/*
 * Copyright 2019 HIMSA II K/S - www.himsa.dk. Represented by EHIMA -
 * www.ehima.com
 *
 * 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.
 */

#define LOG_TAG "BTAudioClientLeAudio"

#include "le_audio_software.h"
#include <hardware/bluetooth.h>

#include "client_interface.h"
#include "osi/include/log.h"
#include "osi/include/properties.h"
#include "btif/include/btif_hf.h"

bool gLeSinkState;
bool gLeSourceState;

namespace {

/** M: Fix for build pass @{ */
using ::vendor::mediatek::hardware::bluetooth::audio::V2_1::LhdcLowLatencyEn;
/** @} */
using ::vendor::mediatek::hardware::bluetooth::audio::V2_2::CodecType;
using ::vendor::mediatek::hardware::bluetooth::audio::V2_2::LeAudioCodecConfiguration;
using ::vendor::mediatek::hardware::bluetooth::audio::V2_2::PlcMethod;
using ::vendor::mediatek::hardware::bluetooth::audio::V2_2::Lc3Parameters;
using ::vendor::mediatek::hardware::bluetooth::audio::V2_2::Lc3FrameDuration;
using ::vendor::mediatek::hardware::bluetooth::audio::V2_2::ConnParam;
using ::bluetooth::audio::AudioConfiguration;
using ::bluetooth::audio::AudioConfiguration_2_1;
using ::bluetooth::audio::BitsPerSample;
using ::bluetooth::audio::ChannelMode;
using ::bluetooth::audio::PcmParameters;
using ::bluetooth::audio::PcmParameters_2_1;
using ::bluetooth::audio::SampleRate;
using ::bluetooth::audio::SampleRate_2_1;
using ::bluetooth::audio::SessionType;
using ::bluetooth::audio::SessionType_2_1;
using ::bluetooth::audio::BluetoothAudioCtrlAck;
using ::bluetooth::audio::le_audio::StreamCallbacks;
using ::bluetooth::audio::BluetoothAudioSinkClientInterface;
using ::bluetooth::audio::BluetoothAudioSourceClientInterface;

#define AUDIO_STREAM_OUTPUT_BUFFER_SZ (28 * 512)

#define LE_AUDIO_OFFLOAD_PROP "persist.vendor.bluetooth.leaudio_mode"
#define LE_AUDIO_OFFLOAD_UMS 0x01
#define LE_AUDIO_OFFLOAD_CG  0x02
#define LE_AUDIO_OFFLOAD_MODE_UNINIT 0xF0
unsigned int g_leaudio_offload_mode = LE_AUDIO_OFFLOAD_MODE_UNINIT;
  // Sink transport implementation for Le Audio
class LeAudioSinkTransport
    : public bluetooth::audio::IBluetoothSinkTransportInstance {
 public:
  LeAudioSinkTransport(SessionType_2_1 sessionType, StreamCallbacks stream_cb)
      : IBluetoothSinkTransportInstance(
            sessionType, {}),
        stream_cb_(std::move(stream_cb)),
        remote_delay_report_ms_(0),
        total_bytes_read_(0),
        data_position_({}),
        /*pcm_config_({SampleRate::RATE_16000, ChannelMode::STEREO,
                     BitsPerSample::BITS_16}){};*/
        /** M: Fix for build pass @{ */
        pcm_config_({SampleRate_2_1::RATE_16000, ChannelMode::STEREO,
                    BitsPerSample::BITS_16, LhdcLowLatencyEn::Disabled,0}){};
        /** @} */

  BluetoothAudioCtrlAck StartRequest() override {
    LOG(INFO) << __func__;

    // Don't send START request to stack while we are in a call
    if (!bluetooth::headset::IsCallIdleForCG()) {
      LOG(ERROR) << __func__ << ": call state is busy";
      return BluetoothAudioCtrlAck::FAILURE;
    }

    if (stream_cb_.on_resume_(true)) {
      return BluetoothAudioCtrlAck::SUCCESS_FINISHED;
    }
    return BluetoothAudioCtrlAck::FAILURE;
  }

  BluetoothAudioCtrlAck SuspendRequest() override {
    LOG(INFO) << __func__;
    if (stream_cb_.on_suspend_()) {
      if (!::bluetooth::audio::le_audio::is_leaudio_offload_enabled()) {
      uint8_t p_buf[AUDIO_STREAM_OUTPUT_BUFFER_SZ * 2];
      ::bluetooth::audio::le_audio::read(p_buf, sizeof(p_buf));
      }
      return BluetoothAudioCtrlAck::SUCCESS_FINISHED;
    } else {
      return BluetoothAudioCtrlAck::FAILURE;
    }
  }

  void StopRequest() override {
    LOG(INFO) << __func__;
    if (stream_cb_.on_suspend_()) {
      // flush
      uint8_t p_buf[AUDIO_STREAM_OUTPUT_BUFFER_SZ * 2];
      ::bluetooth::audio::le_audio::read(p_buf, sizeof(p_buf));
    }
  }

  bool GetPresentationPosition(uint64_t* remote_delay_report_ns,
                               uint64_t* total_bytes_read,
                               timespec* data_position) override {
    /*VLOG(2) << __func__ << ": data=" << total_bytes_read_
            << " byte(s), timestamp=" << data_position_.tv_sec << "."
            << data_position_.tv_nsec
            << "s, delay report=" << remote_delay_report_ms_ << " msec.";*/
    if (remote_delay_report_ns != nullptr) {
      *remote_delay_report_ns = remote_delay_report_ms_ * 1000000u;
    }
    if (total_bytes_read != nullptr) *total_bytes_read = total_bytes_read_;
    if (data_position != nullptr) *data_position = data_position_;
    return true;
  }

  void MetadataChanged(const source_metadata_t& source_metadata) override {
    auto track_count = source_metadata.track_count;
    auto tracks = source_metadata.tracks;
    LOG(INFO) << __func__ << ": " << track_count << " track(s) received";
    while (track_count) {
      VLOG(1) << __func__ << ": usage=" << tracks->usage
              << ", content_type=" << tracks->content_type
              << ", gain=" << tracks->gain;
      --track_count;
      ++tracks;
    }
  }

  void EnterGameMode(int enter) override {
    VLOG(1) << __func__ << ": ble audio Sink enter = " << enter;
    stream_cb_.on_gamemode_(enter);
  }

  void ResetPresentationPosition() override {
    VLOG(2) << __func__ << ": called.";
    remote_delay_report_ms_ = 0;
    total_bytes_read_ = 0;
    data_position_ = {};
  }

  void LogBytesRead(size_t bytes_read) override {
    if (bytes_read) {
      total_bytes_read_ += bytes_read;
      clock_gettime(CLOCK_MONOTONIC, &data_position_);
    }
  }

  bool* GetBluetoothStateAddress() {
    return &gLeSinkState;
  }

  void SetRemoteDelay(uint16_t delay_report_ms) {
    LOG(INFO) << __func__ << ": delay_report=" << delay_report_ms << " msec";
    remote_delay_report_ms_ = delay_report_ms;
  }

const PcmParameters_2_1& LeAudioGetSelectedHalPcmConfig() { return pcm_config_; }

  void LeAudioSetSelectedHalPcmConfig(SampleRate_2_1 sample_rate,
                                      BitsPerSample bit_rate,
                                      ChannelMode channel_mode,
                                      int gamemode,
                                      int data_interval_ms) {
    pcm_config_.sampleRate = sample_rate;
    pcm_config_.bitsPerSample = bit_rate;
    pcm_config_.channelMode = channel_mode;
    pcm_config_.isLowLatencyEnabled = (gamemode == 1) ?
                                      LhdcLowLatencyEn::Enabled : LhdcLowLatencyEn::Disabled;
    pcm_config_.dataIntervalUs = data_interval_ms*1000;
  }

  const LeAudioCodecConfiguration& LeAudioGetSelectedHalCodecConfig() {
    return leAudioCodecConfig_;
  }

  void LeAudioSetSelectedHalCodecConfig(CodecType codec_type, uint32_t audio_channel_allocation,
                                        uint32_t encoded_audio_bitrate, uint8_t le_audio_type,
                                        Lc3Parameters lc3_config) {
    leAudioCodecConfig_.codecType = codec_type;
    leAudioCodecConfig_.audioChannelAllocation = audio_channel_allocation;
    leAudioCodecConfig_.encodedAudioBitrate = encoded_audio_bitrate;
    leAudioCodecConfig_.le_audio_type = le_audio_type;
    leAudioCodecConfig_.bfi_ext = false;
    leAudioCodecConfig_.plc_method = PlcMethod::STANDARD_PLC;
    leAudioCodecConfig_.lc3Config = lc3_config;
    LOG(INFO) << __func__ << ": LeAudioCodecConfiguration=" << toString(leAudioCodecConfig_);
    return;
  }

  const ConnParam& LeAudioSetConnParameter(uint16_t l_cis_conn_hdl, uint16_t r_cis_conn_hdl, uint8_t bn) {
    connParam_.conn_handle_R = l_cis_conn_hdl;
    connParam_.conn_handle_L = r_cis_conn_hdl;
    connParam_.bn = bn;
    LOG(INFO) << __func__ << ": Connection Parameter=" << toString(connParam_);
    return connParam_;
  }

 private:
  StreamCallbacks stream_cb_;
  uint16_t remote_delay_report_ms_;
  uint64_t total_bytes_read_;
  timespec data_position_;
  PcmParameters_2_1 pcm_config_;
  LeAudioCodecConfiguration leAudioCodecConfig_;
  ConnParam connParam_;
};


class LeAudioSourceTransport
    : public bluetooth::audio::IBluetoothSourceTransportInstance {
 public:
  LeAudioSourceTransport(SessionType_2_1 sessionType, StreamCallbacks stream_cb)
      : IBluetoothSourceTransportInstance(
            sessionType, {}),
        stream_cb_(std::move(stream_cb)),
        remote_delay_report_ms_(0),
        total_bytes_written_(0),
        data_position_({}),
        /*pcm_config_({SampleRate::RATE_16000, ChannelMode::MONO,
                     BitsPerSample::BITS_16}){};*/
        /** M: Fix for build pass @{ */
        pcm_config_({SampleRate_2_1::RATE_16000, ChannelMode::MONO,
                     BitsPerSample::BITS_16, LhdcLowLatencyEn::Disabled, 0}){};
        /** @} */

  BluetoothAudioCtrlAck StartRequest() override {
    LOG(INFO) << __func__;
    if (stream_cb_.on_resume_(true)) {
      return BluetoothAudioCtrlAck::SUCCESS_FINISHED;
    }
    return BluetoothAudioCtrlAck::FAILURE;
  }

  BluetoothAudioCtrlAck SuspendRequest() override {
    LOG(INFO) << __func__;
    if (stream_cb_.on_suspend_()) {
      if (!::bluetooth::audio::le_audio::is_leaudio_offload_enabled()) {
        /* TODO (gkolodziejczyk): Clean exact value of buffer */
        uint8_t p_buf[AUDIO_STREAM_OUTPUT_BUFFER_SZ * 2];
        ::bluetooth::audio::le_audio::read(p_buf, sizeof(p_buf));
      }
      return BluetoothAudioCtrlAck::SUCCESS_FINISHED;
    } else {
      return BluetoothAudioCtrlAck::FAILURE;
    }
  }

  void StopRequest() override {
    LOG(INFO) << __func__;
    if (stream_cb_.on_suspend_()) {
      if (!::bluetooth::audio::le_audio::is_leaudio_offload_enabled()) {
        // flush
        /* TODO (gkolodziejczyk): Clean exact value of buffer */
        uint8_t p_buf[AUDIO_STREAM_OUTPUT_BUFFER_SZ * 2];
        ::bluetooth::audio::le_audio::read(p_buf, sizeof(p_buf));
      }
    }
  }

  /* TODO (gkolodziejczyk): Shouldn't this be in oposite ? Set for AF */
  bool GetPresentationPosition(uint64_t* remote_delay_report_ns,
                               uint64_t* total_bytes_written,
                               timespec* data_position) override {
    VLOG(2) << __func__ << ": data=" << total_bytes_written_
            << " byte(s), timestamp=" << data_position_.tv_sec << "."
            << data_position_.tv_nsec
            << "s, delay report=" << remote_delay_report_ms_ << " msec.";
    if (remote_delay_report_ns != nullptr) {
      *remote_delay_report_ns = remote_delay_report_ms_ * 1000000u;
    }
    if (total_bytes_written != nullptr)
      *total_bytes_written = total_bytes_written_;
    if (data_position != nullptr) *data_position = data_position_;

    return true;
  }

  void MetadataChanged(const source_metadata_t& source_metadata) override {
    auto track_count = source_metadata.track_count;
    auto tracks = source_metadata.tracks;
    LOG(INFO) << __func__ << ": " << track_count << " track(s) received";
    while (track_count) {
      VLOG(1) << __func__ << ": usage=" << tracks->usage
              << ", content_type=" << tracks->content_type
              << ", gain=" << tracks->gain;
      --track_count;
      ++tracks;
    }
  }

  void EnterGameMode(int enter) override {
    VLOG(1) << __func__ << ": ble audio Source enter = " << enter;
    stream_cb_.on_gamemode_(enter);
  }

  void ResetPresentationPosition() override {
    VLOG(2) << __func__ << ": called.";
    remote_delay_report_ms_ = 0;
    total_bytes_written_ = 0;
    data_position_ = {};
  }

  void LogBytesWritten(size_t bytes_written) override {
    if (bytes_written) {
      total_bytes_written_ += bytes_written;
      clock_gettime(CLOCK_MONOTONIC, &data_position_);
    }
  }

  void LogBytesRead(size_t bytes_read) override {
  }

  bool* GetBluetoothStateAddress() {
    return &gLeSourceState;
  }

  void SetRemoteDelay(uint16_t delay_report_ms) {
    LOG(INFO) << __func__ << ": delay_report=" << delay_report_ms << " msec";
    remote_delay_report_ms_ = delay_report_ms;
  }

  const PcmParameters_2_1& LeAudioGetSelectedHalPcmConfig() { return pcm_config_; }

  void LeAudioSetSelectedHalPcmConfig(SampleRate_2_1 sample_rate,
                                      BitsPerSample bit_rate,
                                      ChannelMode channel_mode,
                                      int data_interval_ms) {
    pcm_config_.sampleRate = sample_rate;
    pcm_config_.bitsPerSample = bit_rate;
    pcm_config_.channelMode = channel_mode;
    pcm_config_.dataIntervalUs = data_interval_ms*1000;
  }

  const LeAudioCodecConfiguration& LeAudioGetSelectedHalCodecConfig() {
    return leAudioCodecConfig_;
  }

  void LeAudioSetSelectedHalCodecConfig(CodecType codec_type, uint32_t audio_channel_allocation,
                                        uint32_t encoded_audio_bitrate, uint8_t le_audio_type,
                                        Lc3Parameters lc3_config) {
    leAudioCodecConfig_.codecType = codec_type;
    leAudioCodecConfig_.audioChannelAllocation = audio_channel_allocation;
    leAudioCodecConfig_.encodedAudioBitrate = encoded_audio_bitrate;
    leAudioCodecConfig_.le_audio_type = le_audio_type;
    leAudioCodecConfig_.bfi_ext = false;
    leAudioCodecConfig_.plc_method = PlcMethod::STANDARD_PLC;
    leAudioCodecConfig_.lc3Config = lc3_config;
    LOG(INFO) << __func__ << ": LeAudioCodecConfiguration=" << toString(leAudioCodecConfig_);
    return;
  }

 const ConnParam& LeAudioSetConnParameter(uint16_t l_cis_conn_hdl, uint16_t r_cis_conn_hdl, uint8_t bn) {
     connParam_.conn_handle_R = l_cis_conn_hdl;
     connParam_.conn_handle_L = r_cis_conn_hdl;
     connParam_.bn = bn;
     LOG(INFO) << __func__ << ": Connection Parameter=" << toString(connParam_);
     return connParam_;
  }

 private:
  StreamCallbacks stream_cb_;
  uint16_t remote_delay_report_ms_;
  uint64_t total_bytes_written_;
  timespec data_position_;
  PcmParameters_2_1 pcm_config_;
  LeAudioCodecConfiguration leAudioCodecConfig_;
  ConnParam connParam_;
};

// Instance of Le Audio to provide call-in APIs for Bluetooth Audio Hal
LeAudioSinkTransport* le_audio_sink = nullptr;
LeAudioSourceTransport* le_audio_source = nullptr;
// Common interfaces to call-out into Bluetooth Audio Hal
bluetooth::audio::BluetoothAudioSinkClientInterface*
    le_audio_sink_hal_clientinterface = nullptr;
bluetooth::audio::BluetoothAudioSourceClientInterface*
    le_audio_source_hal_clientinterface = nullptr;
bool btaudio_le_audio_disabled = false;
bool is_configured = false;

// Save the value if the remote reports its delay before le_audio_sink is
// initialized
uint16_t remote_delay_ms = 0;

bool is_hal_2_0_force_disabled() {
  if (!is_configured) {
    btaudio_le_audio_disabled =
        osi_property_get_bool(BLUETOOTH_AUDIO_HAL_PROP_DISABLED, false);
    is_configured = true;
  }
  return btaudio_le_audio_disabled;
}

}  // namespace

namespace bluetooth {
namespace audio {
namespace le_audio {

/* TODO (gkolodziejczyk): Do it smarter. btw. do this really check if hal 2.0 is
 * enabled ?
 */
bool is_sink_hal_enabled() {
  return le_audio_sink_hal_clientinterface != nullptr;
}

bool is_source_hal_enabled() {
  return le_audio_source_hal_clientinterface != nullptr;
}

//TODO
bool is_leaudio_offload_enabled() {
  if (g_leaudio_offload_mode == LE_AUDIO_OFFLOAD_MODE_UNINIT) {
    char value[PROPERTY_VALUE_MAX];
    value[0] = '\0';
    osi_property_get(LE_AUDIO_OFFLOAD_PROP, value, "off");
    g_leaudio_offload_mode = 0;
    if (strcmp(value,"ums-cg") == 0) {
      g_leaudio_offload_mode |= LE_AUDIO_OFFLOAD_UMS;
      g_leaudio_offload_mode |= LE_AUDIO_OFFLOAD_CG;
    }
    LOG(INFO) << __func__ << ", le offload prop value: " << value <<" mode: " << g_leaudio_offload_mode;
  }
  return (g_leaudio_offload_mode & (LE_AUDIO_OFFLOAD_UMS | LE_AUDIO_OFFLOAD_CG)) ? true:false;
}
/* TODO (gkolodziejczyk): Think about optimization sink and source methods */
bool init_sink(StreamCallbacks stream_cb,
               bluetooth::common::MessageLoopThread* message_loop) {
  LOG(INFO) << __func__;

  if (is_hal_2_0_force_disabled()) {
    LOG(ERROR) << __func__ << ": BluetoothAudio HAL is disabled";
    return false;
  }

  if (is_leaudio_offload_enabled()) {
    le_audio_sink =
        new LeAudioSinkTransport(
        SessionType_2_1::LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH,std::move(stream_cb));
  } else {
    le_audio_sink =
        new LeAudioSinkTransport(
        SessionType_2_1::LE_AUDIO_SOFTWARE_ENCODING_DATAPATH, std::move(stream_cb));
  }
  le_audio_sink_hal_clientinterface =
      new BluetoothAudioSinkClientInterface(le_audio_sink,message_loop);
  if (!le_audio_sink_hal_clientinterface->IsValid()) {
    LOG(WARNING) << __func__
                 << ": BluetoothAudio HAL for Le Audio is invalid?!";
    delete le_audio_sink_hal_clientinterface;
    le_audio_sink_hal_clientinterface = nullptr;
    delete le_audio_sink;
    le_audio_sink = nullptr;
    return false;
  }

  if (remote_delay_ms != 0) {
    LOG(INFO) << __func__ << ": restore DELAY " << remote_delay_ms << " ms";
    le_audio_sink->SetRemoteDelay(remote_delay_ms);
    remote_delay_ms = 0;
  }
  gLeSinkState = true;
  LOG(INFO) << __func__ << ": gLeSinkState = " << (bool*)&gLeSinkState;
  return true;
}

bool init_source(StreamCallbacks stream_cb,
                 bluetooth::common::MessageLoopThread* message_loop) {
  LOG(INFO) << __func__;

  if (is_hal_2_0_force_disabled()) {
    LOG(ERROR) << __func__ << ": BluetoothAudio HAL is disabled";
    return false;
  }

  if (is_leaudio_offload_enabled()) {
    le_audio_source =
        new LeAudioSourceTransport(
        SessionType_2_1::LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH,std::move(stream_cb));
  } else {
    le_audio_source =
        new LeAudioSourceTransport(
        SessionType_2_1::LE_AUDIO_SOFTWARE_DECODED_DATAPATH, std::move(stream_cb));
  }
  le_audio_source_hal_clientinterface =
      new bluetooth::audio::BluetoothAudioSourceClientInterface(le_audio_source,
                                                                message_loop);
  if (!le_audio_sink_hal_clientinterface->IsValid()) {
    LOG(WARNING) << __func__
                 << ": BluetoothAudio HAL for Le Audio is invalid?!";
    delete le_audio_source_hal_clientinterface;
    le_audio_source_hal_clientinterface = nullptr;
    delete le_audio_source;
    le_audio_source = nullptr;
    return false;
  }

  if (remote_delay_ms != 0) {
    LOG(INFO) << __func__ << ": restore DELAY " << remote_delay_ms << " ms";
    le_audio_source->SetRemoteDelay(remote_delay_ms);
    remote_delay_ms = 0;
  }
  gLeSourceState = true;
  LOG(INFO) << __func__ << ": gLeSourceState = " << (bool*)&gLeSourceState;
  return true;
}

void cleanup_sink() {
  LOG(INFO) << __func__;
  gLeSinkState = false;
  if (!is_sink_hal_enabled()) return;
  end_sink_session();
  delete le_audio_sink_hal_clientinterface;
  le_audio_sink_hal_clientinterface = nullptr;
  delete le_audio_sink;
  le_audio_sink = nullptr;
  remote_delay_ms = 0;
}

void cleanup_source() {
  LOG(INFO) << __func__;
  gLeSourceState = false;
  if (!is_source_hal_enabled()) return;
  end_source_session();
  delete le_audio_source_hal_clientinterface;
  le_audio_source_hal_clientinterface = nullptr;
  delete le_audio_source;
  le_audio_source = nullptr;
  remote_delay_ms = 0;
}

void start_sink_session() {
  LOG(INFO) << __func__;
  if (!is_sink_hal_enabled()) return;
  AudioConfiguration_2_1 audio_config;
  if (is_leaudio_offload_enabled()) {
    audio_config.leAudioCodecConfig(le_audio_sink->LeAudioGetSelectedHalCodecConfig());
  } else {
    audio_config.pcmConfig(le_audio_sink->LeAudioGetSelectedHalPcmConfig());
  }
  if (!le_audio_sink_hal_clientinterface->UpdateAudioConfig_2_1(audio_config)) {
  LOG(ERROR) << __func__ << ": cannot update audio config to HAL";
    return;
  }
  le_audio_sink_hal_clientinterface->StartSession_2_1();
}

void start_source_session() {
  LOG(INFO) << __func__;
  if (!is_source_hal_enabled()) return;
  AudioConfiguration_2_1 audio_config;
  if (is_leaudio_offload_enabled()) {
    audio_config.leAudioCodecConfig(le_audio_source->LeAudioGetSelectedHalCodecConfig());
  } else {
    audio_config.pcmConfig(le_audio_source->LeAudioGetSelectedHalPcmConfig());
  }
  if (!le_audio_source_hal_clientinterface->UpdateAudioConfig_2_1(audio_config)) {
    LOG(ERROR) << __func__ << ": cannot update audio config to HAL";
    return;
  }
  le_audio_source_hal_clientinterface->StartSession_2_1();
}

void update_source_conn_param(uint16_t l_cis_conn_hdl, uint16_t r_cis_conn_hdl, uint8_t bn) {
  LOG(INFO) << __func__;
  if (!is_source_hal_enabled()) return;
  AudioConfiguration_2_1 audio_config;
  if (is_leaudio_offload_enabled()) {
    if (!le_audio_source_hal_clientinterface->UpdateConnParam(
              le_audio_source->LeAudioSetConnParameter(l_cis_conn_hdl, r_cis_conn_hdl, bn))) {
      LOG(ERROR) << __func__ << ": cannot update connection parameter to HAL";
      return;
    }
  }
}

void update_sink_conn_param(uint16_t l_cis_conn_hdl, uint16_t r_cis_conn_hdl, uint8_t bn) {
  LOG(INFO) << __func__;
  if (!is_source_hal_enabled()) return;
  if (is_leaudio_offload_enabled()) {
    if (!le_audio_sink_hal_clientinterface->UpdateConnParam(
              le_audio_sink->LeAudioSetConnParameter(l_cis_conn_hdl, r_cis_conn_hdl, bn))) {
      LOG(ERROR) << __func__ << ": cannot update connection parameter to HAL";
      return;
    }
  }
}

void end_sink_session() {
  LOG(INFO) << __func__;
  if (!is_sink_hal_enabled()) return;
  le_audio_sink_hal_clientinterface->EndSession();
}

void end_source_session() {
  LOG(INFO) << __func__;
  if (!is_source_hal_enabled()) return;
  le_audio_source_hal_clientinterface->EndSession();
}

size_t read(uint8_t* p_buf, uint32_t len) {
  if (!is_sink_hal_enabled()) return 0;
  return le_audio_sink_hal_clientinterface->ReadAudioData(p_buf, len);
}

size_t write(const uint8_t* p_buf, uint32_t len) {
  if (!is_source_hal_enabled()) return 0;
  return le_audio_source_hal_clientinterface->WriteAudioData(p_buf, len);
}

// Update Le Audio delay report to BluetoothAudio HAL
void set_sink_remote_delay(uint16_t delay_report_ms) {
  if (!is_sink_hal_enabled()) {
    LOG(INFO) << __func__ << ":  not ready for DelayReport " << delay_report_ms
              << " ms";
    remote_delay_ms = delay_report_ms;
    return;
  }
  LOG(INFO) << __func__ << ": delay_report_ms=" << delay_report_ms << " ms";
  le_audio_sink->SetRemoteDelay(delay_report_ms);
}

void set_source_remote_delay(uint16_t delay_report_ms) {
  if (!is_source_hal_enabled()) {
    LOG(INFO) << __func__ << ":  not ready for DelayReport " << delay_report_ms
              << " ms";
    remote_delay_ms = delay_report_ms;
    return;
  }
  LOG(INFO) << __func__ << ": delay_report_ms=" << delay_report_ms << " ms";
  le_audio_source->SetRemoteDelay(delay_report_ms);
}

static SampleRate_2_1 le_audio_sample_rate2audio_hal(uint32_t sample_rate) {
  switch (sample_rate) {
    case 44100:
      return SampleRate_2_1::RATE_44100;
    case 48000:
      return SampleRate_2_1::RATE_48000;
    case 88200:
      return SampleRate_2_1::RATE_88200;
    case 96000:
      return SampleRate_2_1::RATE_96000;
    case 176400:
      return SampleRate_2_1::RATE_176400;
    case 192000:
      return SampleRate_2_1::RATE_192000;
    case 24000:
      return SampleRate_2_1::RATE_24000;
    case 16000:
      return SampleRate_2_1::RATE_16000;
    case 32000:
      return SampleRate_2_1::RATE_32000;
    case 8000:
      return SampleRate_2_1::RATE_8000;
  };
  return SampleRate_2_1::RATE_UNKNOWN;
}

static BitsPerSample le_audio_bit_rate2audio_hal(uint8_t bitrate) {
  switch (bitrate) {
    case 16:
      return BitsPerSample::BITS_16;
    case 24:
      return BitsPerSample::BITS_24;
    case 32:
      return BitsPerSample::BITS_32;
  };
  return BitsPerSample::BITS_UNKNOWN;
}

static ChannelMode le_audio_channel_mode2audio_hal(uint8_t channel_mode) {
  switch (channel_mode) {
    case 1:
      return ChannelMode::MONO;
    case 2:
      return ChannelMode::STEREO;
  }
  return ChannelMode::UNKNOWN;
}

static Lc3FrameDuration le_audio_duration_mode2audio_hal(uint16_t frame_duration) {
  switch (frame_duration) {
    case 10:
      return Lc3FrameDuration::DURATION_10000US;
  }
  return Lc3FrameDuration::DURATION_7500US;
}

static CodecType le_audio_duration_codec_hal(uint8_t codec_type) {
  return CodecType::LC3;
}

void set_sink_pcm_parameters(uint32_t sample_rate, uint8_t bit_rate,
                             uint8_t channel_mode, int gamemode, int data_interval_ms) {
  le_audio_sink->LeAudioSetSelectedHalPcmConfig(
      le_audio_sample_rate2audio_hal(sample_rate),
      le_audio_bit_rate2audio_hal(bit_rate),
      le_audio_channel_mode2audio_hal(channel_mode),
      gamemode,data_interval_ms);
}

void set_sink_offload_parameters(uint8_t codec_type, uint8_t audio_channel_allocation,
            uint32_t encoded_audio_bitrate, uint8_t le_audio_type, uint32_t bits_per_sample,
            uint32_t sample_rate, uint16_t data_interval_ms, uint32_t sdu_size) {
  Lc3Parameters lc3_config;
  lc3_config.pcmBitDepth = le_audio_bit_rate2audio_hal(bits_per_sample);
  lc3_config.samplingFrequency = le_audio_sample_rate2audio_hal(sample_rate);
  lc3_config.frameDuration = le_audio_duration_mode2audio_hal(data_interval_ms);
  lc3_config.octetsPerFrame = sdu_size;
  lc3_config.blocksPerSdu = 0;
  le_audio_sink->LeAudioSetSelectedHalCodecConfig(le_audio_duration_codec_hal(codec_type),
      (uint32_t)audio_channel_allocation, encoded_audio_bitrate, le_audio_type, lc3_config);
}

void set_source_pcm_parameters(uint32_t sample_rate, uint8_t bit_rate,
                               uint8_t channel_mode, int data_interval_ms) {
  le_audio_source->LeAudioSetSelectedHalPcmConfig(
      le_audio_sample_rate2audio_hal(sample_rate),
      le_audio_bit_rate2audio_hal(bit_rate),
      le_audio_channel_mode2audio_hal(channel_mode),
      data_interval_ms);
}

void set_source_offload_parameters(uint8_t codec_type, uint8_t audio_channel_allocation,
            uint32_t encoded_audio_bitrate, uint8_t le_audio_type, uint32_t bits_per_sample,
            uint32_t sample_rate, uint16_t data_interval_ms, uint32_t sdu_size) {
  Lc3Parameters lc3_config;
  lc3_config.pcmBitDepth = le_audio_bit_rate2audio_hal(bits_per_sample);
  lc3_config.samplingFrequency = le_audio_sample_rate2audio_hal(sample_rate);
  lc3_config.frameDuration = le_audio_duration_mode2audio_hal(data_interval_ms);
  lc3_config.octetsPerFrame = sdu_size;
  lc3_config.blocksPerSdu = 0;
  le_audio_source->LeAudioSetSelectedHalCodecConfig(le_audio_duration_codec_hal(codec_type),
      (uint32_t)audio_channel_allocation, encoded_audio_bitrate, le_audio_type, lc3_config);
}

}  // namespace le_audio
}  // namespace audio
}  // namespace bluetooth