const int ledPins[] = {2, 3, 4, 5, 6, 7, 8, 9};
const int buttonPin = 10;
const int numLeds = 8;
const int Buzzer = 11;

int currentLed = 0;
bool isSpinning = false;

void setup() {
  for (int i = 0; i < numLeds; i++) {
    pinMode(ledPins[i], OUTPUT);
    digitalWrite(ledPins[i], LOW);
  }

  pinMode(buttonPin, INPUT);
  pinMode(Buzzer, OUTPUT);
  digitalWrite(Buzzer, LOW);
  randomSeed(analogRead(0));
}

void loop() {
  if (digitalRead(buttonPin) && !isSpinning) {
    delay(50);  // Debounce
    if (digitalRead(buttonPin)) {
      spinRoulette();
    }
  }
}

void spinRoulette() {
  isSpinning = true;
  int spins = random(39, 49);
  
  for (int i = 0; i < spins; i++) {
    digitalWrite(ledPins[currentLed], LOW);
    currentLed = (currentLed + 1) % numLeds;
    digitalWrite(ledPins[currentLed], HIGH);

    playMelody(i);  // 🎶 Melodie während Spin

    delay(100 - i * 2);
  }

  noTone(Buzzer); // Melodie stoppen
  delay(100);    // Kleine Pause
  playWinTone(); // 🎯 Gewinn-Ton abspielen
  isSpinning = false;
}

// 🎶 Melodie während Spin
void playMelody(int noteIndex) {
  int melody[] = {262, 294, 330, 349, 392, 440, 494, 523};  // C-Dur
  int duration = 100;
  tone(Buzzer, melody[noteIndex % 8], duration);
}

void playWinTone() {
  tone(Buzzer, 1000, 500);  // Hoher Ton für 0,5 Sek.
  delay(500);
  tone(Buzzer, 800, 500);   // Tieferer Ton für 0,5 Sek.
  delay(500);
  noTone(Buzzer);
}