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

// the name of the network (Wokwi-GUEST by default in wokwi simulator)
const char* ssid = "Wokwi-GUEST";
// the password of the network in this case it's an open network (no password)
const char* password = "";

// create a UDP object
WiFiUDP ntpUDP;
// create an NTP client object using UDP commuication protocol
NTPClient timeClient(ntpUDP);


void setup() {
  Serial.begin(115200);
  Serial.print("Connecting to ");
  Serial.println(ssid);

  // start the connection with specified ssid and password and channel 
  // channel in this case is 6 to saves about 4 seconds when connecting to wifi  
  WiFi.begin(ssid, password, 6);
  
  // loop to ensure that the status of wifi is connected
  while (WiFi.status() != WL_CONNECTED) {
    Serial.print(".");
    delay(500);
  }

  Serial.println("");
  Serial.println("WiFi connected.");
  Serial.print("IP address: (");
  Serial.print(WiFi.localIP());
  Serial.println(")\n");

  // initializes the NTP client
  timeClient.begin();
  // sets the time offset to GMT +3 (the time zone for EGYPT)
  timeClient.setTimeOffset(10800);
  
  /*
    GMT +1 = 3600 seconds
    so!
    GMT +3 = 10800 secodns
  */
}

void loop() {
  // updates the time from the NTP server
  timeClient.update();

  // retrieves the current time formatted as a string (HH:MM:SS)
  String time = timeClient.getFormattedTime(); // it's 24 hours format
  Serial.print("the time right now is: ");
  Serial.println(time);
  
  delay(1000);
}