int led1 = 8;
bool ledState = 0;
const int buttonPin = 2;
const unsigned long debounceDelay = 50;
const unsigned long longPressTime = 1000; // Milliseconds for a long press

unsigned long lastDebounceTime = 0;
unsigned long buttonPressStartTime = 0;
bool buttonState = HIGH;
bool lastButtonState = HIGH;
bool longPressDetected = false;
unsigned long lastLedUpdate;

void setup() {
  pinMode(buttonPin, INPUT_PULLUP);
  Serial.begin(9600);
}

void loop() {
  bool reading = digitalRead(buttonPin);
  unsigned long currentTime = millis();

  // Non-blocking debounce
  if (reading != lastButtonState) {
    lastDebounceTime = currentTime;
  }

  if ((currentTime - lastDebounceTime) > debounceDelay) {
    if (reading != buttonState) {
      buttonState = reading;

      if (buttonState == LOW) { // Button pressed
        buttonPressStartTime = currentTime;
        longPressDetected = false; // Reset the flag when pressed
      } else { // Button released
        if (longPressDetected) {
          Serial.println("Long Press Released!");
          // Perform actions that happen *after* a long press release (optional)
          longPressDetected = false; // Reset for the next long press
        } else {
          Serial.println("Short Press (Ignored)");
          // Optionally, you could add short press behavior here if needed later
        }
      }
    }
  }
  lastButtonState = reading;

  // Check for long press while the button is held down
  if (buttonState == LOW && (currentTime - buttonPressStartTime > longPressTime) && !longPressDetected) {
    Serial.println("Long Press Detected!");
    // Perform your long press action here (occurs once when the threshold is met)
    longPressDetected = true;
  }

  if(longPressDetected == true && millis()-lastLedUpdate >=1000){
    //longPressDetected = false;
    lastLedUpdate = millis();
    ledState = !ledState;
    digitalWrite(led1,ledState);
  }
}