using QFramework;
using QFramework.Example;
using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
using XMLTool;
using static XMLTool.Body3D;

public class Body3DController : MonoSingleton<Body3DController>
{
    public enum Status
    {
        Normal = 1 << 0,
        Active = 1 << 1,
        Drag = 1 << 2,
    }

    Body3DController() { }

    Dictionary<GameObject, Body3DOjbItem> objs = new Dictionary<GameObject, Body3DOjbItem>();

    bool selectIsGroup = false;

    public List<GameObject> isOnList = new List<GameObject>();
    public bool allowDrag = false;

    public Status status = Status.Normal;
    private Vector2 mouseDownPosition; // 记录鼠标按下时的位置

    Stack<GameObject> activeObjs = new Stack<GameObject>();
    public Stack<GameObject> moveObjs = new Stack<GameObject>();
    public override void OnSingletonInit()
    {
        base.OnSingletonInit();

        TypeEventSystem.Global.Register<OnBody3DStart>((arg) =>
        {
            Refresh();
        }).UnRegisterWhenGameObjectDestroyed(gameObject);

        TypeEventSystem.Global.Register<OnModuleQuit>(OnClear);
        TypeEventSystem.Global.Register<OnBody3DGroupTypeChanged>(OnToggleSelectType);
        TypeEventSystem.Global.Register<OnBody3DSelected>(OnBody3DSelectedHandler);
    }

    private void OnBody3DSelectedHandler(OnBody3DSelected selected)
    {

        if (selected.isOn)
        {
            if (isOnList.Contains(selected.obj) == false)
            {
                if (selectIsGroup == false)
                {
                    ClearObjectToggle();
                }
                isOnList.Add(selected.obj);

                UIBody3DInfoData data = new UIBody3DInfoData();
                data.body = selected.obj.GetComponent<Body3DOjbItem>().body;
                UIKit.OpenPanelAsync<UIBody3DInfo>(UILevel.PopUI, data).ToAction().Start(this);
            }
        }
        else
        {
            if (isOnList.Contains(selected.obj))
            {
                isOnList.Remove(selected.obj);
                selected.obj.GetComponent<ObjectToggle>().Set(false);
            }
            if (isOnList.Count <= 0)
            {
                UIKit.HidePanel<UIBody3DInfo>();
            }
        }
    }



    public void SetStatus(Status status, bool isAdd)
    {
        if (isAdd)
        {
            this.status |= status;
        }
        else
        {
            // 删除状态
            this.status &= ~status;
        }
    }

    public bool CheckStatus(Status status)
    {
        return (this.status & status) == status;
    }

    public void AddActiveObj(GameObject obj)
    {
        activeObjs.Push(obj);
    }
    public GameObject PopActiveObj()
    {
        if (activeObjs.Count > 0)
        {
            return activeObjs.Pop();
        }
        else
        {
            return null;
        }
    }

    public void AddMoveObj(GameObject obj)
    {
        if (moveObjs.Contains(obj)==false)
        {
            moveObjs.Push(obj);
        }
    }
    public GameObject PopMoveObj()
    {
        if (moveObjs.Count > 0)
        {
            return moveObjs.Pop();
        }
        else
        {
            return null;
        }
    }

    public void Active(bool isActive)
    {
        foreach (var item in objs)
        {
            if (isOnList.Contains(item.Key) == false)
            {
                item.Key.SetActive(isActive);
            }
        }
    }




    public void Active(GameObject obj, bool isActive, bool isOther)
    {
        if (isOther)
        {
            foreach (var item in objs)
            {
                if (item.Key != obj)
                {
                    item.Key.SetActive(isActive);
                }
            }
        }
        else
        {
            obj.SetActive(isActive);
        }
    }
    public void Transparent(GameObject obj, bool isTransparent, bool isOther)
    {
        if (isOther)
        {
            foreach (var item in objs)
            {
                if (item.Key != obj)
                {
                    Utility.SetSurfaceType(item.Key.GetComponent<MeshRenderer>().material, isTransparent);
                }
            }

        }
        else
        {
            Utility.SetSurfaceType(obj.GetComponent<MeshRenderer>().material, isTransparent);
        }
    }
    private void OnToggleSelectType(OnBody3DGroupTypeChanged type)
    {
        selectIsGroup = type.isGroup;
    }

    private void OnClear(OnModuleQuit quit)
    {
        Clear();
    }

    public void Refresh()
    {
        Parser(Global.Instance.cur3DPart);
    }

    public void Parser(Body3D.Body body)
    {

        if (body.subBody != null && body.subBody.Count > 0)
        {
            foreach (var item in body.subBody)
            {
                Parser(item.Value);
            }
        }
        else
        {
            GameObject obj = Utility.FindObj(body.Path);
            var bodyObjItem = obj.GetOrAddComponent<Body3DOjbItem>();
            bodyObjItem.Init(body);
            objs.Add(obj, bodyObjItem);
        }
    }






    private void Update()
    {
        if (Input.GetMouseButtonDown(0))
        {
            // 记录鼠标按下时的位置
            mouseDownPosition = Input.mousePosition;
        }

        if (Input.GetMouseButtonUp(0))
        {
            // 获取鼠标抬起时的位置
            Vector2 mouseUpPosition = Input.mousePosition;

            // 计算鼠标按下和抬起位置之间的距离
            float distance = Vector2.Distance(mouseDownPosition, mouseUpPosition);

            // 判断移动距离是否小于 1 且未点击在 UI 上
            if (distance < 1f && EventSystem.current.IsPointerOverGameObject() == false)
            {
                // 从相机发射一条射线到当前鼠标位置
                if (Camera.main != null)
                {
                    Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
                    RaycastHit hit;
                    if (Physics.Raycast(ray, out hit))
                    {
                        //GameObject obj = hit.collider.gameObject;
                        // 这里可以添加处理射线击中物体的逻辑
                    }
                    else
                    {
                        if (!selectIsGroup)
                        {
                            ClearObjectToggle();
                        }
                    }
                }
            }
        }
    }



    public void ClearObjectToggle()
    {
        for (int i = isOnList.Count - (1); i >= 0; i--)
        {
            isOnList[i].GetComponent<ObjectToggle>().Set(false);
        }
    }

    public void Clear()
    {
        objs.Clear();
    }




}