package com.yaohun.petsystem.api;

import com.yaohun.petsystem.PetMain;
import com.yaohun.petsystem.data.PetData;
import com.yaohun.petsystem.data.PlayerData;
import com.yaohun.petsystem.manage.LevelExpManager;
import com.yaohun.petsystem.manage.PetManager;
import com.yaohun.petsystem.manage.PlayerManager;
import com.yaohun.petsystem.model.PetNbt;
import de.tr7zw.nbtapi.NBTItem;
import org.bukkit.entity.Player;
import org.bukkit.inventory.ItemStack;

public class PetExpAPI {

    public static void addExp(Player player, int addExp) {
        String playerName = player.getName();
        PlayerManager playerManager = PetMain.getPlayerManager();
        PlayerData playerData = playerManager.getPlayerData(playerName);
        if (playerData.isPetStackNull()) {
            System.out.println("[日志 - 灵宠] 玩家 " + playerName + " 尚未携带宠物.");
            return;
        }
        PetNbt petNbt = playerData.getPetNbt();
        String petKey = petNbt.petData.getFileName();
        PetData petData = PetManager.getPetData(petKey);
        if (petData == null) {
            System.out.println("[日志 - 灵宠] 未添加 " + petKey + " 的宠物配置.");
            return;
        }
        int petLevel = petNbt.level;
        int levelCap = getLevelCap(petData, petNbt.evolution);
        if (petLevel >= levelCap) {
            return;
        }
        int needExp = LevelExpManager.getNeedExpValue(petLevel);
        petNbt.setTotalExp(petNbt.totalExp + addExp);

        int nowExp = petNbt.exp;
        addExp = nowExp + addExp;
        while (needExp > 0 && petLevel < levelCap && addExp >= needExp) {
            addExp -= needExp;
            petLevel++;
            needExp = LevelExpManager.getNeedExpValue(petLevel);
            bcmupLevelEvant(playerName, petLevel);
        }
        petNbt.setExp(addExp);
        petNbt.setLevel(petLevel);
        playerData.refreshPetStack();
        playerData.savePlayerData();
    }

    public static PetNbt addExp(String playerName, ItemStack stack, int addExp) {
        NBTItem nbtItem = new NBTItem(stack);
        String petKey = nbtItem.getString("petKey");
        PetData petData = PetManager.getPetData(petKey);
        if (petData == null) {
            System.out.println("[日志 - 灵宠] 未添加 " + petKey + " 的宠物配置.");
            return null;
        }
        PetNbt petNbt = new PetNbt();
        petNbt.loadNbtData(nbtItem);
        int petLevel = petNbt.level;
        int levelCap = getLevelCap(petData, petNbt.evolution);
        if (petLevel >= levelCap) {
            return petNbt;
        }
        int needExp = LevelExpManager.getNeedExpValue(petLevel);
        petNbt.setTotalExp(petNbt.totalExp + addExp);

        int nowExp = petNbt.exp;
        addExp = nowExp + addExp;
        while (needExp > 0 && petLevel < levelCap && addExp >= needExp) {
            addExp -= needExp;
            petLevel++;
            needExp = LevelExpManager.getNeedExpValue(petLevel);
            bcmupLevelEvant(playerName, petLevel);
        }
        petNbt.setExp(addExp);
        petNbt.setLevel(petLevel);
        return petNbt;
    }

    private static int getLevelCap(PetData petData, int evolution) {
        int maxLevel = petData.getMaxLevel();
        int evolutionLimit = switch (evolution) {
            case 1 -> 20;
            case 2 -> 40;
            case 3 -> 60;
            case 4 -> 70;
            case 5 -> 75;
            default -> maxLevel;
        };
        if (maxLevel <= 0) {
            return evolutionLimit;
        }
        return Math.min(maxLevel, evolutionLimit);
    }

    public static void bcmupLevelEvant(String playerName, int level) {
        boolean butt = false;
        if (level == 10 || level == 20 || level == 30 || level == 40 || level == 50 ||
                level == 60 || level == 70 || level == 80 || level == 90 || level == 100
                || level == 105 || level == 110 || level == 115 || level == 120 || level == 125) {
            butt = true;
        }
        if (butt) {
            // Bukkit.broadcastMessage("§f[§c§l公告§f] §a玩家§e"+playName+"§a本月器师手礼达到了 §7[§e§lLv."+level+"§7]");
        }
    }
}