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


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

WiFiUDP ntpUDP;
NTPClient timeClient(ntpUDP, "pool.ntp.org");
unsigned long lastSync = 0;
unsigned long lastSecond = 0;

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

  // Connect to Wi-Fi
  WiFi.begin(ssid, password);
  
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi..");
  }
  
  Serial.println("Connected to WiFi!");

  // Initialize NTPClient
  timeClient.begin();

 // Set time using NTP
  configTime(0, 0, "pool.ntp.org");

  // Wait for time to synchronize
  while (!time(nullptr)) {
    delay(1000);
    Serial.println("Waiting for time to synchronize...");
  }

 // Initialize NTPClient
  timeClient.begin();

  if (timeClient.update()) {
      Serial.println("Synchronized with NTP.");
    } else {
      Serial.println("Error synchronizing with NTP.");
    }
  //WiFi.disconnect();
  //Serial.println("Wi-Fi turned off.");
}

void loop() {
   unsigned long currentMillis = millis();
  // Синхронізувати з NTP раз на 10 секунд
  if (millis() - lastSync > 60000) {
    lastSync = millis();
    timeClient.begin();
     if (timeClient.update()) {
      Serial.println("Synchronized with NTP.");
      
    } else {
      Serial.println("Error synchronizing with NTP.");
    }
  }


  if (currentMillis - lastSecond >= 1000) {
    lastSecond = currentMillis;
    Serial.print("Time: ");
    Serial.println(timeClient.getFormattedTime());
  }
  
  
}