using ConfectioneryContracts.StoragesContracts;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;

namespace ConfectioneryFileImplement
{
	public class BackUpInfo : IBackUpInfo
	{
		private readonly DataFileSingleton source;
		private readonly PropertyInfo[] sourceProperties;

		public BackUpInfo()
		{
			source = DataFileSingleton.GetInstance();
			sourceProperties = source.GetType().GetProperties(BindingFlags.Instance | BindingFlags.Public);
		}

		public List<T>? GetList<T>() where T : class, new()
		{
			var requredType = typeof(T);
			return (List<T>?)sourceProperties.FirstOrDefault(x => x.PropertyType.IsGenericType && x.PropertyType.GetGenericArguments()[0] == requredType)
				?.GetValue(source);

		}

		public Type? GetTypeByModelInterface(string modelInterfaceName)
		{
			var assembly = typeof(BackUpInfo).Assembly;
			var types = assembly.GetTypes();
			foreach (var type in types)
			{
				if (type.IsClass && type.GetInterface(modelInterfaceName) != null)
				{
					return type;
				}
			}
			return null;
		}
	}
}