// Copyright 2023 The Pigweed Authors
//
// 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 "pw_bluetooth_sapphire/internal/host/l2cap/basic_mode_tx_engine.h"

#include <pw_assert/check.h>

#include "pw_bluetooth_sapphire/internal/host/common/log.h"

namespace bt::l2cap::internal {

void BasicModeTxEngine::NotifySduQueued() {
  std::optional<ByteBufferPtr> sdu = channel().GetNextQueuedSdu();

  PW_CHECK(sdu);
  PW_CHECK(*sdu);

  if ((*sdu)->size() > max_tx_sdu_size()) {
    bt_log(INFO,
           "l2cap",
           "SDU size exceeds channel TxMTU (channel-id: %#.4x)",
           channel_id());
    return;
  }

  channel().SendFrame(std::move(*sdu));
}

bool BasicModeTxEngine::AddCredits(uint16_t) {
  bt_log(WARN, "l2cap", "attempt to add credits to BasicModeTxEngine");
  return false;
}

}  // namespace bt::l2cap::internal