namespace VECV_WebApi.Controllers.Metrics
{
  using System.IO;
  using System.Net.Http;
  using System.Net.Http.Headers;
  using System.Web.Http;
  using Prometheus;

  public class MetricsController : ApiController
  {
    [HttpGet]
    public HttpResponseMessage Index()
    {
      var stream = new MemoryStream();
      Metrics.DefaultRegistry.CollectAndExportAsTextAsync(stream).Wait();
      stream.Position = 0;

      return new HttpResponseMessage
      {
        Content = new StreamContent(stream)
        {
          Headers = { ContentType = new MediaTypeHeaderValue("text/plain") }
        }
      };
    }
  }
}