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

LiquidCrystal_I2C lcd(0x27, 16, 2);

// Pin untuk push buttons
const int buttonPin1 = 15;
const int buttonPin2 = 5;
const int switchPin = 12; 
const int relayPin = 25;

int buttonState1 = 0;
int buttonState2 = 0;

void setup() {
  pinMode(buttonPin1, INPUT_PULLUP);
  pinMode(buttonPin2, INPUT_PULLUP);
  pinMode(switchPin, INPUT_PULLUP);
  pinMode(relayPin, OUTPUT);
  digitalWrite(relayPin, LOW);

  lcd.init();
  lcd.backlight();
  Serial.begin(115200);
}

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

  // Jika tombol 1 ditekan
  if (buttonState1 == LOW) {
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("Tunggu sebentar");
    delay(2000);
  }
  // Jika tombol 2 ditekan
  else if (buttonState2 == LOW) {
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("Mohon maaf,");
    delay(2000);

    lcd.setCursor(0, 0);
    lcd.print("penghuni rumah");    
    lcd.setCursor(0, 1);
    lcd.print("sedang pergi  ");
    delay(2000);

    lcd.setCursor(0, 0);
    lcd.print("Hubungi nomor:");
    lcd.setCursor(0, 1);
    lcd.print("08xx-xxxx-xxxx");
    delay(10000);
  }
  // Jika tidak ada tombol yang ditekan
  else {
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("Selamat Datang");
    delay(2000);
  }
  
  int switchState = digitalRead(switchPin);

  if (switchState == LOW) {
    digitalWrite(relayPin, HIGH);
  } else {
    digitalWrite(relayPin, LOW);
  }
  // Tambahkan delay agar tidak terlalu cepat
  delay(100);
}