package dev.micle.xptools.config;

import dev.micle.xptools.XpTools;
import net.minecraftforge.common.ForgeConfigSpec;
import net.minecraftforge.eventbus.api.SubscribeEvent;
import net.minecraftforge.fml.common.Mod;
import net.minecraftforge.fml.config.ModConfig;
import net.minecraftforge.fml.event.config.ModConfigEvent;
import org.apache.commons.lang3.tuple.Pair;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

@Mod.EventBusSubscriber(modid = XpTools.MOD_ID, bus = Mod.EventBusSubscriber.Bus.MOD)
public final class Config {
    public static final Client CLIENT;
    public static final ForgeConfigSpec CLIENT_SPEC;
    public static final Common COMMON;
    public static final ForgeConfigSpec COMMON_SPEC;
    public static final Server SERVER;
    public static final ForgeConfigSpec SERVER_SPEC;

    static {
        Pair<Client, ForgeConfigSpec> clientSpecPair = new ForgeConfigSpec.Builder().configure(Client::new);
        CLIENT = clientSpecPair.getLeft();
        CLIENT_SPEC = clientSpecPair.getRight();

        Pair<Common, ForgeConfigSpec> commonSpecPair = new ForgeConfigSpec.Builder().configure(Common::new);
        COMMON = commonSpecPair.getLeft();
        COMMON_SPEC = commonSpecPair.getRight();

        Pair<Server, ForgeConfigSpec> serverSpecPair = new ForgeConfigSpec.Builder().configure(Server::new);
        SERVER = serverSpecPair.getLeft();
        SERVER_SPEC = serverSpecPair.getRight();
    }

    public static void register() {
        XpTools.getFMLJavaModLoadingContext().registerConfig(ModConfig.Type.CLIENT, CLIENT_SPEC);
        XpTools.getFMLJavaModLoadingContext().registerConfig(ModConfig.Type.COMMON, COMMON_SPEC);
        XpTools.getFMLJavaModLoadingContext().registerConfig(ModConfig.Type.SERVER, SERVER_SPEC);
    }

    @SubscribeEvent
    public static void onConfigReloadEvent(ModConfigEvent event) {
        if (event.getConfig().getSpec() == CLIENT_SPEC) {
            Client.onConfigReload();
        } else if (event.getConfig().getSpec() == COMMON_SPEC) {
            Common.onConfigReload();
        } else if (event.getConfig().getSpec() == SERVER_SPEC) {
            Server.onConfigReload();
        }
    }

    public static class Client {
        Client(ForgeConfigSpec.Builder builder) {}

        private static void onConfigReload() {}
    }

    public static class Common {
        Common(ForgeConfigSpec.Builder builder) {}

        private static void onConfigReload() {}
    }

    public static class Server {
        public static ForgeConfigSpec.BooleanValue blockBreakDefaultNoXp;
        private static ForgeConfigSpec.ConfigValue<List<? extends String>> blockBreakOperationsRaw;
        public static List<OperationItem> blockBreakOperationItems;

        Server(ForgeConfigSpec.Builder builder) {
            builder.comment("Settings for block breaking").push("block_breaking");
            blockBreakDefaultNoXp = builder
                    .comment("Should all blocks drop 0 XP by default?")
                    .comment("(This makes multipliers not have any effect)")
                    .define("blockBreakDefaultNoXp", false);
            blockBreakOperationsRaw = builder
                    .comment("List of all overrides. Format: '[block_id/tag],[operation],[min],[max],[priority],[is_last]'")
                    .comment("Available operations: " + Arrays.toString(OperationType.values()))
                    .comment("Examples:")
                    .comment("'minecraft:dirt,set,2,2,0,true' - Sets the xp drop of the dirt block to 2, takes highest priority and stops any additional operations.")
                    .comment("'#forge:ores,multiply,1,2,1,false' - Multiplies xp drop of all blocks tagged forge:ores by 1-2, allows additional operations.")
                    .define("blockBreakOperations", new ArrayList<>());
            builder.pop();
        }

        private static void onConfigReload() {
            blockBreakOperationItems = new ArrayList<>();
            for (String s : blockBreakOperationsRaw.get()) {
                blockBreakOperationItems.add(new OperationItem(s));
            }
        }
    }
}