#pragma once

#include "miniaudio.h"

#include <atomic>
#include <memory>

struct PlaybackState {
    ma_decoder decoder {};
    std::atomic<bool> finished { false };
};

class PlaybackEngine {
  public:
    PlaybackEngine ();
    ~PlaybackEngine ();

    static void data_callback ( ma_device *pDevice, void *pOutput, const void *, ma_uint32 frameCount );
    void configureDevice ();
    void configureDecoder ();
    void initDevice ();
    void initDecoder ( const char *filePath );
    void uninitDecoder();

    void startPlayback ();
    void stopPlayback ();
    void pausePlayback () { stopPlayback(); };
    void seek ( ma_uint64 frame );
    int isFinished () const;

    ma_uint64 getPosition ();

  private:
    ma_device device_;
    ma_format format_;
    unsigned int channels_;
    unsigned int sampleRate_;
    PlaybackState state;

    ma_uint64 cursor_;
    // config
    ma_decoder_config decoderConfig;
    ma_device_config deviceConfig;
};