#include <WiFi.h>
#include "time.h"
#include <Wire.h>  // for I2C with RTC module
#include "RTClib.h"       //to show time
RTC_DS1307 RTC;
const char* ssid = "Wokwi-GUEST";
const char* password = "";
int hou, minu, sec, wkday, yea = 0;
byte d, wk;
byte mont;
char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
const char* ntpServer = "asia.pool.ntp.org";
const long  gmtOffset_sec = 19800;
const int   daylightOffset_sec = 3600;
int count = 0;
void printLocalTime()
{
  struct tm timeinfo;
  if (!getLocalTime(&timeinfo)) {
    Serial.println("Failed to obtain time");
    while (1);
  }
  Serial.println(&timeinfo, "%A, %B %d %Y %H:%M:%S");
  hou = timeinfo.tm_hour;
  minu = timeinfo.tm_min;
  sec = timeinfo.tm_sec;
  d = timeinfo.tm_mday;
  mont = timeinfo.tm_mon + 1;
  yea = timeinfo.tm_year + 1900;
  //wkday = timeinfo.tm_mday;

}

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


  //connect to WiFi
  Serial.printf("Connecting to %s ", ssid);
  wfbegin:
  WiFi.begin(ssid, password,6);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println(" CONNECTED");

  //init and get the time
  configTime(gmtOffset_sec, daylightOffset_sec, ntpServer);
  printLocalTime();

  //disconnect WiFi as it's no longer needed
  WiFi.disconnect(true);
  WiFi.mode(WIFI_OFF);
  // if (RTC.lostPower())
  // {
  //   Serial.println("RTC power failure, resetting the time!");
  //   //rtc.adjust(DateTime(F(_DATE), F(TIME_)));
  if(count<5)
  {
    count++;
    goto wfbegin;
  }
  if (! RTC.begin()) {
    Serial.println("Couldn't find RTC");
    while (1);
  }
  RTC.begin();
  // The following lines can be uncommented to set the date and time
  RTC.adjust(DateTime(yea, mont, d, hou, minu, sec)); // Set Day-of-Week to SUNDAY
  // rtc.setTime(12, 0, 0);     // Set the time to 12:00:00 (24hr format)
  //rtc.setDate(1, 1, 2014);   // Set the date to January 1st, 2014
  //rtc.adjust(DateTime(_DATE, __TIME_));
}

void loop()
{
  // delay(1000);
  // printLocalTime();
  DateTime now = RTC.now();
  Serial.print(now.day());
  Serial.print(".");
  Serial.print(now.month());
  Serial.print(".");
  Serial.print(now.year());
  Serial.println();
  Serial.print(now.hour() -1);
  Serial.print(":");
  Serial.print(now.minute());
  Serial.print(":");
  Serial.print(now.second());
  Serial.print(",");
  int wk = now.day();
  wkday = (wk + 6) % 7;
  Serial.print(now.dayOfTheWeek());
  int wkk = now.dayOfTheWeek();
  Serial.print(daysOfTheWeek[wkk]);
  Serial.println();
  count = 0;

}