#pragma once

#include "envoy/ratelimit/ratelimit.h"

#include "envoy/registry/registry.h"

#include "source/extensions/filters/common/expr/evaluator.h"

namespace Envoy {

namespace Extensions {

namespace RateLimitDescriptors {

namespace Expr {

/**

 * Config registration for the computed rate limit descriptor.

 * @see DescriptorProducerFactory.

 */

class ExprDescriptorFactory : public RateLimit::DescriptorProducerFactory {

public:

  std::string name() const override;

  ProtobufTypes::MessagePtr createEmptyConfigProto() override;

  absl::StatusOr<RateLimit::DescriptorProducerPtr>

  createDescriptorProducerFromProto(const Protobuf::Message& message,

                                    Server::Configuration::CommonFactoryContext& context) override;

};

} // namespace Expr

} // namespace RateLimitDescriptors

} // namespace Extensions

} // namespace Envoy