using System;
using System.Collections;
using System.Collections.Generic;
using DG.Tweening;
using DragonLi.Core;
using Mirror;
using UnityEngine;
using UnityEngine.XR;

/// <summary>
/// 手类型
/// </summary>
public enum HandType
{
    Left,
    Right
}

/// <summary>
/// 手状态
/// </summary>
public enum HandState
{
    /// <summary>
    /// 空手
    /// </summary>
    Empty,
    /// <summary>
    /// 有武器
    /// </summary>
    HaveWeapon
}

public class Player : MonoBehaviour
{
    public Transform LeftHand;
    public Transform RightHand;

    [Header("经验系统")]
    public int exp; // 当前经验值
    public int[] levelThresholds = { 100, 250, 500 }; // 每级经验阈值
    private int bowLevel = 0;

    [Header("弓管理")]
    public Bow[] bows; // 不同等级的弓
    public GameObject levelUpEffect; // 升级特效预制体
    public GameObject levelUpEndEffect; // 升级爆炸特效预制体
    private Bow currentBow;

    public void Start()
    {
        GameLocal.Ins.self = this;
        // 默认装备第一把弓
        EquipBow(0);
    }

    // 增加经验
    public void GetEx(int amount, Vector3 fromPos)
    {
        // 生成经验特效飞向弓
        StartCoroutine(ShowExpEffect(fromPos));

        exp += amount;
        Debug.Log($"获得经验：{amount}，当前经验：{exp}");

        // 检查是否升级
        CheckLevelUp();
    }

    private IEnumerator ShowExpEffect(Vector3 fromPos)
    {
        GameObject expFx = GameObject.CreatePrimitive(PrimitiveType.Sphere);
        expFx.transform.position = fromPos;
        expFx.transform.localScale = Vector3.one * 0.1f;
        expFx.GetComponent<Collider>().enabled = false;
        expFx.GetComponent<MeshRenderer>().material.color = Color.yellow;

        Transform target = RightHand != null ? RightHand : transform;

        // 使用 DOTween 飞向弓
        expFx.transform.DOMove(target.position, 0.8f).SetEase(Ease.InQuad);
        yield return new WaitForSeconds(0.8f);
        Destroy(expFx);
    }

    private void CheckLevelUp()
    {
        if (bowLevel < levelThresholds.Length && exp >= levelThresholds[bowLevel])
        {
            bowLevel++;
            EquipBow(bowLevel);

            // 生成升级特效
            if (levelUpEffect != null)
            {
                Instantiate(levelUpEffect, RightHand.position, Quaternion.identity);
            }

            Debug.Log($"弓升级到 Lv{bowLevel + 1}");
        }
    }

    private void EquipBow(int index)
    {
        for (int i = 0; i < bows.Length; i++)
        {
            bows[i].gameObject.SetActive(i == index);
        }
        currentBow = bows[index];
    }

    private void Update()
    {
        // 滚轮切换弓
        if (Input.mouseScrollDelta.y > 0)
        {
            int prev = Mathf.Max(0, bowLevel - 1);
            EquipBow(prev);
        }
        else if (Input.mouseScrollDelta.y < 0)
        {
            int next = Mathf.Min(bows.Length - 1, bowLevel);
            EquipBow(next);
        }
    }
}