using System;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using DevHive.Data.Models;
using DevHive.Data.Repositories;
using Microsoft.AspNetCore.Identity;
using Microsoft.EntityFrameworkCore;
using Moq;
using NUnit.Framework;

namespace DevHive.Data.Tests
{
	[TestFixture]
	public class UserRepositoryTests
	{
		// private DevHiveContext _context;
		// private UserRepository _userRepository;
        //
		// #region Setups
		// [SetUp]
		// public void Setup()
		// {
		// 	DbContextOptionsBuilder<DevHiveContext> options = new DbContextOptionsBuilder<DevHiveContext>()
		// 		.UseInMemoryDatabase("DevHive_UserRepository_Database");
		// 	this._context = new DevHiveContext(options.Options);
        //
		// 	Guid userId = Guid.NewGuid();
		// 	Mock<IUserStore<User>> userStore = new();
		// 	userStore.Setup(x => x.FindByIdAsync(userId.ToString(), CancellationToken.None))
		// 		.ReturnsAsync(new User()
		// 		{
		// 			Id = userId,
		// 			UserName = "test",
		// 		});
		// 	Mock<UserManager<User>> userManagerMock = new(userStore.Object, null, null, null, null, null, null, null, null);
        //
		// 	Guid roleId = Guid.NewGuid();
		// 	Mock<IRoleStore<Role>> roleStore = new();
		// 	roleStore.Setup(x => x.FindByIdAsync(roleId.ToString(), CancellationToken.None))
		// 		.ReturnsAsync(new Role()
		// 		{
		// 			Id = roleId,
		// 			Name = "test",
		// 		});
		// 	Mock<RoleManager<Role>> roleManagerMock = new(roleStore.Object, null, null, null, null);
		// 	this._userRepository = new(this._context, userManagerMock.Object, roleManagerMock.Object);
		// }
        //
		// [TearDown]
		// public async Task Teardown()
		// {
		// 	_ = await this._context.Database.EnsureDeletedAsync();
		// }
		// #endregion
        //
		// #region EditAsync
		// [Test]
		// public async Task EditAsync_ReturnsTrue_WhenUserIsUpdatedSuccessfully()
		// {
		// 	User oldUser = CreateDummyUser();
		// 	_ = this._context.Users.Add(oldUser);
		// 	_ = await this._context.SaveChangesAsync();
        //
		// 	oldUser.UserName = "SuperSecretUserName";
		// 	bool result = await this._userRepository.EditAsync(oldUser.Id, oldUser);
        //
		// 	Assert.IsTrue(result, "EditAsync does not return true when User is updated successfully");
		// }
		// #endregion
        //
		// #region GetByIdAsync
		// [Test]
		// public async Task GetByIdAsync_ReturnsTheUse_WhenItExists()
		// {
		// 	User dummyUserOne = CreateDummyUser();
		// 	_ = await this._userRepository.AddAsync(dummyUserOne);
        //
		// 	User resultUser = await this._userRepository.GetByIdAsync(dummyUserOne.Id);
        //
		// 	Assert.AreEqual(dummyUserOne.UserName, resultUser.UserName);
		// }
        //
		// [Test]
		// public async Task GetByIdAsync_ReturnsNull_WhenUserDoesNotExist()
		// {
		// 	Guid id = Guid.NewGuid();
        //
		// 	User resultUser = await this._userRepository.GetByIdAsync(id);
        //
		// 	Assert.IsNull(resultUser);
		// }
		// #endregion
        //
		// #region GetByUsernameAsync
		// [Test]
		// public async Task GetByUsernameAsync_ReturnsUserFromDatabase_WhenItExists()
		// {
		// 	//Arrange
		// 	User dummyUser = CreateDummyUser();
		// 	_ = await this._userRepository.AddAsync(dummyUser);
		// 	string username = dummyUser.UserName;
        //
		// 	//Act
		// 	User user = await this._userRepository.GetByUsernameAsync(username);
        //
		// 	//Assert
		// 	Assert.AreEqual(dummyUser.Id, user.Id, "Method doesn't get the proper user from database");
		// }
        //
		// [Test]
		// public async Task GetByUsernameAsync_ReturnsNull_WhenUserDoesNotExist()
		// {
		// 	//Act
		// 	User user = await this._userRepository.GetByUsernameAsync(null);
        //
		// 	//Assert
		// 	Assert.IsNull(user, "Method returns user when it does not exist");
		// }
		// #endregion
        //
		// #region DoesUserExistAsync
		// [Test]
		// public async Task DoesUserExistAsync_ReturnsTrue_WhenUserExists()
		// {
		// 	User dummyUser = CreateDummyUser();
		// 	_ = this._context.Users.Add(dummyUser);
		// 	_ = await this._context.SaveChangesAsync();
        //
		// 	bool result = await this._userRepository.DoesUserExistAsync(dummyUser.Id);
        //
		// 	Assert.IsTrue(result, "DoesUserExistAsync does not return true when user exists");
		// }
        //
		// [Test]
		// public async Task DoesUserExistAsync_ReturnsFalse_WhenUserDoesNotExist()
		// {
		// 	Guid id = Guid.NewGuid();
        //
		// 	bool result = await this._userRepository.DoesUserExistAsync(id);
        //
		// 	Assert.IsFalse(result, "DoesUserExistAsync does not return false when user does not exist");
		// }
		// #endregion
        //
		// #region DoesUserNameExistAsync
		// [Test]
		// public async Task DoesUsernameExistAsync_ReturnsTrue_WhenUserWithTheNameExists()
		// {
		// 	User dummyUser = CreateDummyUser();
		// 	_ = this._context.Users.Add(dummyUser);
		// 	_ = await this._context.SaveChangesAsync();
        //
		// 	bool result = await this._userRepository.DoesUsernameExistAsync(dummyUser.UserName);
        //
		// 	Assert.IsTrue(result, "DoesUserNameExistAsync does not return true when username exists");
		// }
        //
		// [Test]
		// public async Task DoesUsernameExistAsync_ReturnsFalse_WhenUserWithTheNameDoesNotExist()
		// {
		// 	string userName = "Fake name";
        //
		// 	bool result = await this._userRepository.DoesUsernameExistAsync(userName);
        //
		// 	Assert.IsFalse(result, "DoesUserNameExistAsync does not return false when username does not exist");
		// }
		// #endregion
        //
		// #region DoesEmailExistAsync
		// [Test]
		// public async Task DoesEmailExistAsync_ReturnsTrue_WhenUserWithTheEmailExists()
		// {
		// 	User dummyUser = CreateDummyUser();
		// 	_ = this._context.Users.Add(dummyUser);
		// 	_ = await this._context.SaveChangesAsync();
        //
		// 	bool result = await this._userRepository.DoesEmailExistAsync(dummyUser.Email);
        //
		// 	Assert.IsTrue(result, "DoesUserNameExistAsync does not return true when email exists");
		// }
        //
		// [Test]
		// public async Task DoesEmailExistAsync_ReturnsFalse_WhenUserWithTheEmailDoesNotExist()
		// {
		// 	string email = "Fake email";
        //
		// 	bool result = await this._userRepository.DoesEmailExistAsync(email);
        //
		// 	Assert.IsFalse(result, "DoesUserNameExistAsync does not return false when email does not exist");
		// }
		// #endregion
        //
		// #region DoesUserHaveThisUsernameAsync
		// [Test]
		// public async Task DoesUserHaveThisUsername_ReturnsTrue_WhenUserHasTheGivenUsername()
		// {
		// 	User dummyUser = CreateDummyUser();
		// 	_ = this._context.Users.Add(dummyUser);
		// 	_ = await this._context.SaveChangesAsync();
        //
		// 	bool result = await this._userRepository.DoesUserHaveThisUsernameAsync(dummyUser.Id, dummyUser.UserName);
        //
		// 	Assert.IsTrue(result, "DoesUserHaveThisUsernameAsync does not return true when the user has the given name");
		// }
        //
		// [Test]
		// public async Task DoesUserHaveThisUsername_ReturnsFalse_WhenUserDoesntHaveTheGivenUsername()
		// {
		// 	string username = "Fake username";
		// 	User dummyUser = CreateDummyUser();
		// 	_ = this._context.Users.Add(dummyUser);
		// 	_ = await this._context.SaveChangesAsync();
        //
		// 	bool result = await this._userRepository.DoesUserHaveThisUsernameAsync(dummyUser.Id, username);
        //
		// 	Assert.IsFalse(result, "DoesUserNameExistAsync does not return false when user doesnt have the given name");
		// }
		// #endregion
        //
		// #region HelperMethods
		// private static User CreateDummyUser()
		// {
		// 	HashSet<Language> languages = new()
		// 	{
		// 		new Language()
		// 		{
		// 			Id = Guid.NewGuid(),
		// 			Name = "csharp"
		// 		},
		// 	};
        //
		// 	HashSet<Technology> technologies = new()
		// 	{
		// 		new Technology()
		// 		{
		// 			Id = Guid.NewGuid(),
		// 			Name = "ASP.NET Core"
		// 		},
		// 	};
        //
		// 	HashSet<Role> roles = new()
		// 	{
		// 		new Role()
		// 		{
		// 			Id = Guid.NewGuid(),
		// 			Name = Role.DefaultRole
		// 		},
		// 	};
        //
		// 	return new()
		// 	{
		// 		Id = Guid.NewGuid(),
		// 		UserName = "dummyUser",
		// 		FirstName = "Spas",
		// 		LastName = "Spasov",
		// 		Email = "abv@abv.bg",
		// 		Languages = languages,
		// 		Technologies = technologies,
		// 		Roles = roles
		// 	};
		// }
		// #endregion
	}
}