using Microsoft.Extensions.Logging;

namespace HSchool.AppHost.Tests;

/// <summary>
/// Boots the AppHost once for the whole suite — starting it per test costs about ten
/// seconds each. The client resource is skipped (<c>HSchool:Headless</c>), so the tests
/// need no Node install.
/// </summary>
public sealed class AppHostFixture : IAsyncLifetime
{
    private static readonly TimeSpan StartupTimeout = TimeSpan.FromSeconds(120);

    private DistributedApplication? _app;

    public DistributedApplication App =>
        _app ?? throw new InvalidOperationException("The AppHost has not been started.");

    public async ValueTask InitializeAsync()
    {
        var appHost = await DistributedApplicationTestingBuilder
            .CreateAsync<Projects.HSchool_AppHost>(["--HSchool:Headless=true"], CancellationToken.None);

        appHost.Services.AddLogging(logging =>
        {
            logging.SetMinimumLevel(LogLevel.Warning);
            logging.AddFilter("Aspire.", LogLevel.Warning);
        });

        _app = await appHost.BuildAsync().WaitAsync(StartupTimeout);
        await _app.StartAsync().WaitAsync(StartupTimeout);
        await _app.ResourceNotifications
            .WaitForResourceHealthyAsync("server", CancellationToken.None)
            .WaitAsync(StartupTimeout);
    }

    public async ValueTask DisposeAsync()
    {
        if (_app is not null)
        {
            await _app.DisposeAsync();
        }
    }
}

/// <summary>Groups every integration test around the single AppHost instance.</summary>
[CollectionDefinition(Name)]
public sealed class AppHostCollection : ICollectionFixture<AppHostFixture>
{
    public const string Name = "apphost";
}