#pragma once

#include <bitset>

namespace chocochip8 {

  constexpr size_t gcWidth = 128;
  constexpr size_t gcHeight = 64;
  using Scanline = std::bitset<gcWidth>;

  enum class Key {
    KEY_0, KEY_1, KEY_2, KEY_3,
    KEY_4, KEY_5, KEY_6, KEY_7,
    KEY_8, KEY_9, KEY_A, KEY_B,
    KEY_C, KEY_D, KEY_E, KEY_F
  };

  class Display {
  public:
    virtual ~Display() = default;
    virtual int blit(const Scanline& spriteScanline, int y) = 0;
    virtual void clear() = 0;
  };

  class Buzzer {
  public:
    virtual ~Buzzer() = default;
    virtual void on() = 0;
    virtual void off() = 0;
  };

  class Keypad {
  public:
    virtual ~Keypad() = default;
    virtual bool isKeyPressed(Key key) = 0;
  };

  class CountdownTimer {
  public:
    virtual ~CountdownTimer() = default;
    virtual void set(unsigned value) = 0;
    virtual unsigned get() const = 0;
  };

}; // namespace chocochip8