#pragma once

#include "envoy/compression/compressor/factory.h"

#include "envoy/extensions/compression/brotli/compressor/v3/brotli.pb.h"

#include "envoy/extensions/compression/brotli/compressor/v3/brotli.pb.validate.h"

#include "source/common/http/headers.h"

#include "source/extensions/compression/brotli/compressor/brotli_compressor_impl.h"

#include "source/extensions/compression/common/compressor/factory_base.h"

namespace Envoy {

namespace Extensions {

namespace Compression {

namespace Brotli {

namespace Compressor {

// Default input block size.

const uint32_t DefaultInputBlockBits = 24;

// Default compression window size.

const uint32_t DefaultWindowBits = 18;

// Default quality.

const uint32_t DefaultQuality = 3;

// Default zlib chunk size.

const uint32_t DefaultChunkSize = 4096;

namespace {

} // namespace

class BrotliCompressorFactory : public Envoy::Compression::Compressor::CompressorFactory {

public:

  BrotliCompressorFactory(

      const envoy::extensions::compression::brotli::compressor::v3::Brotli& brotli);

  // Envoy::Compression::Compressor::CompressorFactory

  Envoy::Compression::Compressor::CompressorPtr createCompressor() override;

private:

  static BrotliCompressorImpl::EncoderMode encoderModeEnum(

      envoy::extensions::compression::brotli::compressor::v3::Brotli::EncoderMode encoder_mode);

  const uint32_t chunk_size_;

  const bool disable_literal_context_modeling_;

  const BrotliCompressorImpl::EncoderMode encoder_mode_;

  const uint32_t input_block_bits_;

  const uint32_t quality_;

  const uint32_t window_bits_;

};

class BrotliCompressorLibraryFactory

    : public Compression::Common::Compressor::CompressorLibraryFactoryBase<

          envoy::extensions::compression::brotli::compressor::v3::Brotli> {

public:

private:

  Envoy::Compression::Compressor::CompressorFactoryPtr createCompressorFactoryFromProtoTyped(

      const envoy::extensions::compression::brotli::compressor::v3::Brotli& config,

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

};

DECLARE_FACTORY(BrotliCompressorLibraryFactory);

} // namespace Compressor

} // namespace Brotli

} // namespace Compression

} // namespace Extensions

} // namespace Envoy