using System;
using System.Collections;
using System.Collections.Generic;
using BITKit.Entities;
using BITKit.Mod;
using Cysharp.Threading.Tasks;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using UnityEngine;
using ILogger = Microsoft.Extensions.Logging.ILogger;

namespace BITKit.IO
{
    public class ScriptableEntitiesService : IDisposable
    {
        private readonly IEntitiesService _entitiesService;

        public string Tags = "scriptable_object";

        private readonly List<IEntity> _registeredEntities = new();

        public ScriptableEntitiesService(IEntitiesService entitiesService)
        {
            _entitiesService = entitiesService;
        }

        public async UniTask InitializeAsync(ILogger logger = null)
        {
            logger?.LogInformation("正在查找所有ScriptableObject...");
            var objs = await ModService.LoadAssets<ScriptableObject>(Tags);
            logger?.LogInformation($"找到{objs.Count}个资源,正在加载中...");
            for (var index = 0; index < objs.Count; index++)
            {
                var scriptableObject = objs[index];
                var entity = new Entity();

                var idComponent = new IdComponent()
                {
                    Name = scriptableObject.name
                };

                entity.ServiceCollection.AddSingleton(idComponent);

                var type = scriptableObject.GetType();

                var typeName = type.Name;
                
                entity.ServiceCollection.AddSingleton(type, scriptableObject);
                
                foreach (var x in type.GetInterfaces())
                {
                    entity.ServiceCollection.AddSingleton(x, scriptableObject);
                }
                
                while (type is not null)
                {
                    if (type.BaseType is null) break;
                    entity.ServiceCollection.AddSingleton(type.BaseType, scriptableObject);
                    type = type.BaseType;
                    typeName += $":{type.Name}";
                }
                
       

                _entitiesService.Register(entity);

                logger?.LogInformation($"已加载:{scriptableObject.name}:{typeName},剩余:{index + 1}/{objs.Count}");
                _registeredEntities.Add(entity);
                
                continue;
            }

            logger?.LogInformation("加载完成");
            
            return;

       
        }

        public void Dispose()
        {
            foreach (var x in _registeredEntities)
            {
                _entitiesService.UnRegister(x);
            }

            _registeredEntities.Clear();
        }
    }

}