// Define the LED pins
const int ledPins[] = {0, 1, 2, 3, 4, 5};  // Pins connected to LEDs

void setup() {
  // Start serial communication at 9600 baud rate
  Serial.begin(9600);
  
  // Initialize the LED pins as outputs
  for (int i = 0; i < 6; i++) {
    pinMode(ledPins[i], OUTPUT);
  }

  // Print the message to Serial Monitor
  Serial.println("LED Chasing Patterns Initialized");
}

void loop() {
  // Case 1: Chase LEDs forward
  Serial.println("Case 1: Chase LEDs forward");
  for (int i = 0; i < 6; i++) {
    digitalWrite(ledPins[i], HIGH);
    delay(100);
    digitalWrite(ledPins[i], LOW);
  }

  // Case 2: Chase LEDs backward
  Serial.println("Case 2: Chase LEDs backward");
  for (int i = 5; i >= 0; i--) {
    digitalWrite(ledPins[i], HIGH);
    delay(100);
    digitalWrite(ledPins[i], LOW);
  }

  // Case 3: Blink all LEDs together
  Serial.println("Case 3: Blink all LEDs together");
  for (int i = 0; i < 3; i++) {  // Blink 3 times
    for (int j = 0; j < 6; j++) {
      digitalWrite(ledPins[j], HIGH);
    }
    delay(200);
    for (int j = 0; j < 6; j++) {
      digitalWrite(ledPins[j], LOW);
    }
    delay(200);
  }

  // Case 4: Alternate LEDs
  Serial.println("Case 4: Alternate LEDs");
  for (int i = 0; i < 3; i++) {  // Repeat 3 times
    for (int j = 0; j < 6; j += 2) {
      digitalWrite(ledPins[j], HIGH);
    }
    delay(200);
    for (int j = 0; j < 6; j += 2) {
      digitalWrite(ledPins[j], LOW);
    }
    for (int j = 1; j < 6; j += 2) {
      digitalWrite(ledPins[j], HIGH);
    }
    delay(200);
    for (int j = 1; j < 6; j += 2) {
      digitalWrite(ledPins[j], LOW);
    }
  }

  // Case 5: Knight Rider effect
  Serial.println("Case 5: Knight Rider effect");
  for (int i = 0; i < 6; i++) {
    digitalWrite(ledPins[i], HIGH);
    delay(100);
    digitalWrite(ledPins[i], LOW);
  }
  for (int i = 4; i > 0; i--) {
    digitalWrite(ledPins[i], HIGH);
    delay(100);
    digitalWrite(ledPins[i], LOW);
  }
}