using Axibug.Runtime;
using UnityEngine;
using UnityEditor;
using Axibug.Resources;
using System.Collections.Generic;
using System.Diagnostics.SymbolStore;
using System.Runtime.Remoting.Metadata.W3cXsd2001;

namespace Game
{
    public class MapComponent : GameComponent
    {
        public bool bLoadFinish { get;private set; } = false;

        public int mMapId { get; private set; } = 0;
        List<GameObject> MapGoList = new List<GameObject>();
        /// <summary>
        /// 出生点
        /// </summary>
        public Vector3 SpawnPos { get; private set; }

        // Start is called before the first frame update
        void Start()
        {
        }

        public void LoadMap(int MapId)
        {
            bLoadFinish = false;
            if (mMapId != MapId)
                RemoveMapGameObjs();
            mMapId = MapId;
            //TODO 异步
            GameObject mapgo = CloneMap(MapId);
            SpawnPos = mapgo.transform.Find("SpawnPos").transform.position;
            MapGoList.Add(mapgo);
            bLoadFinish = true;
        }

        public void RemoveMapGameObjs()
        {
            mMapId = 0;
            for (int i = 0; i < MapGoList.Count; i++)
            {
                Destroy(MapGoList[i]);
            }
            MapGoList.Clear();
        }

        private GameObject CloneMap(int MapId)
        {
            string rootPath = "Assets/GameAssets";
            string MapName = $"Assets/GameAssets/Map/{MapId}/{MapId}.prefab";
            string tmp = MapName.Remove(0, rootPath.Length + 1);
            int idx = tmp.LastIndexOf('/');
            string bundleName = tmp.Substring(0, idx);

            UnityEngine.Object asset = null;
            if (AppEntry.Base.EditorResourceMode)
            {
#if UNITY_EDITOR
                asset = AssetDatabase.LoadAssetAtPath<GameObject>(MapName);
#endif
            }
            else
            {
                int id = MapName.GetHashCode();
                asset = PrefabManager.LoadPrefab<UnityEngine.Object>(bundleName.ToLower(), MapName, id, this.transform);
            }

            if (asset == null)
            {
                Debug.LogError($"asset加载失败，path={MapName}");
                return null;
            }

            GameObject go = Instantiate(asset, this.transform) as GameObject;
            if (go == null)
            {
                Debug.LogError("LoadPrefabByEditor2. go == null. asset:" + asset);

            }
            return go;
        }
    }
}