/*
 *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#ifndef SDK_IOS_NATIVE_API_AUDIO_DEVICE_MODULE_AUDIO_DEVICE_IOS_H_
#define SDK_IOS_NATIVE_API_AUDIO_DEVICE_MODULE_AUDIO_DEVICE_IOS_H_

#include <memory>

#include "audio_device_ios.h"

#include "modules/audio_device/audio_device_buffer.h"
#include "modules/audio_device/include/audio_device.h"
#include "rtc_base/checks.h"
#include "rtc_base/criticalsection.h"


namespace webrtc {

class AudioDeviceGeneric;

namespace ios_adm {

  class AudioDeviceModuleIOS : public AudioDeviceModule {

  public:

    int32_t AttachAudioBuffer();

    AudioDeviceModuleIOS();
    ~AudioDeviceModuleIOS() override;

    // Retrieve the currently utilized audio layer
    int32_t ActiveAudioLayer(AudioLayer* audioLayer) const override;

    // Full-duplex transportation of PCM audio
    int32_t RegisterAudioCallback(AudioTransport* audioCallback) override;

    // Main initializaton and termination
    int32_t Init() override;
    int32_t Terminate() override;
    bool Initialized() const override;

    // Device enumeration
    int16_t PlayoutDevices() override;
    int16_t RecordingDevices() override;
    int32_t PlayoutDeviceName(uint16_t index,
                              char name[kAdmMaxDeviceNameSize],
                              char guid[kAdmMaxGuidSize]) override;
    int32_t RecordingDeviceName(uint16_t index,
                                char name[kAdmMaxDeviceNameSize],
                                char guid[kAdmMaxGuidSize]) override;

    // Device selection
    int32_t SetPlayoutDevice(uint16_t index) override;
    int32_t SetPlayoutDevice(WindowsDeviceType device) override;
    int32_t SetRecordingDevice(uint16_t index) override;
    int32_t SetRecordingDevice(WindowsDeviceType device) override;

    // Audio transport initialization
    int32_t PlayoutIsAvailable(bool* available) override;
    int32_t InitPlayout() override;
    bool PlayoutIsInitialized() const override;
    int32_t RecordingIsAvailable(bool* available) override;
    int32_t InitRecording() override;
    bool RecordingIsInitialized() const override;

    // Audio transport control
    int32_t StartPlayout() override;
    int32_t StopPlayout() override;
    bool Playing() const override;
    int32_t StartRecording() override;
    int32_t StopRecording() override;
    bool Recording() const override;

    // Audio mixer initialization
    int32_t InitSpeaker() override;
    bool SpeakerIsInitialized() const override;
    int32_t InitMicrophone() override;
    bool MicrophoneIsInitialized() const override;

    // Speaker volume controls
    int32_t SpeakerVolumeIsAvailable(bool* available) override;
    int32_t SetSpeakerVolume(uint32_t volume) override;
    int32_t SpeakerVolume(uint32_t* volume) const override;
    int32_t MaxSpeakerVolume(uint32_t* maxVolume) const override;
    int32_t MinSpeakerVolume(uint32_t* minVolume) const override;

    // Microphone volume controls
    int32_t MicrophoneVolumeIsAvailable(bool* available) override;
    int32_t SetMicrophoneVolume(uint32_t volume) override;
    int32_t MicrophoneVolume(uint32_t* volume) const override;
    int32_t MaxMicrophoneVolume(uint32_t* maxVolume) const override;
    int32_t MinMicrophoneVolume(uint32_t* minVolume) const override;

    // Speaker mute control
    int32_t SpeakerMuteIsAvailable(bool* available) override;
    int32_t SetSpeakerMute(bool enable) override;
    int32_t SpeakerMute(bool* enabled) const override;

    // Microphone mute control
    int32_t MicrophoneMuteIsAvailable(bool* available) override;
    int32_t SetMicrophoneMute(bool enable) override;
    int32_t MicrophoneMute(bool* enabled) const override;

    // Stereo support
    int32_t StereoPlayoutIsAvailable(bool* available) const override;
    int32_t SetStereoPlayout(bool enable) override;
    int32_t StereoPlayout(bool* enabled) const override;
    int32_t StereoRecordingIsAvailable(bool* available) const override;
    int32_t SetStereoRecording(bool enable) override;
    int32_t StereoRecording(bool* enabled) const override;

    // Delay information and control
    int32_t PlayoutDelay(uint16_t* delayMS) const override;

    bool BuiltInAECIsAvailable() const override;
    int32_t EnableBuiltInAEC(bool enable) override;
    bool BuiltInAGCIsAvailable() const override;
    int32_t EnableBuiltInAGC(bool enable) override;
    bool BuiltInNSIsAvailable() const override;
    int32_t EnableBuiltInNS(bool enable) override;

#if defined(WEBRTC_IOS)
    int GetPlayoutAudioParameters(AudioParameters* params) const override;
    int GetRecordAudioParameters(AudioParameters* params) const override;
#endif  // WEBRTC_IOS
    private:
    bool initialized_ = false;
    std::unique_ptr<AudioDeviceIOS> audio_device_;
    std::unique_ptr<AudioDeviceBuffer> audio_device_buffer_;

  };
} // namespace ios_adm
} // namespace webrtc

#endif  // SDK_IOS_NATIVE_API_AUDIO_DEVICE_MODULE_AUDIO_DEVICE_IOS_H_