using Microsoft.AspNetCore.Builder;

namespace Baya.Infrastructure.Monitoring.Configurations;

public static class PrometheusMetricsConfigurations
{
    /// <summary>
    /// Exposes the single OpenTelemetry metrics stack for Prometheus scraping at <c>/metrics</c>
    /// (refinement-phase-9, §9.1 — replaces the removed prometheus-net <c>UseMetricServer</c>/
    /// <c>UseHttpMetrics</c> stack; HTTP request metrics now come from the OTel ASP.NET Core instrumentation).
    /// </summary>
    public static WebApplication UseMetrics(this WebApplication app)
    {
        app.UseOpenTelemetryPrometheusScrapingEndpoint();
        return app;
    }
}