using Flurl.Http.Configuration;
using Flurl.Http.Testing;
using Microsoft.Extensions.Logging.Abstractions;
using Newtonsoft.Json;

namespace Piwigo.Client.Tests;

[TestFixture]
public class PiwigoClientTests
{
    private const string TestUri = "http://localhost:8080/ws.php?format=json";
    private const string Username = "admin";
    private const string Password = "admin";

    private PiwigoClient _piwigoClient = null!;
    private HttpTest? _httpTest;

    [SetUp]
    public void SetUp()
    {
        _piwigoClient = new PiwigoClient(new NullLogger<PiwigoClient>());
        _httpTest = new HttpTest();
    }

    [TearDown]
    public void TearDown()
    {
        _httpTest?.Dispose();
    }

    [Test]
    public async Task Login_should_set_cookies_and_session()
    {
        await LoginAsync();
    }

    [Test]
    public async Task GetStatus_should_return_config()
    {
        await LoginAsync();

        var serverResponse = new PiwigoResponse<PiwigoStatus>
        {
            Status = "OK",
            Result = new PiwigoStatus
            {
                Username = "admin",
                Version = "12.0.0"
            }
        };
        SetJsonResult(serverResponse);

        var status = await _piwigoClient.GetStatusAsync();

        status.Should().NotBeNull();
        status.Username.Should().Be("admin");
        status.Version.Should().NotBeEmpty();
    }

    [Test]
    public async Task Logout_should_set_IsLoggedIn_to_false()
    {
        await LoginAsync();

        _httpTest?.RespondWith("OK");

        await _piwigoClient.LogoutAsync();
        _piwigoClient.IsLoggedIn.Should().BeFalse();
    }

    [Test]
    public async Task GetAllCategories_should_return_all_existing_categories()
    {
        await LoginAsync();


        var serverResponse = new PiwigoResponse<PiwigoCategoryList>
        {
            Result = new PiwigoCategoryList
            {
                Categories = new List<PiwigoCategory>
                {
                    new() { Id = 1, Name = "UnitTestMain" },
                    new() { Id = 3, Name = "UnitTestSub2", IdUpperCat = 1 },
                    new() { Id = 2, Name = "UnitTestSub1", IdUpperCat = 1 }
                }
            }
        };
        SetJsonResult(serverResponse);
        var response = await _piwigoClient.GetAllCategoriesAsync();

        response.Should().HaveCount(3);
        response.Should().SatisfyRespectively(c =>
        {
            c.Id.Should().Be(1);
            c.Name.Should().Be("UnitTestMain");
        }, c =>
        {
            c.Id.Should().Be(3);
            c.Name.Should().Be("UnitTestSub2");
            c.IdUpperCat.Should().Be(1);
        }, c =>
        {
            c.Id.Should().Be(2);
            c.Name.Should().Be("UnitTestSub1");
            c.IdUpperCat.Should().Be(1);
        });
    }

    private void SetJsonResult<T>(PiwigoResponse<T> serverResponse)
    {
        var settings = new JsonSerializerSettings
        {
            Formatting = Formatting.Indented,
            NullValueHandling = NullValueHandling.Ignore
        };
        var serializer = new NewtonsoftJsonSerializer(settings);
        var jsonResponse = serializer.Serialize(serverResponse);
        _httpTest?.RespondWith(jsonResponse);
    }

    private async Task LoginAsync()
    {
        _httpTest?.RespondWith("{}", 200, cookies: new { pwg_id = "pwg_id" });
        await _piwigoClient.LoginAsync(new Uri(TestUri), Username, Password);
        _piwigoClient.IsLoggedIn.Should().BeTrue();
    }
}