#ifndef SOUNDMANAGER_H
#define SOUNDMANAGER_H

#include <QObject>
#include <QString>
#include <windows.h>
#include <dshow.h>
#include <mmdeviceapi.h>
#include <audioclient.h>
#include <audiopolicy.h>

class SoundManager : public QObject
{
    Q_OBJECT

public:
    explicit SoundManager(QObject *parent = 0);
    ~SoundManager();

    enum SoundChannel {
        Channel1 = 0,
        Channel2 = 1
    };

    bool loadSound(SoundChannel channel, const QString &filePath);
    bool playSound(SoundChannel channel);
    bool pauseSound(SoundChannel channel);
    bool stopSound(SoundChannel channel);
    void setVolume(SoundChannel channel, int volume); // 0-100
    bool isPlaying(SoundChannel channel);

private:
    struct SoundDevice {
        IGraphBuilder *graphBuilder;
        IMediaControl *mediaControl;
        IMediaPosition *mediaPosition;
        IBasicAudio *basicAudio;
        IBaseFilter *audioRenderer;
        IAudioSessionManager2 *sessionManager;
        IAudioSessionControl *sessionControl;
        bool isLoaded;
    };

    SoundDevice m_channels[2];

    bool initializeChannel(SoundChannel channel);
    void cleanupChannel(SoundChannel channel);
    IBaseFilter* createAudioRenderer();
};

#endif // SOUNDMANAGER_H