public class MDMConfig {
    public static final ForgeConfigSpec SPEC;
    public static final MDMConfig CONFIG;
    public final ForgeConfigSpec.BooleanValue ALWAYS_DROP_XP;
    public final ForgeConfigSpec.BooleanValue USE_GLOBAL_XP_OVERRIDES;
    public final ForgeConfigSpec.BooleanValue BABIES_DROP_XP;
    public final ForgeConfigSpec.IntValue MIN_XP;
    public final ForgeConfigSpec.IntValue MAX_XP;
    public final ForgeConfigSpec.DoubleValue BABY_MULTIPLIER;
    public final ForgeConfigSpec.DoubleValue NOT_KILLED_BY_PLAYER_MULTIPLIER;
    public final ForgeConfigSpec.BooleanValue DROP_LOOT;
    public final ForgeConfigSpec.EnumValue<lootDropMode> LOOT_DROP_MODE;
    public final ForgeConfigSpec.ConfigValue<List<? extends String>> MOB_SPECIFIC_OVERRIDES;

    static {
        Pair<MDMConfig, ForgeConfigSpec> specPair = new ForgeConfigSpec.Builder().configure(MDMConfig::new);
        SPEC = specPair.getRight();
        CONFIG = specPair.getLeft();
    }

   MDMConfig(ForgeConfigSpec.Builder builder) {
        builder.comment("Config file for Mob Drop Master.");
        builder.push("Mob Drop Master - Settings").push("Global:");

        builder.comment("Whether mobs always drop experience regardless of cause of death.");
        ALWAYS_DROP_XP = builder.define("ALWAYS_DROP_XP", false);
        builder.comment("Whether mob experience drops are overriden globally.");
        USE_GLOBAL_XP_OVERRIDES = builder.define("USE_GLOBAL_XP_OVERRIDES", false);
        builder.comment("Whether babies will drop experience.");
        builder.comment("This setting to all baby mobs.");
        BABIES_DROP_XP = builder.define("BABIES_DROP_XP", false);
        builder.comment("The minimum experience a mob will drop.");
        MIN_XP = builder.defineInRange("MIN_XP", 0, 0, Integer.MAX_VALUE);
        builder.comment("The maximum experience a mob will drop.");
        MAX_XP = builder.defineInRange("MAX_XP", 0, 0, Integer.MAX_VALUE);
        builder.comment("Controls the amount of XP dropped when babies are killed.");
        BABY_MULTIPLIER = builder.defineInRange("BABY_MULTIPLIER", 0.5, 0.0, 99.9);
        builder.comment("Controls the amount of XP dropped when mobs are not killed by a player.");
        NOT_KILLED_BY_PLAYER_MULTIPLIER = builder.defineInRange("NOT_KILLED_BY_PLAYER_MULTIPLIER", 1.0, 0.0, 99.9);
        builder.comment("This setting controls whether mobs drop loot when they die.");
        DROP_LOOT = builder.define("DROP_LOOT", true);
        builder.comment("This setting controls whether the killed_by_player loot condition always passes, regardless of whether the entity was killed by a player.");
        LOOT_DROP_MODE = builder.defineEnum("LOOT_DROP_MODE", lootDropMode.VANILLA);
        builder.pop();

        builder.push("Mob Overrides:");
        builder.comment("Format: a:b=c,d,e,f,g,h,k,l");
        builder.comment("a: modid");
        builder.comment("b: entity");
        builder.comment("c: ALWAYS_DROP_XP");
        builder.comment("d: BABIES_DROP_XP");
        builder.comment("e: MIN_XP");
        builder.comment("f: MAX_XP");
        builder.comment("g: BABY_MULTIPLIER");
        builder.comment("h: NOT_KILLED_BY_PLAYER_MULTIPLIER");
        builder.comment("k: DROP_LOOT");
        builder.comment("l: LOOT_DROP_MODE");
        builder.comment("Example: minecraft:iron_golem=true,true,0,0,0.0,0.0,false,2");
        MOB_SPECIFIC_OVERRIDES = builder.defineListAllowEmpty("MOB_SPECIFIC_OVERRIDES", () -> Lists.newArrayList(""), e -> e instanceof String && ((String) e).contains(":") && ((String) e).contains(","));
        builder.pop();
    }

    public enum lootDropMode {
        ALWAYS_AS_PLAYER,
        NEVER_AS_PLAYER,
        VANILLA,
        VANILLA_INVERSE
    }

    public Object[] getOverride(String registryName) {
        for(String s : MOB_SPECIFIC_OVERRIDES.get()) {
            String[] parts = s.split("=|,|,|,|,|,|,|,");
            if (parts.length >= 9) {
                String name = parts[0];
                String alwaysDropXp = parts[1];
                String babiesDropXp = parts[2];
                String minXp = parts[3];
                String maxXp = parts[4];
                String babyMultiplier = parts[5];
                String multiplier = parts[6];
                String shouldMobDropLoot = parts[7];
                String mobLootDropCondition = parts[8];

                if (name.equalsIgnoreCase(registryName)) {
                    return new Object[]{name, Boolean.parseBoolean(alwaysDropXp), Boolean.parseBoolean(babiesDropXp), Integer.parseInt(minXp), Integer.parseInt(maxXp), Double.parseDouble(babyMultiplier), Double.parseDouble(multiplier), Boolean.parseBoolean(shouldMobDropLoot), Integer.parseInt(mobLootDropCondition)};
                }
            }
        }
        return null;
    }
}