#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <RTClib.h>
#include <DHT.h> //Tambahkan perpustakaan DHT

RTC_DS1307 rtc;
LiquidCrystal_I2C lcd(0x27, 20, 4); // Alamat I2C dan ukuran LCD (16 kolom, 2 baris)

DHT dht(8, DHT22); // Menggunakan pin 2 untuk sensor DHT22

char HariDalamMinggu[7][12] = {"Minggu", "Senin", "Selasa", "Rabu", "Kamis", "Jum'at", "Sabtu"};

byte loveSymbol[8] = {
  0b00000,
  0b01010,
  0b11111,
  0b11111,
  0b11111,
  0b01110,
  0b00100,
  0b00000
};
byte fingerHeartSymbol[8] = {
  B00000,
  B01010,
  B10101,
  B10001,
  B01010,
  B00100,
  B00000,
  B00000
};
byte degreeSymbol[8] = {
  B00110,
  B01001,
  B01001,
  B00110,
  B00000,
  B00000,
  B00000,
  B00000
};

void setup() {
  Serial.begin(9600);

  pinMode(7, OUTPUT); // LED indikator

  if (!rtc.begin()) {
    Serial.println("RTC tidak terhubung, Cek kembali wiring!");
    while (1);
  }

  if (!rtc.isrunning()) {
    Serial.println("RTC tidak bekerja, Setel ulang waktu!");
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
  }

  lcd.init();
  lcd.backlight(); // Mengaktifkan backlight LCD

  // Membuat simbol Love dengan indeks 0
  lcd.createChar(0, loveSymbol);
  lcd.createChar(1, fingerHeartSymbol);
  lcd.createChar(2, degreeSymbol);

  lcd.setCursor(0, 0);
  for (int i = 0; i < 20; i++) {
    lcd.write((uint8_t)1); // Menampilkan simbol Love di seluruh layar
  }

  lcd.setCursor(0, 1);
  for (int i = 0; i < 20; i++) {
    lcd.write((uint8_t)0); // Menampilkan simbol Love di seluruh layar
  }

    lcd.setCursor(0, 2);
  for (int i = 0; i < 20; i++) {
    lcd.write((uint8_t)1); // Menampilkan simbol Love di seluruh layar
  }

   lcd.setCursor(0, 3);
  for (int i = 0; i < 20; i++) {
    lcd.write((uint8_t)0); // Menampilkan simbol Love di seluruh layar
  }

  digitalWrite(7, HIGH); // Menyalakan LED indikator
  delay(30000); // Tunggu 1 detik
  digitalWrite(7, LOW); // Mematikan LED indikator
  lcd.clear();
}

void loop() {
  DateTime now = rtc.now();

  int temperature = dht.readTemperature(); // Baca suhu dari sensor DHT
  int humidity = dht.readHumidity();       // Baca kelembaban dari sensor DHT

  lcd.setCursor(2, 0);
  lcd.print(HariDalamMinggu[now.dayOfTheWeek()]);
  lcd.print(":");
  lcd.print(now.day(), DEC);
  lcd.print('/');
  lcd.print(now.month(), DEC);
  lcd.print('/');
  lcd.print(now.year(), DEC);

  lcd.setCursor(6, 1);
  lcd.print(now.hour(), DEC);
  lcd.print(':');
  lcd.print(now.minute(), DEC);
  lcd.print(':');
  lcd.print(now.second(), DEC);

  lcd.setCursor(0, 2);
  lcd.print("Temp:");
  lcd.print(temperature);
  lcd.write(2);
  lcd.print("C");
  lcd.setCursor(0, 3);
  lcd.print("Humidity:");
  lcd.print(humidity);
  lcd.print("%");
  delay(10000);
}