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

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

		[Test]
		public void CanConstructFromLeafInputFile()
		{
			var file = GetLeafInputFile();
			var viewModel = new LeafOutputViewModel(file);

			Assert.That(viewModel.CurrentStatus, Is.EqualTo(file.CurrentStatus.ToString()));
			Assert.That(viewModel.LeafInputFileId, Is.EqualTo(file.Id));
			Assert.That(viewModel.LeafInputFilename, Is.EqualTo(file.Filename));
			Assert.That(viewModel.LeafOutputFilenames, Has.Length.EqualTo(1));
			Assert.That(viewModel.LeafInputIdentifier, Is.EqualTo(file.LeafInput.Identifier));
			Assert.That(viewModel.LeafInputSiteId, Is.EqualTo(file.LeafInput.SiteId));
			Assert.That(viewModel.LeafInputPhotosynthesisType, Is.EqualTo(file.LeafInput.PhotosynthesisType.Name));
		}
		
		[Test]
		public void CanConstructFromLeafInputFile_Running()
		{
			var file = GetLeafInputFile();
			file.CurrentStatus = LeafInputStatusType.Running;
			file.LeafOutputFiles = new LeafOutputFile[0];
			var viewModel = new LeafOutputViewModel(file);

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

		[Test]
		public void CanConstructFromLeafInputFile_Error()
		{
			var file = GetLeafInputFile();
			file.CurrentStatus = LeafInputStatusType.Error;
			file.StatusHistory = new []
			{
				new LeafInputFileStatus
				{
					DateTime = DateTime.Today,
					LeafInputFile = file,
					Description = "My Error",
					Status = LeafInputStatusType.Error
				}
			};
			var viewModel = new LeafOutputViewModel(file);
			
			Assert.That(viewModel.CurrentStatus, Is.EqualTo(LeafInputStatusType.Error.ToString()));
			Assert.That(viewModel.ErrorMessages[0], Is.EqualTo(file.StatusHistory.First().Description));
		}
	}
}