using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.AddressableAssets;
using BITKit;
using System.Collections.Concurrent;
namespace BITKit.Entities
{
    public class EntitiesManager
    {
        [RuntimeInitializeOnLoadMethod]
        static void Reload()
        {
            Dictionary.Clear();
        }
        public static ConcurrentDictionary<int, IEntity> Dictionary = new();
        public static Func<int, IEntity> CreateFactory;
        public static IEntity Get(int id)
        {
            if (Dictionary.TryGetValue(id, out var entity))
            {
                return entity;
            }
            else
            {
                throw new System.NullReferenceException($"没有找到id为{id}的iEntity");
            }
        }
        public static IEntity GetOrAdd(int id)
        {
            return GetOrAdd(id, CreateFactory);
        }
        public static IEntity GetOrAdd(int id, Func<int, IEntity> createFacotry) => Dictionary.GetOrAdd(id, createFacotry);
    }
}