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

#include <LiquidCrystal_I2C.h>

#define I2C_ADDR    0x27
#define LCD_COLUMNS 20
#define LCD_LINES   4
LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

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

  if (! rtc.begin()) {
    Serial.println("Couldn't find RTC");
    Serial.flush();
    abort();
  }
 // Init
  lcd.init();
  lcd.backlight();

  // Print something
  lcd.setCursor(3, 0);
  lcd.print("Hello, world!");
  lcd.setCursor(2, 1);
  lcd.print("Wokwi Online IoT");
  lcd.setCursor(5, 2);
  lcd.print("Simulator");
  lcd.setCursor(7, 3);
  lcd.print("Enjoy!");
  lcd.clear();
}

void loop () {
  DateTime now = rtc.now();
  
  Serial.print("Current time: ");
  Serial.print(now.year(), DEC);
  Serial.print('/');
  int year=now.year();
  lcd.setCursor(3,0);
  lcd.print(year);
  lcd.print("/");
  Serial.print(now.month(), DEC);
  Serial.print('/');
  int month=now.month();
  lcd.print(month);
  lcd.print('/');
  Serial.print(now.day(), DEC);
  int day=now.day();
  lcd.print(day);
  Serial.print(" (");
  Serial.print(daysOfTheWeek[now.dayOfTheWeek()]);
  Serial.print(") ");
  Serial.print(now.hour(), DEC);
  Serial.print(':');
  lcd.setCursor(4,1);
  int hour=now.hour();
  lcd.print(hour);
  lcd.print(':');
  Serial.print(now.minute(), DEC);
  int minute=now.minute();
  lcd.print(minute);
  lcd.print(':');
  Serial.print(':');
  Serial.print(now.second(), DEC);
  Serial.println();
  Serial.println();
  int second=now.second();
  lcd.print(second);
  delay(3000);
}