#pragma once

#include <list>

#include <string>

#include "envoy/json/json_object.h"

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

#include "absl/strings/string_view.h"

namespace Envoy {

namespace Json {

namespace Nlohmann {

class Factory {

public:

  /**

   * Constructs a Json Object from a string.

   */

  static absl::StatusOr<ObjectSharedPtr> loadFromString(const std::string& json);

  /**

   * Constructs a Json Object from a Protobuf struct.

   */

  static ObjectSharedPtr loadFromProtobufStruct(const Protobuf::Struct& protobuf_struct);

  /**

   * Serializes a string in JSON format, throwing an exception if not valid UTF-8.

   *

   * @param The raw string -- must be in UTF-8 format.

   * @return A string suitable for inclusion in a JSON stream, including double-quotes.

   */

  static std::string serialize(absl::string_view str);

  /*

   * Serializes a JSON string to a byte vector using the MessagePack serialization format.

   * If the provided JSON string is invalid, an empty vector will be returned.

   * See: https://github.com/msgpack/msgpack/blob/master/spec.md

   */

  static std::vector<uint8_t> jsonToMsgpack(const std::string& json);

  // Serialization helper function for list of items.

  template <typename T> static std::string serialize(const T& items);

};

} // namespace Nlohmann

} // namespace Json

} // namespace Envoy