using Avalonia.Controls;
using Avalonia.Headless.XUnit;
using Avalonia.Threading;
using Avalonia.VisualTree;
using AvParser.Core.Proxies;
using AvParser.UI.ViewModels;
using AvParser.UI.Views;
using Microsoft.Extensions.Logging.Abstractions;
using ReactiveUI.Primitives.Concurrency;

namespace AvParser.UI.HeadlessTests;

public class ProxiesViewTests
{
    private static (ProxiesView View, ProxiesViewModel ViewModel, Window Window) ShowPage(
        params ProxyEndpoint[] endpoints
    )
    {
        var custom = new FakeMutableProxySource();
        custom.Endpoints.AddRange(endpoints);

        var pool = new ProxyPool([custom], new FakeProxyProbe(), new ProxyOptions());
        var viewModel = new ProxiesViewModel(
            pool,
            custom,
            NullLogger<ProxiesViewModel>.Instance,
            ImmediateSequencer.Instance
        );

        var view = new ProxiesView { DataContext = viewModel };
        var window = new Window
        {
            Width = 1400,
            Height = 800,
            Content = view,
        };

        window.Show();
        Dispatcher.UIThread.RunJobs();

        return (view, viewModel, window);
    }

    [AvaloniaFact]
    public void The_page_renders_with_an_empty_pool()
    {
        var (view, _, _) = ShowPage();

        view.GetVisualDescendants().OfType<ListBox>().ShouldNotBeEmpty();
    }

    [AvaloniaFact]
    public async Task Refreshing_puts_rows_on_screen()
    {
        var (view, viewModel, _) = ShowPage(
            new ProxyEndpoint(ProxyProtocol.Socks5, "10.0.0.1", 1080),
            new ProxyEndpoint(ProxyProtocol.Http, "10.0.0.2", 8080)
        );

        await viewModel.RefreshCommand.Execute().ToTask(TestContext.Current.CancellationToken);
        Dispatcher.UIThread.RunJobs();

        var list = view.GetVisualDescendants().OfType<ListBox>().First();
        list.ItemCount.ShouldBe(2);
        viewModel.TotalCount.ShouldBe(2);
    }

    [AvaloniaFact]
    public async Task Rows_carry_the_address_and_the_source()
    {
        var (_, viewModel, _) = ShowPage(new ProxyEndpoint(ProxyProtocol.Socks5, "10.0.0.1", 1080));

        await viewModel.RefreshCommand.Execute().ToTask(TestContext.Current.CancellationToken);
        Dispatcher.UIThread.RunJobs();

        var row = viewModel.Proxies.ShouldHaveSingleItem();
        row.Address.ShouldBe("socks5://10.0.0.1:1080");
        row.Source.ShouldBe("custom");
        row.HealthText.ShouldBe("unchecked");
    }
}