using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
using Sirenix.OdinInspector;
using QFramework;

public class CameraRayCastManager : MonoSingleton<CameraRayCastManager>
{
    [LabelText("模型类型检测")]
    [SerializeField]
    private bool m_IsEventSystem = true;
    
    //活跃状态检测物体
    public static int RayCastActivelayer = 25;

    private Camera mainCamera;
    public Color hoverColor = Color.blue;
    public RayCastItem currentRayCastItem;
    private void Awake()
    {
        mainCamera = Camera.main;
    }

    private void Update()
    {
        if (m_IsEventSystem)
        {
            if (EventSystem.current.IsPointerOverGameObject()) return;
        }

        RaycastHit hit;
        //活跃状态RaycastItem检测
        if (Physics.Raycast(mainCamera.ScreenPointToRay(Input.mousePosition), out hit, 50, 1 << RayCastActivelayer))
        {
            CheckRayCastItem(hit,true);
        }
        //非活跃状态检测
        else if (Physics.Raycast(mainCamera.ScreenPointToRay(Input.mousePosition), out hit, 50))
        {
            CheckRayCastItem(hit,false);
        }
        else if (currentRayCastItem)
        {
            currentRayCastItem.CloseHighlighter();
            currentRayCastItem = null;
        }
    }

    private void CheckRayCastItem(RaycastHit hit,bool openHighlighter)
    {
        if (hit.collider.GetComponentInParent<RayCastItem>() != null)
        {
            if (currentRayCastItem)
            {
                currentRayCastItem.CloseHighlighter();
            }

            currentRayCastItem = hit.collider.GetComponentInParent<RayCastItem>();
            currentRayCastItem.InitRayCastParents();
            if (openHighlighter)
            {
                currentRayCastItem.OpenHighlighter(hoverColor);
            }
        }
    }

    public bool CheckCurrentHoverItem(RayCastItem item)
    {
        if (m_IsEventSystem)
        {
            if (EventSystem.current.IsPointerOverGameObject()) return false;
        }

        if (currentRayCastItem == null)
            return false;
        else
            return currentRayCastItem.Contains(item);
    }
}