#pragma once

#include "source/common/common/logger.h"

#include "opentelemetry/proto/collector/trace/v1/trace_service.pb.h"

using opentelemetry::proto::collector::trace::v1::ExportTraceServiceRequest;

using opentelemetry::proto::collector::trace::v1::ExportTraceServiceResponse;

namespace Envoy {

namespace Extensions {

namespace Tracers {

namespace OpenTelemetry {

/**

 * @brief Base class for all OpenTelemetry Protocol (OTLP) exporters.

 * @see

 * https://github.com/open-telemetry/opentelemetry-proto/blob/v1.0.0/docs/specification.md#otlphttp

 */

class OpenTelemetryTraceExporter : public Logger::Loggable<Logger::Id::tracing> {

public:

  /**

   * @brief Exports the trace request to the configured OTLP service.

   *

   * @param request The protobuf-encoded OTLP trace request.

   * @return true When the request was sent.

   * @return false When sending the request failed.

   */

  virtual bool log(const ExportTraceServiceRequest& request) = 0;

  /**

   * @brief Logs as debug the number of exported spans.

   *

   * @param request The protobuf-encoded OTLP trace request.

   */

};

using OpenTelemetryTraceExporterPtr = std::unique_ptr<OpenTelemetryTraceExporter>;

} // namespace OpenTelemetry

} // namespace Tracers

} // namespace Extensions

} // namespace Envoy