/* Copyright (C) 2014
 * swift project community / contributors
 *
 * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
 * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
 * including this file, may be copied, modified, propagated, or distributed except according to the terms
 * contained in the LICENSE file.
 */

//! \file

#ifndef BLACKCORE_AUDIODEVICEVATLIB_H
#define BLACKCORE_AUDIODEVICEVATLIB_H

#include "blackcoreexport.h"
#include "audiodevice.h"
#include "blackmisc/audio/audiodeviceinfo.h"
#include "blackmisc/audio/audiodeviceinfolist.h"
#include "vatlib/vatlib2.h"
#include <QObject>

namespace BlackCore
{
    //! Audio Input Device
    class BLACKCORE_EXPORT CAudioInputDeviceVatlib : public IAudioInputDevice
    {
        Q_OBJECT

    public:

        //! Constructor
        CAudioInputDeviceVatlib(VatAudioService audioService, QObject *parent = nullptr);

        //! Destructor
        virtual ~CAudioInputDeviceVatlib() = default;

        //! \copydoc IAudioInputDevice::getOutputDevices
        virtual const BlackMisc::Audio::CAudioDeviceInfoList &getInputDevices() const override;

        //! \copydoc IAudioInputDevice::getDefaultInputDevice
        virtual const BlackMisc::Audio::CAudioDeviceInfo &getDefaultInputDevice() const override;

        //! \copydoc IAudioInputDevice::getCurrentInputDevice
        virtual const BlackMisc::Audio::CAudioDeviceInfo &getCurrentInputDevice() const override;

        //! \copydoc IAudioInputDevice::setInputDevice
        virtual void setInputDevice(const BlackMisc::Audio::CAudioDeviceInfo &device) override;

        //! Get vatlib input device pointer
        VatLocalInputCodec getVatLocalInputCodec() { return m_inputCodec.data(); }

    private:

        struct VatLocalInputCodecDeleter
        {
            static inline void cleanup(VatProducer_tag *obj)
            {
                if (obj) Vat_DestroyLocalInputCodec(obj);
            }
        };

        static void onInputHardwareDeviceReceived(int deviceIndex, const char *hardwareName, void *cbVar);

        BlackMisc::Audio::CAudioDeviceInfoList m_devices; /*!< in and output devices */
        BlackMisc::Audio::CAudioDeviceInfo m_currentDevice;

        VatAudioService m_audioService;
        QScopedPointer<VatProducer_tag, VatLocalInputCodecDeleter> m_inputCodec;
    };

    //! Audio Output Device
    class CAudioOutputDeviceVatlib : public IAudioOutputDevice
    {
        Q_OBJECT

    public:

        //! Constructor
        CAudioOutputDeviceVatlib(VatAudioService audioService, QObject *parent = nullptr);

        //! Destructor
        virtual ~CAudioOutputDeviceVatlib() = default;

        //! \copydoc IAudioOutputDevice::getOutputDevices
        virtual const BlackMisc::Audio::CAudioDeviceInfoList &getOutputDevices() const override;

        //! \copydoc IAudioOutputDevice::getDefaultOutputDevice
        virtual const BlackMisc::Audio::CAudioDeviceInfo &getDefaultOutputDevice() const override;

        //! \copydoc IAudioOutputDevice::getCurrentOutputDevice
        virtual const BlackMisc::Audio::CAudioDeviceInfo &getCurrentOutputDevice() const override;

        //! \copydoc IAudioOutputDevice::setOutputDevice
        virtual void setOutputDevice(const BlackMisc::Audio::CAudioDeviceInfo &device) override;

        //! \copydoc IAudioOutputDevice::setOutputVolume
        virtual void setOutputVolume(int volume) override;

        //! \copydoc IAudioOutputDevice::getOutputVolume
        virtual int getOutputVolume() const override;

        //! Get vatlib output device pointer
        VatLocalOutputCodec getVatLocalOutputCodec() { return m_outputCodec.data(); }

    private:

        struct VatLocalOutputCodecDeleter
        {
            static inline void cleanup(VatConsumer_tag *obj)
            {
                if (obj) Vat_DestroyLocalOutputCodec(obj);
            }
        };

        static void onOutputHardwareDeviceReceived(int deviceIndex, const char *hardwareName, void *cbVar);


        BlackMisc::Audio::CAudioDeviceInfoList m_devices; /*!< in and output devices */
        BlackMisc::Audio::CAudioDeviceInfo m_currentDevice;

        VatAudioService m_audioService;
        QScopedPointer<VatConsumer_tag, VatLocalOutputCodecDeleter> m_outputCodec;
    };
}

#endif // guard