#include <RTClib.h>
#include <Wire.h>
RTC_DS3231 rtc;
char t[32];

#define clk 12  //define the pins for clk and data here
#define data 10


unsigned long concatenatedTime=0;
unsigned long time = 0;

int n1 = 0 ;
int n2 = 0 ;
int n3 = 0 ;
int n4 = 0 ;
int n5 = 0 ;
int n6 = 0 ;

int nA0[] = {1, 1, 1, 0, 1, 1, 1, 1}; 
int nA1[] = {1, 0, 0, 0, 0, 0, 1, 1}; 
int nA2[] = {1, 1, 0, 1, 1, 1, 0, 1}; 
int nA3[] = {1, 1, 0, 1, 0, 1, 1, 1}; 
int nA4[] = {1, 0, 1, 1, 0, 0, 1, 1};  
int nA5[] = {0, 1, 1, 1, 0, 1, 1, 1}; 
int nA6[] = {0, 1, 1, 1, 1, 1, 1, 1}; 
int nA7[] = {1, 1, 0, 0, 0, 0, 1, 1}; 
int nA8[] = {1, 1, 1, 1, 1, 1, 1, 1}; 
int nA9[] = {1, 1, 1, 1, 0, 1, 1, 1};  
int nAoff[] = {0, 0, 0, 0, 0, 0, 0, 1}; 

int nB0[] = {1, 1, 1, 1, 1, 1, 1, 0}; 
int nB1[] = {1, 0, 0, 1, 1, 0, 0, 0}; 
int nB2[] = {1, 1, 1, 0, 1, 1, 0, 1}; 
int nB3[] = {1, 0, 1, 1, 1, 1, 0, 1}; 
int nB4[] = {1, 0, 0, 1, 1, 0, 1, 1};  
int nB5[] = {1, 0, 1, 1, 0, 1, 1, 1}; 
int nB6[] = {1, 1, 1, 1, 0, 1, 1, 1}; 
int nB7[] = {1, 0, 0, 1, 1, 1, 0, 0}; 
int nB8[] = {1, 1, 1, 1, 1, 1, 1, 1}; 
int nB9[] = {1, 0, 1, 1, 1, 1, 1, 1};
int nBoff[] = {1, 0, 0, 0, 0, 0, 0, 0};   //define diffrent numbers here
//.               S1.S2.S3 S4 S5 S6 S7   D1.D2.S8 S9   S10S11S12S13S14
void pulseClk() 
{//toggles clk
  digitalWrite(clk, true);  //pulse clk
  digitalWrite(clk, false);
}

void sendNumber(int segments[]) 
{//writes out the given number to the display
  for (int i = 0; i < 8; i++) 
  {
    digitalWrite(data, segments[i]);
    pulseClk();
  }
}

  

void setup() 
{
  Serial.begin(9600);
  Wire.begin();
  rtc.begin();
  //rtc.adjust(DateTime(F(__DATE__),F(__TIME__)));
  //rtc.adjust(DateTime(2024, 1, 21, 5, 44, 0));
  pinMode(clk, OUTPUT);
  pinMode(data, OUTPUT);
  digitalWrite(data, false);
  digitalWrite(clk, false);

}

void loop() 
{

  RTC_Time();
  
  int n6 = time % 10;
  time /= 10;

  int n5 = time % 10;
  time /= 10;

  int n4 = time % 10;
  time /= 10;

  int n3 = time % 10;
  time /= 10;

  int n2 = time % 10;
  time /= 10;

  int n1 = time % 10;

Serial.println(n1);
Serial.println(n2);
Serial.println(n3);
Serial.println(n4);
Serial.println(n5);
Serial.println(n6);

displaynum1(n1);
displaynum2(n2);
displaynum1(n3);
displaynum2(n4);
displaynum1(n5);
displaynum2(n6);

delay(200);
}


////////////////////////////////////
void displaynum1(int number1)
{
  switch (number1) 
  {
    case 0:
      sendNumber(nA0);
      break;
    case 1:
      sendNumber(nA1);
      break;
    case 2:
      sendNumber(nA2);
      break;
    case 3:
      sendNumber(nA3);
      break;
    case 4:
      sendNumber(nA4);
      break;
    case 5:
      sendNumber(nA5);
      break;
    case 6:
      sendNumber(nA6);
      break;
    case 7:
      sendNumber(nA7);
      break;
    case 8:
      sendNumber(nA8);
      break;
    case 9:
      sendNumber(nA9);
      break;
  }
}


//////////////////////////////////////////////////////
void displaynum2(int number2)
{
  switch (number2) 
  {
    case 0:
      sendNumber(nB0);
      break;
    case 1:
      sendNumber(nB1);
      break;
    case 2:
      sendNumber(nB2);
      break;
    case 3:
      sendNumber(nB3);
      break;
    case 4:
      sendNumber(nB4);
      break;
    case 5:
      sendNumber(nB5);
      break;
    case 6:
      sendNumber(nB6);
      break;
    case 7:
      sendNumber(nB7);
      break;
    case 8:
      sendNumber(nB8);
      break;
    case 9:
      sendNumber(nB9);
      break;
  }
}

void RTC_Time()
{
  DateTime now = rtc.now();
  sprintf(t, "%02d:%02d:%02d", now.hour(), now.minute(), now.second());  
  Serial.print(F("Time: "));
  Serial.println(t);

String concatenatedTimeString = String(now.hour()) + String(now.minute()) + String(now.second());

// Convert the concatenated string to an integer
concatenatedTime = concatenatedTimeString.toInt();
time=concatenatedTime;
Serial.println(time);

  delay(1000);
}