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

LiquidCrystal_I2C lcd(0x27, 16, 2);
const int buttonPin1 = 11;
const int buttonPin2 = 12;
int ledPins[9] = {2, 3, 4, 5, 6, 7, 8, 9, 10};
int menu = 0;
int buttonState1 = 0;  // Variabel untuk menyimpan status tombol 1
int buttonState2 = 0;  // Variabel untuk menyimpan status tombol 2

void setup() {
  pinMode(buttonPin1, INPUT_PULLUP);
  pinMode(buttonPin2, INPUT_PULLUP);
  for (int i = 0; i < 9; i++) {
    pinMode(ledPins[i], OUTPUT);
  }
  lcd.init();  // Inisialisasi LCD
  lcd.backlight();  // Aktifkan pencahayaan LCD
  lcd.setCursor(0, 0);
  lcd.print("Pilih menu: ");
  lcd.setCursor(0, 1);
  lcd.print("Menu ");
  lcd.print(menu); // Tampilkan menu yang dipilih
}

void loop() {
  // Baca status tombol
  buttonState1 = digitalRead(buttonPin1);
  buttonState2 = digitalRead(buttonPin2);

  // Jika tombol 1 ditekan
  if (buttonState1 == LOW) {
    delay(500);
    menu++; // Pilih menu berikutnya
    if (menu > 3) {
      menu = 1; // Kembali ke menu awal jika melebihi jumlah menu
    }
    // Tampilkan menu yang dipilih
    lcd.setCursor(5, 1);
    lcd.print("    "); // Hapus menu sebelumnya
    lcd.setCursor(5, 1);
    lcd.print(menu);
  }
  
  // Jika tombol 2 ditekan
  if (buttonState2 == LOW) {
    delay(200);
    switch (menu) {
      case 1: while(true) { menu1(); } break;
      case 2: while(true) { menu2(); } break;
      case 3: while(true) { menu3(); } break;
      default: lcd.clear(); lcd.print("Pilih menu dulu");  break;
    }
  }
}

void runScene(int scene[], int delayTime) {
  for (int i = 0; i < 9; i++) {
    digitalWrite(ledPins[i], scene[i]);
  }
  delay(delayTime);
}

void menu1() {
  lcd.clear();
  lcd.print("Menu 1 dipilih");
  int scenes[6][9] = {
    {1,0,0,1,0,0,0,0,1},
    {1,0,0,1,0,0,0,1,0},
    {1,0,0,0,0,1,1,0,0},
    {1,0,0,0,1,0,1,0,0},
    {0,0,1,1,0,0,1,0,0},
    {0,1,0,1,0,0,1,0,0}
  };
  for (int i = 0; i < 6; i++) {
    runScene(scenes[i], 1500);
  }
}

void menu2() {
  lcd.clear();
  lcd.print("Menu 2 dipilih");
  int scenes[10][9] = {
    {1,0,0,0,0,0,0,0,0},
    {1,1,0,0,0,0,0,0,0},
    {1,1,1,0,0,0,0,0,0},
    {1,1,1,1,0,0,0,0,0},
    {1,1,1,1,1,0,0,0,0},
    {1,1,1,1,1,1,0,0,0},
    {1,1,1,1,1,1,1,0,0},
    {1,1,1,1,1,1,1,1,0},
    {1,1,1,1,1,1,1,1,1},
    {0,0,0,0,0,0,0,0,0}
  };
  for (int i = 0; i < 10; i++) {
    runScene(scenes[i], 1500);
  }
}

void menu3() {
  lcd.clear();
  lcd.print("Menu 3 dipilih");
  for (int i = 0; i < 9; i++) {
    digitalWrite(ledPins[i], HIGH);
    delay(500);
    digitalWrite(ledPins[i], LOW); 
    delay(500);
  }
}