const int buttonScrollPin = 2;
const int buttonSelectPin = 4;
const int blueLedPin = 13;
const int greenLedPin = 12;

volatile bool scrollingEnabled = true;
volatile bool menuItemSelected = false;
volatile int menuIndex = 0;
volatile bool lastScrollState = HIGH;
volatile bool lastSelectState = HIGH;
volatile int item=1;
unsigned long debounceDelay = 50;  // Debounce delay in milliseconds

void setup() {
  pinMode(buttonScrollPin, INPUT_PULLUP);
  pinMode(buttonSelectPin, INPUT_PULLUP);
  pinMode(blueLedPin, OUTPUT);
  pinMode(greenLedPin, OUTPUT);

  Serial.begin(9600);
}

void loop() {
  if (scrollingEnabled) {
    if (digitalRead(buttonScrollPin) == LOW && lastScrollState == HIGH) {
      if (buttonScrollPin) {
        menuIndex++;
        digitalWrite(blueLedPin, HIGH);
        delay(100);
        digitalWrite(blueLedPin, LOW);
        Serial.print(menuIndex);
        Serial.print(". Opt");
        Serial.print(item);
        Serial.println(menuItemSelected ? " Yes" : " No");
        item++;
        if(item>5){
          item=1;
        }
      }
    }
    lastScrollState = digitalRead(buttonScrollPin);
  }

  if (menuItemSelected) {
    digitalWrite(greenLedPin, HIGH);
  } else {
    digitalWrite(greenLedPin, LOW);
  }

  if (digitalRead(buttonSelectPin) == LOW && lastSelectState == HIGH) {
    if (buttonSelectPin) {
      menuItemSelected = !menuItemSelected;
      scrollingEnabled = !menuItemSelected;
       Serial.print("Menu Index_ ");
      Serial.print(menuIndex);
      Serial.println(menuItemSelected ? " Yes" : " No");
    }
  }
  lastSelectState = digitalRead(buttonSelectPin);
}