#include <WiFi.h>
#include <NTPClient.h>
#include <WiFiUdp.h>

// Informasi koneksi WiFi
const char* ssid     = "Wokwi-GUEST";  // ganti dengan SSID WiFi Anda jika perlu
const char* password = "";

// Konfigurasi NTP
WiFiUDP ntpUDP;
NTPClient timeClient(ntpUDP, "pool.ntp.org", 7 * 3600, 60000);  // GMT+7 (WIB), update setiap 60 detik

void setup() {
  // Memulai Serial
  Serial.begin(115200);

  // Menghubungkan ke WiFi
  WiFi.begin(ssid, password);
  Serial.print("Connecting to WiFi");
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.print(".");
  }
  Serial.println("\nSuccess Conecting");

  // Memulai NTP client
  timeClient.begin();
}

void loop() {
  // Update waktu dari NTP Server
  timeClient.update();

  // Mendapatkan waktu Epoch (Unix Time)
  unsigned long epochTime = timeClient.getEpochTime();

  // Mengonversi waktu Epoch ke format tanggal dan waktu lokal
  time_t rawTime = epochTime;
  struct tm *timeInfo = localtime(&rawTime);

  // Tampilkan waktu dalam format tanggal dan waktu (WIB)
  Serial.print("\nTIME: ");
  Serial.printf("%s, %02d %s %d %02d:%02d:%02d\n",
                timeInfo->tm_wday == 0 ? "Sunday" :
                timeInfo->tm_wday == 1 ? "Monday" :
                timeInfo->tm_wday == 2 ? "Tuesday" :
                timeInfo->tm_wday == 3 ? "Wednesday" :
                timeInfo->tm_wday == 4 ? "Thursday" :
                timeInfo->tm_wday == 5 ? "Friday" : "Saturday",
                timeInfo->tm_mday,
                timeInfo->tm_mon == 0 ? "January" :
                timeInfo->tm_mon == 1 ? "February" :
                timeInfo->tm_mon == 2 ? "March" :
                timeInfo->tm_mon == 3 ? "April" :
                timeInfo->tm_mon == 4 ? "May" :
                timeInfo->tm_mon == 5 ? "June" :
                timeInfo->tm_mon == 6 ? "July" :
                timeInfo->tm_mon == 7 ? "August" :
                timeInfo->tm_mon == 8 ? "September" :
                timeInfo->tm_mon == 9 ? "October" :
                timeInfo->tm_mon == 10 ? "November" : "December",
                timeInfo->tm_year + 1900,
                timeInfo->tm_hour,
                timeInfo->tm_min,
                timeInfo->tm_sec);

  // Tampilkan Unix Epoch Time
  Serial.print("EPOCH: ");
  Serial.println(epochTime);

  // Delay untuk mengulangi setiap 10 detik
  delay(1000);
}