#include <LiquidCrystal_I2C.h>
#include <RTClib.h>

LiquidCrystal_I2C lcd(0x27,20,4);

RTC_DS1307 rtc;
char daysOfTheWeek[7][12]={"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};


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

  lcd.init();
  lcd.backlight();

  if(! rtc.begin()){
    Serial.print("Could not find RTC");
    Serial.flush();
    abort();
  }

}

void loop() {
  // this comments part only for serial status
  
  // Serial.print("CURRENT STATUS :- ");
  // Serial.println();
  
  // Serial.print("DATE : ");
  // Serial.print(now.year(),DEC);
  // Serial.print('/');
  // Serial.print(now.month(),DEC);
  // Serial.print('/');
  // Serial.print(now.day(),DEC);
  // Serial.println();
  
  // Serial.print("CURRENT DAY : ");
  // Serial.print(daysOfTheWeek[now.dayOfTheWeek()]);
  // Serial.println();
  
  // Serial.print("CURRENT TIME : ");
  // Serial.print(now.hour(),DEC);
  // Serial.print(':');
  // Serial.print(now.minute(),DEC);
  // Serial.print(':');
  // Serial.print(now.second(),DEC);
//   byte status_1= status();
//   byte status_2=date();
//   byte status_3=day();
//   byte status_4=time();

//   lcd.setCursor(0, 0);
//   lcd.print(status_1);
//   lcd.setCursor(0, 1);
//   lcd.print(status_2);
//   lcd.setCursor(0, 2);
//   lcd.print(status_3);
//   lcd.setCursor(0, 3);
//   lcd.print(status_4);

//   Serial.println();
//   Serial.println();
//   delay(3000);

   DateTime now = rtc.now();

  // Build strings to display 
  String status_str = "CURRENT STATUS:- ";  // example status
  String date_str = "DATE: " + String(now.year()) + "/" + String(now.month()) + "/" + String(now.day());
  String day_str = "DAY: " + String(daysOfTheWeek[now.dayOfTheWeek()]);
  String time_str = "TIME: " + String(now.hour()) + ":" + String(now.minute()) + ":" + String(now.second());
  //String time_str = "TIME: " + formatTime(now.hour(), now.minute(),now.second());


  // Print to Serial Monitor (optional)
  Serial.println(status_str);
  Serial.println(date_str);
  Serial.println(day_str);
  Serial.println(time_str);
  Serial.println();

  // Print to LCD
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print(status_str);
  lcd.setCursor(0, 1);
  lcd.print(date_str);
  lcd.setCursor(0, 2);
  lcd.print(day_str);
  lcd.setCursor(0, 3);
  lcd.print(time_str);

  delay(3000);
}
// Helper function to format time with leading zeros
// String formatTime(int h, int m, int s) {
//   char timeBuf[9];
//   sprintf(timeBuf, "%02d:%02d:%02d", h, m, s);
//   return String(timeBuf);
// }