/* Copyright (C) 2013 VATSIM Community / authors
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef BLACKCORE_VOICE_VATLIB_H
#define BLACKCORE_VOICE_VATLIB_H

#include "voice.h"
#include <vatlib/vatlib2.h>

#include <QString>
#include <QScopedPointer>
#include <QSharedPointer>

#ifdef Q_OS_WIN
#ifndef NOMINMAX
#define NOMINMAX
#endif
#include <Windows.h>
#endif

//! \file

namespace BlackCore
{
    //! Vatlib implementation of the IVoice interface.
    class CVoiceVatlib : public IVoice
    {
        Q_OBJECT

    public:

        //! Default constructor
        CVoiceVatlib(QObject *parent = nullptr);

        //! Destructor
        virtual ~CVoiceVatlib();

        //! \copydoc IVoice::createVoiceChannel()
        virtual QSharedPointer<IVoiceChannel> createVoiceChannel() override;

        //! \copydoc IVoice::createInputDevice()
        virtual std::unique_ptr<IAudioInputDevice> createInputDevice() override;

        //! \copydoc IVoice::createOutputDevice()
        virtual std::unique_ptr<IAudioOutputDevice> createOutputDevice() override;

        //! \copydoc IVoice::createAudioMixer()
        virtual std::unique_ptr<IAudioMixer> createAudioMixer() override;

        //! \copydoc IVoice::connectVoice()
        virtual void connectVoice(IAudioInputDevice *device, IAudioMixer *mixer, IAudioMixer::InputPort inputPort) override;

        //! \copydoc IVoice::connectVoice()
        virtual void connectVoice(IVoiceChannel *channel, IAudioMixer *mixer, IAudioMixer::InputPort inputPort) override;

        //! \copydoc IVoice::connectVoice()
        virtual void connectVoice(IAudioMixer *mixer, IAudioMixer::OutputPort outputPort, IAudioOutputDevice *device) override;

        //! \copydoc IVoice::connectVoice()
        virtual void connectVoice(IAudioMixer *mixer, IAudioMixer::OutputPort outputPort, IVoiceChannel *channel) override;

        //! \copydoc IVoice::disconnectVoice()
        void disconnectVoice(IAudioInputDevice *device) override;

        //! \copydoc IVoice::disconnectVoice()
        void disconnectVoice(IVoiceChannel *channel) override;

        //! \copydoc IVoice::disconnectVoice()
        void disconnectVoice(IAudioMixer *mixer, IAudioMixer::OutputPort outputPort) override;

    protected: // QObject overrides

        //! Process voice lib
        virtual void timerEvent(QTimerEvent *);

    private:

        // this struct calls "myCustomDeallocator" to delete the pointer
        struct VatAudioServiceDeleter
        {
            static inline void cleanup(VatAudioService_tag *obj)
            {
                Vat_DestroyAudioService(obj);
            }
        };

        struct VatUDPAudioPortDeleter
        {
            static inline void cleanup(VatUDPAudioPort_tag *obj)
            {
                Vat_DestroyUDPAudioPort(obj);
            }
        };

        static void voiceErrorHandler(const char *message);

        QScopedPointer<VatAudioService_tag, VatAudioServiceDeleter> m_audioService;
        QScopedPointer<VatUDPAudioPort_tag, VatUDPAudioPortDeleter> m_udpPort;

    };

} // namespace

#endif // guard