#pragma once

#include <string>

#include "envoy/api/api.h"

#include "envoy/config/core/v3/substitution_format_string.pb.h"

#include "envoy/formatter/substitution_formatter.h"

#include "envoy/server/factory_context.h"

#include "source/common/config/datasource.h"

#include "source/common/config/utility.h"

#include "source/common/formatter/substitution_formatter.h"

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

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

#include "source/common/runtime/runtime_features.h"

#include "source/server/generic_factory_context.h"

namespace Envoy {

namespace Formatter {

/**

 * Utilities for using envoy::config::core::v3::SubstitutionFormatString

 */

class SubstitutionFormatStringUtils {

public:

  using FormattersConfig =

      Protobuf::RepeatedPtrField<envoy::config::core::v3::TypedExtensionConfig>;

  /**

   * Parse list of formatter configurations to commands.

   */

  static absl::StatusOr<std::vector<CommandParserPtr>>

  parseFormatters(const FormattersConfig& formatters,

                  Server::Configuration::GenericFactoryContext& context,

                  std::vector<CommandParserPtr>&& commands_parsers = {});

  /**

   * Generate a formatter object from config SubstitutionFormatString.

   */

  static absl::StatusOr<FormatterPtr>

  fromProtoConfig(const envoy::config::core::v3::SubstitutionFormatString& config,

                  Server::Configuration::GenericFactoryContext& context,

                  std::vector<CommandParserPtr>&& command_parsers = {});

  /**

   * Generate a Json formatter object from proto::Struct config

   */

  static FormatterPtr createJsonFormatter(const Protobuf::Struct& struct_format,

                                          bool omit_empty_values,

                                          const std::vector<CommandParserPtr>& commands = {});

};

} // namespace Formatter

} // namespace Envoy