#include <WiFi.h>
#include <esp_wifi.h>
#include "esp_netif.h"
#include "time.h"

#define NTP_SERVER     "time.windows.com"
#define UTC_OFFSET     0
#define UTC_OFFSET_DST 0

bool button = false;
bool printTime = false;
hw_timer_t *My_timer = NULL;

void IRAM_ATTR isr() {
button = true;
  return;
}

void IRAM_ATTR onTimer(){
printTime = true;
}

void setup() {
Serial.begin(115000);
esp_err_t esp_netif_sntp_init();

My_timer = timerBegin(0, 80, true);
timerAttachInterrupt(My_timer, &onTimer, true);
timerAlarmWrite(My_timer, 1000000, true);
timerAlarmEnable(My_timer); //Just Enable

 pinMode(18, INPUT_PULLUP);
attachInterrupt(18, isr, FALLING);

  Serial.print("Connected to: ");
  Serial.println(WiFi.localIP());
}



void loop() {
struct tm timeinfo;
if(button == true){
 Serial.println("Connecting...");
   WiFi.begin("Wokwi-GUEST", "", 6); 
    while (WiFi.status() != WL_CONNECTED) {
    delay(25);
    configTime(UTC_OFFSET, UTC_OFFSET_DST, NTP_SERVER);
    setenv("TZ", "CET-2", 1);
    //setenv("TZ", "CST-8", 1);
    tzset();
    getLocalTime(&timeinfo);
    Serial.println(&timeinfo, "%H:%M:%S");
     button = false;
  }
    
}
//WiFi.disconnect();
if(printTime == true){
getLocalTime(&timeinfo);
 Serial.println(&timeinfo, "%H:%M:%S");
 printTime == false;
}
}