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

RTC_DS3231 rtc;

const int ledPin = 2; // Pin untuk lampu LED

char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};

void setup() {
  Serial.begin(115200);
  Serial.println("Menu:");
  Serial.println("1. Setting Waktu");
  Serial.println("2. Setting Tanggal");
  Serial.println("3. Tampil");

  while (!Serial.available()) {
    // Menunggu input dari Serial Monitor
  }

  char menuOption = Serial.read();

  switch (menuOption) {
    case '1':
      Serial.println("ok");
      break;
    case '2':
      Serial.println("ok");
      break;
    case '3':
      displayTime();
      break;
    default:
      // Gunakan waktu default jika tidak ada input atau input selain 1, 2, atau 3
      if (!rtc.begin()) {
        Serial.println("Tidak dapat menemukan RTC");
        Serial.flush();
        while (1) delay(10);
      }

      if (rtc.lostPower()) {
        Serial.println("RTC kehilangan daya, atur waktu!");
        rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
      }
      break;
  }

  pinMode(ledPin, OUTPUT); // Set pin LED sebagai output
}

void loop() {
  // Program utama, tidak ada perubahan di loop()
}

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

  Serial.print(now.year(), DEC);
  Serial.print('/');
  Serial.print(now.month(), DEC);
  Serial.print('/');
  Serial.print(now.day(), DEC);
  Serial.print(" (");
  Serial.print(daysOfTheWeek[now.dayOfTheWeek()]);
  Serial.print(") ");
  Serial.print(now.hour(), DEC);
  Serial.print(':');
  Serial.print(now.minute(), DEC);
  Serial.print(':');
  Serial.print(now.second(), DEC);
  Serial.println();

  Serial.print("Temperature: ");
  Serial.print(rtc.getTemperature());
  Serial.println(" C");
}