#include <Wire.h>
#include <TM1637Display.h>
#include <SimpleRotary.h>
#include <RTClib.h>
///////////////////////////////////////////////
RTC_DS3231 rtc;
///////////////////////////////////////////////
const byte PIN_CLK = 17;   // any digital pin
const byte PIN_DIO = 16;   // any digital pin
TM1637Display  display(PIN_CLK, PIN_DIO);
///////////////////////////////////////////////
SimpleRotary rotary(11, 10, 12);
///////////////////////////////////////////////
unsigned long present_Time;
unsigned long display_Time;
byte systemState, second, minute, hour;
////////////////////////////////////////////////
void GetRTC() {
  DateTime now = rtc.now();
	second = now.second();
	minute = now.minute();
	hour = now.hour();
}

void setup(){
  Wire.begin();
  rtc.begin();
  display.setBrightness(100);
}

void loop(){
  switch (systemState) {
	default:
  present_Time = millis();
  if (present_Time - display_Time >= 500) {
    display_Time = present_Time;  
    GetRTC();
    if (second%2 == 1 ){
    display.showNumberDecEx(hour*100+minute, 0b11100000, true);
    } else {
    display.showNumberDec(hour*100+minute, true);
    }
  }

  if (rotary.pushLong(500) == 1) {
	systemState = 1;
  display.clear();
  }

  break;
  /////////////////////////////////////////////
  case 1:
  display.showNumberDec(hour,false,2,0);
    if ( rotary.rotate() == 1 ){
      hour++;
		  if (hour > 23) {
        hour = 0;
      }
      delay(35);
    }
    if ( rotary.push() == 1 ){
      systemState = 2;
      display.clear();
    }
  break;
    /////////////////////////////////////////////
  case 2:
  display.showNumberDec(minute,false);
    if ( rotary.rotate() == 1 ){
      minute++;
		  if (minute > 59) {
        hour = 0;
      }
      delay(35);
    }
    if ( rotary.push() == 1 ){
      systemState = 3;
      break;
    }
  break;
  /////////////////////////////////////////////
  case 3:
  rtc.adjust(DateTime(2024, 1, 1, hour, minute, 0));
  systemState = 0;
  break;
  }

}