namespace Omika.Tests.Observability.Diagnostic;

/// <summary>Fabrique de test partagée pour le diagnostic local (Phase 2).</summary>
internal static class DiagnosticTestHarness
{
    public static string CreateTempDirectory()
    {
        string dir = Path.Combine(Path.GetTempPath(), "omika-diag-tests", Guid.NewGuid().ToString("N"));
        Directory.CreateDirectory(dir);
        return dir;
    }

    public static void DeleteDirectory(string dir)
    {
        try
        {
            if (Directory.Exists(dir))
            {
                Directory.Delete(dir, recursive: true);
            }
        }
        catch
        {
            // Best-effort.
        }
    }

    public static async Task WaitUntilAsync(Func<bool> condition, int timeoutMs = 3000)
    {
        DateTimeOffset deadline = DateTimeOffset.UtcNow.AddMilliseconds(timeoutMs);
        while (!condition() && DateTimeOffset.UtcNow < deadline)
        {
            await Task.Delay(10);
        }

        Assert.True(condition(), "La condition n'a pas été atteinte dans le délai imparti.");
    }
}