#include <RTClib.h>
#include <LCD_I2C.h>

LCD_I2C lcd(0x27, 16, 2); // Default address of most PCF8574 modules, change according

RTC_DS1307 rtc;

char daysOfWeek[7][12] = {
  "Sunday",
  "Monday",
  "Tuesday",
  "Wednesday",
  "Thursday",
  "Friday",
  "Saturday"
};

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");

  lcd.begin(); 
  lcd.backlight();

  // SETUP RTC MODULE
  if (! rtc.begin()) {
    Serial.println("RTC module is NOT found");
    Serial.flush();
    while (1);
  }

  // automatically sets the RTC to the date & time on PC this sketch was compiled
  //asal nya
  //rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
  DateTime now = rtc.now();
  rtc.adjust(DateTime(2025,now.month(),now.day(),now.hour(),now.minute(),now.second()));

  // manually sets the RTC with an explicit date & time, for example to set
  // January 21, 2021 at 3am you would call:
  // rtc.adjust(DateTime(2021, 1, 21, 3, 0, 0));

}

void loop() {
  // put your main code here, to run repeatedly:
  //delay(10); // this speeds up the simulation

  DateTime now = rtc.now();
  //DateTime now = new DateTime();
  Serial.print("ESP32 RTC Date Time: ");
  Serial.print(now.year(), DEC);
  Serial.print('/');
  Serial.print(now.month(), DEC);
  Serial.print('/');
  Serial.print(now.day(), DEC);
  Serial.print(" (");
  Serial.print(daysOfWeek[now.dayOfTheWeek()]);
  Serial.print(") ");
  Serial.print(now.hour(), DEC);
  Serial.print(':');
  Serial.print(now.minute(), DEC);
  Serial.print(':');
  Serial.println(now.second(), DEC);

  //delay(1000); // delay 1 seconds

  //String time_ = now.year() + '/' + now.month() + '/' + now.day() ;

  // String time_ = String( (now.year(), DEC) + '/' + (now.month(), DEC) + '/' + (now.day(), DEC) );

  //String time_ = String( now.year() ) + "/" + String( now.month() ) + "/" + String( now.day() ) + " " + String( now.hour() ) + ":" + String( now.minute() ) + ":" + String( now.second() );
  String time_ = String( now.year() ) + "/" + String( now.month() ) + "/" + String( now.day() ) ;
  lcd.setCursor(0, 0); // Or setting the cursor in the desired position.
  lcd.println(time_);

  String time__ = String( now.hour() ) + ":" + String( now.minute() ) + ":" + String( now.second() );
  lcd.setCursor(0, 1); // Or setting the cursor in the desired position.
  lcd.println(time__);

  delay(1000);
  //lcd.clear();
}