using System;
using System.Linq;
using LeafWeb.Core.Entities;
using LeafWeb.Web.ViewModels.ResultStatus;
using NUnit.Framework;

namespace LeafWeb.Web.Tests.ViewModels.ResultStatus
{
	[TestFixture]
	public class ResultStatusViewModelTests
	{
		private LeafInput GetLeafInput()
		{
			return new LeafInput
			{
				CurrentStatus = LeafInputStatusType.Complete,
				OutputFiles = new[] {new LeafOutputFile {Filename = "OutputFilename.txt"}},
				Added = DateTime.Today,
				Email = "test@email.com",
				Identifier = "Ident I Fier",
				Name = "My Name",
				PhotosynthesisType = new PhotosynthesisType {Id = "1", Name = "1", SortOrder = 1},
				InputFiles = new[]
				{
					new LeafInputFile
					{
						Filename = "MyFilename.ext",
						Id = 3
					}
				}
			};
		}

		[Test]
		public void CanConstructFromLeafInputFile()
		{
			var leafInput = GetLeafInput();
			var viewModel = new ResultStatusViewModel(leafInput);

			Assert.That(viewModel.CurrentStatus, Is.EqualTo(leafInput.CurrentStatus.ToString()));
			Assert.That(viewModel.LeafInputId, Is.EqualTo(leafInput.Id));
			Assert.That(viewModel.LeafOutputFilenames, Has.Length.EqualTo(1));
			Assert.That(viewModel.LeafInputIdentifier, Is.EqualTo(leafInput.Identifier));
			Assert.That(viewModel.LeafInputSiteId, Is.EqualTo(leafInput.SiteId));
			Assert.That(viewModel.LeafInputPhotosynthesisType, Is.EqualTo(leafInput.PhotosynthesisType.Name));
		}
		
		[Test]
		public void CanConstructFromLeafInputFile_Running()
		{
			var leafInput = GetLeafInput();
			leafInput.CurrentStatus = LeafInputStatusType.Running;
			leafInput.OutputFiles = new LeafOutputFile[0];
			var viewModel = new ResultStatusViewModel(leafInput);

			Assert.That(viewModel.CurrentStatus, Is.EqualTo(LeafInputStatusType.Running.ToString()));
			Assert.That(viewModel.LeafOutputFilenames, Has.Length.EqualTo(0));
		}

		[Test]
		public void CanConstructFromLeafInputFile_Error()
		{
			var leafInput = GetLeafInput();
			leafInput.CurrentStatus = LeafInputStatusType.Exception;
			leafInput.StatusHistory = new []
			{
				new LeafInputStatus
				{
					DateTime = DateTime.Today,
					LeafInput = leafInput,
					Description = "My Error",
					Status = LeafInputStatusType.Exception
				}
			};
			var viewModel = new ResultStatusViewModel(leafInput);
			
			Assert.That(viewModel.CurrentStatus, Is.EqualTo(LeafInputStatusType.Exception.ToString()));
			Assert.That(viewModel.ErrorMessages[0], Is.EqualTo(leafInput.StatusHistory.First().Description));
		}
	}
}