using System;
using System.Collections;
using System.Collections.Generic;
using DarkTonic.MasterAudio;
using DG.Tweening;
using DragonLi.Core;
using Mirror;
using UnityEngine;
using UnityEngine.XR;
using Random = UnityEngine.Random;

/// <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, Damagable
{
    public Transform LeftHand;
    public Transform RightHand;
    
    public InputDevice leftHandDevice;
    private InputDevice rightHandDevice;
    
    public bool isClickSwith = false;
    
    public PullHand pullHand;

    [Header("经验系统")] public int exp; // 当前经验值
    private int[] levelThresholds = { 1000, 2000, 3000 }; // 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 expEffect; //经验特效
    public GameObject expEndEffect; // 升级爆炸特效预制体
    //private Bow currentBow;
    [SoundGroup] public string bgmSound;
    public bool isDie;
    
    public bool IsAlive = true;
    private float time = 0;
    
    [Header("玩家最大血量")]
    public float maxHp = 1;
    private float currentHp;
    public float Health
    {
        get => currentHp;
        set => currentHp = value;
    }

    public void Start()
    {
        
        GameLocal.Ins.self = this;
        maxHp = 100;
        currentHp = maxHp;
        // 默认装备第一把弓
        EquipBow(0);
        levelUpEffect.SetActive(false);
        MasterAudio.PlaySound(bgmSound);
#if !UNITY_EDITOR && UNITY_ANDROID && PICO
        leftHandDevice = InputDevices.GetDeviceAtXRNode(XRNode.LeftHand);
        rightHandDevice = InputDevices.GetDeviceAtXRNode(XRNode.RightHand);
#endif
    }

    // 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 = Instantiate(expEffect, fromPos, Quaternion.identity);
        expFx.transform.localScale = Vector3.one;
        Transform target = LeftHand != null ? LeftHand : transform;

        float duration = 1f;
        float elapsed = 0f;
        Vector3 startPos = fromPos;

        // 在 duration 时间内，动态跟踪目标位置
        while (elapsed < duration)
        {
            elapsed += Time.deltaTime;
            float t = Mathf.Clamp01(elapsed / duration);

            // 实时目标位置（弓可能在移动）
            Vector3 targetPos = target.position;

            // 使用插值平滑移动
            expFx.transform.position = Vector3.Lerp(startPos, targetPos, t);

            yield return null;
        }

        // 抵达弓位置后生成结束特效
        if (pullHand.bow != null && expEndEffect != null)
        {
            GameObject expEndFx = Instantiate(expEndEffect, pullHand.bow.transform.position, Quaternion.identity);
            CoroutineTaskManager.Instance.WaitSecondTodo(() => { Destroy(expEndFx); }, 2f);
        }

        Destroy(expFx);
    }
    
    private void CheckLevelUp()
    {
        if (bowLevel < levelThresholds.Length && exp >= levelThresholds[bowLevel])
        {
            bowLevel++;
            EquipBow(bowLevel);
            levelUpEffect.SetActive(true);

            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);
        }

        pullHand.bow = bows[index];
    }

    public void UserBow(bool isUser)
    {
        pullHand.IsUserBow(isUser);
    }

    public void PlaySwitchBowSound()
    {
        MasterAudio.PlaySound("获取");
    }
    private void Update()
    {
        // 滚轮切换弓
        if (Input.mouseScrollDelta.y > 0&&IsAlive)
        {
            // 摇杆朝左
            isClickSwith = true;
            int prev = Mathf.Max(0, bowLevel - 1);
            EquipBow(prev);
            PlaySwitchBowSound();
        }
        else if (Input.mouseScrollDelta.y < 0&IsAlive)
        {
            // 摇杆朝右
            isClickSwith = true;
            int next = Mathf.Min(bows.Length - 1, bowLevel);
            EquipBow(next);
            PlaySwitchBowSound();
        }
        
        #if !UNITY_EDITOR && UNITY_ANDROID && PICO
        if (rightHandDevice != null)
        {
            Vector2 value;
            rightHandDevice.TryGetFeatureValue(CommonUsages.primary2DAxis, out value);

            if (value.magnitude > 0)
            {
                // 根据轴的值判断摇杆朝向
                if (!isClickSwith && value.x < 0 && GameManager.Ins.isGameStart)
                {
                    // 摇杆朝左
                    isClickSwith = true;
                    int prev = Mathf.Max(0, bowLevel - 1);
                    EquipBow(prev);
                    PlaySwitchBowSound();
                }
                else if (!isClickSwith && value.x > 0 && GameManager.Ins.isGameStart)
                {
                    // 摇杆朝右
                    isClickSwith = true;
                    int next = Mathf.Min(bows.Length - 1, bowLevel);
                    EquipBow(next);
                    PlaySwitchBowSound();
                }
            }
            else if (value.magnitude == 0)
            {
                isClickSwith = false;
            }
            if (value.Equals(Vector2.zero))
            {
                isClickSwith = false;
            }
        }
        #endif
        
        if (!IsAlive)
        {
            time += Time.deltaTime;
            if (time >= 1f) GameLocal.Ins.dieTxt.text = "4";
            if (time >= 2f) GameLocal.Ins.dieTxt.text = "3";
            if (time >= 3f) GameLocal.Ins.dieTxt.text = "2";
            if (time >= 4f) GameLocal.Ins.dieTxt.text = "1";
            return;
        }
        Transform mainCamera = GameLocal.Ins.MRCamera.transform;
        Transform leftControl = GameLocal.Ins.MRLeftControl; 
        Transform rightControl = GameLocal.Ins.MRRightControl;
        LeftHand.transform.position = leftControl.position; 
        LeftHand.transform.rotation = leftControl.rotation; 
        RightHand.transform.position = rightControl.position; 
        RightHand.transform.rotation = rightControl.rotation;
        // 同步相机
        transform.position = mainCamera.position; transform.rotation = mainCamera.rotation;
        if (Input.GetKeyDown(KeyCode.Q))
        {
            GameManager.Ins.CloseCurBoss();
        }
    }

    private void OnTriggerEnter(Collider other)
    {
        Debug.LogError("触碰开始："+other.gameObject.name);
        // 开始游戏
        if (other.tag == "Door")
        {
            Debug.Log("触碰开始");
            other.gameObject.GetComponent<Collider>().enabled = false;
            other.gameObject.SetActive(false);
            Destroy(other.gameObject);
            GameManager.Ins.GameStart();
        }
    }

    public void ApplyDamage(float value, int ownerIndex, Vector3 hitPos, Transform sender)
    {
        OnReceiveDamage(value,hitPos,sender);
    }
    
    public void SetBlood(float num)
    {
        currentHp += num;
        EventDispatcher.TriggerEvent("HpChange", currentHp, maxHp);
    }
    
    public float OnReceiveDamage(float damage,Vector3 hitPos,Transform _sender)
    {
        float curDamage = damage;
        SetBlood(-curDamage);
        
#if !UNITY_EDITOR && UNITY_ANDROID && PICO
        if (_sender != null)
        {
            Vector3 forward = transform.forward;
            Vector3 directionFormHit=(transform.position-hitPos).normalized;
            float angle = Vector3.Angle(forward, directionFormHit);
            int index = Random.Range(0, 4);
            if(TrueGearEffectManager.Ins!=null) 
                TrueGearEffectManager.Ins.OnHit(angle > 90,index,false);
        }
#endif
        if (currentHp <= 0 && IsAlive)
        {
            IsAlive = false;
            isDie = true;
            UserBow(false);
            GameLocal.Ins.DieUI.SetActive(true);
            GameLocal.Ins.dieTxt.text = "";
            GameManager.Ins.PlaySound2DRPC("1.35");
            MonoSingleton<CoroutineTaskManager>.Instance.WaitSecondTodo(() =>
            {
                IsAlive = true;
                isDie = false;
                UserBow(true);
                GameLocal.Ins.DieUI.SetActive(false);
                currentHp = maxHp;
                EventDispatcher.TriggerEvent("HpChange", currentHp, maxHp);
                time = 0f;
            }, 5f, this);
        }
        else if (currentHp > 0)
        {
            GameLocal.Ins.HitUI.SetActive(true);
            MonoSingleton<CoroutineTaskManager>.Instance.WaitSecondTodo(() =>
                GameLocal.Ins.HitUI.SetActive(false), 1f, this);
        }
        return currentHp;
    }
    
    public void End()
    {
        Debug.Log("游戏结束");
        IsAlive = false;
        pullHand.bow.gameObject.SetActive(false);
    }
}