//using System;
//using System.Collections.Generic;
//using System.Threading.Tasks;
//using AutoMapper;
//using DevHive.Data.Interfaces.Repositories;
//using DevHive.Data.Models;
//using DevHive.Services.Models;
//using DevHive.Services.Models.Post;
//using DevHive.Services.Services;
//using Moq;
//using NUnit.Framework;

//namespace DevHive.Services.Tests
//{
//	[TestFixture]
//	public class FeedServiceTests
//	{
//		private Mock<IFeedRepository> FeedRepositoryMock { get; set; }
//		private Mock<IUserRepository> UserRepositoryMock { get; set; }
//		private Mock<IMapper> MapperMock { get; set; }
//		private FeedService FeedService { get; set; }

//		#region SetUps
//		[SetUp]
//		public void Setup()
//		{
//			this.FeedRepositoryMock = new Mock<IFeedRepository>();
//			this.UserRepositoryMock = new Mock<IUserRepository>();
//			this.MapperMock = new Mock<IMapper>();
//			this.FeedService = new FeedService(this.FeedRepositoryMock.Object, this.UserRepositoryMock.Object, this.MapperMock.Object);
//		}
//		#endregion

//		#region GetPage
//		[Test]
//		public async Task GetPage_ReturnsReadPageServiceModel_WhenSuitablePostsExist()
//		{
//			GetPageServiceModel getPageServiceModel = new GetPageServiceModel
//			{
//				UserId = Guid.NewGuid()
//			};

//			User dummyUser = CreateDummyUser();
//			User anotherDummyUser = CreateAnotherDummyUser();
//			HashSet<User> friends = new HashSet<User>();
//			friends.Add(anotherDummyUser);
//			dummyUser.Friends = friends;

//			List<Post> posts = new List<Post>
//			{
//				new Post{ Message = "Message"}
//			};

//			ReadPostServiceModel readPostServiceModel = new ReadPostServiceModel
//			{
//				PostId = Guid.NewGuid(),
//				Message = "Message"
//			};
//			List<ReadPostServiceModel> readPostServiceModels = new List<ReadPostServiceModel>();
//			readPostServiceModels.Add(readPostServiceModel);
//			ReadPageServiceModel readPageServiceModel = new ReadPageServiceModel
//			{
//				Posts = readPostServiceModels
//			};

//			this.UserRepositoryMock.Setup(p => p.GetByIdAsync(It.IsAny<Guid>())).Returns(Task.FromResult(dummyUser));
//			this.FeedRepositoryMock.Setup(p => p.GetFriendsPosts(It.IsAny<List<User>>(), It.IsAny<DateTime>(), It.IsAny<int>(), It.IsAny<int>())).Returns(Task.FromResult(posts));
//			this.MapperMock.Setup(p => p.Map<ReadPostServiceModel>(It.IsAny<Post>())).Returns(readPostServiceModel);

//			ReadPageServiceModel result = await this.FeedService.GetPage(getPageServiceModel);

//			Assert.GreaterOrEqual(1, result.Posts.Count, "GetPage does not correctly return the posts");
//		}

//		[Test]
//		public void GetPage_ThrowsException_WhenNoSuitablePostsExist()
//		{
//			const string EXCEPTION_MESSAGE = "No friends of user have posted anything yet!";
//			GetPageServiceModel getPageServiceModel = new GetPageServiceModel
//			{
//				UserId = Guid.NewGuid()
//			};

//			User dummyUser = CreateDummyUser();
//			User anotherDummyUser = CreateAnotherDummyUser();
//			HashSet<User> friends = new HashSet<User>();
//			friends.Add(anotherDummyUser);
//			dummyUser.Friends = friends;

//			ReadPostServiceModel readPostServiceModel = new ReadPostServiceModel
//			{
//				PostId = Guid.NewGuid(),
//				Message = "Message"
//			};
//			List<ReadPostServiceModel> readPostServiceModels = new List<ReadPostServiceModel>();
//			readPostServiceModels.Add(readPostServiceModel);
//			ReadPageServiceModel readPageServiceModel = new ReadPageServiceModel
//			{
//				Posts = readPostServiceModels
//			};

//			this.UserRepositoryMock.Setup(p => p.GetByIdAsync(It.IsAny<Guid>())).Returns(Task.FromResult(dummyUser));
//			this.FeedRepositoryMock.Setup(p => p.GetFriendsPosts(It.IsAny<List<User>>(), It.IsAny<DateTime>(), It.IsAny<int>(), It.IsAny<int>())).Returns(Task.FromResult(new List<Post>()));

//			Exception ex = Assert.ThrowsAsync<ArgumentException>(() => this.FeedService.GetPage(getPageServiceModel));

//			Assert.AreEqual(EXCEPTION_MESSAGE, ex.Message, "Wrong exception message");
//		}

//		[Test]
//		public void GetPage_ThrowsException_WhenUserHasNoFriendsToGetPostsFrom()
//		{
//			const string EXCEPTION_MESSAGE = "User has no friends to get feed from!";
//			GetPageServiceModel getPageServiceModel = new GetPageServiceModel
//			{
//				UserId = Guid.NewGuid()
//			};

//			User dummyUser = CreateDummyUser();

//			this.UserRepositoryMock.Setup(p => p.GetByIdAsync(It.IsAny<Guid>())).Returns(Task.FromResult(dummyUser));

//			Exception ex = Assert.ThrowsAsync<ArgumentException>(() => this.FeedService.GetPage(getPageServiceModel));

//			Assert.AreEqual(EXCEPTION_MESSAGE, ex.Message, "Wrong exception message");
//		}
//		#endregion

//		#region HelperMethods
//		private User CreateDummyUser()
//		{
//			return new()
//			{
//				Id = Guid.NewGuid(),
//				UserName = "dummyUser",
//				FirstName = "Spas",
//				LastName = "Spasov",
//				Email = "abv@abv.bg",
//			};
//		}

//		private User CreateAnotherDummyUser()
//		{
//			return new()
//			{
//				Id = Guid.NewGuid(),
//				UserName = "anotherDummyUser",
//				FirstName = "Alex",
//				LastName = "Spiridonov",
//				Email = "a_spiridonov@abv.bg",
//			};
//		}
//		#endregion
//	}
//}