using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using Cysharp.Threading.Tasks;
using UnityEngine;
using Sirenix.OdinInspector;
using UnityEditor;
using UnityEngine.AddressableAssets;
using UnityEngine.ResourceManagement.AsyncOperations;
using UnityEngine.Serialization;

public class NLDSceneManager : MonoBehaviour
{
    public const string ART_NAME = "Art";
    
    public static NLDSceneManager instance;

    [FormerlySerializedAs("_sceneObjects")]
    [ReadOnly]
    [HideInInspector]
    [SerializeField]
    public List<SceneObject> sceneObjects = new();

    [ReadOnly]
    [SerializeField]
    [HideInInspector]
    public List<SceneSurfaceData> allSceneSurfaceData = new();
    
    [HideInInspector]
    [SerializeField]
    private bool _allSurface;

    public bool UseAllSurface
    {
        get => _allSurface;
        set
        {
            if (_allSurface != value)
            {
                _allSurface = value;
                foreach (var sceneObj in sceneObjects)
                {
                    if(sceneObj)
                        sceneObj.UseSurface = value;
                }
            }
        }
    }
    
    [SerializeField]
    [HideInInspector]
    private Transform _art;

    public Transform Art
    {
        get
        {
            if (_art == null)
            {
                var scene = gameObject.scene;
                var roots = scene.GetRootGameObjects();
                var artGo = roots.FirstOrDefault(r => r.name == ART_NAME);
                if (artGo == null)
                {
                    artGo = ObjectFactory.CreateGameObject(scene, HideFlags.None, ART_NAME);
                }

                _art = artGo.transform;
            }

            return _art;
        }
    }
    
    private Dictionary<ESceneObjectType, List<SceneObject>> _sceneObjTypeDic = new();

    private Dictionary<SceneObjectRenderInfo, SceneSurfaceData> _sceneSurfaceDataDic = new();
    
    public void Refresh()
    {
        _sceneObjTypeDic.Clear();
        foreach (var sObj in sceneObjects)
        {
            if (sObj == null)
                continue;
            var type = sObj.sceneObjectType;
            if (_sceneObjTypeDic.TryGetValue(type, out var list))
            {
                list.Add(sObj);
            }
            else
            {
                list = new();
                list.Add(sObj);
                _sceneObjTypeDic.Add(type, list);
            }
        }

        _sceneSurfaceDataDic.Clear();
        foreach (var surfaceData in allSceneSurfaceData)
        {
            _sceneSurfaceDataDic.TryAdd(surfaceData.renderInfo, surfaceData);
        }
    }

    private void Awake()
    {
        instance = this;
        Refresh();
    }

    private void OnDestroy()
    {
        instance = null;
    }

    public List<SceneObject> GetSceneObjectsByType(ESceneObjectType type)
    {
        return _sceneObjTypeDic.GetValueOrDefault(type);
    }

    public SceneSurfaceData GetSurfaceData(SceneObjectRenderInfo renderInfo)
    {
        return _sceneSurfaceDataDic.GetValueOrDefault(renderInfo);
    }
}