using UnityEngine;
using UnityEngine.UI;
using QFramework;
using System;

namespace QFramework.Example
{
    public class UIBody3DMouseData : UIPanelData
    {
    }
    public partial class UIBody3DMouse : UIPanel
    {
        UIDragItem dragItem;
        private GameObject currentHitObject; // 当前被击中的物体
        private bool isObjectHit; // 标记是否有物体被击中
        protected override void OnInit(IUIData uiData = null)
        {
            TypeEventSystem.Global.Register<OnModuleQuit>(OnModuleQuithandler).UnRegisterWhenGameObjectDestroyed(this);
            mData = uiData as UIBody3DMouseData ?? new UIBody3DMouseData();
            dragItem = Content.GetComponent<UIDragItem>();

            SelectBtn.onClick.AddListener(() =>
            {
                if (currentHitObject != null)
                {
                    var item = currentHitObject.GetComponent<Body3DOjbItem>();
                    if (item != null)
                    {
                        item.objToggle.OnValueChanged.Invoke(!item.objToggle.isOn);
                    }
                }
            });
        }

        private void OnModuleQuithandler(OnModuleQuit quit)
        {
            Hide();
        }

        private void OnEndDrag()
        {
            Show3DCamera.instance.lockMove = false;
        }

        private void OnBeginDrag()
        {
            Show3DCamera.instance.lockMove = true;
        }

        protected override void OnOpen(IUIData uiData = null)
        {
            dragItem?.OnBeginDragEvent.AddListener(OnBeginDrag);
            dragItem?.OnEndDragEvent.AddListener(OnEndDrag);
        }

        private void Update()
        {
            if (Point != null && Camera.main != null)
            {
                // 获取 Image 组件的中心点屏幕坐标
                Vector2 imageCenter = new Vector2(Point.rectTransform.position.x, Point.rectTransform.position.y);

                // 将屏幕坐标转换为射线
                Ray ray = Camera.main.ScreenPointToRay(imageCenter);
                RaycastHit hit;

                // 进行射线检测
                if (Physics.Raycast(ray, out hit))
                {
                    GameObject hitObject = hit.collider.gameObject;

                    if (!isObjectHit)
                    {
                        // 射线首次进入物体
                        currentHitObject = hitObject;
                        isObjectHit = true;
                        Debug.Log("射线进入物体: " + hitObject.name);
                        OnEnterBody(currentHitObject);
                    }
                    else if (currentHitObject != hitObject)
                    {
                        // 射线从之前的物体移除并击中了新物体
                        Debug.Log("射线移除物体: " + currentHitObject.name);
                        OnExitBody(currentHitObject);
                        currentHitObject = hitObject;
                        OnEnterBody(currentHitObject);
                        Debug.Log("射线进入物体: " + hitObject.name);
                    }
                }
                else
                {
                    if (isObjectHit)
                    {
                        // 射线移除当前物体
                        OnExitBody(currentHitObject);
                        Debug.Log("射线移除物体: " + currentHitObject.name);
                        currentHitObject = null;
                        isObjectHit = false;
                    }
                }
            }

        }

        void OnEnterBody(GameObject obj)
        {
            if (obj != null)
            {
                var bodyItem = currentHitObject.GetComponent<Body3DOjbItem>();
                if (bodyItem != null)
                {
                    BodyName.text = bodyItem.body.Name;
                    BodyName.gameObject.SetActive(true);
                }
            }
        }
        void OnExitBody(GameObject obj)
        {
            BodyName.gameObject.SetActive(false);
        }

        protected override void OnShow()
        {
        }

        protected override void OnHide()
        {
            dragItem?.OnBeginDragEvent.RemoveListener(OnBeginDrag);
            dragItem?.OnEndDragEvent.RemoveListener(OnEndDrag);
        }

        protected override void OnClose()
        {
        }
    }
}