#define BUTTON 2
#define BUZZER1 3
#define BUZZER2 5
#define BUZZER3 6

int buzzers[] = {BUZZER1, BUZZER2, BUZZER3};
int freqs[] = {440, 523, 659}; // A4, C5, E5
int longPressFreqs[] = {262, 294, 330, 349, 392, 440, 466, 494, 523, 554, 587, 622, 659, 698, 740, 784, 830, 880, 932, 987, 1047, 1109, 1175, 1245, 1319, 1397, 1480, 1568, 1661, 1760, 1865}; // 30 frequencies

unsigned long pressTime = 0;
bool buttonState = false;
bool lastButtonState = false;

void setup() {
  pinMode(BUTTON, INPUT_PULLUP);  // Use internal pull-up resistor
  pinMode(BUZZER1, OUTPUT);
  pinMode(BUZZER2, OUTPUT);
  pinMode(BUZZER3, OUTPUT);
  randomSeed(analogRead(A0));  // For better shuffle randomness
}

void loop() {
  buttonState = digitalRead(BUTTON) == LOW;

  if (buttonState && !lastButtonState) {
    // Button pressed, start counting time
    pressTime = millis();
  }

  if (!buttonState && lastButtonState) {
    // Button released, check how long it was pressed
    unsigned long pressDuration = millis() - pressTime;

    // Determine the action based on press duration
    if (pressDuration > 5000) {
      // Long press (more than 5 seconds)
      playLongPressPattern();
    } else if (pressDuration > 1000) {
      // Short press (more than 1 second, but less than 5 seconds)
      playBuzzersRandomOrder();
    }

    // Reset after release
    delay(500);  // Debounce delay
  }

  lastButtonState = buttonState;
}

void playBuzzersRandomOrder() {
  // Shuffle order
  for (int i = 2; i > 0; i--) {
    int j = random(i + 1);
    int tempB = buzzers[i]; buzzers[i] = buzzers[j]; buzzers[j] = tempB;
    int tempF = freqs[i]; freqs[i] = freqs[j]; freqs[j] = tempF;
  }

  for (int i = 0; i < 3; i++) {
    tone(buzzers[i], freqs[i]);
    delay(3333);  // Play each frequency for 3.33 seconds
    noTone(buzzers[i]);
  }
}

void playLongPressPattern() {
  // Play 30 frequencies for 2 seconds each (total 60 seconds)
  for (int i = 0; i < 30; i++) {
    tone(BUZZER1, longPressFreqs[i]);  // Play frequency
    delay(2000);  // Play for 2 seconds
    noTone(BUZZER1);  // Stop sound
  }
}