using System;
using System.Collections;
using System.Collections.Generic;
using DG.Tweening;
using UnityEngine;

public enum colliderobj
{
    无,
    汽车,
    被撞行人
}
/// <summary>
/// 碰撞脚本
/// </summary>
public class Overturn_Car : MonoBehaviour
{
    public Vector3 targetPosition = new Vector3(815.2605f, 12f, 393.95f);
    public Vector3 targetRotation = new Vector3(0f, 0f, 120f);
    public float animationDuration = 1.0f; // 动画持续时间，
    public Transform box_Car;
    public colliderobj colliderObj = colliderobj.无; //被撞到的人
    
    [Header("叉车撞人")]
    public Animator personAni; //被撞行人动画
    public Transform box_person;
    

    private void Start()
    {
        CheckComponents();
    }

    // 用于3D物理碰撞检测（非触发器）
    void OnCollisionEnter(Collision collision)
    {
        Debug.Log("碰撞发生了！碰撞对象: " + collision.gameObject.name);
        Debug.Log("Tag: " + collision.gameObject.tag);
        Debug.Log("Layer: " + collision.gameObject.layer);

        if (collision.gameObject.name == "撞车箱子")
        {
            DetachFromParent();
            StartFlipAnimation();
        }
        if (collision.gameObject.name == "撞人箱子")
        {
            personAni.SetTrigger("被撞");
            Rigidbody box_personRig = box_person.gameObject.GetComponent<Rigidbody>();
            Destroy(box_personRig);
        }
    }

    #region 撞车
    /// <summary>
    /// 把箱子从叉车的子物体上移除
    /// </summary>
    void DetachFromParent()
    {
        if (box_Car.transform.parent != null)
        {
            Debug.Log($"从父物体 {box_Car.transform.parent.name} 中脱离");
            transform.SetParent(null, true); // 第二个参数为true表示保持世界坐标不变
            StartCoroutine(stopBox());
        }
        else
        {
            Debug.Log("该物体没有父物体");
        }
    }

    /// <summary>
    /// 停止箱子滚动（去除刚体）
    /// </summary>
    /// <returns></returns>
    IEnumerator stopBox()
    {
        yield return new WaitForSeconds(1.5f);
        Rigidbody rb = box_Car.GetComponent<Rigidbody>();
        if (rb!= null)
        {
            Destroy(rb);
        }
    }
    void StartFlipAnimation()
    {
        // 停止可能正在进行的旧动画
        transform.DOKill();
        // 创建动画序列
        Sequence flipSequence = DOTween.Sequence();
        flipSequence.Join(transform.DOMove(targetPosition, animationDuration).SetEase(Ease.OutCubic));
        flipSequence.Join(transform.DORotate(targetRotation, animationDuration, RotateMode.FastBeyond360).SetEase(Ease.OutCubic));
        
        // 动画完成后可以执行其他操作
        flipSequence.OnComplete(() => {
            Debug.Log("翻转动画完成！物体已独立");
        });
    }
    

    #endregion

    #region 撞人
// 将Tag映射到枚举的辅助方法
    private colliderobj GetColliderObjFromTag(string tag)
    {
        switch (tag)
        {
            case "汽车": return colliderobj.汽车;
            case "被撞行人": return colliderobj.被撞行人;
            default: return colliderobj.无;
        }
    }
    
    /// <summary>
    /// 寻找物体上的collider和rigidbody
    /// </summary>
    void CheckComponents()
    {
        Collider col = GetComponent<Collider>();
        Rigidbody rb = GetComponent<Rigidbody>();
        
        Debug.Log("=== 碰撞组件检查 ===");
        Debug.Log("Collider: " + (col != null ? col.GetType().Name : "无"));
        if (col != null) Debug.Log("IsTrigger: " + col.isTrigger);
        
        Debug.Log("Rigidbody: " + (rb != null ? "存在" : "无"));
        if (rb != null) Debug.Log("IsKinematic: " + rb.isKinematic);
        Debug.Log("===================");
    }
    #endregion
   

}