using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using ChivaXR;
using System;
using DG.Tweening;
using Sirenix.OdinInspector;
using QFramework;
using UnityEngine.PlayerLoop;

public class AniDriver_MoveByPath : AnimationDriverBase
{
	[LabelText("打开路径")]
	public bool openLinePath;
	[LabelText("需要移动对象")]
	public Transform movePlayer;
	[LabelText("移动路径点")]
	public List<Transform> pathPoints = new List<Transform>();

    //public float moveSpeed = 4;
    //public float rotateSpeed = 4;

    public float duration;

    public override void FinishedState()
	{
        movePlayer.position = pathPoints[pathPoints.Count - 1].position;
    }

	public override void InitState()
	{
        movePlayer.position = pathPoints[0].position;
	}

	public override void StartPlay(Action finishedCallBack = null)
	{
        StartAniCoroutine(MovePathByItem(finishedCallBack));
    }

	public override void OnDrawGizmos()
	{
		if (!openLinePath) return;

		if (pathPoints == null || pathPoints.Count <= 1) return;

		for (int i = 0; i < pathPoints.Count; i++)
		{
			if (i + 1 < pathPoints.Count)
			{
				Gizmos.color = Color.red;
				Gizmos.DrawLine(pathPoints[i].position, pathPoints[i + 1].position);
			}	
		}
	}

    ///// <summary>
    ///// 根据路径点移动
    ///// </summary>
    ///// <param name="points"></param>
    ///// <param name="moveObj"></param>
    ///// <param name="moveSpeed"></param>
    ///// <param name="rotateSpeed"></param>
    ///// <returns></returns>
    //IEnumerator MovePathByItem(Action finishedCallBack = null)
    //{
    //    for (int i = 0; i < pathPoints.Count; i++)
    //    {
    //        bool moveToTarget = false;
    //        while (!moveToTarget)
    //        {
    //            movePlayer.transform.position = Vector3.MoveTowards(movePlayer.transform.position, pathPoints[i].position, moveSpeed * Time.deltaTime);
    //            movePlayer.transform.rotation = Quaternion.Lerp(movePlayer.transform.rotation, pathPoints[i].rotation, rotateSpeed * Time.deltaTime);

    //            if (Vector3.Distance(movePlayer.transform.position, pathPoints[i].position) < 0.02f && Quaternion.Angle(movePlayer.transform.rotation, pathPoints[i].rotation) < 5)
    //            {
    //                movePlayer.transform.position = pathPoints[i].position;
    //                movePlayer.transform.rotation = pathPoints[i].rotation;
    //                moveToTarget = true;
    //            }

    //            yield return new WaitForEndOfFrame();
    //        }
    //    }
    //    Debug.Log("MoveEnd is true");
    //    finishedCallBack?.Invoke();
    //}

    /// <summary>
    /// 根据路径点移动
    /// </summary>
    /// <param name="points"></param>
    /// <param name="moveObj"></param>
    /// <param name="moveSpeed"></param>
    /// <param name="rotateSpeed"></param>
    /// <returns></returns>
    IEnumerator MovePathByItem(Action finishedCallBack = null)
    {
        //总距离
        float tmpTotalLength = 0;

        for (int i = 0; i < pathPoints.Count - 1; i++) tmpTotalLength += Vector3.Distance(pathPoints[i].position, pathPoints[i + 1].position);

        //平均时间 = 总时长/总距离
        float averageTime = duration / tmpTotalLength;

        for (int i = 0; i < pathPoints.Count - 1; i++)
        {   
            //初始位置
            Vector3 tmpInitPosition = pathPoints[i].position;
            //初始角度
            Quaternion tmpInitQuaternion = pathPoints[i].rotation;
            
            bool moveToTarget = false;
            float timer = 0;
            //移动指定距离所需时间
            float tmpTime = Vector3.Distance(pathPoints[i].position, pathPoints[i + 1].position)*averageTime;
            float lerp = 0;

            while (!moveToTarget)
            {
                movePlayer.transform.position = Vector3.Lerp(tmpInitPosition, pathPoints[i + 1].position, lerp);
                movePlayer.transform.rotation = Quaternion.Lerp(tmpInitQuaternion, pathPoints[i + 1].rotation, lerp);

                if (Vector3.Distance(movePlayer.transform.position, pathPoints[i + 1].position) < 0.02f && Quaternion.Angle(movePlayer.transform.rotation, pathPoints[i + 1].rotation) < 5)
                {
                    movePlayer.transform.position = pathPoints[i + 1].position;
                    movePlayer.transform.rotation = pathPoints[i + 1].rotation;
                    moveToTarget = true;
                }

                timer += Time.deltaTime;
                lerp = timer / tmpTime;

                yield return new WaitForEndOfFrame();
            }
        }
        Debug.Log("MoveEnd is true");
        finishedCallBack?.Invoke();
    }

}