using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using DG.Tweening;
using Cysharp.Threading.Tasks;
using System;

public class GoldRushLeader : MonoBehaviour
{
    [SerializeField] UIHeroController leader;   //监工
    // [SerializeField] GameObject goods;
    [SerializeField] RectTransform leaderGo;
    [SerializeField] UIAlphaTween leaderWord;
    [SerializeField] Text leaderText;
    public float leaderScale = 0.8f;

    public Tween leaderSequence;
    private int leaderPosIndex = -1; //监工已达移动点

    int tendID;
    GoldRushPosEvent[] leaderPathPointArr;  //监工移动点

    public Action<bool> OnComplete;
    public bool forcrCallBack;

    public void Init(GoldRushPosEvent[] _leaderPathPointArr, float waitTime, int _tendID, int index, bool isBack,
        Action<bool> _OnComplete)
    {
        tendID = _tendID;
        leaderPathPointArr = _leaderPathPointArr;
        leaderPosIndex = !isBack ? -1 : leaderPathPointArr.Length - 1;
        leaderWord.Stop();
        leaderWord.SetEndState();
        // goods.SetActive(isBack);
        leaderGo.localPosition = !isBack ? leaderPathPointArr[0].transform.localPosition :
                                leaderPathPointArr[leaderPathPointArr.Length - 1].transform.localPosition;
        OnComplete = _OnComplete;
        this.SetActive(true);
        leader.Create(GoldRushManager.Instance.GetWorkerSkinID(tendID, index), leaderScale);
        Go(waitTime, isBack).Forget();
    }



    async UniTask Go(float waitTime, bool isBack)
    {
        int delayTime = Math.Max(1, (int)(waitTime * 1000));
        await UniTask.Delay(delayTime);
        StartLeaderMove(isBack);
    }

    public void StartLeaderMove(bool isBack)
    {
        leaderSequence.Kill();

        leaderWord.Stop();
        leaderWord.SetEndState();
        LeaderMove(isBack);

    }

    void LeaderMove(bool isBack)
    {
        int moveIndex = isBack ? leaderPosIndex - 1 : leaderPosIndex + 1;
        //判断事件, 返程用当前点事件，出发用下一个点的事件
        GoldRushPosEvent pathPosEvent = isBack ? leaderPathPointArr[leaderPosIndex] : leaderPathPointArr[moveIndex];  

        if (moveIndex <= 0)
        {
            moveIndex = 0;
        }
        else if (moveIndex >= leaderPathPointArr.Length)
        {
            moveIndex = leaderPathPointArr.Length - 1;
        }

        Vector3 nextPos = leaderPathPointArr[moveIndex].transform.localPosition;
        if (isBack)
        {
            if (forcrCallBack)
            {
                leader.PlayAnimation("run", true, false);
            }
            else
            {
                leader.PlayAnimation("run_xiangzi", true, false);
            }
        }
        else
        {
            leader.PlayAnimation("run", true, false);
        }   

        leaderPosIndex = moveIndex;
        bool isRush = pathPosEvent.m_PosEvent == PosEvent.Rush;
        bool isJump = pathPosEvent.m_PosEvent == PosEvent.Jump;

        leader.SetSpeed((isRush ? 2 : 1) * (isBack ? 0.5f : 1));


        var dis = Vector3.Distance(leaderGo.localPosition, nextPos);
        var duration = dis / pathPosEvent.m_Speed / (isBack ? pathPosEvent.m_BackSlowSpeedScale : 1);

        // Debug.Log("第" + workerIndex + "个工人" +  " duration" + duration + " 移动index " + moveIndex + " Time=" + Time.time);
        if (leaderGo.localPosition.x < nextPos.x)
        {
            leader.transform.localRotation = Quaternion.Euler(0, 0, 0);
        }
        else
        {
            //转向
            leader.transform.localRotation = Quaternion.Euler(0, 180, 0);
        }

        PathEvent(pathPosEvent, isBack);

        if (!isJump)
        {
            leaderSequence = leaderGo.DOLocalMove(nextPos, duration).SetEase(pathPosEvent.m_EaseType);
        }
        else
        {
            //抛物线跳跃
            // 计算抛物线路径点
            Vector3[] path = new Vector3[3];
            path[0] = leaderGo.localPosition; // 起点
            //顶点x 是两者之间 y增加高度
            path[1] = new Vector3(nextPos[0] + (leaderGo.localPosition.x - nextPos[0]) / 2, nextPos[1] + pathPosEvent.m_Value1, nextPos.z);
            path[2] = nextPos; // 终点

            // 使用 DOPath 实现抛物线移动
            leaderSequence = leaderGo.DOLocalPath(path, pathPosEvent.m_Value2, PathType.CatmullRom).SetEase(pathPosEvent.m_EaseType);
        }
        leaderSequence.OnComplete(() =>
        {
            // Debug.Log("Sequence completed for worker " + workerIndex);
            if (moveIndex == (isBack ? 0 : leaderPathPointArr.Length - 1))
            {
                leader.PlayAnimation("idle", true, false);
                leader.transform.localRotation = Quaternion.Euler(0, 0, 0);

                this.SetActive(false);
                OnComplete(isBack);
                return;
            }
            LeaderMove(isBack);
        });

    }

    void PathEvent(GoldRushPosEvent pathPosEvent, bool isBack)
    {
        if (isBack)
        {
            return;
        }

        if (pathPosEvent.m_PosEvent == PosEvent.TargetFollow)
        {
            // StartMove(isBack);
            GoldRushManager.Instance.NotifyPathEvent(pathPosEvent.m_PosEvent, isBack, tendID, 0, "");
        }
        else if (pathPosEvent.m_PosEvent == PosEvent.Word)
        {
            leaderWord.SetActive(true);
            leaderWord.Play();
            leaderText.text = Language.Get(!pathPosEvent.m_IsRandom ? pathPosEvent.m_Text1 :
                pathPosEvent.m_Text1 + UnityEngine.Random.Range((int)pathPosEvent.m_Value1, (int)pathPosEvent.m_Value2 + 1));
            ForceRefreshLayout();
        }
        else if (pathPosEvent.m_PosEvent == PosEvent.TargetWord)
        {

            if (!pathPosEvent.m_IsRandom)
            {
                //指定语言
                if (pathPosEvent.m_Value1 <= 0)
                {
                    //全体说话
                    for (int i = 0; i < GoldRushManager.followWorkerCount; i++)
                    {
                        GoldRushManager.Instance.NotifyPathEvent(pathPosEvent.m_PosEvent, isBack, tendID, i, pathPosEvent.m_Text1);
                    }
                }
                else
                {
                    //单个说话
                    GoldRushManager.Instance.NotifyPathEvent(pathPosEvent.m_PosEvent, isBack, tendID, (int)pathPosEvent.m_Value1 - 1, pathPosEvent.m_Text1);
                }
            }
            else
            {
                //随机全体说话
                for (int i = 0; i < GoldRushManager.followWorkerCount; i++)
                {
                    GoldRushManager.Instance.NotifyPathEvent(pathPosEvent.m_PosEvent, isBack, tendID, i,
                    pathPosEvent.m_Text1 + UnityEngine.Random.Range((int)pathPosEvent.m_Value1, (int)pathPosEvent.m_Value2 + 1));
                }
            }
        }
        else if (pathPosEvent.m_PosEvent == PosEvent.TargetAction)
        {
            for (int i = 0; i < GoldRushManager.followWorkerCount; i++)
            {
                GoldRushManager.Instance.NotifyPathEvent(pathPosEvent.m_PosEvent, isBack, tendID, i, pathPosEvent.m_Text1);
            }
        }
        else if (pathPosEvent.m_PosEvent == PosEvent.Action)
        {
            leader.PlayAnimation(pathPosEvent.m_Text1);
        }

    }

    /// <summary>
    /// 强制刷新Layout，解决嵌套Layout和ContentSizeFitter的重叠问题
    /// </summary>
    async UniTask ForceRefreshLayout()
    {
        await UniTask.DelayFrame(2);
        LayoutRebuilder.ForceRebuildLayoutImmediate(leaderWord.GetComponent<RectTransform>());
    }
}