#pragma once

#include <vector>
#include <SDL2/SDL_audio.h>

class Buzzer {
public:
  using sample_t = Sint16;

  Buzzer(unsigned frequency);
  ~Buzzer();

  void on();
  void off();

private:
  static void SDLCALL audioCallback(void *userdata, Uint8 *stream, int len);
  void copySamples(Uint8 *stream, int len);

private:
  std::vector<sample_t> mSamples;
  SDL_AudioDeviceID mAudioDevice;
  size_t miCurrentSample;
};