using System;
using System.Collections;
using System.Collections.Generic;
using System.Numerics;
using Unity.VisualScripting;
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.EventSystems;
using UnityEngine.UI;
using Vector3 = UnityEngine.Vector3;

[RequireComponent(typeof(UnityEngine.EventSystems.EventTrigger))]
public class OnChlickDrag1 : MonoBehaviour, IPointerDownHandler
{

    public GameObject prefab;
    private GameObject dragGO;
    /// <summary>
    /// 货架父物体
    /// </summary>
    public List<GameObject> framesList = new List<GameObject>();
    //private List<GameObject> frames = new List<GameObject>();

    /// <summary>
    /// 选项Btn;
    /// </summary>
    public Button SelectBtn;

    void OnEnable()
    {
        AddCollider(prefab.transform);
    }
    private void Start()
    {

    }

    public Transform TT;

    //[ContextMenu("TT")]
    //public void SetUWei()
    //{
    //    for (int i = 0; i < TT.childCount; i++)
    //    {
    //        if (TT.GetChild(i).transform.Find("U位"))
    //        {
    //            GameObject o = TT.GetChild(i).transform.Find("U位").gameObject;
    //            framesList.Add(o);
    //        }

    //    }
    //}

    public void OnPointerDown(PointerEventData eventData)
    {
        if (dragGO == null)
        {
            dragGO = Instantiate(prefab);


            dragGO.GetComponent<DragTest>().frames = framesList;
            //dragGO.GetComponent<DragTest>().GetUList();
            dragGO.SetActive(false);
        }
    }

    public void MouseExitBtn()
    {
        if (dragGO != null)
        {
            Vector3 mouse = Input.mousePosition;

            //TODO：通过调整Z，调整拖拽物体显示大小
            mouse.z = 1;

            Vector3 WorldPos = Camera.main.ScreenToWorldPoint(mouse);
            dragGO.transform.position = WorldPos;

            dragGO.SetActive(true);
            dragGO = null;
        }
    }
    void AddCollider(Transform game)
    {
        BoxCollider boxCollider = game.GetComponent<BoxCollider>();
        Renderer renderer = null;
        if (!boxCollider)
        {
            try
            {
                ////复杂设备
                //if (game.childCount != 0)
                //    renderer = game.Find(game.name).GetComponent<Renderer>();
                ////简单设备
                //else
                //    renderer = game.GetComponent<Renderer>();
                try
                {
                    renderer = game.Find(game.name).GetComponent<Renderer>();
                }
                catch (Exception)
                {
                    renderer = game.GetComponent<Renderer>();
                }
                if (renderer != null)
                {
                    var initrot = game.rotation;
                    game.rotation = UnityEngine.Quaternion.identity;

                    var bounds = renderer.bounds;
                    var a = game.gameObject.AddComponent<BoxCollider>();
                    a.isTrigger = false;
                    a.center = bounds.center - game.transform.position;
                    //a.center = new Vector3(
                    //    a.center.x * AdjustColliderSize(10, 10, 10).x,
                    //    a.center.y * AdjustColliderSize(10, 10, 10).y,
                    //    a.center.z * AdjustColliderSize(10, 10, 10).z);
                    a.size = bounds.size;
                    //a.size = new Vector3(
                    //    a.size.x * AdjustColliderSize(10, 10, 10).x,
                    //    a.size.y * AdjustColliderSize(10, 10, 10).y,
                    //    a.size.z * AdjustColliderSize(10, 10, 10).z);
                    //a.transform.rotation = game.rotation; //重置其旋转为默认值

                    game.rotation = initrot;
                }
            }
            catch (Exception e)
            {
                Debug.Log(game);
            }

        }

    }


}