// Copyright 2022 Google LLC
//
// 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
//
//     https://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.

#include "sharing/nearby_sharing_decoder_impl.h"

#include <stdint.h>

#include <memory>

#include "absl/types/span.h"
#include "sharing/advertisement.h"
#include "sharing/proto/wire_format.pb.h"

namespace nearby {
namespace sharing {

using Frame = ::nearby::sharing::service::proto::Frame;

std::unique_ptr<Advertisement> NearbySharingDecoderImpl::DecodeAdvertisement(
    absl::Span<const uint8_t> data) const {
  return Advertisement::FromEndpointInfo(data);
}

std::unique_ptr<Frame> NearbySharingDecoderImpl::DecodeFrame(
    absl::Span<const uint8_t> data) const {
  auto frame = std::make_unique<Frame>();

  if (frame->ParseFromArray(data.data(), data.size())) {
    return frame;
  } else {
    return nullptr;
  }
}

}  // namespace sharing
}  // namespace nearby