//Salman Taş 20191701044
#define led 12
#define pb1 2
#define pb2 3

unsigned long int button1PressTime = 0; // store button1 press time
unsigned long int button1ReleaseTime = 0; //  store button1 release time
unsigned long int button2PressTime = 0; //  store button2 press time
unsigned long int button2ReleaseTime = 0; //  store button2 release time

void setup() {
  pinMode(led, OUTPUT);
  pinMode(pb1, INPUT);
  pinMode(pb2, INPUT);
}

void loop() {
  // Check if pb1 is pressed
  if (digitalRead(pb1) == HIGH) {
    if (button1PressTime == 0) {
      button1PressTime = millis(); // Record the time when the button was first pressed
    }
  } else {
    if (button1PressTime != 0) {
      button1ReleaseTime = millis(); // Record the time when the button was released
      unsigned long int button1Duration = button1ReleaseTime - button1PressTime; // Calculate the duration of button press
      if (button1Duration >= 3000) {
        digitalWrite(led, HIGH); // Turn on the LED
      }
      button1PressTime = 0; // Reset the button press time
    }
  }

  // Check if pb2 is pressed
  if (digitalRead(pb2) == HIGH) {
    if (button2PressTime == 0) {
      button2PressTime = millis(); // Record the time when the button was first pressed
    }
  } else {
    if (button2PressTime != 0) {
      button2ReleaseTime = millis(); // Record the time when the button was released
      unsigned long int button2Duration = button2ReleaseTime - button2PressTime; // Calculate the duration of button press
      if (button2Duration >= 3000) {
        digitalWrite(led, LOW); // Turn off the LED for pb1
      }
      button2PressTime = 0; // Reset the button press time
    }
  }
}
// you need to rerelease the button after 3 second to light up the led