#define LED_PIN 2
#define BUTTON_PIN 4

bool ledState = false;
bool lastButtonState = HIGH;

unsigned long pressTime = 0;
bool longPressActive = false;

void setup() {
  pinMode(LED_PIN, OUTPUT);
    pinMode(BUTTON_PIN, INPUT_PULLUP);
    }

    void loop() {
      bool buttonState = digitalRead(BUTTON_PIN);

        // Jika tombol baru ditekan (HIGH -> LOW)
          if (lastButtonState == HIGH && buttonState == LOW) {
              pressTime = millis();
                  longPressActive = false;
                      delay(50); // debounce
                        }

                          // Jika tombol sedang ditahan
                            if (buttonState == LOW) {
                                // Jika sudah ditahan lebih dari 500ms, aktifkan mode blink
                                    if (millis() - pressTime > 500) {
                                          longPressActive = true;

                                                digitalWrite(LED_PIN, HIGH);
                                                      delay(200);
                                                            digitalWrite(LED_PIN, LOW);
                                                                  delay(200);
                                                                      }
                                                                        }

                                                                          // Jika tombol baru dilepas (LOW -> HIGH)
                                                                            if (lastButtonState == LOW && buttonState == HIGH) {
                                                                                delay(50); // debounce

                                                                                    // Jika bukan long press, berarti short press → toggle
                                                                                        if (!longPressActive) {
                                                                                              ledState = !ledState;
                                                                                                  }

                                                                                                      // Balikkan LED ke status toggle
                                                                                                          digitalWrite(LED_PIN, ledState);
                                                                                                            }

                                                                                                              lastButtonState = buttonState;
                                                                                                              }