// Copyright (c) 2020 Tudor Stanciu

using Microsoft.Extensions.DependencyInjection;
using System;
using System.Text;
using Tuitio.Application.Services.Abstractions;
using Tuitio.Application.Tests.Fixtures;
using Tuitio.Domain.Entities;
using Tuitio.Domain.Models;
using Xunit;

namespace Tuitio.Application.Tests
{
    public class TokenServiceTests : IClassFixture<DependencyInjectionFixture>, IDisposable
    {
        private readonly IServiceScope _tuitioScope;
        private readonly AppUser _userMock;

        public TokenServiceTests(DependencyInjectionFixture fixture)
        {
            _tuitioScope = fixture.ServiceProvider.GetRequiredService<IServiceScopeFactory>().CreateScope();
            _userMock = MockAppUser();
        }

        private AppUser MockAppUser()
        {
            var user = new AppUser()
            {
                UserId = 1,
                UserName = "tuitio.test",
                Password = "9B8769A4A742959A2D0298C36FB70623F2DFACDA8436237DF08D8DFD5B37374C", //pass123
                Email = "tuitio.test@test.test",
                FirstName = "tuitio",
                LastName = "test",
                StatusId = 1,
                FailedLoginAttempts = 0,
                SecurityStamp = "A93650FF-1FC4-4999-BAB6-3EEB174F6892",
                CreationDate = DateTime.Now,
                UserRoles = new UserXUserRole[]
                {
                    new UserXUserRole()
                    {
                        UserId = 1,
                        UserRoleId = 1,
                        UserRole = new UserRole()
                        {
                            UserRoleId = 1,
                            UserRoleCode = "MOCK_ROLE",
                            UserRoleName = "Mock role"
                        }
                    }
                }
            };

            return user;
        }

        public void Dispose()
        {
            _tuitioScope.Dispose();
        }

        [Fact]
        public void TokenGenerationTest()
        {
            // Arrange
            var _tokenService = _tuitioScope.ServiceProvider.GetRequiredService<ITokenService>();

            // Act
            var token = _tokenService.GenerateToken(_userMock);
            var raw = token.Token.Export();
            var extracted = Token.Import(raw);

            // Assert
            Assert.NotNull(token);
            Assert.NotNull(raw);
            Assert.NotNull(extracted);

            Assert.Equal(_userMock.UserName, extracted.UserName);
            Assert.Equal(_userMock.FirstName, extracted.FirstName);
            Assert.Equal(_userMock.LastName, extracted.LastName);
            Assert.Equal(_userMock.Email, extracted.Email);
            Assert.Equal(_userMock.SecurityStamp, extracted.SecurityStamp);

            var decodedTokenString = Encoding.UTF8.GetString(Convert.FromBase64String(raw));
            Assert.DoesNotContain("UserRoles", decodedTokenString);
        }
    }
}