#define led1 A0
#define led2 A1
#define led3 A2
#define led4 A3
#define lightSensor 5
#define lightTaster 6

// Enumeration
enum Status {
  OFF,
  BLINK,
  TURN
};
Status status;


void setup() {
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(led4, OUTPUT);
  pinMode(lightSensor, INPUT);
  pinMode(lightTaster, INPUT);
}

void loop() {
  offLoop();
}

void offLoop() {
  status = OFF;
  while (true) {
    lightTasterWithDelay(50);
  }
}

void lightTasterWithDelay(int delayMs) {
  if (digitalRead(lightTaster) == HIGH) {
    delay(50);  // Kurze Verzögerung, um Flackern auszuschließen
    if (digitalRead(lightTaster) == HIGH) {
      analogWrite(led1, 0);
      analogWrite(led2, 0);
      analogWrite(led3, 0);
      analogWrite(led4, 0);
      delay(1300);
      if (digitalRead(lightTaster) == HIGH) {// Der Knopf wurde lang gedrückt
        if (status == OFF || status == BLINK) {
          turnLoop();
        } else {
          delay(2000); //Zeit um Knopf loszulassen
          offLoop();
        }
      } else { // Der Knopf wurde kurz gedrückt
        if (status == BLINK || status == TURN) {
          offLoop();
        } else {
          blinkLoop();
        }
      }
    } else {
      delay(delayMs - 50);
    }
  } else {
    delay(delayMs);
  }
}


void blinkLoop() {
  status = BLINK;
  for (int i = 0; i < 500; i++) {
    digitalWrite(led1, HIGH);
    digitalWrite(led2, HIGH);
    lightTasterWithDelay(100);
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    delay(100);
    digitalWrite(led1, HIGH);
    digitalWrite(led2, HIGH);
    lightTasterWithDelay(100);
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    delay(100);
    digitalWrite(led3, HIGH);
    digitalWrite(led4, HIGH);
    lightTasterWithDelay(100);
    digitalWrite(led3, LOW);
    digitalWrite(led4, LOW);
    delay(100);
    digitalWrite(led3, HIGH);
    digitalWrite(led4, HIGH);
    lightTasterWithDelay(100);
    digitalWrite(led3, LOW);
    digitalWrite(led4, LOW);
    delay(100);
  }
}

void turnLoop() {
  status = TURN;
  // 3 mal drehen ohne Knopfprüfung (Zeit zum Knopf loslassen)
  for (int i = 0; i < 3; i++) {
    digitalWrite(led1, HIGH);
    delay(100);
    digitalWrite(led1, LOW);
    digitalWrite(led2, HIGH);
    delay(100);
    digitalWrite(led2, LOW);
    digitalWrite(led3, HIGH);
    delay(100);
    digitalWrite(led3, LOW);
    digitalWrite(led4, HIGH);
    delay(100);
    digitalWrite(led4, LOW);
  }
  // Drehen mit Knopfprüfung
  for (int i = 0; i < 1000; i++) {
    digitalWrite(led1, HIGH);
    delay(100);
    digitalWrite(led1, LOW);
    digitalWrite(led2, HIGH);
    lightTasterWithDelay(100);
    digitalWrite(led2, LOW);
    digitalWrite(led3, HIGH);
    delay(100);
    digitalWrite(led3, LOW);
    digitalWrite(led4, HIGH);
    lightTasterWithDelay(100);
    digitalWrite(led4, LOW);
  }
  offLoop();
}