#include <TimerOne.h>
#include <ezButton.h>
#include <TM1637.h>
const int CLK = 2;
const int DIO = 3;

TM1637 DISP;

#include <ArduinoTrace.h>

unsigned long int clocktime1,clocktime2;
unsigned char hour = 7;
unsigned char minute = 15;
unsigned int t1,t2;
ezButton timeSetBtn(5);  // create ezButton object that attach to pin 5;
ezButton hourBtn(6);  // create ezButton object that attach to pin 6;
ezButton minuteBtn(7);  // create ezButton object that attach to pin 7;

void setup()
{
  Serial.begin(115200);
  timeSetBtn.setDebounceTime(50); // set debounce time to 50 milliseconds
  hourBtn.setDebounceTime(50);
  minuteBtn.setDebounceTime(50);
  pinMode(5, INPUT_PULLUP);
  pinMode(6, INPUT_PULLUP);
  pinMode(7, INPUT_PULLUP);
  DISP.begin(CLK, DIO, 4);       //  clockpin, datapin, #digits
  DISP.displayClear();
  DISP.setBrightness(7);     // full brightness, default is 3
}

unsigned long pm1;
unsigned long pm2;
void loop()
{
  t1=millis();
  timeSetBtn.loop();
  hourBtn.loop();
  minuteBtn.loop();
  incrementHours();
  incrementMinute();
  clock();
  DISP.displayTime(hour,minute,1);
  //DUMP(hour);
  //DUMP(minute);

  if (minute==60){
    hour++;
  }
  hour%=24;
  minute%=60;
  t2=millis();
  //DUMP(t2-t1);
  
  delay(10);
}


void incrementHours()
{
enum {s0,s1,s2,s3};
static int state=s0;
  switch(state)
  {
    case s0:
      if(timeSetBtn.getState()==LOW)
      {  
        state=s1;
      }
    break;  
    case s1:
      if(hourBtn.getState()==LOW && timeSetBtn.getState()==LOW)
      {  
        hour++;
        pm1=millis();
        state=s2;
      }  
      else
      {
        state=s0;
      }  

    break;

    case s2:
      if(hourBtn.getState()==LOW && timeSetBtn.getState()==LOW)
      {   
        if((millis()-pm1)>800)
        {
          pm1=millis();
          state=s3;
        }
      }
      else
      {
        state=s0;
      }

    break;

    case s3:
      if(hourBtn.getState()==LOW && timeSetBtn.getState()==LOW)
      {   
        if((millis()-pm1)>250)
        {
          pm1=millis();
          hour++;
        }
      }
      else
      {
        state=s0;
      }
    break;
  }
}

void incrementMinute()
{
enum {s0,s1,s2,s3};
static int state=s0;
  switch(state)
  {
    case s0:
      if(timeSetBtn.getState()==LOW)
      {  
        state=s1;
      }
    break;  
    case s1:
      if(minuteBtn.getState()==LOW && timeSetBtn.getState()==LOW)
      {  
        minute++;
        pm2=millis();
        state=s2;
      }  
      else
      {
        state=s0;
      }  

    break;

    case s2:
      if(minuteBtn.getState()==LOW && timeSetBtn.getState()==LOW)
      {   
        if((millis()-pm2)>800)
        {
          pm2=millis();
          state=s3;
        }
      }
      else
      {
        state=s0;
      }

    break;

    case s3:
      if(minuteBtn.getState()==LOW && timeSetBtn.getState()==LOW)
      {   
        if((millis()-pm2)>250)
        {
          pm2=millis();
          minute++;
        }
      }
      else
      {
        state=s0;
      }
    break;
  }
}
void clock(){
  DUMP(millis()-clocktime1);
  if (millis()-clocktime1>60000){
    minute++;
    clocktime1=millis();
  }


}