#define LED1 4
#define LED2 5
#define BUTTON_PIN 6

bool toggleState = false;
bool buttonPressed = false;
unsigned long lastDebounceTime = 0;
const unsigned long debounceDelay = 50;

void setup() {
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(BUTTON_PIN, INPUT_PULLUP);

  digitalWrite(LED1, LOW);
  digitalWrite(LED2, LOW);

  Serial.begin(115200);
  Serial.println("Ready to toggle LEDs.");
}

void loop() {
  static bool lastButtonReading = HIGH;
  bool currentReading = digitalRead(BUTTON_PIN);

  if (currentReading != lastButtonReading) {
    lastDebounceTime = millis();
  }

  if ((millis() - lastDebounceTime) > debounceDelay) {
    if (currentReading == LOW && !buttonPressed) {
      buttonPressed = true;
      toggleState = !toggleState;

      if (toggleState) {
        digitalWrite(LED1, HIGH);
        digitalWrite(LED2, LOW);
        Serial.println("LED1 ON, LED2 OFF");
      } else {
        digitalWrite(LED1, LOW);
        digitalWrite(LED2, HIGH);
        Serial.println("LED1 OFF, LED2 ON");
      }
    }

    if (currentReading == HIGH) {
      buttonPressed = false;
    }
  }

  lastButtonReading = currentReading;
}