#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <Keypad.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);  // Change the I2C address if necessary (0x27 is common for 16x2 displays)

const byte ROWS = 4;
const byte COLS = 4;

char keys[ROWS][COLS] = {
  {'1', '2', '3', 'A'},
  {'4', '5', '6', 'B'},
  {'7', '8', '9', 'C'},
  {'*', '0', '#', 'D'}
};

byte rowPins[ROWS] = {9, 8, 7, 6}; // Connect to the row pinouts of the keypad
byte colPins[COLS] = {5, 4, 3, 2}; // Connect to the column pinouts of the keypad

Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, ROWS, COLS);

void setup() {
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("RAYAN'S CAFE");
  lcd.setCursor(0, 1);
  lcd.print("Select item:");
  delay(3000);
  // Items in the coffee shop
  String items[] = {
    "Espresso        ",
    "Latte           ",
    "Cappuccino      ",
    "NESCAFE         ",
    "MILK SHAKE      ",
    "Croissant       ",
    "Cocktail        ",
    "Cookie          ",
    "Sandwich       ",
    "JUICE           ",
    "CREPE           ",
               
  };

  // Display items by scrolling
  for (int i = 0; i < 12; ++i) {
    for (int j = 0; j < 16; ++j) {
      lcd.clear();
      lcd.setCursor(j, 1);
      lcd.print(items[i]);
      delay(150);
    }

  }
  lcd.setCursor(0,1);
  lcd.print("PRESS ANY KEY");
  delay(3000);
}

void loop() {
  char key = keypad.getKey();

  if (key != NO_KEY && (key == '1' || key == '2' || key == '3' || key == '4'|| key == '5' || key == '6' || key == '7' || key == '8'|| key == '9' || key == 'A' || key == 'B' )) {
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("Item selected:");
    
    switch (key) {
      case '1':
        lcd.setCursor(0, 1);
        lcd.print("Espresso       ");
        delay(3000);
        lcd.clear();
        lcd.setCursor(0, 1);
        lcd.print("THANKS FOR VISIT      ");
        break;
      case '2':
        lcd.setCursor(0, 1);
        lcd.print("Latte          ");
        delay(3000);
        lcd.clear();
        lcd.setCursor(0, 1);
        lcd.print("THANKS FOR VISIT      ");
        break;
      case '3':
        lcd.setCursor(0, 1);
        lcd.print("Cappuccino     ");
        delay(3000);
        lcd.clear();
        lcd.setCursor(0, 1);
        lcd.print("THANKS FOR VISIT      ");
        break;
      case '4':
        lcd.setCursor(0, 1);
        lcd.print("NESCAFE      ");
        delay(3000);
        lcd.clear();
        lcd.setCursor(0, 1);
        lcd.print("THANKS FOR VISIT      ");
        break;
      case '5':
        lcd.setCursor(0, 1);
        lcd.print("MILK SHAKE   ");
        delay(3000);
        lcd.clear();
        lcd.setCursor(0, 1);
        lcd.print("THANKS FOR VISIT      ");
        break;
      case '6':
        lcd.setCursor(0, 1);
        lcd.print(" Croissant ");
        delay(3000);
        lcd.clear();
        lcd.setCursor(0, 1);
        lcd.print("THANKS FOR VISIT      ");
        break;
      case '7':
        lcd.setCursor(0, 1);
        lcd.print("  Cocktail  ");
        delay(3000);
        lcd.clear();
        lcd.setCursor(0, 1);
        lcd.print("THANKS FOR VISIT      ");
        break;
      case '8':
        lcd.setCursor(0, 1);
        lcd.print("   Cookie   ");
        delay(3000);
        lcd.clear();
        lcd.setCursor(0, 1);
        lcd.print("THANKS FOR VISIT      ");
        break;
      case '9':
        lcd.setCursor(0, 1);
        lcd.print("    Sandwich       ");
        delay(3000);
        lcd.clear();
        lcd.setCursor(0, 1);
        lcd.print("THANKS FOR VISIT      ");
        break;
      case 'A':
        lcd.setCursor(0, 1);
        lcd.print("  JUICE  ");
        delay(3000);
        lcd.clear();
        lcd.setCursor(0, 1);
        lcd.print("THANKS FOR VISIT      ");
        break;
      case 'B':
        lcd.setCursor(0, 1);
        lcd.print("   CREPE    ");
        delay(3000);
        lcd.clear();
        lcd.setCursor(0, 1);
        lcd.print("THANKS FOR VISIT      ");
      default:
        break;
    }
  }
}