using System;
using System.Collections.Generic;
using NUnit.Framework;
using TINK.Services;

namespace TestShareeLib.Services
{
	[TestFixture]
	public class TestServicesContainerMutable
	{
		[Test]
		public void TestCtor()
		{
			var typeA = new MyTypeA();
			var typeB = new MyTypeB();

			var serviceContainer = new ServicesContainerMutableT<object>(
				new List<object> { typeA, typeB, typeB },
				typeA.GetType().FullName);

			Assert.That(
				serviceContainer,
				Is.EqualTo(new List<object> { typeA, typeB }).AsCollection);

			Assert.That(
				serviceContainer.Active,
				Is.EqualTo(typeA));
		}

		[Test]
		public void TestSetActive()
		{
			var typeA = new MyTypeA();
			var typeB = new MyTypeB();

			var serviceContainer = new ServicesContainerMutableT<object>(
				new List<object> { typeA, typeB },
				typeA.GetType().FullName);

			serviceContainer.SetActive(typeB.GetType().FullName);

			Assert.That(
				serviceContainer.Active,
				Is.EqualTo(typeB));
		}

		[Test]
		public void TestSetActiveNotExists()
		{
			var typeA = new MyTypeA();
			var typeB = new MyTypeB();

			var serviceContainer = new ServicesContainerMutableT<object>(
				new List<object> { typeA, typeB },
				typeA.GetType().FullName);

			Assert.That(
				() => serviceContainer.SetActive(new MyTypeC().GetType().FullName),
				Throws.TypeOf<ArgumentException>());
		}

		private class MyTypeA { }

		private class MyTypeB { }

		private class MyTypeC { }

		[Test]
		public void TestCtor2()
		{
			var container = new ServicesContainerMutableT<object>(new List<object> { new MyTypeA(), new MyTypeB() }, typeof(MyTypeB).FullName);
			Assert.That(container.Active.GetType().FullName, Is.EqualTo("TestShareeLib.Services.TestServicesContainerMutable+MyTypeB"));
		}

		[Test]
		public void TestCtorExceptionDupes()
		{
			Assert.That(() => new ServicesContainerMutableT<object>(new List<object> { new MyTypeA(), new MyTypeB(), new MyTypeA() }, typeof(MyTypeB).FullName), Throws.InstanceOf<Exception>());
		}

		[Test]
		public void TestCtorExceptionActiveNotFound()
		{
			Assert.That(() => new ServicesContainerMutableT<object>(new List<object> { new MyTypeA(), new MyTypeB() }, "MyTypeF"), Throws.InstanceOf<ArgumentException>());
		}

		[Test]
		public void TestSetActive2()
		{
			var container = new ServicesContainerMutableT<object>(new List<object> { new MyTypeA(), new MyTypeB() }, typeof(MyTypeB).FullName);
			container.SetActive(typeof(MyTypeA).FullName);
			Assert.That(container.Active.GetType().FullName, Is.EqualTo("TestShareeLib.Services.TestServicesContainerMutable+MyTypeA"));
		}



	}
}