#ifndef __MENU_H
#define __MENU_H

#include "wiring.h"
#include "settings.h"

#define MENU_ROW_HEIGHT 9
#define MENU_HEADER_OFFSET 12
#define MENU_NUM_ROWS 6
#define ADJUST_NUM_ROWS 3
#define ADJUST_ROW_HEIGHT 22

extern const unsigned long debounceDelay;           // the debounce time; increase if the output flickers
extern const unsigned long buttonRepeatInterval;
extern const unsigned long buttonRepeatDelay;
extern const unsigned long cursorBlinkInterval;    // the cursor blink toggle interval time
extern const unsigned long patchViewTimeUp;       // ms until patch view shuts off
extern const unsigned long menuTimeUp;           // menu shuts off after one minute of button inactivity

struct InputState {
  bool changed = false;
  bool btnMenu = false;
  bool btnVal1 = false;
  bool btnVal2 = false;
  bool btnPreset = false;
  int knobMenu = 0;
  int knobVal1 = 0;
  int knobVal2 = 0;
  int knobPreset = 0;
};

class MenuScreen {
  public:
    MenuScreen() {};
    virtual const char *title() { return ""; };
    virtual const char* summary(state_t& state) { return ""; };
    virtual void update(state_t &state, InputState &input, bool redraw) = 0;

    virtual void exit() { };
    virtual ~MenuScreen() {};
};

void initDisplay();
bool inMenu();
void displayOff(state_t &state);
void showVersion();
void displayError(const char *error);
void handleMenu(state_t &state, bool draw);

#endif