using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace FlowerShopContracts.DI
{
	public class DependencyManager
	{
		private readonly IDependencyContainer _dependencyManager;
		private static DependencyManager? _manager;
		private static readonly object _locjObject = new();
		private DependencyManager()
		{
			_dependencyManager = new ServiceDependencyContainer();
		}
		public static DependencyManager Instance
		{
			get
			{
				if (_manager ==null) { lock (_locjObject) { _manager = new DependencyManager(); } }
				return _manager;
			}
		}
		// инициализация библиотек, в которых идут установки зависимостей
		public static void InitDependency()
		{
			var ext = ServiceProviderLoader.GetImplementationExtensions();
			if (ext == null)
			{
				throw new ArgumentNullException("Отсутствуют компонент для загрузки зависимостей по модулям");
			}
			// регистрация зависимостей
			ext.RegisterServices();
		}
		public void AddLogging(Action<ILoggingBuilder> configure) =>
		_dependencyManager.AddLogging(configure);
		public void RegisterType<T, U>(bool isSingle = false) where U :
		class, T where T : class => _dependencyManager.RegisterType<T, U>(isSingle);
		public void RegisterType<T>(bool isSingle = false) where T : class =>
		_dependencyManager.RegisterType<T>(isSingle);
		public T Resolve<T>() => _dependencyManager.Resolve<T>();
	}
}