#pragma once

#include "envoy/config/typed_config.h"

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

#include "absl/status/statusor.h"

#include "absl/strings/string_view.h"

namespace Envoy {

namespace Router {

/**

 * Decides if the target route path matches the provided pattern.

 * Subclassing Logger::Loggable so that implementations can log details.

 */

class PathMatcher : Logger::Loggable<Logger::Id::router> {

public:

  /**

   * Returns true if path matches the pattern.

   *

   * @param path the path to be matched

   * @return true if path matches the pattern.

   */

  virtual bool match(absl::string_view path) const PURE;

  /**

   * @return the match uri_template.

   */

  virtual absl::string_view uriTemplate() const PURE;

  /**

   * @return the name of the path matcher.

   */

  virtual absl::string_view name() const PURE;

};

using PathMatcherSharedPtr = std::shared_ptr<PathMatcher>;

/**

 * Factory for PathMatcher.

 */

class PathMatcherFactory : public Envoy::Config::TypedFactory {

public:

  /**

   * @param config contains the proto stored in TypedExtensionConfig.

   * @return an PathMatcherSharedPtr.

   */

  virtual absl::StatusOr<PathMatcherSharedPtr>

  createPathMatcher(const Protobuf::Message& config) PURE;

  ProtobufTypes::MessagePtr createEmptyConfigProto() override PURE;

  /**

   * @return the name of the path matcher to be created.

   */

  std::string name() const override PURE;

  /**

   * @return the category of the path matcher to be created.

   */

};

} // namespace Router

} // namespace Envoy