using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;
using UnityEngine.UIElements;

public class ObsIconCtrl : MonoBehaviour,IPointerEnterHandler,IPointerExitHandler
{
    private RectTransform rect;
    private Camera _camera;

    private UnityEngine.UI.Button _button;
    public ObsData _data;
    public Transform targetTransForm;

    public GameObject tint;

    public Text tintName;

    private float currentTime = 0.0f;
    public void Init(ObsData data)
    {
        _data = data;
        tintName.text = data.name;

        

        rect = this.GetComponent<RectTransform>();
        _button = this.transform.Find("Root").Find("Icon").GetComponent<UnityEngine.UI.Button>();

        if (!data.status)
        {
            this.transform.Find("Root").Find("Icon").GetComponent<UnityEngine.UI.Image>().color = Color.red;
            this.transform.Find("Root").Find("Icon").GetChild(0).GetComponent<UnityEngine.UI.Image>().color = Color.red;
        }
        else
        {
            _button.onClick.AddListener(() =>
            {
                if (GlobalData.pageIndex == PageIndex.Page1)
                {
                    GCJKLayer._Instance.ShowObsPlayerPanel(_data);
                }

                if (GlobalData.pageIndex == PageIndex.Page3)
                {
                    SPJKLayer._Instance.ShowObsPanel(_data);
                }
            });
        }
        
        rect.anchoredPosition = new Vector2(2000, 0);
        _camera = CameraManager.instance.mainCamera;
        _camera.GetComponent<CameraBird>().OnCameraBeginChange += CameraBeginChange;
        _camera.GetComponent<CameraBird>().OnCameraEndChange += CameraEndChange;
        targetTransForm =StaticLod.instance.GetStaticObj(_data.targetName).transform;

        
    }
    
    void Update()
    {
        if (targetTransForm != null)
        {
            rect.transform.position = _camera.WorldToScreenPoint(targetTransForm.position);
        }
    }

    // 分离的委托方法，便于解除绑定
    private void CameraBeginChange()
    {
        this.transform.Find("Root").gameObject.SetActive(false);
    }

    private void CameraEndChange()
    {
        this.transform.Find("Root").gameObject.SetActive(true);
    }

    // 在物体销毁前调用这个方法来解除绑定
    private void OnDestroy()
    {
        if (_camera)
        {
            _camera.GetComponent<CameraBird>().OnCameraBeginChange -= CameraBeginChange;
            _camera.GetComponent<CameraBird>().OnCameraEndChange -= CameraEndChange;
        }
    }


    bool IsObjectInCameraView(Transform objectTransform, Camera camera)
    {
        Vector3 objectScreenPosition = camera.WorldToScreenPoint(objectTransform.position);
        return objectScreenPosition.z > 0 &&
               objectScreenPosition.x > 0 &&
               objectScreenPosition.x < Screen.width &&
               objectScreenPosition.y > 0 &&
               objectScreenPosition.y < Screen.height;
    }

    public void OnPointerEnter(PointerEventData eventData)
    {
        

        tint.gameObject.SetActive(true);
        LayoutRebuilder.ForceRebuildLayoutImmediate(tintName.GetComponent<RectTransform>()); // 强制重新计算布局
        LayoutRebuilder.ForceRebuildLayoutImmediate(tint.GetComponent<RectTransform>()); // 强制重新计算布局

    }

    public void OnPointerExit(PointerEventData eventData)
    {
        tint.gameObject.SetActive(false);
    }
}