using System;
using System.Linq;
using System.Linq.Expressions;
using System.Collections.Generic;
using System.Text;
using System.Web.Mvc;
using System.Web.Routing;

using NUnit.Framework;
using Rhino.Mocks;
using Chronicle;
using Daystar.Core.Accounts;
using Daystar.Core.Security;
using DaystarAdmin.Controllers;
using DaystarAdmin.Models;

namespace DaystarAdmin.Tests.Controllers
{
	public class setup
	{
		protected IUserRepository userRepository;
		protected ISessionManager sessionManager;
		protected LoginController loginController;

		public void arrange ()
		{
			userRepository = MockRepository.GenerateMock<IUserRepository>(new object[] { });
			sessionManager = MockRepository.GenerateMock<ISessionManager>();

			userRepository.Stub(x => x.FindUserByUsername ( Arg<string>.Is.Anything ))
				.Return(
					new User
					{
						UserName = "matt",
						Password = new Daystar.Core.Utility.Md5HashingService().GetHash("testpassword")
					});

			loginController = new LoginController(userRepository, sessionManager);
		}
	}

	[TestFixture]
	public class when_login_controller_attempts_login_with_valid_creds : setup
	{
		[Test]
		public void should_redirect_to_home()
		{
			arrange ();

			var viewModel = new LoginViewModel { UserName = "matt", Password = "testpassword", SaveLoginWithCookie = true };
			var results = loginController.TryLogin( viewModel );

			Assert.IsTrue(results is RedirectToRouteResult);
			Assert.IsTrue(((RedirectToRouteResult)results).RouteValues.Count == 1);
			Assert.IsTrue(((RedirectToRouteResult)results).RouteValues["action"].ToString() == "../Home");
			Assert.IsTrue ( viewModel.LoginSuccess );
		}

		// this is a crappy test, so I won't test the reverse
		[Test]
		public void should_save_cookie_when_asked ()
		{
			arrange ();

			var viewModel = new LoginViewModel { UserName = "matt", Password = "testpassword", SaveLoginWithCookie = true };
			var results = loginController.TryLogin(viewModel);

			sessionManager.AssertWasCalled ( x => x.SetAuthorizedUser ( Arg<User>.Is.Anything, Arg<bool>.Is.Equal(true) ));
		}

		// not much different than should_save_cookie_when_asked
		[Test]
		public void should_set_authorized_user()
		{
			arrange();

			var viewModel = new LoginViewModel { UserName = "matt", Password = "testpassword" };
			var results = loginController.TryLogin(viewModel);

			sessionManager.AssertWasCalled(x => x.SetAuthorizedUser(Arg<User>.Is.Anything, Arg<bool>.Is.Anything));
		}
	}

	[TestFixture]
	public class when_login_controller_attempts_login_with_invalid_creds : setup
	{
		[Test]
		public void should_display_index_with_login_failed()
		{
			arrange ();

			var viewModel = new LoginViewModel { UserName = "matt", Password = "notthepassword" };

			var results = loginController.TryLogin(viewModel);

			var resultsAsViewResult = results as ViewResult;
			Assert.IsNotNull(resultsAsViewResult);
			Assert.AreEqual(resultsAsViewResult.ViewName, "Index");

			Assert.IsFalse(viewModel.LoginSuccess);

		}
	}
}