using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Data.Entity;
using System.Linq;

using Moq;

using NUnit.Framework;

using Pocos;
using Pocos.Context;

using TechTalk.SpecFlow;

namespace Repository.Specs
{
   [Binding]
   public class GenericRepoSteps
   {
      private readonly IList<Profile> _profilesMock = new List<Profile>
      {
         new Profile { ProfileId = 1 },
         new Profile { ProfileId = 2 }
      };

      private IQueryable<Profile> _profile;
      private readonly Mock<DbSet<Profile>> _mockSet;
      private readonly Mock<IDbContext> _mockContext;

      public GenericRepoSteps()
      {
         // http://msdn.microsoft.com/en-us/data/dn314431#doubles
         // http://msdn.microsoft.com/en-us/data/dn314429.aspx

         var mockProfile = _profilesMock.AsQueryable();

         _mockSet = new Mock<DbSet<Profile>>();
         _mockSet.As<IQueryable<Profile>>().Setup(m => m.Provider).Returns(mockProfile.Provider);
         _mockSet.As<IQueryable<Profile>>().Setup(m => m.Expression).Returns(mockProfile.Expression);
         _mockSet.As<IQueryable<Profile>>().Setup(m => m.ElementType).Returns(mockProfile.ElementType);
         _mockSet.As<IQueryable<Profile>>().Setup(m => m.GetEnumerator()).Returns(mockProfile.GetEnumerator());

         _mockContext = new Mock<IDbContext>();
         _mockContext.Setup(m => m.Set<Profile>()).Returns(_mockSet.Object);
      }

      [Given(@"Im a user")]
      public void GivenImAUser() { }

      [Given(@"I want to see my profile\.")]
      public void GivenIWantToSeeMyProfile_() { }

      [When(@"I call the Get method with my UserId")]
      public void WhenICallTheGetMethodWithMyUserId()
      {
         var baseRepo = new BaseRepository<Profile>(_mockContext.Object);

         _profile = baseRepo.Get(p => p.ProfileId == 1);
      }

      [Then(@"the result should be a collection of my profile data\.")]
      public void ThenTheResultShouldBeACollectionOfMyProfileData_()
      {
         Assert.AreEqual(_profile.Count(), 1);
      }
   }
}