using System;
using NSubstitute;
using NUnit.Framework;
using TINK.Model.Bikes.BikeInfoNS.BC;
using TINK.ViewModel;

namespace TestShareeLib.ViewModel
{
	[TestFixture]
	public class TestViewModelHelper
	{
		[Test]
		public void TestGetFullDisplayName()
		{
			var bike = Substitute.For<IBikeInfoMutable>();
			bike.Description.Returns("MyStation");
			bike.Id.Returns("MyId");

			Assert.That(
				bike.GetFullDisplayName(),
				Is.EqualTo("MyStation, Nr. MyId"));
		}

		[Test]
		public void TestGetFullDisplayNameIdEmpty()
		{
			var bike = Substitute.For<IBikeInfoMutable>();
			bike.Description.Returns("MyStation");
			bike.Id.Returns("");

			Assert.That(
				bike.GetFullDisplayName(),
				Is.EqualTo("MyStation, Nr. "));
		}

		[Test]
		public void TestGetFullDisplayNameEmpty()
		{
			var bike = Substitute.For<IBikeInfoMutable>();
			bike.Description.Returns("");
			bike.Id.Returns("Id33");

			Assert.That(
				bike.GetDisplayName(),
				Is.EqualTo("Id33"));
		}

		[Test]
		public void TestGetDisplayName()
		{
			var bike = Substitute.For<IBikeInfoMutable>();
			bike.Description.Returns("MyStation");
			bike.Id.Returns("Id33");

			Assert.That(
				bike.GetDisplayName(),
				Is.EqualTo("MyStation"));
		}

		[Test]
		public void TestGetDisplayNameEmpty()
		{
			var bike = Substitute.For<IBikeInfoMutable>();
			bike.Description.Returns("");
			bike.Id.Returns("Id33");

			Assert.That(
				bike.GetDisplayName(),
				Is.EqualTo("Id33"));
		}

		[Test]
		public void TestGetDisplayId()
		{
			var bike = Substitute.For<IBikeInfoMutable>();
			bike.Description.Returns("ValidName");
			bike.Id.Returns("Id33");

			Assert.That(
				bike.GetDisplayId(),
				Is.EqualTo("Id33"));
		}

		[Test]
		public void TestGetDisplayIdNameEmpty()
		{
			var bike = Substitute.For<IBikeInfoMutable>();
			bike.Description.Returns("");
			bike.Id.Returns("Id33");

			Assert.That(
				bike.GetDisplayId(),
				Is.EqualTo(""));
		}

		[Test]
		public void TestGetErrorMessage_Null()
		{
			Assert.That(
				ViewModelHelper.GetErrorMessage(null),
				Is.Empty);
		}

		[Test]
		public void TestGetErrorMessage_Ex()
		{
			Assert.That(
				new Exception("Ja toll").GetErrorMessage(),
				Is.EqualTo("Ja toll"));
		}

		[Test]
		public void TestGetErrorMessage_Aggregate_One()
		{
			Assert.That(
				new AggregateException(new Exception("Oh yes")).GetErrorMessage(),
				Is.EqualTo("Oh yes"));
		}

		[Test]
		public void TestGetErrorMessage_Aggregate_Two()
		{
			Assert.That(
				new AggregateException(new Exception("Oh yes"), new Exception("Oh no")).GetErrorMessage(),
				Is.EqualTo("One or more errors occurred.\r\nOh yes\r\nOh no"));
		}
	}
}