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

const char* ssid = "Wokwi-GUEST";
const char* password = "";

WiFiUDP ntpUDP;
NTPClient timeClient(ntpUDP, "pool.ntp.org");

void setup() {
  Serial.begin(9600);
  Serial.println("Connecting to WiFi");
  WiFi.begin(ssid, password);
  
  while (WiFi.status() != WL_CONNECTED) {
    delay(100);
    Serial.print(".");
  }
  
  Serial.println(" Connected!");
  
  timeClient.begin();
  timeClient.update();
}

void loop() {
  timeClient.update();
  
  // GTM format
  Serial.print("1. ");
  printGTMTime();
  
  // Epoch format
  Serial.print("2. ");
  Serial.println(timeClient.getEpochTime());
  
  delay(5000); 
}

void printGTMTime() {
  // get GTM time
  unsigned long epochTime = timeClient.getEpochTime();
  struct tm *timeInfo;
  time_t rawTime = (time_t)epochTime;
  timeInfo = gmtime(&rawTime);

  // print GTM time using strftime
  char formattedTime[50];
  strftime(formattedTime, sizeof(formattedTime), "%A, %B %d, %Y %I:%M:%S %p", timeInfo);
  Serial.println(formattedTime);
}