using Omika.Core.Configuration;
using Omika.Core.Observability;

namespace Omika.Tests.Observability;

/// <summary>
/// Fabrique de test partagée pour le pipeline d'observabilité.
/// </summary>
internal static class ObservabilityTestHarness
{
    public static (SafeTelemetrySink Sink, PriorityTelemetryQueue Queue, TelemetryCounters Counters)
        CreatePipeline(ObservabilityOptions? options = null)
    {
        ObservabilityOptions opts = options ?? new ObservabilityOptions();
        var counters = new TelemetryCounters();
        var queue = new PriorityTelemetryQueue(opts, counters);
        var sink = new SafeTelemetrySink(opts, queue, counters);
        return (sink, queue, counters);
    }

    public static TelemetryEvent NewEvent(
        EventCode code,
        TelemetryLevel level = TelemetryLevel.Info,
        TelemetryPriority? priority = null,
        TelemetryMetadata? metadata = null) =>
        new()
        {
            EventCode = code,
            Level = level,
            Priority = priority,
            Metadata = metadata
        };

    public static DiagnosticEvent NewDiagnostic(
        EventCode code,
        TelemetryLevel level = TelemetryLevel.Info,
        TelemetryPriority? priority = null) =>
        new()
        {
            EventCode = code,
            Level = level,
            Priority = priority
        };

    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.");
    }
}