const int buttonPin = 13;
const int redPin = 9;
const int greenPin = 10;
const int bluePin = 11;

bool ledOn = false;
bool lastButtonState = HIGH;
unsigned long lastDebounceTime = 0;
const unsigned long debounceDelay = 50;

void setup() {
  pinMode(buttonPin, INPUT_PULLUP);
  pinMode(redPin, OUTPUT);
  pinMode(greenPin, OUTPUT);
  pinMode(bluePin, OUTPUT);
  //setColor(0, 0, 0);
}

void loop() {
  bool reading = digitalRead(buttonPin);

  if (reading != lastButtonState) {
    lastDebounceTime = millis();
  }

  if ((millis() - lastDebounceTime) > debounceDelay) {
    if (lastButtonState == HIGH && reading == LOW) {
      ledOn = !ledOn;
      if (ledOn) {
        //setColor(255, 0, 255); // Magenta (R + B)
        analogWrite(redPin, HIGH);
      } else {
        //setColor(0, 0, 0);     // Off
        analogWrite(redPin, LOW);
      }
    }
  }

  lastButtonState = reading;
}

// void setColor(int r, int g, int b) {
//   analogWrite(redPin, r);
//   analogWrite(greenPin, g);
//   analogWrite(bluePin, b);
// }