using System;
using System.Collections.Generic;

namespace XGame.Framework.Data
{
    internal class DataModule : IDataModule, IDisposable
    {
        #region 静态函数
        private static DataModule _instance;
        public static IDataModule Instance
        {
            get
            {
                if (_instance == null)
                {
                    _instance = new DataModule();
                }
                return _instance;
            }
        }
        public static void Dispose()
        {
            (_instance as IDisposable)?.Dispose();
            _instance = null;
        }
        #endregion

        private Dictionary<Type, IData> _dataMap = new Dictionary<Type, IData>();

        TType IDataModule.GetOrAdd<TType>()
        {
            var type = typeof(TType);
            if (!_dataMap.TryGetValue(type, out var data))
            {
                data = Activator.CreateInstance<TType>();
                _dataMap.Add(type, data);
            }
            return data as TType;
        }
        void IDataModule.Remove<TType>()
        {
            var type = typeof(TType);
            if(_dataMap.TryGetValue(type, out var data))
            {
                (data as IDisposable)?.Dispose();
                _dataMap.Remove(type);
            }
        }
        void IDisposable.Dispose()
        {
            foreach (var item in _dataMap.Values)
            {
                (item as IDisposable)?.Dispose();
            }
            _dataMap.Clear();
        }


    }
}