/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

#include <folly/Expected.h>
#include <folly/io/IOBuf.h>
#include <thrift/lib/thrift/gen-cpp2/RpcMetadata_types.h>

namespace apache {
namespace thrift {
namespace rocket {
namespace detail {
/**
 * Helper method to uncompress the payload from remote endpoint.
 */
folly::Expected<std::unique_ptr<folly::IOBuf>, std::string> uncompressPayload(
    CompressionAlgorithm compression, std::unique_ptr<folly::IOBuf> data);

template <typename Metadata>
void setCompressionCodec(
    CompressionConfig compressionConfig,
    Metadata& metadata,
    size_t payloadSize);

extern template void setCompressionCodec<>(
    CompressionConfig compressionConfig,
    RequestRpcMetadata& metadata,
    size_t payloadSize);
extern template void setCompressionCodec<>(
    CompressionConfig compressionConfig,
    ResponseRpcMetadata& metadata,
    size_t payloadSize);
extern template void setCompressionCodec<>(
    CompressionConfig compressionConfig,
    StreamPayloadMetadata& metadata,
    size_t payloadSize);

/**
 * Helper method to compress the payload before sending to the remote endpoint.
 */
void compressPayload(
    std::unique_ptr<folly::IOBuf>& data, CompressionAlgorithm compression);
} // namespace detail

std::unique_ptr<folly::IOBuf> uncompressBuffer(
    std::unique_ptr<folly::IOBuf>&& buffer, CompressionAlgorithm compression);

} // namespace rocket
} // namespace thrift
} // namespace apache