#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 10, 9, 8, 7);
const int buttonUpPin = 4;
const int buttonDownPin = 6;
const int buttonSelectPin = 5;
const int led1Pin = 2;
const int led2Pin = 3;
int currentOption = 0;
int totalOptions = 8;
void setup() {
  lcd.begin(16, 2);
  lcd.print("Select option:");
  pinMode(led1Pin, OUTPUT);
  pinMode(led2Pin, OUTPUT);
  displayMenu();
}
void loop() {
  if (digitalRead(buttonUpPin) == HIGH) {
    navigateUp();
  }
  if (digitalRead(buttonDownPin) == HIGH) {
    navigateDown();
  }
  if (digitalRead(buttonSelectPin) == HIGH) {
    selectOption();
  }
}
void navigateUp() {
  currentOption = (currentOption - 1 + totalOptions) % totalOptions;
  displayMenu();
  delay(200); // Add a small delay to debounce the button
}
void navigateDown() {
  currentOption = (currentOption + 1) % totalOptions;
  displayMenu();
  delay(200); // Add a small delay to debounce the button
}
void selectOption() {
  lcd.clear();
  lcd.print("Option selected:");
  lcd.setCursor(0, 1);
  lcd.print("-----------------");
  delay(2000);

  if (currentOption == 0) {
    lcd.clear();
    lcd.print("LED Control:");
    lcd.setCursor(0, 1);
    lcd.print("1: LED1   2: LED2");
    int selectedLed = waitForLedSelection();  // Wait for LED selection
    if (selectedLed == 1) {
      lcd.clear();
      lcd.print("LED1 selected");
      digitalWrite(led1Pin, HIGH);
      delay(2000);
      digitalWrite(led1Pin, LOW);
    } else if (selectedLed == 2) {
      lcd.clear();
      lcd.print("LED2 selected");
      digitalWrite(led2Pin, HIGH);
      delay(2000);
      digitalWrite(led2Pin, LOW);
    }
  }

  lcd.clear();
  lcd.print("Select option:");
  displayMenu();
}

int waitForLedSelection() {
  while (true) {
    if (digitalRead(buttonUpPin) == HIGH) {
      return 1; // Selected LED1
    }
    if (digitalRead(buttonDownPin) == HIGH) {
      return 2; // Selected LED2
    }
    if (digitalRead(buttonSelectPin) == HIGH) {
      return 0; // No LED selected
    }
  }
}

void displayMenu() {
  lcd.setCursor(0, 1);
  lcd.print("Option " + String(currentOption + 1));
}