//- 跳跃

using System;
using DG.Tweening;
using UnityEngine;
using Random = UnityEngine.Random;

public enum ThrowDirection 
{
    TdLeft,
    TdRight,
    TdLeftRight,
}

public class ArcJumpBezier : MonoBehaviour
{
    [Header("跳跃设置")]
    
    public float arcHeightMin = 1f;       // 弧线高度
    public float arcHeightMax = 1.5f;
    
    public float duration = 1.5f;        // 跳跃时间
    public Ease ease = Ease.OutQuad;   // 缓动曲线
    
    
    [Header("跳跃偏移")]
    public float distanceMinX = 1f;
    public float distanceMaxX = 2f;
    public float distanceMinY = 1f;
    public float distanceMaxY = 2f;
    
    // [ContextMenu("执行弧线跳跃")]
    public void PerformArcJump(Vector3 targetPosition,ThrowDirection throwDirection, Action jumpEndAction = null)
    {
        
        var worldPos = CalcTargetPosition(targetPosition, throwDirection);
        
        Vector3 start = transform.position;
        Vector3 end = worldPos;

        ELog($"start: {start}=> end: {end}");
        
        // 计算控制点（弧线顶点）
        var arcHeight = Random.Range(arcHeightMin, arcHeightMax);
        Vector3 control = CalculateArcControlPoint(start, end, arcHeight);
        
        // 构建路径点
        Vector3[] path = { start, control, end };
        
        // 创建路径动画
        var tween = transform.DOPath(
                path: path,
                duration: duration,
                pathType: PathType.CatmullRom, // 平滑曲线
                pathMode: PathMode.Full3D
            )
            // .OnUpdate(() =>
            // {
            //     ELog($"Pos: {transform.position}, Z: {transform.position.z}");
            // })
            .SetEase(ease)
            // .SetOptions(false, false, false);  // 不闭合路径
            .SetOptions(false,
                lockPosition: AxisConstraint.None,  
                lockRotation: AxisConstraint.None
                );
        
        // // 朝向路径
        // if (rotateToPath)
        // {
        //     tween.SetLookAt(0.01f, Vector3.forward);
        //     
        // }
        
        
        tween.OnComplete(() =>
        {
            jumpEndAction?.Invoke();
            // OnLand();
        });
    }

    public void PerformArcJumpFailed(Vector3 targetPosition,ThrowDirection throwDirection, Action jumpEndAction = null)
    {
        var worldPos = CalcFailedTargetPosition(targetPosition, throwDirection);
        
        Vector3 start = transform.position;
        Vector3 end = worldPos;
        
        // 计算控制点（弧线顶点）
        // var arcHeight = Random.Range(arcHeightMin, arcHeightMax);
        
        
        var arcHeight = arcHeightMax;
        Vector3 control = CalculateArcControlPoint(start, end, arcHeight);
        
        // 构建路径点
        Vector3[] path = { start, control, end };
        
        // 创建路径动画
        var tween = transform.DOPath(
                path: path,
                duration: duration,
                pathType: PathType.CatmullRom, // 平滑曲线
                pathMode: PathMode.Full3D
            )
            // .OnUpdate(() =>
            // {
            //     Debug.Log($"Pos: {transform.position}, Z: {transform.position.z}");
            // })
            .SetEase(ease)
            // .SetOptions(false, false, false);  // 不闭合路径
            .SetOptions(false,
                lockPosition: AxisConstraint.None,
                lockRotation: AxisConstraint.None
            );
        
        
        tween.OnComplete(() =>
        {
            jumpEndAction?.Invoke();
        });
    }
    private Vector3 CalcFailedTargetPosition(Vector3 targetPosition, ThrowDirection throwDirection)
    {
        var xDelta = Random.Range(distanceMaxX , distanceMaxX);
        var yDelta = Random.Range(distanceMaxY,  distanceMaxY);
        // var headPos = head.transform.localPosition;
        // var vector3 = new Vector3(headPos.x + xDelta, headPos.y - yDelta , headPos.z);
        var headWorldPos = targetPosition;

        Vector3 worldPos;
        if (throwDirection == ThrowDirection.TdLeft)
        {
            worldPos = new Vector3(headWorldPos.x - xDelta, headWorldPos.y - yDelta, headWorldPos.z);
        }
        else if (throwDirection == ThrowDirection.TdRight)
        {
            worldPos = new Vector3(headWorldPos.x + xDelta, headWorldPos.y - yDelta, headWorldPos.z);
        }
        else
        {
            var sign = UnityEngine.Random.Range(0, 2) * 2 - 1;
            worldPos = new Vector3(headWorldPos.x +  xDelta * sign, headWorldPos.y - yDelta, headWorldPos.z);
        }

        return worldPos;
    }
    
    private Vector3 CalcTargetPosition(Vector3 targetPosition, ThrowDirection throwDirection)
    {
        var xDelta = Random.Range(distanceMinX, distanceMaxX);
        var yDelta = Random.Range(distanceMinY, distanceMaxY);
        // var headPos = head.transform.localPosition;
        // var vector3 = new Vector3(headPos.x + xDelta, headPos.y - yDelta , headPos.z);
        var headWorldPos = //head.transform.position;
            targetPosition;

        Vector3 worldPos;
        if (throwDirection == ThrowDirection.TdLeft)
        {
            worldPos = new Vector3(headWorldPos.x - xDelta, headWorldPos.y - yDelta, headWorldPos.z);
        }
        else if (throwDirection == ThrowDirection.TdRight)
        {
            worldPos = new Vector3(headWorldPos.x + xDelta, headWorldPos.y - yDelta, headWorldPos.z);
        }
        else
        {
            var sign = Random.Range(0, 2) * 2 - 1;
            worldPos = new Vector3(headWorldPos.x +  xDelta * sign, headWorldPos.y - yDelta, headWorldPos.z);
        }

        return worldPos;
    }

    // 计算弧线控制点
    private Vector3 CalculateArcControlPoint(Vector3 start, Vector3 end, float height)
    {
        // 中点 + 高度偏移
        Vector3 mid = (start + end) / 2f;
        
        // 根据高度方向自动判断（支持2D/3D）
        Vector3 up = Vector3.up;
        // if (Mathf.Abs(Vector3.Dot((end - start).normalized, Vector3.up)) > 0.9f)
        // {
        //     // 如果目标在正上方，改用前方
        //     up = Vector3.forward;
        // }
        
        return mid + up * height;
    }

    private void ELog(object message)
    {
        #if UNITY_EDITOR
        Debug.Log($"<color=orange> ArcJumpBezier  {gameObject.name}=> {message} </color>");
        #endif
    }
    
    // void OnLand()
    // {
    //     Debug.Log("落地！");
    //     // 落地效果：震动、粒子等
    //     Camera.main.DOShakePosition(0.2f, 0.3f);
    // }
}