            if (System.getProperty("os.name").toLowerCase().contains("windows")) {
-                command = "\"" + MKVToolProperties.getInstance().getMkvmergePath() + "\"";
-            } else {
-                command = MKVToolProperties.getInstance().getMkvmergePath();
-            }
-            String[] array = new String[]{
-                    command,
-                    "--identify",
-                    "--identification-format",
-                    "json",
-                    file.getAbsoluteFile().toString()
-            };
-
-            InputStream inputStream = Runtime.getRuntime().exec(array).getInputStream();
-            jsonMap = mapper.readValue(inputStream, Map.class);
-            List<Map<String, Object>> tracks = (List<Map<String, Object>>) jsonMap.get("tracks");
-            if (tracks == null) {
-                log.warn("Couldn't retrieve information of {}", file.getAbsoluteFile().toString());
-                return new ArrayList<>();
-            }
-            for (Map<String, Object> attribute : tracks) {
-                if (!"video".equals(attribute.get("type"))) {
-                    Map<String, Object> properties = (Map<String, Object>) attribute.get("properties");
-                    fileAttributes.add(new FileAttribute(
-                            (int) properties.get("number"),
-                            (String) properties.get("language"),
-                            (String) properties.get("track_name"),
-                            (Boolean) properties.getOrDefault("default_track", false),
-                            (Boolean) properties.getOrDefault("forced_track", false),
-                            (String) attribute.get("type")));
-                }
-            }
-        } catch (IOException e) {
-            e.printStackTrace();
-            log.error("File could not be found or loaded!");
-        }
-        return fileAttributes;
-    }
-}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/AttributeConfig.java

@@ -0,0 +1,44 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.extern.slf4j.Slf4j;
+
+import java.util.Objects;
+
+@Slf4j
+@Getter
+@AllArgsConstructor
+public class AttributeConfig {
+    private final String audioLang;
+    private final String subLang;
+
+    public static AttributeConfig of(String audioLanguage, String subtitleLanguage)  {
+        return new AttributeConfig(audioLanguage, subtitleLanguage);
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        AttributeConfig that = (AttributeConfig) o;
+        return Objects.equals(audioLang, that.audioLang) && Objects.equals(subLang, that.subLang);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(audioLang, subLang);
+    }
+
+    public String toStringShort()  {
+        return audioLang + ":" + subLang;
+    }
+
+    @Override
+    public String toString() {
+        return "AttributeConfig{"
+                + "audioLanguage='" + audioLang + '\''
+                + ", subtitleLanguage='" + subLang + '\'' +
+                '}';
+    }
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/FileAttribute.java

@@ -1,57 +0,0 @@
-package at.pcgamingfreaks.mkvaudiosubtitlechanger.model;
-
-import lombok.Getter;
-import lombok.extern.log4j.Log4j2;
-
-import java.io.File;
-import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.util.List;
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
-
-@Log4j2
-@Getter
-public class FileAttribute {
-    private int id;
-    private String language;
-    private String trackName;
-    private boolean defaultTrack;
-    private boolean forcedTrack;
-    private String type;
-
-    public FileAttribute(int id, String language, String trackName, boolean defaultTrack, boolean forcedTrack, String type) {
-        this.id = id;
-        this.language = language;
-        this.trackName = trackName;
-        this.defaultTrack = defaultTrack;
-        this.forcedTrack = forcedTrack;
-        this.type = type;
-    }
-
-    public static boolean pathIsValid(String path) {
-        File file = new File(path);
-        if(file.isFile()){
-            return file.getAbsolutePath().endsWith(".mkv");
-        }
-        if(file.isDirectory()){
-            try(Stream<Path> paths = Files.walk(Paths.get(path))){
-                List<String> allPaths = paths
-                        .filter(Files::isRegularFile)
-                        .map(f -> f.toAbsolutePath().toString())
-                        .collect(Collectors.toList());
-                for(String filePath : allPaths){
-                    if(! filePath.endsWith(".mkv")){
-                        return false;
-                    }
-                }
-            }catch(IOException e){
-                log.error("Couldn't find file or directory!", e);
-            }
-            return true;
-        }
-        return false;
-    }
-}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/FileInfo.java

@@ -0,0 +1,56 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.model;
+
+import lombok.AccessLevel;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import lombok.Setter;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+
+@Getter
+@RequiredArgsConstructor
+public class FileInfo {
+    private final File file;
+
+    @Getter(AccessLevel.NONE)
+    private final List<TrackAttributes> tracks = new ArrayList<>();
+
+    @Getter(AccessLevel.NONE)
+    private final List<TrackAttributes> audioTracks = new ArrayList<>();
+    @Getter(AccessLevel.NONE)
+    private final List<TrackAttributes> subtitleTracks = new ArrayList<>();
+
+    private PlannedChange changes = new PlannedChange();
+    @Setter
+    private AttributeConfig matchedConfig;
+
+    public void addTrack(TrackAttributes track) {
+        tracks.add(track);
+        if (TrackType.AUDIO.equals(track.type())) audioTracks.add(track);
+        else if (TrackType.SUBTITLES.equals(track.type())) subtitleTracks.add(track);
+    }
+
+    public void addTracks(Collection<TrackAttributes> tracks) {
+        for (TrackAttributes track : tracks) addTrack(track);
+    }
+
+    public List<TrackAttributes> getTracks() {
+        return Collections.unmodifiableList(tracks);
+    }
+
+    public List<TrackAttributes> getAudioTracks() {
+        return Collections.unmodifiableList(audioTracks);
+    }
+
+    public List<TrackAttributes> getSubtitleTracks() {
+        return Collections.unmodifiableList(subtitleTracks);
+    }
+
+    public void resetChanges() {
+        changes = new PlannedChange();
+    }
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/InputConfig.java

@@ -0,0 +1,119 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.model;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.converter.AttributeConfigConverter;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.validation.ValidFile;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.validation.ValidMkvToolNix;
+import jakarta.validation.constraints.Min;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.SystemUtils;
+import picocli.CommandLine;
+
+import java.io.File;
+import java.time.Instant;
+import java.util.*;
+import java.util.regex.Pattern;
+import picocli.CommandLine.Option;
+
+@Slf4j
+@Getter
+@Setter
+@NoArgsConstructor
+@CommandLine.Command
+public class InputConfig implements CommandLine.IVersionProvider {
+
+    private File configPath;
+
+    @CommandLine.Spec
+    CommandLine.Model.CommandSpec spec;
+
+    @ValidFile(message = "does not exist")
+    @CommandLine.Parameters(description = "paths to library", arity = "1..*")
+    private File[] libraryPath;
+
+    @Option(names = {"-a", "--attribute-config"}, arity = "1..*", converter = AttributeConfigConverter.class,
+            description = "List of audio:subtitle pairs for matching defaults in order (e.g. jpn:eng jpn:ger)")
+    private AttributeConfig[] attributeConfig = new AttributeConfig[0];
+    @ValidMkvToolNix(message = "does not exist")
+    @Option(names = {"-m", "--mkvtoolnix"}, defaultValue = "${DEFAULT_MKV_TOOL_NIX}", description = "path to mkvtoolnix installation")
+    private File mkvToolNix;
+
+    @Option(names = {"-s", "--safemode"}, description = "test run (no files will be changes)")
+    private boolean safeMode;
+
+    @Min(1)
+    @Option(names = {"-t", "--threads"}, defaultValue = "2", showDefaultValue = CommandLine.Help.Visibility.ALWAYS, description = "thread count")
+    private int threads;
+
+    @Min(0)
+    @Option(names = {"-c", "--coherent"}, description = "try to match all files in dir of depth with the same attribute config. Attempting increasing deeper levels until match is found (worst case applying config on single file basis)")
+    private Integer coherent;
+    @Option(names = {"-cf", "--force-coherent"}, description = "only applies changes if a coherent match was found for the specifically entered depth")
+    private boolean forceCoherent;
+
+    // TODO: implement usage
+    @Option(names = {"-n", "--only-new-files"}, description = "ignores all files unchanged and previously processed")
+    private boolean onlyNewFiles;
+    @Option(names = {"-d", "--filter-date"}, defaultValue = Option.NULL_VALUE, description = "only consider files created newer than entered date (following ISO-8601 yyyy-MM-ddTHH:mm:ss.sssZ)")
+    private Instant filterDate;
+    @Option(names = {"-i", "--include-pattern"}, defaultValue = ".*", description = "include files matching pattern")
+    private Pattern includePattern;
+    @Option(names = {"-e", "--exclude"}, arity = "1..*",
+            description = "relative directories and files to be excluded (no wildcard)")
+    private Set<String> excluded = new HashSet<>();
+
+
+    @Option(names =  {"-o", "-overwrite-forced"}, description = "remove all forced flags")
+    private boolean overwriteForced;
+    @Option(names = {"--forced-keywords"}, arity = "1..*", defaultValue = "forced, signs, songs", showDefaultValue = CommandLine.Help.Visibility.ALWAYS,
+            split = ", ", description = "Keywords to identify forced tracks (Defaults will be overwritten)")
+    private Set<String> forcedKeywords;
+    @Option(names = {"--commentary-keywords"}, arity = "1..*", defaultValue = "comment, commentary, director", showDefaultValue = CommandLine.Help.Visibility.ALWAYS,
+            split = ", ", description = "Keywords to identify commentary tracks (Defaults will be overwritten)")
+    private Set<String> commentaryKeywords;
+    @Option(names = {"--hearing-impaired"}, arity = "1..*", defaultValue = "SDH, CC", showDefaultValue = CommandLine.Help.Visibility.ALWAYS,
+            split = ", ", description = "Keywords to identify hearing impaired tracks (Defaults will be overwritten")
+    private Set<String> hearingImpaired;
+    @Option(names = {"--preferred-subtitles"}, arity = "1..*", defaultValue = "unstyled", showDefaultValue = CommandLine.Help.Visibility.ALWAYS,
+            split = ", ", description = "Keywords to prefer specific subtitle tracks (Defaults will be overwritten)")
+    private Set<String> preferredSubtitles;
+    @Option(names = {"--debug"}, description = "Enable debug logging")
+    private boolean debug;
+
+    static {
+        // Set default value into system properties to picocli can read the conditional value
+        System.setProperty("DEFAULT_MKV_TOOL_NIX", SystemUtils.IS_OS_WINDOWS ? "C:\\Program Files\\MKVToolNix" : "/usr/bin/");
+    }
+
+    @Override
+    public String toString() {
+        return new StringJoiner(", ", InputConfig.class.getSimpleName() + "[", "]")
+                .add("configPath=" + configPath)
+                .add("spec=" + spec)
+                .add("libraryPath=" + libraryPath)
+                .add("attributeConfig=" + Arrays.toString(attributeConfig))
+                .add("mkvToolNix=" + mkvToolNix)
+                .add("safeMode=" + safeMode)
+                .add("threads=" + threads)
+                .add("coherent=" + coherent)
+                .add("forceCoherent=" + forceCoherent)
+                .add("filterDate=" + filterDate)
+                .add("includePattern=" + includePattern)
+                .add("excluded=" + excluded)
+                .add("overwriteForced=" + overwriteForced)
+                .add("forcedKeywords=" + forcedKeywords)
+                .add("commentaryKeywords=" + commentaryKeywords)
+                .add("hearingImpaired=" + hearingImpaired)
+                .add("preferredSubtitles=" + preferredSubtitles)
+                .add("debug=" + debug)
+                .toString();
+    }
+
+    @Override
+    public String[] getVersion() throws Exception {
+        return new String[0];
+    }
+}
+

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/MkvToolNix.java

@@ -0,0 +1,16 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.model;
+
+import lombok.AllArgsConstructor;
+
+@AllArgsConstructor
+public enum MkvToolNix {
+    MKV_MERGE("mkvmerge"),
+    MKV_PROP_EDIT("mkvpropedit");
+
+    private final String file;
+
+    @Override
+    public String toString() {
+        return file;
+    }
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/PlannedChange.java

@@ -0,0 +1,18 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.model;
+
+import lombok.Getter;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@Getter
+public class PlannedChange {
+    private final Map<TrackAttributes, Boolean> defaultTrack = new HashMap<>();
+    private final Map<TrackAttributes, Boolean> forcedTrack = new HashMap<>();
+    private final Map<TrackAttributes, Boolean> commentaryTrack = new HashMap<>();
+    private final Map<TrackAttributes, Boolean> hearingImpairedTrack = new HashMap<>();
+
+    public boolean isEmpty() {
+        return defaultTrack.isEmpty() && forcedTrack.isEmpty() && commentaryTrack.isEmpty() && hearingImpairedTrack.isEmpty();
+    }
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/ResultStatistic.java

@@ -0,0 +1,100 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.model;
+
+import lombok.Getter;
+import lombok.extern.slf4j.Slf4j;
+
+@Getter
+@Slf4j
+public class ResultStatistic {
+    private static final String PRINT_TEMPLATE = "Total: %s, Changing: %s (Successful: %s, Failed %s), Unchanged: %s, Excluded: %s, Unknown/Failed: %s\nRuntime: %s";
+    private static ResultStatistic instance;
+
+    private int changePlanned = 0;
+    private int changeFailed = 0;
+    private int changeSuccessful = 0;
+    private int unchanged = 0;
+    private int excluded = 0;
+    private int unknownFailed = 0;
+
+    private long startTime = 0;
+    private long runtime = 0;
+
+    public static ResultStatistic getInstance() {
+        return getInstance(false);
+    }
+
+    public static ResultStatistic getInstance(boolean reset) {
+        if (instance == null || reset) {
+            instance = new ResultStatistic();
+        }
+        return instance;
+    }
+
+    public int total() {
+        return changePlanned + unchanged + excluded + unknownFailed;
+    }
+
+    public synchronized void changePlanned() {
+        changePlanned++;
+    }
+
+    public synchronized void changeSuccessful() {
+        changeSuccessful++;
+    }
+
+    public synchronized void changeFailed() {
+        changeFailed++;
+    }
+
+    public synchronized void unchanged() {
+        unchanged++;
+    }
+
+    public synchronized void increaseUnchangedBy(int amount) {
+        unchanged += amount;
+    }
+
+    public synchronized void excluded() {
+        excluded++;
+    }
+
+    public synchronized void unknownFailed() {
+        unknownFailed++;
+    }
+
+    public void startTimer() {
+        startTime = System.currentTimeMillis();
+    }
+
+    public void stopTimer() {
+        runtime = System.currentTimeMillis() - startTime;
+    }
+
+    private String formatTimer() {
+        int seconds = (int) (runtime / 1000);
+        int minutes = seconds / 60;
+        int hours = minutes / 60;
+        int days = hours / 24;
+
+        if (days >= 1) {
+            return String.format("%sd %sh %sm %ss", days, hours % 24, minutes % 60, seconds % 60);
+        } else if (hours >= 1) {
+            return String.format("%sh %sm %ss", hours, minutes % 60, seconds % 60);
+        } else if (minutes >= 1) {
+            return String.format("%sm %ss", minutes, seconds % 60);
+        } else {
+            return String.format("%ss", seconds % 60);
+        }
+    }
+
+    public void print() {
+        String result = this.toString();
+        System.out.println(result);
+        log.info(result);
+    }
+
+    @Override
+    public String toString() {
+        return String.format(PRINT_TEMPLATE, total(), changePlanned, changeSuccessful, changeFailed, unchanged, excluded, unknownFailed, formatTimer());
+    }
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/TrackAttributes.java

@@ -0,0 +1,38 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.model;
+
+import lombok.extern.slf4j.Slf4j;
+
+import java.util.Objects;
+
+@Slf4j
+public record TrackAttributes(int id, String language, String trackName,
+                              boolean defaultt, boolean forced, boolean commentary, boolean hearingImpaired,
+                              TrackType type) {
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        TrackAttributes attribute = (TrackAttributes) o;
+        return id == attribute.id
+                && defaultt == attribute.defaultt
+                && forced == attribute.forced
+                && commentary == attribute.commentary
+                && hearingImpaired == attribute.hearingImpaired
+                && Objects.equals(language, attribute.language)
+                && Objects.equals(trackName, attribute.trackName)
+                && type == attribute.type;
+    }
+
+    @Override
+    public String toString() {
+        return "[" + "id=" + id +
+                ", language='" + language + '\'' +
+                ", trackName='" + trackName + '\'' +
+                ", defaultt=" + defaultt +
+                ", forced=" + forced +
+                ", commentary=" + commentary +
+                ", hearingImpaired=" + hearingImpaired +
+                ", type=" + type +
+                ']';
+    }
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/TrackType.java

@@ -0,0 +1,6 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.model;
+
+public enum TrackType {
+    AUDIO,
+    SUBTITLES;
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/util/ConfigUtil.java

@@ -1,40 +0,0 @@
-package at.pcgamingfreaks.mkvaudiosubtitlechanger.util;
-
-import at.pcgamingfreaks.mkvaudiosubtitlechanger.config.AttributeConfig;
-import at.pcgamingfreaks.yaml.YAML;
-import at.pcgamingfreaks.yaml.YamlInvalidContentException;
-import at.pcgamingfreaks.yaml.YamlKeyNotFoundException;
-import lombok.extern.log4j.Log4j2;
-
-import java.io.File;
-import java.io.IOException;
-import java.util.List;
-import java.util.stream.Collectors;
-
-@Log4j2
-public class ConfigUtil {
-    public static List<AttributeConfig> loadConfig() {
-        try(YAML yaml = new YAML(new File("config.yaml"))){
-            return yaml.getKeysFiltered(".*audio.*").stream()
-                    .sorted()
-                    .map(elem -> elem.replace(".audio", ""))
-                    .map(elem -> createAttributeConfig(elem, yaml))
-                    .collect(Collectors.toList());
-        }catch(YamlInvalidContentException | IOException e){
-            log.fatal("Config could not be loaded");
-            e.printStackTrace();
-        }
-        return null;
-    }
-
-    private static AttributeConfig createAttributeConfig(String key, YAML yaml) {
-        try{
-            return new AttributeConfig(
-                    yaml.getStringList(key + ".audio"),
-                    yaml.getStringList(key + ".subtitle"));
-        }catch(YamlKeyNotFoundException e){
-            e.printStackTrace();
-            return null;
-        }
-    }
-}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/util/FileUtils.java

@@ -0,0 +1,21 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.util;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.MkvToolNix;
+import org.apache.commons.lang3.SystemUtils;
+
+import java.io.File;
+import java.nio.file.Path;
+
+public class FileUtils {
+    private static final boolean isWindows = SystemUtils.IS_OS_WINDOWS;
+
+    private static String expandPath(File dir, MkvToolNix application) {
+        return dir.getAbsolutePath().endsWith("/")
+                ? dir.getAbsolutePath() + application
+                : dir.getAbsolutePath() + "/" + application;
+    }
+
+    public static File getPathFor(File dir, MkvToolNix application) {
+        return Path.of(expandPath(dir, application) + (isWindows ? ".exe" : "")).toFile();
+    }
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/util/LanguageValidatorUtil.java

@@ -0,0 +1,29 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.util;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.Objects;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+public class LanguageValidatorUtil {
+    private static Set<String> ISO3_LANGUAGES;
+
+    static {
+        try {
+            ISO3_LANGUAGES = loadLanguageCodes();
+        } catch (IOException ignored) {}
+    }
+
+    private static Set<String> loadLanguageCodes() throws IOException {
+        try (BufferedReader bf = new BufferedReader(new InputStreamReader(
+                Objects.requireNonNull(LanguageValidatorUtil.class.getClassLoader().getResourceAsStream("language-codes"))))) {
+            return bf.lines().collect(Collectors.toSet());
+        }
+    }
+
+    public static boolean isLanguageValid(String language) {
+        return ISO3_LANGUAGES.contains(language);
+    }
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/util/ProjectUtil.java

@@ -0,0 +1,52 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.util;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.MkvToolNix;
+import org.apache.logging.log4j.util.Strings;
+import picocli.CommandLine;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.Properties;
+
+public class ProjectUtil implements CommandLine.IVersionProvider {
+    private static final Properties PROJECT_PROPERTIES = new Properties();
+
+    static {
+        try (InputStream propertiesStream = ProjectUtil.class.getClassLoader().getResourceAsStream("project.properties")) {
+            PROJECT_PROPERTIES.load(propertiesStream);
+        } catch (IOException e) {
+            throw new RuntimeException(e.getMessage());
+        }
+    }
+
+    public static String getProjectName() {
+        return  PROJECT_PROPERTIES.getProperty("project_name");
+    }
+
+    public String[] getVersion() throws IOException {
+        String mkvpropeeditVersion = getVersion(MkvToolNix.MKV_PROP_EDIT);
+        String mkvmergeVersion = getVersion(MkvToolNix.MKV_MERGE);
+
+        return new String[] {
+                getProjectName() + " " + PROJECT_PROPERTIES.getProperty("version"),
+                "Java ${java.version} (${java.vendor} ${java.vm.name} ${java.vm.version})",
+                "${os.name} ${os.version} ${os.arch}",
+                (!Strings.isBlank(mkvpropeeditVersion) ? mkvpropeeditVersion : "MkvPropEdit not found") + ", " + (!Strings.isBlank(mkvmergeVersion) ? mkvmergeVersion : "MkvMerge not found")
+        };
+    }
+
+    public static String getVersion(MkvToolNix app) throws IOException {
+        ProcessBuilder processBuilder = new ProcessBuilder(app.toString(), "--version");
+        Process process = processBuilder.start();
+
+        try (BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()))) {
+            String version = reader.readLine();
+            int exitCode = process.waitFor();
+
+            if (exitCode == 0) return version;
+        } catch (IOException | InterruptedException ignored) {}
+        return null;
+    }
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/util/ValidationUtil.java

@@ -0,0 +1,12 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.util;
+
+import jakarta.validation.Validation;
+import jakarta.validation.Validator;
+import jakarta.validation.ValidatorFactory;
+import lombok.Getter;
+
+public class ValidationUtil {
+    private static final ValidatorFactory factory = Validation.buildDefaultValidatorFactory();
+    @Getter
+    private static final Validator validator = factory.getValidator();
+}

src/main/resources/log4j2-debian.yml

@@ -0,0 +1,42 @@
+Configuration:
+  name: MainConfig
+
+  Properties:
+    Property:
+      - name: logDir
+        value: ${sys:user.home}/.local/mkvaudiosubtitlechanger/logs
+      - name: logPattern
+        value: "%d{DEFAULT} | %-5level | %msg %n %throwable"
+
+  Appenders:
+    RollingFile:
+      name: FileAppender
+      fileName: ${logDir}/application.log
+      filePattern: ${logDir}/archive/application-%d{yyyy-MM-dd}-%i.log.gz
+      PatternLayout:
+        Pattern: logPattern
+      ThresholdFilter:
+        level: debug
+      Policies:
+        OnStartupTriggeringPolicy:
+          minSize: 0
+      DefaultRolloverStrategy:
+        max: 30
+        Delete:
+          basePath: logs/archive
+          maxDepth: 1
+          IfLastModified:
+            age: 30d
+          IfAccumulatedFileSize:
+            exceeds: 1GB
+
+  Loggers:
+    Root:
+      level: info
+      AppenderRef:
+        - ref: FileAppender
+    Logger:
+      name: "com.zaxxer.hikari.HikariConfig"
+      level: info
+      AppenderRef:
+        - ref: FileAppender

src/main/resources/log4j2-dev.yml

@@ -0,0 +1,49 @@
+Configuration:
+
+  Properties:
+    Property:
+      - name: logDir
+        value: "./logs"
+      - name: log_pattern
+        value: "%d{DEFAULT} | %-5level | %thread | %C{1} | %msg %n %throwable"
+
+  Appenders:
+    Console:
+      name: Console_Out
+      PatternLayout:
+        Pattern: ${log_pattern}
+      ThresholdFilter:
+        level: debug
+    RollingFile:
+      name: FileAppender
+      fileName: ${logDir}/application.log
+      filePattern: ${logDir}/archive/application-%d{yyyy-MM-dd}-%i.log.gz
+      PatternLayout:
+        Pattern: logPattern
+      ThresholdFilter:
+        level: debug
+      Policies:
+        OnStartupTriggeringPolicy:
+          minSize: 0
+      DefaultRolloverStrategy:
+        max: 30
+        Delete:
+          basePath: logs/archive
+          maxDepth: 1
+          IfLastModified:
+            age: 30d
+          IfAccumulatedFileSize:
+            exceeds: 1GB
+
+  Loggers:
+    Root:
+      level: debug
+      AppenderRef:
+        - ref: Console_Out
+        - ref: FileAppender
+    Logger:
+      name: "com.zaxxer.hikari.HikariConfig"
+      level: info
+      AppenderRef:
+        - ref: Console_Out
+        - ref: FileAppender

src/main/resources/log4j2-windows.yml

@@ -0,0 +1,42 @@
+Configuration:
+  name: WindowsConfig
+
+  Properties:
+    Property:
+      - name: logDir
+        value: ${sys:user.home}/AppData/Local/MKVAudioSubtitleChanger/logs
+      - name: logPattern
+        value: "%d{DEFAULT} | %-5level | %msg %n %throwable"
+
+  Appenders:
+    RollingFile:
+      name: FileAppender
+      fileName: ${logDir}/application.log
+      filePattern: ${logDir}/archive/application-%d{yyyy-MM-dd}-%i.log.gz
+      PatternLayout:
+        Pattern: logPattern
+      ThresholdFilter:
+        level: debug
+      Policies:
+        OnStartupTriggeringPolicy:
+          minSize: 0
+      DefaultRolloverStrategy:
+        max: 30
+        Delete:
+          basePath: logs/archive
+          maxDepth: 1
+          IfLastModified:
+            age: 30d
+          IfAccumulatedFileSize:
+            exceeds: 1GB
+
+  Loggers:
+    Root:
+      level: info
+      AppenderRef:
+        - ref: FileAppender
+    Logger:
+      name: "com.zaxxer.hikari.HikariConfig"
+      level: info
+      AppenderRef:
+        - ref: FileAppender

src/main/resources/log4j2.yaml

@@ -1,28 +0,0 @@
-Configuration:
-  name: DefaultLogger
-  Appenders:
-    Console:
-      name: Console_Out
-      PatternLayout:
-        Pattern: "%d{DEFAULT} | %-5level | %thread | %msg %n %throwable"
-      ThresholdFilter:
-        level: debug
-    File:
-      name: FileAppender
-      fileName: default.log
-      PatternLayout:
-        Pattern: "%d{DEFAULT} | %-5level | %thread | %msg %n %throwable"
-      ThresholdFilter:
-        level: info
-  Loggers:
-    Root:
-      level: debug
-      AppenderRef:
-        - ref: Console_Out
-        - ref: FileAppender
-    Logger:
-      name: "com.zaxxer.hikari.HikariConfig"
-      level: info
-      AppenderRef:
-        - ref: Console_Out
-        - ref: FileAppender

src/main/resources/log4j2.yml

@@ -0,0 +1,42 @@
+Configuration:
+  name: MainConfig
+
+  Properties:
+    Property:
+      - name: logDir
+        value: ./logs
+      - name: logPattern
+        value: "%d{DEFAULT} | %-5level | %msg %n %throwable"
+
+  Appenders:
+    RollingFile:
+      name: FileAppender
+      fileName: ${logDir}/application.log
+      filePattern: ${logDir}/archive/application-%d{yyyy-MM-dd}-%i.log.gz
+      PatternLayout:
+        Pattern: logPattern
+      ThresholdFilter:
+        level: debug
+      Policies:
+        OnStartupTriggeringPolicy:
+          minSize: 0
+      DefaultRolloverStrategy:
+        max: 30
+        Delete:
+          basePath: logs/archive
+          maxDepth: 1
+          IfLastModified:
+            age: 30d
+          IfAccumulatedFileSize:
+            exceeds: 1GB
+
+  Loggers:
+    Root:
+      level: info
+      AppenderRef:
+        - ref: FileAppender
+    Logger:
+      name: "com.zaxxer.hikari.HikariConfig"
+      level: info
+      AppenderRef:
+        - ref: FileAppender

src/test/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/config/PicoCliTest.java

@@ -0,0 +1,23 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.config;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.CommandRunner;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.validation.ValidationExecutionStrategy;
+import org.junit.jupiter.api.Test;
+import picocli.CommandLine;
+
+import java.time.Instant;
+
+import static at.pcgamingfreaks.mkvaudiosubtitlechanger.util.PathUtils.TEST_FILE;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class PicoCliTest {
+
+    @Test
+    void loadFilterDate() {
+        CommandRunner underTest = new CommandRunner();
+        new CommandLine(underTest)
+                .setExecutionStrategy(new ValidationExecutionStrategy())
+                .parseArgs("-d", "2012-12-12T12:12:12.00Z", TEST_FILE);
+        assertEquals(Instant.parse("2012-12-12T12:12:12.00Z"), underTest.getConfig().getFilterDate());
+    }
+}

src/test/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/config/converter/AttributeConfigConverterTest.java

@@ -0,0 +1,50 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.config.converter;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.converter.AttributeConfigConverter;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.AttributeConfig;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+import picocli.CommandLine;
+
+import java.util.stream.Stream;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class AttributeConfigConverterTest {
+
+    private static Stream<Arguments> validData() {
+        return Stream.of(
+                Arguments.of("jpn:ger", new AttributeConfig("jpn", "ger")),
+                Arguments.of("eng:eng", new AttributeConfig("eng", "eng")),
+                Arguments.of("OFF:OFF", new AttributeConfig("OFF", "OFF"))
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("validData")
+    void convert(String input, AttributeConfig expected) {
+        AttributeConfigConverter underTest = new AttributeConfigConverter();
+        AttributeConfig actual = underTest.convert(input);
+        assertEquals(expected, actual);
+    }
+
+    private static Stream<Arguments> invalidData() {
+        return Stream.of(
+                Arguments.of("ars:eng"),
+                Arguments.of("ars:OFF"),
+                Arguments.of("OFF:ars"),
+                Arguments.of("ars:ars"),
+                Arguments.of("arss:ars"),
+                Arguments.of("ars:arsr")
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("invalidData")
+    void convertInvalid(String input) {
+        AttributeConfigConverter underTest = new AttributeConfigConverter();
+        assertThrows(CommandLine.TypeConversionException.class, () -> underTest.convert(input));
+    }
+}
+

src/test/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/FileFilterTest.java

@@ -0,0 +1,87 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.ResultStatistic;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+import org.mockito.Mock;
+import org.mockito.MockedStatic;
+import org.mockito.Mockito;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+import java.io.File;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.attribute.BasicFileAttributes;
+import java.nio.file.attribute.FileTime;
+import java.time.Instant;
+import java.time.temporal.ChronoUnit;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.regex.Pattern;
+import java.util.stream.Stream;
+
+import static at.pcgamingfreaks.mkvaudiosubtitlechanger.util.PathUtils.TEST_FILE;
+import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.Mockito.*;
+
+@ExtendWith(MockitoExtension.class)
+class FileFilterTest {
+    @Mock(strictness = Mock.Strictness.LENIENT)
+    File file;
+
+    @Mock(strictness = Mock.Strictness.LENIENT)
+    BasicFileAttributes attributes;
+
+    @BeforeEach
+    void beforeEach() {
+        ResultStatistic.getInstance(true);
+    }
+
+    private static Stream<Arguments> accept() {
+        return Stream.of(
+                Arguments.of("~/video.mkv", Set.of(".mkv"), Set.of(), -1, ".*", true, false),
+                Arguments.of("~/video.mp4", Set.of(".mkv"), Set.of(), -1, ".*", false, false),
+
+                Arguments.of("~/video.mkv", Set.of(".mkv"), Set.of(), -1, "v.*", true, false),
+                Arguments.of("~/video.mkv", Set.of(".mkv"), Set.of(), -1, "a.*", false, true),
+
+                Arguments.of("~/video.mkv", Set.of(".mkv"), Set.of(), -1000, ".*", true, false),
+                Arguments.of("~/video.mkv", Set.of(".mkv"), Set.of(), 1000, ".*", false, true),
+
+                Arguments.of("dir/video.mkv", Set.of(".mkv"), Set.of("dir"), -1, ".*", false, true),
+                Arguments.of("dir/dir2/video.mkv", Set.of(".mkv"), Set.of("dir/dir2"), -1, ".*", false, true),
+                Arguments.of("dir/video.mkv", Set.of(".mkv"), Set.of("dir/dir2"), -1, ".*", true, false),
+                Arguments.of("dirr/video.mkv", Set.of(".mkv"), Set.of("dir"), -1, ".*", true, false)
+        );
+    }
+
+    /**
+     * @param filterDateOffset move filter data into the future or past by positive and negative values
+     */
+    @ParameterizedTest
+    @MethodSource
+    void accept(String path, Set<String> extensions, Set<String> excludedDirs, int filterDateOffset, String pattern, boolean acceptanceExpected, boolean excluded) {
+        when(file.getAbsolutePath()).thenReturn(path);
+        when(file.getPath()).thenReturn(path);
+        String[] split = path.split("/");
+        when(file.getName()).thenReturn(split[split.length - 1]);
+        when(file.toPath()).thenReturn(Path.of(TEST_FILE));
+
+        long currentTime = System.currentTimeMillis();
+        when(attributes.creationTime()).thenReturn(FileTime.fromMillis(currentTime));
+        when(attributes.lastModifiedTime()).thenReturn(FileTime.fromMillis(currentTime));
+        FileFilter fileFilter = new FileFilter(excludedDirs, Pattern.compile(pattern), Instant.ofEpochMilli(currentTime).plus(filterDateOffset, ChronoUnit.SECONDS), null);
+
+        try (MockedStatic<Files> mockedFiles = Mockito.mockStatic(Files.class)) {
+            mockedFiles
+                    .when(() -> Files.readAttributes(any(), eq(BasicFileAttributes.class)))
+                    .thenReturn(attributes);
+
+            assertEquals(acceptanceExpected, fileFilter.accept(file, new HashSet<>(extensions)), "File is accepted");
+            assertEquals(excluded, ResultStatistic.getInstance().getExcluded() > 0, "Is counted in excluded statistic");
+        }
+    }
+}

src/test/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/LastExecutionHandlerTest.java

@@ -0,0 +1,74 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl;
+
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.Test;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.time.Instant;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class LastExecutionHandlerTest {
+    private static final String LAST_EXECUTION_PATH = ".";
+    private static final String LAST_EXECUTION_FILE = "./last-execution.properties";
+    private static final String TEST_MKV_FILE = "/arst/file.mkv";
+
+    @AfterEach
+    void destruct() {
+        File file = new File(LAST_EXECUTION_FILE);
+        if (file.exists()) file.delete();
+    }
+
+    @Test
+    void missingFile() throws IOException {
+        LastExecutionHandler underTest = new LastExecutionHandler(LAST_EXECUTION_PATH);
+        assertNull(underTest.get(TEST_MKV_FILE));
+        underTest.update(TEST_MKV_FILE);
+        assertNotNull(underTest.get(TEST_MKV_FILE));
+        underTest.persist();
+        File file = new File(LAST_EXECUTION_FILE);
+        assertTrue(file.exists());
+        assertTrue(Files.readString(file.toPath()).contains(TEST_MKV_FILE + "="));
+    }
+
+    @Test
+    void emptyFile() throws IOException {
+        File file = new File(LAST_EXECUTION_FILE);
+        file.createNewFile();
+        missingFile(); // does the checks needed for empty file case
+    }
+
+    @Test
+    void existingFileNoChanges() throws IOException {
+        File file = new File(LAST_EXECUTION_FILE);
+        file.createNewFile();
+        Files.writeString(file.toPath(), TEST_MKV_FILE + "=" + Instant.now());
+        String expected = Files.readString(file.toPath()).replace(":", "\\:");
+
+        LastExecutionHandler underTest = new LastExecutionHandler(LAST_EXECUTION_PATH);
+        assertNotNull(underTest.get(TEST_MKV_FILE));
+        underTest.persist();
+        File file1 = new File(LAST_EXECUTION_FILE);
+        assertTrue(file1.exists());
+        assertTrue(Files.readString(file.toPath()).contains(expected), "File contains expected value");
+    }
+
+    @Test
+    void existingFileWithChanges() throws IOException {
+        File file = new File(LAST_EXECUTION_FILE);
+        file.createNewFile();
+        Files.writeString(file.toPath(), TEST_MKV_FILE + "=" + Instant.now());
+        String expected = Files.readString(file.toPath());
+
+        LastExecutionHandler underTest = new LastExecutionHandler(LAST_EXECUTION_PATH);
+        assertNotNull(underTest.get(TEST_MKV_FILE));
+        underTest.update(TEST_MKV_FILE);
+        assertNotNull(underTest.get(TEST_MKV_FILE));
+        underTest.persist();
+        File file1 = new File(LAST_EXECUTION_FILE);
+        assertTrue(file1.exists());
+        assertNotEquals(expected, Files.readString(file.toPath()));
+    }
+}

src/test/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/SubtitleTrackComparatorTest.java

@@ -0,0 +1,59 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.TrackAttributes;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.TrackType;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+
+import java.util.List;
+import java.util.stream.Stream;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class SubtitleTrackComparatorTest {
+    private static Stream<Arguments> compareArguments() {
+        return Stream.of(
+                Arguments.of(attr(""), attr(""), 0),
+                Arguments.of(attr("pref"), attr(""), 1),
+                Arguments.of(attr(""), attr("pref"), -1),
+                Arguments.of(attr("pref"), attr("pref"), 0),
+
+                Arguments.of(attr("", true), attr("", true), 0),
+                Arguments.of(attr("", true), attr(""), -1),
+                Arguments.of(attr("CC", true), attr(""), -1),
+                Arguments.of(attr("CC"), attr(""), -1),
+                Arguments.of(attr(""), attr("", true), 1),
+                Arguments.of(attr(""), attr("CC", true), 1),
+                Arguments.of(attr(""), attr("CC"), 1),
+
+                Arguments.of(attr("pref", true), attr("pref"), -1),
+                Arguments.of(attr("pref", true), attr("pref", true), 0),
+                Arguments.of(attr("pref"), attr("pref", true), 1),
+                Arguments.of(attr("", true), attr("pref"), -2),
+                Arguments.of(attr("pref"), attr("", true), 2),
+
+                Arguments.of(attr(null), attr(null), 0),
+                Arguments.of(attr(null), attr(""), 0),
+                Arguments.of(attr(null), attr("pref"), -1),
+                Arguments.of(attr(""), attr(null), 0),
+                Arguments.of(attr("pref"), attr(null), 1)
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("compareArguments")
+    void compare(TrackAttributes track1, TrackAttributes track2, int expected) {
+        SubtitleTrackComparator comparator = new SubtitleTrackComparator(List.of("pref"), List.of("CC", "SDH"));
+        int actual = comparator.compare(track1, track2);
+        assertEquals(expected, actual);
+    }
+
+    private static TrackAttributes attr(String trackname) {
+        return attr(trackname, false);
+    }
+
+    private static TrackAttributes attr(String trackName, boolean hearingImpaired) {
+        return new TrackAttributes(0, "", trackName, false, false, false, hearingImpaired, TrackType.SUBTITLES);
+    }
+}

src/test/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/processors/AttributeChangeProcessorTest.java

@@ -0,0 +1,349 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.processors;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.AttributeConfig;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.FileInfo;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.TrackAttributes;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.*;
+import java.util.stream.Stream;
+
+import static at.pcgamingfreaks.mkvaudiosubtitlechanger.util.TrackAttributeUtil.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+class AttributeChangeProcessorTest {
+
+    private static Stream<Arguments> findAndApplyDefaultMatch() {
+        return Stream.of(
+                Arguments.of(
+                        List.of(withName(AUDIO_ENG, null), SUB_ENG),
+                        arr(a("eng:eng")), "eng:eng",
+                        Map.ofEntries(on(withName(AUDIO_ENG, null)), on(SUB_ENG))
+                ),
+                Arguments.of(
+                        List.of(AUDIO_ENG, SUB_ENG),
+                        arr(a("eng:eng")), "eng:eng",
+                        Map.ofEntries(on(AUDIO_ENG), on(SUB_ENG))
+                ),
+                Arguments.of(
+                        List.of(AUDIO_ENG, AUDIO_GER, SUB_ENG, SUB_GER),
+                        arr(a("eng:eng")), "eng:eng",
+                        Map.ofEntries(on(AUDIO_ENG), on(SUB_ENG))
+                ),
+                Arguments.of(
+                        List.of(AUDIO_ENG_DEFAULT, AUDIO_GER, SUB_ENG, SUB_GER),
+                        arr(a("ger:eng")), "ger:eng",
+                        Map.ofEntries(off(AUDIO_ENG_DEFAULT), on(AUDIO_GER), on(SUB_ENG))
+                ),
+                Arguments.of(
+                        List.of(AUDIO_ENG_DEFAULT, AUDIO_GER, SUB_ENG, SUB_GER),
+                        arr(a("eng:ger")), "eng:ger",
+                        Map.ofEntries(on(SUB_GER))
+                ),
+                Arguments.of(
+                        List.of(AUDIO_ENG_DEFAULT, AUDIO_GER, SUB_ENG_DEFAULT, SUB_GER),
+                        arr(a("eng:OFF")), "eng:OFF",
+                        Map.ofEntries(off(SUB_ENG_DEFAULT))
+                ),
+                Arguments.of(
+                        List.of(AUDIO_ENG_DEFAULT, AUDIO_GER, SUB_ENG_DEFAULT, SUB_GER),
+                        arr(a("OFF:OFF")), "OFF:OFF",
+                        Map.ofEntries(off(AUDIO_ENG_DEFAULT), off(SUB_ENG_DEFAULT))
+                ),
+                Arguments.of(
+                        List.of(AUDIO_ENG_DEFAULT, AUDIO_GER, SUB_GER),
+                        arr(a("eng:eng"), a("eng:ger")), "eng:ger",
+                        Map.ofEntries(on(SUB_GER))
+                ),
+                Arguments.of(
+                        List.of(AUDIO_ENG_DEFAULT, AUDIO_GER_COMMENTARY, SUB_GER_FORCED),
+                        arr(a("ger:ger")), null,
+                        Map.ofEntries()
+                ),
+                Arguments.of(
+                        List.of(AUDIO_ENG_DEFAULT, AUDIO_GER_COMMENTARY, withName(SUB_GER, "forced")),
+                        arr(a("ger:ger")), null,
+                        Map.ofEntries()
+                ),
+                Arguments.of(
+                        List.of(AUDIO_GER, withName(SUB_GER, "SDH")),
+                        arr(a("ger:ger")), "ger:ger",
+                        Map.ofEntries(on(AUDIO_GER), on(withName(SUB_GER, "SDH")))
+                ),
+                Arguments.of(
+                        List.of(AUDIO_GER, withName(SUB_GER, "SDH"), SUB_GER),
+                        arr(a("ger:ger")), "ger:ger",
+                        Map.ofEntries(on(AUDIO_GER), on(SUB_GER))
+                ),
+                Arguments.of(
+                        List.of(AUDIO_GER, SUB_GER_HEARING),
+                        arr(a("ger:ger")), "ger:ger",
+                        Map.ofEntries(on(AUDIO_GER), on(SUB_GER_HEARING))
+                ),
+                Arguments.of(
+                        List.of(AUDIO_GER, SUB_GER_HEARING, SUB_GER),
+                        arr(a("ger:ger")), "ger:ger",
+                        Map.ofEntries(on(AUDIO_GER), on(SUB_GER))
+                ),
+                Arguments.of(
+                        List.of(AUDIO_GER, SUB_ENG_HEARING, SUB_GER),
+                        arr(a("ger:eng")), "ger:eng",
+                        Map.ofEntries(on(AUDIO_GER), on(SUB_ENG_HEARING))
+                )
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("findAndApplyDefaultMatch")
+    void findAndApplyDefaultMatch(List<TrackAttributes> tracks, AttributeConfig[] config, String expectedConfig, Map<TrackAttributes, Boolean> changes) {
+        AttributeChangeProcessor attributeChangeProcessor = new AttributeChangeProcessor(new String[]{}, Set.of("forced"), Set.of("commentary"), Set.of("SDH"));
+        FileInfo fileInfo = new FileInfo(null);
+        fileInfo.addTracks(tracks);
+
+        attributeChangeProcessor.findAndApplyDefaultMatch(fileInfo, config);
+
+        assertEquals(expectedConfig, fileInfo.getMatchedConfig() != null  ? fileInfo.getMatchedConfig().toStringShort() : fileInfo.getMatchedConfig());
+        assertEquals(changes.size(), fileInfo.getChanges().getDefaultTrack().size());
+        changes.forEach((key, value) -> {
+            assertTrue(fileInfo.getChanges().getDefaultTrack().containsKey(key));
+            assertEquals(value, fileInfo.getChanges().getDefaultTrack().get(key));
+        });
+    }
+
+    private static Stream<Arguments> applyForcedAsDefault() {
+        return Stream.of(
+                Arguments.of(
+                        List.of(AUDIO_GER, SUB_GER_FORCED),
+                        a("ger:OFF"),
+                        Map.ofEntries(on(SUB_GER_FORCED))
+                ),
+                Arguments.of(
+                        List.of(AUDIO_GER, SUB_GER_FORCED, SUB_GER),
+                        a("ger:OFF"),
+                        Map.ofEntries(on(SUB_GER_FORCED))
+                ),
+                Arguments.of(
+                        List.of(AUDIO_GER, withName(SUB_GER, "forced")),
+                        a("ger:OFF"),
+                        Map.ofEntries(on(withName(SUB_GER, "forced")))
+                ),
+                Arguments.of(
+                        List.of(AUDIO_GER, SUB_GER_FORCED, SUB_ENG),
+                        a("ger:eng"),
+                        Map.ofEntries()
+                ),
+                Arguments.of(
+                        List.of(AUDIO_GER, SUB_GER_FORCED, SUB_ENG),
+                        null,
+                        Map.ofEntries()
+                )
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("applyForcedAsDefault")
+    void applyForcedAsDefault(List<TrackAttributes> tracks, AttributeConfig config, Map<TrackAttributes, Boolean> changes) {
+        AttributeChangeProcessor attributeChangeProcessor = new AttributeChangeProcessor(new String[]{}, Set.of("forced"), Set.of(""), Set.of(""));
+        FileInfo fileInfo = new FileInfo(null);
+        fileInfo.addTracks(tracks);
+        fileInfo.setMatchedConfig(config);
+
+        attributeChangeProcessor.applyForcedAsDefault(fileInfo);
+
+        assertEquals(changes.size(), fileInfo.getChanges().getDefaultTrack().size());
+        changes.forEach((key, value) -> {
+            assertTrue(fileInfo.getChanges().getDefaultTrack().containsKey(key));
+            assertEquals(value, fileInfo.getChanges().getDefaultTrack().get(key));
+        });
+    }
+
+    private static Stream<Arguments> getPossibleDefaults() {
+        return Stream.of(
+            Arguments.of(List.of(AUDIO_GER, AUDIO_ENG, SUB_GER), Set.of(AUDIO_GER, AUDIO_ENG, SUB_GER)),
+            Arguments.of(List.of(AUDIO_GER, AUDIO_ENG, withName(AUDIO_GER, "forced"), SUB_GER), Set.of(AUDIO_GER, AUDIO_ENG, SUB_GER)),
+            Arguments.of(List.of(AUDIO_GER, AUDIO_ENG, withName(AUDIO_GER, "Forced"), SUB_GER), Set.of(AUDIO_GER, AUDIO_ENG, SUB_GER)),
+            Arguments.of(List.of(AUDIO_GER, AUDIO_ENG, withName(AUDIO_GER, "commentary"), SUB_GER), Set.of(AUDIO_GER, AUDIO_ENG, SUB_GER)),
+            Arguments.of(List.of(AUDIO_GER, AUDIO_ENG, withName(AUDIO_GER, "Commentary"), SUB_GER), Set.of(AUDIO_GER, AUDIO_ENG, SUB_GER)),
+            Arguments.of(List.of(AUDIO_GER, AUDIO_ENG, withName(AUDIO_GER, "SDH"), SUB_GER), Set.of(AUDIO_GER, AUDIO_ENG, SUB_GER, withName(AUDIO_GER, "SDH"))),
+            Arguments.of(List.of(AUDIO_GER, AUDIO_ENG, withName(AUDIO_GER, "sdh"), SUB_GER), Set.of(AUDIO_GER, AUDIO_ENG, SUB_GER, withName(AUDIO_GER, "sdh"))),
+            Arguments.of(List.of(AUDIO_GER, AUDIO_ENG, SUB_GER, SUB_GER_FORCED, AUDIO_GER_COMMENTARY, AUDIO_GER_HEARING), Set.of(AUDIO_GER, AUDIO_ENG, SUB_GER, AUDIO_GER_HEARING))
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("getPossibleDefaults")
+    void getPossibleDefaults(List<TrackAttributes> tracks, Set<TrackAttributes> expected) throws InvocationTargetException, IllegalAccessException {
+        AttributeChangeProcessor attributeChangeProcessor = new AttributeChangeProcessor(new String[]{}, Set.of("forced"), Set.of("commentary"), Set.of("SDH"));
+        Optional<Method> method = Arrays.stream(AttributeChangeProcessor.class.getDeclaredMethods())
+                .filter(m -> m.getName().equals("getPossibleDefaults"))
+                .findFirst();
+
+        assertTrue(method.isPresent());
+        Method underTest = method.get();
+        underTest.setAccessible(true);
+        List<TrackAttributes> result = ((Stream<TrackAttributes>) underTest.invoke(attributeChangeProcessor, tracks)).toList();
+        assertEquals(expected.size(), result.size());
+        for (TrackAttributes track : result) {
+            assertTrue(expected.contains(track));
+        }
+    }
+
+    private static Stream<Arguments> getForcedTracks() {
+        return Stream.of(
+                Arguments.of(List.of(withName(SUB_GER, "forced")), Map.of(), Set.of(withName(SUB_GER, "forced"))),
+                Arguments.of(List.of(SUB_GER_FORCED), Map.of(), Set.of(SUB_GER_FORCED)),
+                Arguments.of(List.of(SUB_GER_FORCED, withName(SUB_GER, "forced")), Map.of(), Set.of(SUB_GER_FORCED, withName(SUB_GER, "forced"))),
+                Arguments.of(List.of(SUB_GER_FORCED, withName(SUB_GER, "forced")), Map.of(SUB_GER_FORCED, false), Set.of(withName(SUB_GER, "forced"))),
+                Arguments.of(List.of(SUB_GER, withName(SUB_GER, "forced")), Map.of(SUB_GER, true), Set.of(SUB_GER, withName(SUB_GER, "forced")))
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("getForcedTracks")
+    void getForcedTracks(List<TrackAttributes> tracks, Map<TrackAttributes, Boolean> changes, Set<TrackAttributes> expected) throws InvocationTargetException, IllegalAccessException {
+        AttributeChangeProcessor attributeChangeProcessor = new AttributeChangeProcessor(new String[]{}, Set.of("forced"), Set.of(), Set.of());
+        FileInfo fileInfo = new FileInfo(null);
+        fileInfo.addTracks(tracks);
+        changes.forEach((key, val) -> fileInfo.getChanges().getForcedTrack().put(key, val));
+        Optional<Method> method = Arrays.stream(AttributeChangeProcessor.class.getDeclaredMethods())
+                .filter(m -> m.getName().equals("getForcedTracks"))
+                .findFirst();
+
+        assertTrue(method.isPresent());
+        Method underTest = method.get();
+        underTest.setAccessible(true);
+        List<TrackAttributes> result = ((Stream<TrackAttributes>) underTest.invoke(attributeChangeProcessor, fileInfo)).toList();
+        assertEquals(expected.size(), result.size());
+        for (TrackAttributes track : result) {
+            assertTrue(expected.contains(track));
+        }
+    }
+
+    private static Stream<Arguments> findAndApplyForcedTracks() {
+        return Stream.of(
+                Arguments.of(List.of(),
+                        Set.of("song & signs"), false,
+                        Map.ofEntries()
+                ),
+                Arguments.of(List.of(withName(SUB_GER, "song & signs"), SUB_GER),
+                        Set.of("song & signs"), false,
+                        Map.ofEntries(on(withName(SUB_GER, "song & signs")))
+                ),
+                Arguments.of(List.of(withName(SUB_GER, "song & signs"), withName(SUB_GER, "")),
+                        Set.of("song & signs"), false,
+                        Map.ofEntries(on(withName(SUB_GER, "song & signs")))
+                ),
+                Arguments.of(List.of(withName(SUB_GER, "song & signs"), withName(SUB_GER, null)),
+                        Set.of("song & signs"), false,
+                        Map.ofEntries(on(withName(SUB_GER, "song & signs")))
+                ),
+                Arguments.of(List.of(withName(SUB_GER, "song & signs")),
+                        Set.of("song & signs"), false,
+                        Map.ofEntries(on(withName(SUB_GER, "song & signs")))
+                ),
+                Arguments.of(List.of(withName(SUB_GER_FORCED, "song & signs")),
+                        Set.of("song & signs"), false,
+                        Map.ofEntries()
+                ),
+                Arguments.of(List.of(SUB_GER_FORCED, withName(SUB_GER, "song & signs")),
+                        Set.of("song & signs"), true,
+                        Map.ofEntries(off(SUB_GER_FORCED), on(withName(SUB_GER, "song & signs")))
+                )
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("findAndApplyForcedTracks")
+    void findAndApplyForcedTracks(List<TrackAttributes> tracks, Set<String> keywords, boolean overwrite, Map<TrackAttributes, Boolean> changes) {
+        AttributeChangeProcessor attributeChangeProcessor = new AttributeChangeProcessor(new String[]{}, keywords, Set.of(), Set.of());
+
+        FileInfo fileInfo = new FileInfo(null);
+        fileInfo.addTracks(tracks);
+        attributeChangeProcessor.findAndApplyForcedTracks(fileInfo, overwrite);
+
+        assertEquals(changes.size(), fileInfo.getChanges().getForcedTrack().size());
+        changes.forEach((key, value) -> {
+            assertTrue(fileInfo.getChanges().getForcedTrack().containsKey(key));
+            assertEquals(value, fileInfo.getChanges().getForcedTrack().get(key));
+        });
+    }
+
+    private static Stream<Arguments> findAndApplyCommentaryTracks() {
+        return Stream.of(
+                Arguments.of(List.of(withName(SUB_GER, "commentary"), withName(SUB_GER, null)),
+                        Set.of("commentary"),
+                        Map.ofEntries(on(withName(SUB_GER, "commentary")))
+                ),
+                Arguments.of(List.of(withName(SUB_GER, "commentary")),
+                        Set.of("commentary"),
+                        Map.ofEntries(on(withName(SUB_GER, "commentary")))
+                ),
+                Arguments.of(List.of(withName(AUDIO_GER_COMMENTARY, "commentary")),
+                        Set.of("commentary"),
+                        Map.ofEntries()
+                ),
+                Arguments.of(List.of(AUDIO_GER_COMMENTARY, withName(SUB_GER, "commentary")),
+                        Set.of("commentary"),
+                        Map.ofEntries(on(withName(SUB_GER, "commentary")))
+                )
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("findAndApplyCommentaryTracks")
+    void findAndApplyCommentaryTracks(List<TrackAttributes> tracks, Set<String> keywords, Map<TrackAttributes, Boolean> changes) {
+        AttributeChangeProcessor attributeChangeProcessor = new AttributeChangeProcessor(new String[]{}, Set.of(), keywords, Set.of());
+
+        FileInfo fileInfo = new FileInfo(null);
+        fileInfo.addTracks(tracks);
+        attributeChangeProcessor.findAndApplyCommentaryTracks(fileInfo);
+
+        assertEquals(changes.size(), fileInfo.getChanges().getCommentaryTrack().size());
+        changes.forEach((key, value) -> {
+            assertTrue(fileInfo.getChanges().getCommentaryTrack().containsKey(key));
+            assertEquals(value, fileInfo.getChanges().getCommentaryTrack().get(key));
+        });
+    }
+
+    private static Stream<Arguments> findAndApplyHearingImpairedTracks() {
+        return Stream.of(
+                Arguments.of(List.of(withName(SUB_GER, "SDH"), withName(SUB_GER, null)),
+                        Set.of("SDH"),
+                        Map.ofEntries(on(withName(SUB_GER, "SDH")))
+                ),
+                Arguments.of(List.of(withName(SUB_GER, "SDH")),
+                        Set.of("SDH"),
+                        Map.ofEntries(on(withName(SUB_GER, "SDH")))
+                ),
+                Arguments.of(List.of(withName(AUDIO_GER_HEARING, "SDH")),
+                        Set.of("SDH"),
+                        Map.ofEntries()
+                ),
+                Arguments.of(List.of(AUDIO_GER_HEARING, withName(SUB_GER, "SDH")),
+                        Set.of("SDH"),
+                        Map.ofEntries(on(withName(SUB_GER, "SDH")))
+                )
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("findAndApplyHearingImpairedTracks")
+    void findAndApplyHearingImpairedTracks(List<TrackAttributes> tracks, Set<String> keywords, Map<TrackAttributes, Boolean> changes) {
+        AttributeChangeProcessor attributeChangeProcessor =  new AttributeChangeProcessor(new String[]{}, Set.of(), Set.of(), keywords);
+
+        FileInfo fileInfo = new FileInfo(null);
+        fileInfo.addTracks(tracks);
+        attributeChangeProcessor.findAndApplyHearingImpairedTracks(fileInfo);
+
+        assertEquals(changes.size(), fileInfo.getChanges().getHearingImpairedTrack().size());
+        changes.forEach((key, value) -> {
+            assertTrue(fileInfo.getChanges().getHearingImpairedTrack().containsKey(key));
+            assertEquals(value, fileInfo.getChanges().getHearingImpairedTrack().get(key));
+        });
+    }
+}

src/test/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/processors/AttributeUpdaterTest.java

@@ -0,0 +1,66 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.processors;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.LastExecutionHandler;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.*;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+
+import java.io.File;
+import java.util.List;
+import java.util.function.Supplier;
+import java.util.stream.Stream;
+
+import static at.pcgamingfreaks.mkvaudiosubtitlechanger.util.TrackAttributeUtil.AUDIO_GER;
+import static at.pcgamingfreaks.mkvaudiosubtitlechanger.util.PathUtils.TEST_FILE;
+import static org.junit.jupiter.api.Assertions.*;
+
+class AttributeUpdaterTest {
+
+    @BeforeEach
+    void setup() {
+        ResultStatistic.getInstance(true);
+    }
+
+    private static Stream<Arguments> checkStatusAndUpdate() {
+        return Stream.of(
+                Arguments.of(info(new AttributeConfig("ger", "ger"), AUDIO_GER), supplier(() -> ResultStatistic.getInstance().getChangePlanned())),
+                Arguments.of(info(new AttributeConfig("ger", "ger"), null), supplier(() -> ResultStatistic.getInstance().getUnchanged())),
+                Arguments.of(info(null, null), supplier(() -> ResultStatistic.getInstance().getUnchanged()))
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("checkStatusAndUpdate")
+    void checkStatusAndUpdate(FileInfo fileInfo, Supplier<Integer> getActual) {
+        InputConfig config = new InputConfig();
+        config.setThreads(1);
+        config.setSafeMode(true);
+        AttributeUpdater underTest = new AttributeUpdater(config, null, null, new LastExecutionHandler("")) {
+            @Override
+            protected List<File> getFiles() {
+                return List.of();
+            }
+
+            @Override
+            protected void process(File file) {
+
+            }
+        };
+
+        underTest.checkStatusAndUpdate(fileInfo);
+        assertEquals(1, getActual.get());
+    }
+
+    private static Supplier<Integer> supplier(Supplier<Integer> supplier)  {
+        return supplier;
+    }
+
+    private static FileInfo info(AttributeConfig config, TrackAttributes attr) {
+        FileInfo fileInfo = new FileInfo(new File(TEST_FILE));
+        fileInfo.setMatchedConfig(config);
+        if(attr != null) fileInfo.getChanges().getDefaultTrack().put(attr, true);
+        return fileInfo;
+    }
+}

src/test/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/processors/CoherentAttributeUpdaterTest.java

@@ -0,0 +1,219 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.processors;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.CommandRunner;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.LastExecutionHandler;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.AttributeConfig;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.FileInfo;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.InputConfig;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.TrackAttributes;
+import org.apache.commons.lang3.tuple.Pair;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import picocli.CommandLine;
+
+import java.io.File;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.*;
+import java.util.stream.Stream;
+
+import static at.pcgamingfreaks.mkvaudiosubtitlechanger.util.PathUtils.TEST_DIR;
+import static at.pcgamingfreaks.mkvaudiosubtitlechanger.util.TrackAttributeUtil.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.*;
+
+@ExtendWith(MockitoExtension.class)
+class CoherentAttributeUpdaterTest {
+    @Mock(lenient = true)
+    FileProcessor fileProcessor;
+
+    private static Stream<Arguments> findMatch() {
+        return Stream.of(
+                Arguments.of(AttributeConfig.of("ger", "ger"),
+                        List.of(), false, 0),
+                Arguments.of(AttributeConfig.of("ger", "ger"),
+                        List.of(fileInfoMock("test.mkv", AUDIO_GER, SUB_GER)), true, 1),
+                Arguments.of(AttributeConfig.of("ger", "ger"),
+                        List.of(fileInfoMock("test.mkv", AUDIO_GER, SUB_GER),
+                                fileInfoMock("test2.mkv", AUDIO_GER, SUB_GER)), true, 2),
+                Arguments.of(AttributeConfig.of("ger", "ger"),
+                        List.of(fileInfoMock("test.mkv", AUDIO_GER, SUB_GER),
+                                fileInfoMock("test2.mkv", AUDIO_ENG, SUB_ENG)), false, 1),
+                Arguments.of(AttributeConfig.of("ger", "ger"),
+                        List.of(fileInfoMock("test.mkv", AUDIO_GER, SUB_GER),
+                                fileInfoMock("test2.mkv", AUDIO_GER, SUB_GER),
+                                fileInfoMock("test3.mkv", AUDIO_GER, SUB_GER),
+                                fileInfoMock("test4.mkv", AUDIO_GER, SUB_GER),
+                                fileInfoMock("test5.mkv", AUDIO_ENG, SUB_ENG)), false, 4),
+                Arguments.of(AttributeConfig.of("ger", "ger"),
+                        List.of(fileInfoMock("test.mkv", AUDIO_GER, SUB_GER),
+                                fileInfoMock("test2.mkv", AUDIO_ENG, SUB_GER),
+                                fileInfoMock("test3.mkv", AUDIO_GER, SUB_GER),
+                                fileInfoMock("test4.mkv", AUDIO_GER, SUB_GER),
+                                fileInfoMock("test5.mkv", AUDIO_GER, SUB_ENG)), false, 1)
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("findMatch")
+    void findMatch(AttributeConfig attributeConfig, List<Pair<File, FileInfo>> fileInfoMock, boolean expectedMatch, int expectedMatchCount) throws InvocationTargetException, IllegalAccessException {
+        CommandRunner commandRunner = new CommandRunner();
+        new CommandLine(commandRunner).parseArgs("-a", "ger:ger", "/arst");
+        InputConfig config = commandRunner.getConfig();
+        AttributeChangeProcessor attributeChangeProcessor = new AttributeChangeProcessor(config.getPreferredSubtitles().toArray(new String[0]), config.getForcedKeywords(), config.getCommentaryKeywords(), config.getHearingImpaired());
+        LastExecutionHandler lastExecutionHandler = new LastExecutionHandler("");
+        CoherentAttributeUpdater updater = new CoherentAttributeUpdater(config, fileProcessor, attributeChangeProcessor, lastExecutionHandler);
+        Set<FileInfo> matchedFiles = new HashSet<>(fileInfoMock.size() * 2);
+
+        List<File> files = new ArrayList<>();
+        for (Pair<File, FileInfo> pair : fileInfoMock) {
+            when(fileProcessor.readAttributes(pair.getKey())).thenReturn(pair.getRight());
+            files.add(pair.getKey());
+        }
+
+        Method underTest = Arrays.stream(updater.getClass().getDeclaredMethods()).filter(m -> "findMatch".equals(m.getName())).findFirst().get();
+        underTest.setAccessible(true);
+        AttributeConfig actualMatch = (AttributeConfig) underTest.invoke(updater, attributeConfig, matchedFiles, files);
+
+        assertEquals(expectedMatch ? attributeConfig : null, actualMatch, "Matched AttributeConfig");
+        assertEquals(expectedMatchCount, matchedFiles.size(), "Matched files count");
+    }
+
+    private static Pair<File, FileInfo> fileInfoMock(String path, TrackAttributes... tracks) {
+        File file = new File(path);
+        FileInfo fileInfo = new FileInfo(file);
+        fileInfo.addTracks(List.of(tracks));
+        return Pair.of(file, fileInfo);
+    }
+
+    private static Stream<Arguments> process() {
+        return Stream.of(
+                Arguments.of(
+                        arr(a("ger:ger")), a("ger:ger"),
+                        List.of(
+                                List.of(AUDIO_GER, SUB_GER),
+                                List.of(AUDIO_GER, SUB_GER)
+                        ),
+                        List.of(
+                                Map.ofEntries(on(AUDIO_GER), on(SUB_GER)),
+                                Map.ofEntries(on(AUDIO_GER), on(SUB_GER))
+                        ),
+                        List.of(
+                                Map.ofEntries(),
+                                Map.ofEntries()
+                        ),
+                        List.of(
+                                Map.ofEntries(),
+                                Map.ofEntries()
+                        ),
+                        List.of(
+                                Map.ofEntries(),
+                                Map.ofEntries()
+                        )
+                ),
+                Arguments.of(
+                        arr(a("eng:eng"), a("ger:ger")), a("ger:ger"),
+                        List.of(
+                                List.of(SUB_ENG, AUDIO_GER, SUB_GER),
+                                List.of(AUDIO_ENG, SUB_ENG, AUDIO_GER, SUB_GER)
+                        ),
+                        List.of(
+                                Map.ofEntries(on(AUDIO_GER), on(SUB_GER)),
+                                Map.ofEntries(on(AUDIO_GER), on(SUB_GER))
+                        ),
+                        List.of(
+                                Map.ofEntries(),
+                                Map.ofEntries()
+                        ),
+                        List.of(
+                                Map.ofEntries(),
+                                Map.ofEntries()
+                        ),
+                        List.of(
+                                Map.ofEntries(),
+                                Map.ofEntries()
+                        )
+                ),
+                Arguments.of(
+                        arr(a("eng:eng"), a("ger:ger")), a("eng:eng"),
+                        List.of(
+                                List.of(AUDIO_ENG, withName(SUB_ENG, "SDH"), AUDIO_GER, SUB_GER),
+                                List.of(AUDIO_ENG, SUB_ENG, AUDIO_GER, SUB_GER)
+                        ),
+                        List.of(
+                                Map.ofEntries(on(AUDIO_ENG), on(withName(SUB_ENG, "SDH"))),
+                                Map.ofEntries(on(AUDIO_ENG), on(SUB_ENG))
+                        ),
+                        List.of(
+                                Map.ofEntries(),
+                                Map.ofEntries()
+                        ),
+                        List.of(
+                                Map.ofEntries(),
+                                Map.ofEntries()
+                        ),
+                        List.of(
+                                Map.ofEntries(on(withName(SUB_ENG, "SDH"))),
+                                Map.ofEntries()
+                        )
+                )
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("process")
+    void process(AttributeConfig[] attributeConfigs, AttributeConfig expectedMatch,
+                 List<List<TrackAttributes>> tracks,
+                 List<Map<TrackAttributes, Boolean>> defaultExp,
+                 List<Map<TrackAttributes, Boolean>> forcedExp,
+                 List<Map<TrackAttributes, Boolean>> commentaryExp,
+                 List<Map<TrackAttributes, Boolean>> hearingImpairedExp) {
+        InputConfig config = new InputConfig();
+        config.setThreads(1);
+        config.setSafeMode(true);
+        config.setAttributeConfig(attributeConfigs);
+        FileProcessor fileProcessor = spy(FileProcessor.class);
+
+        List<File> testMkvFiles = new ArrayList<>();
+        List<FileInfo> testFileInfo = new ArrayList<>();
+        for (int i = 0; i < tracks.size(); i++) {
+            List<TrackAttributes> tracks1 = tracks.get(i);
+            File file = new File(TEST_DIR + i);
+            FileInfo fileInfo = new FileInfo(file);
+            fileInfo.addTracks(tracks1);
+            doReturn(fileInfo).when(fileProcessor).readAttributes(file);
+
+            testMkvFiles.add(file);
+            testFileInfo.add(fileInfo);
+        }
+        doReturn(testMkvFiles).when(fileProcessor).loadFiles(any());
+
+        AttributeChangeProcessor attributeChangeProcessor = new AttributeChangeProcessor(new String[]{"pref"}, Set.of("forced"), Set.of("commentary"), Set.of("SDH"));
+        LastExecutionHandler lastExecutionHandler = new LastExecutionHandler("");
+        CoherentAttributeUpdater underTest = new CoherentAttributeUpdater(config, fileProcessor, attributeChangeProcessor, lastExecutionHandler);
+
+        underTest.process(new File(""));
+
+        for (int i = 0; i < testFileInfo.size(); i++) {
+            FileInfo fileInfo = testFileInfo.get(i);
+            assertEquals(expectedMatch, fileInfo.getMatchedConfig());
+            assertEquals(fileInfo.getChanges().getDefaultTrack().size(), defaultExp.get(i).size());
+            defaultExp.get(i).forEach((key, val) -> assertEquals(val, fileInfo.getChanges().getDefaultTrack().get(key), "Default track flag"));
+
+            assertEquals(fileInfo.getChanges().getForcedTrack().size(), forcedExp.get(i).size());
+            forcedExp.get(i).forEach((key, val) -> assertEquals(val, fileInfo.getChanges().getForcedTrack().get(key), "Forced track flag"));
+
+            assertEquals(fileInfo.getChanges().getCommentaryTrack().size(), commentaryExp.get(i).size());
+            commentaryExp.get(i).forEach((key, val) -> assertEquals(val, fileInfo.getChanges().getCommentaryTrack().get(key), "Commentary track flag"));
+
+            assertEquals(fileInfo.getChanges().getHearingImpairedTrack().size(), hearingImpairedExp.get(i).size());
+            hearingImpairedExp.get(i).forEach((key, val) -> assertEquals(val, fileInfo.getChanges().getHearingImpairedTrack().get(key), "Hearing Impaired track flag"));
+        }
+
+    }
+}

src/test/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/processors/MkvFileProcessorTest.java

@@ -0,0 +1,135 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.processors;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.FileInfo;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.TrackAttributes;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.TrackType;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+import java.io.ByteArrayInputStream;
+import java.io.File;
+import java.io.IOException;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.nio.charset.StandardCharsets;
+import java.util.Arrays;
+
+import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+
+@ExtendWith(MockitoExtension.class)
+class MkvFileProcessorTest {
+
+    @Test
+    void readAttributes() throws IOException {
+        String mkvmergeResponse = """
+                {
+                  "tracks": [
+                    {
+                      "id": 0,
+                      "properties": {
+                        "default_track": true,
+                        "enabled_track": true,
+                        "forced_track": false,
+                        "language": "jpn",
+                        "number": 1
+                      },
+                      "type": "video"
+                    },
+                    {
+                      "id": 1,
+                      "properties": {
+                        "track_name": "testing",
+                        "default_track": true,
+                        "enabled_track": true,
+                        "forced_track": false,
+                        "language": "jpn",
+                        "number": 2
+                      },
+                      "type": "audio"
+                    },
+                    {
+                      "id": 2,
+                      "properties": {
+                        "default_track": true,
+                        "enabled_track": true,
+                        "forced_track": false,
+                        "commentary_track": true,
+                        "flag_hearing_impaired": true,
+                        "language": "eng",
+                        "number": 3
+                      },
+                      "type": "subtitles"
+                    }
+                  ]
+                }
+                """;
+
+        MkvFileProcessor underTest = spy(new MkvFileProcessor(new File("mkvtoolnix"), null));
+        doReturn(new ByteArrayInputStream(mkvmergeResponse.getBytes(StandardCharsets.UTF_8)))
+                .when(underTest).run(any(String[].class));
+
+        FileInfo result = underTest.readAttributes(new File("arst"));
+
+        TrackAttributes audio = result.getAudioTracks().get(0);
+        assertEquals(2, audio.id());
+        assertEquals("testing", audio.trackName());
+        assertEquals("jpn", audio.language());
+        assertTrue(audio.defaultt());
+        assertFalse(audio.forced());
+        assertFalse(audio.hearingImpaired());
+        assertFalse(audio.commentary());
+        assertEquals(TrackType.AUDIO, audio.type());
+
+        TrackAttributes sub = result.getSubtitleTracks().get(0);
+        assertEquals(3, sub.id());
+        assertNull(sub.trackName());
+        assertEquals("eng", sub.language());
+        assertTrue(sub.defaultt());
+        assertFalse(sub.forced());
+        assertTrue(sub.hearingImpaired());
+        assertTrue(sub.commentary());
+        assertEquals(TrackType.SUBTITLES, sub.type());
+    }
+
+    @Test
+    void getUpdateCommand() throws InvocationTargetException, IllegalAccessException {
+        FileInfo fileInfo = new FileInfo(new File("./"));
+        fileInfo.getChanges().getDefaultTrack().put(t(1), true);
+        fileInfo.getChanges().getDefaultTrack().put(t(2), false);
+        fileInfo.getChanges().getForcedTrack().put(t(3), true);
+        fileInfo.getChanges().getForcedTrack().put(t(4), false);
+        fileInfo.getChanges().getCommentaryTrack().put(t(5), true);
+        fileInfo.getChanges().getCommentaryTrack().put(t(6), false);
+        fileInfo.getChanges().getHearingImpairedTrack().put(t(7), true);
+        fileInfo.getChanges().getHearingImpairedTrack().put(t(8), false);
+        String[] expectedCommand = """
+                --edit track:1 --set flag-default=1
+                --edit track:2 --set flag-default=0
+                --edit track:3 --set flag-forced=1
+                --edit track:4 --set flag-forced=0
+                --edit track:5 --set flag-commentary=1
+                --edit track:6 --set flag-commentary=0
+                --edit track:7 --set flag-hearing-impaired=1
+                --edit track:8 --set flag-hearing-impaired=0
+                """.split("\\n");
+
+        MkvFileProcessor mkvFileProcessor = new MkvFileProcessor(new File("mkvtoolnix"), null);
+        Method underTest = Arrays.stream(mkvFileProcessor.getClass().getDeclaredMethods()).filter(m -> "getUpdateCommand".equals(m.getName())).findFirst().get();
+        underTest.setAccessible(true);
+        String[] actualCommand = (String[]) underTest.invoke(mkvFileProcessor, fileInfo);
+        String[] trimmedActualCommand = Arrays.copyOfRange(actualCommand, 2, actualCommand.length);
+        String actualCommandString = String.join(" ", trimmedActualCommand);
+        assertTrue(expectedCommand.length * 4 == trimmedActualCommand.length, "Command length is equal");
+        for (String commandPart: expectedCommand) {
+            assertTrue(actualCommandString.contains(commandPart));
+        }
+    }
+
+    private static TrackAttributes t(int id) {
+        return new TrackAttributes(id, "", "", false, false, false, false, TrackType.AUDIO);
+    }
+}

src/test/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/processors/SingleFileAttributeUpdaterTest.java

@@ -0,0 +1,98 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.processors;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.LastExecutionHandler;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.AttributeConfig;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.FileInfo;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.InputConfig;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.TrackAttributes;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+
+import java.io.File;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Stream;
+
+import static at.pcgamingfreaks.mkvaudiosubtitlechanger.util.PathUtils.TEST_DIR;
+import static at.pcgamingfreaks.mkvaudiosubtitlechanger.util.TrackAttributeUtil.*;
+import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.*;
+
+class SingleFileAttributeUpdaterTest {
+
+    private static Stream<Arguments> process() {
+        return Stream.of(
+                Arguments.of(
+                        arr(a("ger:OFF")), a("ger:OFF"),
+                        List.of(AUDIO_GER, SUB_GER_FORCED),
+                        Map.ofEntries(on(AUDIO_GER), on(SUB_GER_FORCED)),
+                        Map.ofEntries(),
+                        Map.ofEntries(),
+                        Map.ofEntries()
+                ),
+                Arguments.of(
+                        arr(a("ger:ger")), a("ger:ger"),
+                        List.of(AUDIO_GER, SUB_GER, withName(AUDIO_GER, "SDH"), withName(AUDIO_GER, "commentary"), withName(SUB_GER, "Forced")),
+                        Map.ofEntries(on(AUDIO_GER), on(SUB_GER)),
+                        Map.ofEntries(on(withName(SUB_GER, "Forced"))),
+                        Map.ofEntries(on(withName(AUDIO_GER, "commentary"))),
+                        Map.ofEntries(on(withName(AUDIO_GER, "SDH")))
+                ),
+                Arguments.of(
+                        arr(a("ger:OFF")), a("ger:OFF"),
+                        List.of(AUDIO_GER, SUB_GER, withName(AUDIO_GER, "SDH"), withName(AUDIO_GER, "commentary"), withName(SUB_GER, "Forced")),
+                        Map.ofEntries(on(AUDIO_GER), on(withName(SUB_GER, "Forced"))),
+                        Map.ofEntries(on(withName(SUB_GER, "Forced"))),
+                        Map.ofEntries(on(withName(AUDIO_GER, "commentary"))),
+                        Map.ofEntries(on(withName(AUDIO_GER, "SDH")))
+                ),
+                Arguments.of(
+                        arr(a("ger:eng")), null,
+                        List.of(AUDIO_GER, SUB_GER, withName(AUDIO_GER, "SDH"), withName(AUDIO_GER, "commentary"), withName(SUB_GER, "Forced")),
+                        Map.ofEntries(),
+                        Map.ofEntries(on(withName(SUB_GER, "Forced"))),
+                        Map.ofEntries(on(withName(AUDIO_GER, "commentary"))),
+                        Map.ofEntries(on(withName(AUDIO_GER, "SDH")))
+                )
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("process")
+    void process(AttributeConfig[] attributeConfigs, AttributeConfig expectedMatch,
+                 List<TrackAttributes> tracks,
+                 Map<TrackAttributes, Boolean> defaultExp,
+                 Map<TrackAttributes, Boolean> forcedExp,
+                 Map<TrackAttributes, Boolean> commentaryExp,
+                 Map<TrackAttributes, Boolean> hearingImpairedExp) {
+        InputConfig config = new InputConfig();
+        config.setThreads(1);
+        config.setSafeMode(true);
+        config.setAttributeConfig(attributeConfigs);
+        FileInfo fileInfo = new FileInfo(new File(TEST_DIR));
+        fileInfo.addTracks(tracks);
+        FileProcessor fileProcessor = spy(FileProcessor.class);
+        doReturn(fileInfo).when(fileProcessor).readAttributes(any());
+        AttributeChangeProcessor attributeChangeProcessor = new AttributeChangeProcessor(new String[]{"pref"}, Set.of("forced"), Set.of("commentary"), Set.of("SDH"));
+        LastExecutionHandler lastExecutionHandler = new LastExecutionHandler("");
+        SingleFileAttributeUpdater underTest = new SingleFileAttributeUpdater(config, fileProcessor, attributeChangeProcessor, lastExecutionHandler);
+
+        underTest.process(fileInfo.getFile());
+
+        assertEquals(expectedMatch, fileInfo.getMatchedConfig());
+        assertEquals(fileInfo.getChanges().getDefaultTrack().size(), defaultExp.size());
+        defaultExp.forEach((key, val) -> assertEquals(val, fileInfo.getChanges().getDefaultTrack().get(key), "Default track flag"));
+
+        assertEquals(fileInfo.getChanges().getForcedTrack().size(), forcedExp.size());
+        forcedExp.forEach((key, val) -> assertEquals(val, fileInfo.getChanges().getForcedTrack().get(key), "Forced track flag"));
+
+        assertEquals(fileInfo.getChanges().getCommentaryTrack().size(), commentaryExp.size());
+        commentaryExp.forEach((key, val) -> assertEquals(val, fileInfo.getChanges().getCommentaryTrack().get(key), "Commentary track flag"));
+
+        assertEquals(fileInfo.getChanges().getHearingImpairedTrack().size(), hearingImpairedExp.size());
+        hearingImpairedExp.forEach((key, val) -> assertEquals(val, fileInfo.getChanges().getHearingImpairedTrack().get(key), "Hearing Impaired track flag"));
+    }
+}

src/test/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/validation/ValidationExecutionStrategyTest.java

@@ -0,0 +1,60 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.validation;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.CommandRunner;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+import picocli.CommandLine;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.util.stream.Stream;
+
+import static at.pcgamingfreaks.mkvaudiosubtitlechanger.util.PathUtils.*;
+import static org.junit.jupiter.api.Assertions.*;
+
+class ValidationExecutionStrategyTest {
+
+    @Test
+    void validate() {
+        CommandRunner underTest = new CommandRunner();
+        new CommandLine(underTest)
+                .setExecutionStrategy(new ValidationExecutionStrategy())
+                .parseArgs("-a", "ger:ger", "-m", TEST_MKVTOOLNIX_DIR, TEST_FILE);
+
+        assertEquals(TEST_FILE, underTest.getConfig().getLibraryPath()[0].getPath().replace("\\", "/"));
+        assertEquals(TEST_MKVTOOLNIX_DIR, underTest.getConfig().getMkvToolNix().getPath().replace("\\", "/"));
+    }
+
+    private static Stream<Arguments> validateFailure() {
+        return Stream.of(
+                Arguments.of(new String[]{"-a", "jpn:ger"}, "Error: Missing required argument(s): <libraryPath>"),
+                Arguments.of(new String[]{"/arstarstarst"}, "libraryPath does not exist"),
+                Arguments.of(new String[]{TEST_DIR, "/arstarstarst"}, "libraryPath does not exist"),
+                Arguments.of(new String[]{"/arstarstarst", "-a",}, "Missing required parameter for option '--attribute-config' at index 0 (<attributeConfig>)"),
+                Arguments.of(new String[]{"/arstarstarst", "-a", "jpn:ger"}, "libraryPath does not exist"),
+                Arguments.of(new String[]{"/arstarstarst", "-m"}, "Missing required parameter for option '--mkvtoolnix' (<mkvToolNix>)"),
+                Arguments.of(new String[]{"./", "-m", TEST_INVALID_DIR}, "mkvToolNix does not exist"),
+                Arguments.of(new String[]{"./", "-t"}, "Missing required parameter for option '--threads' (<threads>)"),
+                Arguments.of(new String[]{"./", "-t", "0"}, "threads must be greater than or equal to 1"),
+                Arguments.of(new String[]{"./", "-t", "-1"}, "threads must be greater than or equal to 1"),
+                Arguments.of(new String[]{"./", "-c", "-1"}, "coherent must be greater than or equal to 0")
+        );
+    }
+
+    @ParameterizedTest
+    @MethodSource("validateFailure")
+    void validateFailure(String[] args, String expectedMessage) {
+        StringWriter writer = new StringWriter();
+        PrintWriter printWriter = new PrintWriter(writer);
+
+        new CommandLine(CommandRunner.class)
+                .setExecutionStrategy(new ValidationExecutionStrategy())
+                .setErr(printWriter)
+                .execute(args);
+
+        printWriter.flush();
+        assertEquals(expectedMessage, writer.toString().split("[\r\n]")[0]);
+    }
+}

src/test/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/util/PathUtils.java

@@ -0,0 +1,10 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.util;
+
+import org.apache.commons.lang3.SystemUtils;
+
+public class PathUtils {
+    public static final String TEST_DIR = "src/test/resources/test-dir";
+    public static final String TEST_FILE = "src/test/resources/test-dir/test-file.mkv";
+    public static final String TEST_INVALID_DIR = "src/test/resources/test-dir";
+    public static final String TEST_MKVTOOLNIX_DIR = SystemUtils.IS_OS_WINDOWS ? "src/test/resources/mkvtoolnix_exe" : "src/test/resources/mkvtoolnix";
+}

src/test/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/util/TestUtil.java

@@ -0,0 +1,12 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.util;
+
+public class TestUtil {
+
+    public static String[] args(String... args) {
+        String[] staticArray = new String[]{"-a", "jpn:ger", "/"};
+        String[] result = new String[staticArray.length + args.length];
+        System.arraycopy(args, 0, result, 0, args.length);
+        System.arraycopy(staticArray, 0, result, args.length, staticArray.length);
+        return result;
+    }
+}

src/test/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/util/TrackAttributeUtil.java

@@ -0,0 +1,51 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.util;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.AttributeConfig;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.TrackAttributes;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.TrackType;
+
+import java.util.Map;
+
+public class TrackAttributeUtil {
+    public static final TrackAttributes AUDIO_GER = new TrackAttributes(0, "ger", "", false, false, false, false, TrackType.AUDIO);
+    public static final TrackAttributes AUDIO_ENG = new TrackAttributes(1, "eng", "", false, false, false, false, TrackType.AUDIO);
+    public static final TrackAttributes AUDIO_GER_DEFAULT = new TrackAttributes(0, "ger", "", true, false, false, false, TrackType.AUDIO);
+    public static final TrackAttributes AUDIO_ENG_DEFAULT = new TrackAttributes(1, "eng", "", true, false, false, false, TrackType.AUDIO);
+    public static final TrackAttributes AUDIO_GER_FORCED = new TrackAttributes(0, "ger", "", false, true, false, false, TrackType.AUDIO);
+    public static final TrackAttributes AUDIO_ENG_FORCED = new TrackAttributes(1, "eng", "", false, true, false, false, TrackType.AUDIO);
+    public static final TrackAttributes AUDIO_GER_COMMENTARY = new TrackAttributes(0, "ger", "", false, false, true, false, TrackType.AUDIO);
+    public static final TrackAttributes AUDIO_ENG_COMMENTARY = new TrackAttributes(1, "eng", "", false, false, true, false, TrackType.AUDIO);
+    public static final TrackAttributes AUDIO_GER_HEARING = new TrackAttributes(0, "ger", "", false, false, false, true, TrackType.AUDIO);
+    public static final TrackAttributes AUDIO_ENG_HEARING = new TrackAttributes(1, "eng", "", false, false, false, true, TrackType.AUDIO);
+
+    public static final TrackAttributes SUB_GER = new TrackAttributes(0, "ger", "", false, false, false, false, TrackType.SUBTITLES);
+    public static final TrackAttributes SUB_ENG = new TrackAttributes(1, "eng", "", false, false, false, false, TrackType.SUBTITLES);
+    public static final TrackAttributes SUB_GER_DEFAULT = new TrackAttributes(0, "ger", "", true, false, false, false, TrackType.SUBTITLES);
+    public static final TrackAttributes SUB_ENG_DEFAULT = new TrackAttributes(1, "eng", "", true, false, false, false, TrackType.SUBTITLES);
+    public static final TrackAttributes SUB_GER_FORCED = new TrackAttributes(0, "ger", "", false, true, false, false, TrackType.SUBTITLES);
+    public static final TrackAttributes SUB_ENG_FORCED = new TrackAttributes(1, "eng", "", false, true, false, false, TrackType.SUBTITLES);
+    public static final TrackAttributes SUB_GER_HEARING = new TrackAttributes(0, "ger", "", false, false, false, true, TrackType.SUBTITLES);
+    public static final TrackAttributes SUB_ENG_HEARING = new TrackAttributes(1, "eng", "", false, false, false, true, TrackType.SUBTITLES);
+
+    public static TrackAttributes withName(TrackAttributes track, String trackName) {
+        return new TrackAttributes(track.id(), track.language(), trackName, track.defaultt(), track.forced(), track.commentary(), track.hearingImpaired(), track.type());
+    }
+
+    public static AttributeConfig[] arr(AttributeConfig... configs) {
+        return configs;
+    }
+
+    public static AttributeConfig a(String config) {
+        String[] split = config.split(":");
+        return new AttributeConfig(split[0], split[1]);
+    }
+
+    public static Map.Entry<TrackAttributes, Boolean> on(TrackAttributes track) {
+        return Map.entry(track, true);
+    }
+
+    public static Map.Entry<TrackAttributes, Boolean> off(TrackAttributes track) {
+        return Map.entry(track, false);
+    }
+
+}

src/wix/resources/main.wxs

@@ -0,0 +1,144 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi"
+     xmlns:util="http://schemas.microsoft.com/wix/UtilExtension">
+
+  <?ifdef JpIsSystemWide ?>
+    <?define JpInstallScope="perMachine"?>
+  <?else?>
+    <?define JpInstallScope="perUser"?>
+  <?endif?>
+
+  <?define JpProductLanguage=1033 ?>
+  <?define JpInstallerVersion=200 ?>
+  <?define JpCompressedMsi=yes ?>
+
+  <?ifdef JpAllowUpgrades ?>
+    <?define JpUpgradeVersionOnlyDetectUpgrade="no"?>
+  <?else?>
+    <?define JpUpgradeVersionOnlyDetectUpgrade="yes"?>
+  <?endif?>
+  <?ifdef JpAllowDowngrades ?>
+    <?define JpUpgradeVersionOnlyDetectDowngrade="no"?>
+  <?else?>
+    <?define JpUpgradeVersionOnlyDetectDowngrade="yes"?>
+  <?endif?>
+
+  <?define JpProductCode="*"?>
+  <?define JpAppName="${project.artifactId}"?>
+  <?define JpAppVersion="${project.version}"?>
+  <?define JpAppVendor="${project.maintainer}"?>
+  <?define JpProductUpgradeCode="a9527300-d364-4cc3-a392-94035065d8c9"?>
+  <?define JpAppDescription="${project.description}"?>
+  <?define JpHelpURL="github.com/${project.maintainer}/${project.artifactId}"?>
+
+  <Product
+    Id="$(var.JpProductCode)"
+    Name="$(var.JpAppName)"
+    Language="$(var.JpProductLanguage)"
+    Version="$(var.JpAppVersion)"
+    Manufacturer="$(var.JpAppVendor)"
+    UpgradeCode="$(var.JpProductUpgradeCode)">
+
+    <Package
+      Description="$(var.JpAppDescription)"
+      Manufacturer="$(var.JpAppVendor)"
+      InstallerVersion="$(var.JpInstallerVersion)"
+      Compressed="$(var.JpCompressedMsi)"
+      InstallScope="$(var.JpInstallScope)" Platform="x64"
+    />
+
+    <Media Id="1" Cabinet="Data.cab" EmbedCab="yes" />
+
+    <Upgrade Id="$(var.JpProductUpgradeCode)">
+      <UpgradeVersion
+        OnlyDetect="$(var.JpUpgradeVersionOnlyDetectUpgrade)"
+        Property="JP_UPGRADABLE_FOUND"
+        Maximum="$(var.JpAppVersion)"
+        MigrateFeatures="yes"
+        IncludeMaximum="$(var.JpUpgradeVersionOnlyDetectUpgrade)" />
+      <UpgradeVersion
+        OnlyDetect="$(var.JpUpgradeVersionOnlyDetectDowngrade)"
+        Property="JP_DOWNGRADABLE_FOUND"
+        Minimum="$(var.JpAppVersion)"
+        MigrateFeatures="yes"
+        IncludeMinimum="$(var.JpUpgradeVersionOnlyDetectDowngrade)" />
+    </Upgrade>
+
+    <?ifndef JpAllowUpgrades ?>
+    <CustomAction Id="JpDisallowUpgrade" Error="!(loc.DisallowUpgradeErrorMessage)" />
+    <?endif?>
+    <?ifndef JpAllowDowngrades ?>
+    <CustomAction Id="JpDisallowDowngrade" Error="!(loc.DowngradeErrorMessage)" />
+    <?endif?>
+
+    <Binary Id="JpCaDll" SourceFile="wixhelper.dll"/>
+
+    <CustomAction Id="JpFindRelatedProducts" BinaryKey="JpCaDll" DllEntry="FindRelatedProductsEx" />
+
+    <!-- Standard required root -->
+    <Directory Id="TARGETDIR" Name="SourceDir"/>
+
+    <Feature Id="DefaultFeature" Title="!(loc.MainFeatureTitle)" Level="1">
+      <ComponentGroupRef Id="Shortcuts"/>
+      <ComponentGroupRef Id="Files"/>
+      <ComponentGroupRef Id="FileAssociations"/>
+      <Component Id="pathEnvironmentVariable" Guid="$(var.JpProductUpgradeCode)" KeyPath="yes" Directory="TARGETDIR">
+        <Environment Id="MyPathVariable" Name="Path" Value="[INSTALLDIR]" Action="set" System="no" Permanent="no" Part="last" Separator=";" />
+      </Component>
+    </Feature>
+
+    <CustomAction Id="JpSetARPINSTALLLOCATION" Property="ARPINSTALLLOCATION" Value="[INSTALLDIR]" />
+    <CustomAction Id="JpSetARPCOMMENTS" Property="ARPCOMMENTS" Value="$(var.JpAppDescription)" />
+    <CustomAction Id="JpSetARPCONTACT" Property="ARPCONTACT" Value="$(var.JpAppVendor)" />
+<!--     <CustomAction Id="JpSetARPSIZE" Property="ARPSIZE" Value="$(var.JpAppSizeKb)" /> -->
+
+    <?ifdef JpHelpURL ?>
+      <CustomAction Id="JpSetARPHELPLINK" Property="ARPHELPLINK" Value="$(var.JpHelpURL)" />
+    <?endif?>
+
+    <?ifdef JpAboutURL ?>
+      <CustomAction Id="JpSetARPURLINFOABOUT" Property="ARPURLINFOABOUT" Value="$(var.JpAboutURL)" />
+    <?endif?>
+
+    <?ifdef JpUpdateURL ?>
+      <CustomAction Id="JpSetARPURLUPDATEINFO" Property="ARPURLUPDATEINFO" Value="$(var.JpUpdateURL)" />
+    <?endif?>
+
+    <?ifdef JpIcon ?>
+    <Property Id="ARPPRODUCTICON" Value="JpARPPRODUCTICON"/>
+    <Icon Id="JpARPPRODUCTICON" SourceFile="$(var.JpIcon)"/>
+    <?endif?>
+
+    <UIRef Id="JpUI"/>
+
+    <InstallExecuteSequence>
+      <Custom Action="JpSetARPINSTALLLOCATION" After="CostFinalize">Not Installed</Custom>
+      <Custom Action="JpSetARPCOMMENTS" After="CostFinalize">Not Installed</Custom>
+      <Custom Action="JpSetARPCONTACT" After="CostFinalize">Not Installed</Custom>
+<!--       <Custom Action="JpSetARPSIZE" After="CostFinalize">Not Installed</Custom> -->
+      <?ifdef JpHelpURL ?>
+        <Custom Action="JpSetARPHELPLINK" After="CostFinalize">Not Installed</Custom>
+      <?endif?>
+      <?ifdef JpAboutURL ?>
+        <Custom Action="JpSetARPURLINFOABOUT" After="CostFinalize">Not Installed</Custom>
+      <?endif?>
+      <?ifdef JpUpdateURL ?>
+        <Custom Action="JpSetARPURLUPDATEINFO" After="CostFinalize">Not Installed</Custom>
+      <?endif?>
+
+      <?ifndef JpAllowUpgrades ?>
+      <Custom Action="JpDisallowUpgrade" After="JpFindRelatedProducts">JP_UPGRADABLE_FOUND</Custom>
+      <?endif?>
+      <?ifndef JpAllowDowngrades ?>
+      <Custom Action="JpDisallowDowngrade" After="JpFindRelatedProducts">JP_DOWNGRADABLE_FOUND</Custom>
+      <?endif?>
+      <RemoveExistingProducts Before="CostInitialize"/>
+      <Custom Action="JpFindRelatedProducts" After="FindRelatedProducts"/>
+    </InstallExecuteSequence>
+
+    <InstallUISequence>
+      <Custom Action="JpFindRelatedProducts" After="FindRelatedProducts"/>
+    </InstallUISequence>
+
+  </Product>
+</Wix>