#include <Adafruit_NeoPixel.h>

#define LED_PIN 6
#define NUM_LEDS 12

Adafruit_NeoPixel leds(NUM_LEDS, LED_PIN, NEO_GRB + NEO_KHZ800);

void setup() {
  leds.begin();
  leds.show();  // Initialize all LEDs to an off state
}

void loop() {
  blinkRainbow(3);  // Blink the first LED 3 times with rainbow color
  chaseClockwise();  // Chase LEDs clockwise with rainbow color
  blinkRandom(11);  // Blink the 12th LED with random color
  chaseAntiClockwise();  // Chase LEDs anticlockwise with rainbow color
}

void blinkRainbow(int numBlinks) {
  for (int i = 0; i < numBlinks; i++) {
    for (int j = 0; j < NUM_LEDS; j++) {
      leds.setPixelColor(j, Wheel(map(j, 0, NUM_LEDS - 1, 0, 255)));
    }
    leds.show();
    delay(500);
    leds.clear();
    leds.show();
    delay(500);
  }
}

void chaseClockwise() {
  for (int i = 0; i < NUM_LEDS; i++) {
    leds.setPixelColor(i, Wheel(map(i, 0, NUM_LEDS - 1, 0, 255)));
    leds.show();
    delay(100);
  }
  delay(1000);
}

void blinkRandom(int ledIndex) {
  leds.setPixelColor(ledIndex, random(0, 256), random(0, 256), random(0, 256));
  leds.show();
  delay(500);
  leds.clear();
  leds.show();
  delay(500);
}

void chaseAntiClockwise() {
  for (int i = NUM_LEDS - 1; i >= 0; i--) {
    leds.setPixelColor(i, Wheel(map(i, 0, NUM_LEDS - 1, 0, 255)));
    leds.show();
    delay(100);
  }
  delay(1000);
}

// Helper function to generate rainbow colors
uint32_t Wheel(byte WheelPos) {
  WheelPos = 255 - WheelPos;
  if (WheelPos < 85) {
    return leds.Color(255 - WheelPos * 3, 0, WheelPos * 3);
  }
  if (WheelPos < 170) {
    WheelPos -= 85;
    return leds.Color(0, WheelPos * 3, 255 - WheelPos * 3);
  }
  WheelPos -= 170;
  return leds.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
}