#include <Wire.h>
#include <RTClib.h>
#include <LiquidCrystal.h>
#include <Arduino.h>

LiquidCrystal lcd(7, 6, 5, 4, 3, 2);
RTC_DS3231 rtc;
char nameDay[7][12] = {"Minggu", "Senin", "Selasa", "Rabu", "Kamis", "Jumat", "Sabtu"};

void printAngka(int digits);  // Deklarasi prototipe fungsi

void setup() {
  // Begin serial communication for debugging
  Serial.begin(9600);

  // Begin the RTC
  if (!rtc.begin()) {
    Serial.println("Couldn't find RTC");
    while (1);
  }

  // Uncomment to set the time
  // rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));

  // Initialize the LCD
  lcd.begin(16, 2); // Assuming a 16x2 LCD
  lcd.setCursor(0, 0);
  lcd.print(" JAM DIGITAL ");
  lcd.setCursor(5, 1);
  lcd.print(" Kamarku ");
  delay(1000);
  lcd.clear();
}

void loop() {
  DateTime now = rtc.now();
  
  lcd.setCursor(2, 0);
  lcd.print(nameDay[now.dayOfTheWeek()]);
  lcd.print(", ");
  printAngka(now.day());
  lcd.print("-");
  printAngka(now.month());
  lcd.print("-");
  lcd.print(now.year());

  lcd.setCursor(5, 1);
  printAngka(now.hour());
  lcd.print(":");
  printAngka(now.minute());
  lcd.print(":");
  printAngka(now.second());

  delay(1000);
}

void printAngka(int digits) {
  if (digits < 10) {
    lcd.print("0");
  }
  lcd.print(digits);
}