package at.pcgamingfreaks.mkvaudiosubtitlechanger.model;

import lombok.AllArgsConstructor;
import org.apache.commons.cli.Option;

import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
import java.util.stream.Collectors;

@AllArgsConstructor
public enum ConfigProperty {
    LIBRARY("library-path", "Path to library", "l", 1),
    ATTRIBUTE_CONFIG("attribute-config", "Attribute config to decide which tracks to choose when", "a", Option.UNLIMITED_VALUES),
    CONFIG_PATH("config-path", "Path to config file", "p", 1),
    MKV_TOOL_NIX("mkvtoolnix", "Path to mkv tool nix installation", "m", 1),
    SAFE_MODE("safe-mode", "Test run (no files will be changes)", "s", 0),
    COHERENT("coherent", "Try to match all files in dir of depth with the same config", "c", 1),
    FORCE_COHERENT("force-coherent", "Force coherent and don't update anything if config fits not whole config (default: false)", "cf", 0),
    WINDOWS("windows", "Is operating system windows", null, 0),
    ONLY_NEW_FILES("only-new-files", "Sets filter-date to last successful execution (Overwrites input of filter-date)", "n", 0),
    FILTER_DATE("filter-date", "Only consider files created newer than entered date (format: \"dd.MM.yyyy-HH:mm:ss\")", "d", 1),
    THREADS("threads", "Thread count (default: 2)", "t", 1),
    INCLUDE_PATTERN("include-pattern", "Include files matching pattern (default: \".*\")", "i", 1),
    EXCLUDED_DIRECTORY("excluded-directories", "Directories to be excluded, combines with config file", "e", Option.UNLIMITED_VALUES),
    FORCED_KEYWORDS("forced-keywords", "Additional keywords to identify forced tracks", "fk", Option.UNLIMITED_VALUES),
    COMMENTARY_KEYWORDS("commentary-keywords", "Additional keywords to identify commentary tracks", "ck", Option.UNLIMITED_VALUES),
    PREFERRED_SUBTITLES("preferred-subtitles", "Additional keywords to prefer specific subtitle tracks", "ps", Option.UNLIMITED_VALUES),
    ARGUMENTS("arguments", "List of arguments", null, 0),
    VERSION("version", "Display version", "v", 0),
    HELP("help", "\"For help this is\" - Yoda", "h", 0);

    /*
     * Verify at startup that there are no duplicated shortParameters.
     */
    static {
        Set<String> shortParameters = new HashSet<>();
        for (String param : Arrays.stream(ConfigProperty.values()).map(ConfigProperty::abrv).collect(Collectors.toList())) {
            if (shortParameters.contains(param)) {
                throw new IllegalStateException("It is not allowed to have multiple properties with the same abbreviation!");
            }
            if (param != null) {
                shortParameters.add(param);
            }
        }
    }

    private final String property;
    private final String description;
    private final String shortParameter;
    private final int args;

    public String prop() {
        return property;
    }

    public String desc() {
        return description;
    }

    public String abrv() {
        return shortParameter;
    }

    public int args() {
        return args;
    }
}