// Define the LED pins
const int ledPins[] = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11};
const int numLeds = 10;

void setup() {
  // Initialize the LED pins as outputs
  for (int i = 0; i < numLeds; i++) {
    pinMode(ledPins[i], OUTPUT);
  }
  
  // Initialize serial communication
  Serial.begin(9600);
}

void loop() {
  // Generate a random value to simulate sound sensor input
  int soundValue = random(0, 1023);
  Serial.println(soundValue);

  // Create different patterns based on the random value
  if (soundValue < 200) {
    // Pattern 1: Turn on LEDs one by one
    for (int i = 0; i < numLeds; i++) {
      digitalWrite(ledPins[i], HIGH);
      delay(100);
      digitalWrite(ledPins[i], LOW);
    }
  } else if (soundValue < 400) {
    // Pattern 2: Alternate LEDs
    for (int i = 0; i < numLeds; i += 2) {
      digitalWrite(ledPins[i], HIGH);
      if (i + 1 < numLeds) digitalWrite(ledPins[i + 1], LOW);
    }
    delay(500);
    for (int i = 0; i < numLeds; i += 2) {
      digitalWrite(ledPins[i], LOW);
      if (i + 1 < numLeds) digitalWrite(ledPins[i + 1], HIGH);
    }
    delay(500);
  } else if (soundValue < 600) {
    // Pattern 3: All LEDs blink together
    for (int i = 0; i < numLeds; i++) {
      digitalWrite(ledPins[i], HIGH);
    }
    delay(500);
    for (int i = 0; i < numLeds; i++) {
      digitalWrite(ledPins[i], LOW);
    }
    delay(500);
  } else if (soundValue < 800) {
    // Pattern 4: Running lights
    for (int i = 0; i < numLeds; i++) {
      digitalWrite(ledPins[i], HIGH);
      delay(100);
      digitalWrite(ledPins[i], LOW);
    }
  } else {
    // Pattern 5: Sound level based brightness
    int brightness = map(soundValue, 800, 1023, 0, 255);
    for (int i = 0; i < numLeds; i++) {
      analogWrite(ledPins[i], brightness);
    }
    delay(500);
  }

  // Small delay to avoid overwhelming the loop
  delay(50);
}