#include <Wire.h>  // Include the Wire library for I2C communication
#include <RTClib.h>  // Include the RTClib library for DS1307

// Define the serial port connected to the POS58 printer
//#define PRINTER_SERIAL Serial

RTC_DS1307 rtc;  // Create an instance of the RTC_DS1307 class

void setup() {
  //PRINTER_SERIAL.begin(9600);  // Initialize serial communication with the printer
  Serial.begin(9600);  // Initialize serial communication for debugging
  Serial.println("Start");
  // Initialize DS1307
  if (!rtc.begin()) {
    Serial.println("Couldn't find RTC");
    while (1);
  }
  
  // Uncomment the following line if you want to set the time manually
  // rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
}

void loop() {
  // Check if the RTC has been initialized
  if (!rtc.isrunning()) {
    Serial.println("RTC is not running!");
    // Uncomment the following line if you want to set the time manually
    // rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
    delay(1000); // Delay to avoid continuous printing
    return;
  }

  // Get current date and time
  DateTime now = rtc.now();
  
  // Prepare the date string (dd/mm/yyyy format)
  String dateString = String(now.day()) + "/" + String(now.month()) + "/" + String(now.year());
  
  // Prepare the time string (hh:mm:ss AM/PM format)
  String timeString = "";
  int hour12 = now.hour() % 12;
  if (hour12 == 0) {
    hour12 = 12;  // 12 AM
  }
  timeString += String(hour12) + ":" + (now.minute() < 10 ? "0" : "") + String(now.minute()) + ":" + (now.second() < 10 ? "0" : "") + String(now.second()) + (now.hour() < 12 ? " AM" : " PM");
  
  // Print the date and time strings to the printer
  Serial.println("Date: " + dateString);
  Serial.println("Time: " + timeString);
  Serial.println(); // Adding an empty line for separation
  
  delay(1000);  // Wait for 1 second
}