using System;
using System.Linq.Expressions;
using LightInject;

namespace EveOPreview
{
	// Adapts LighInject to the generic IoC interface
	sealed class LightInjectContainer : IIocContainer
	{
		private readonly ServiceContainer _container;

		public LightInjectContainer()
		{
			this._container = new ServiceContainer(ContainerOptions.Default);
		}

		public bool IsRegistered<TService>()
		{
			return this._container.CanGetInstance(typeof(TService), "");
		}

		public void Register<TService>()
		{
			this._container.Register<TService>();
		}

		public void Register<TService, TImplementation>()
					where TImplementation : TService
		{
			this._container.Register<TService, TImplementation>();
		}

		public void Register<TService, TArgument>(Expression<Func<TArgument, TService>> factory)
		{
			this._container.Register(f => factory);
		}

		public void RegisterInstance<T>(T instance)
		{
			this._container.RegisterInstance(instance);
		}

		public TService Resolve<TService>()
		{
			return this._container.GetInstance<TService>();
		}
	}
}