#include <time.h>
#include <sys/time.h>

#define LED 26
#define BUTTON 27

void setup() {
  //set up Button and Led pins mode to input and output respectively
  pinMode(LED, OUTPUT);
  pinMode(BUTTON, INPUT);
  Serial.begin(9600);
  struct timeval tv;
  tv.tv_sec = 1709647571; // Mar 5, 2024  3:06:11 PM
  tv.tv_usec = 0;
  settimeofday(&tv, nullptr);
}
int counter = 0;
// the loop function runs over and over again forever
void loop() { 

  time_t now, later;
  char buff[80];
  
  if (counter <= 0){
    //wait for the button to be pressed and released 
    while(digitalRead(BUTTON) == 0);    
    while(digitalRead(BUTTON) == 1);
    //set the starting time
    time(&now);
    counter++;
  }else{
    while(digitalRead(BUTTON) == 0);
    while(digitalRead(BUTTON) == 1);
    counter++;    
  }
  time(&later);
 if((later - now) > 5 ){ // check for if 5sec has passed
    while(counter >= 1){ // blink the LED for the number of the counter
      digitalWrite(LED, HIGH);
      delay(1000);
      digitalWrite(LED, LOW);
      delay(1000);
      counter--;
    }
 }

  strftime(buff, sizeof(buff), "%c", localtime(&now));
  Serial.println(buff);
  Serial.println(counter);
  strftime(buff, sizeof(buff), "%c", localtime(&later));
  Serial.println(buff);
}