#include <FastLED.h>

// Define the number of LEDs in each ring
#define LED_COUNT_1 1
#define LED_COUNT_8 8
#define LED_COUNT_12 12
#define LED_COUNT_16 16

// Define the digital I/O pins for the data lines
#define DATA_PIN_1 2
#define DATA_PIN_8 3
#define DATA_PIN_12 4
#define DATA_PIN_16 5

// Define the array of LEDs for each ring
CRGB leds_1[LED_COUNT_1];
CRGB leds_8[LED_COUNT_8];
CRGB leds_12[LED_COUNT_12];
CRGB leds_16[LED_COUNT_16];

// Speed adjustment (higher value = slower animation)
unsigned int speedAdjustment = 10; // Adjust this value to change the speed

// Initialize LED pins
int redPin = 9;
int greenPin = 10;
int bluePin = 11;

void setup() {
  FastLED.addLeds<WS2812B, DATA_PIN_1, GRB>(leds_1, LED_COUNT_1);
  FastLED.addLeds<WS2812B, DATA_PIN_8, GRB>(leds_8, LED_COUNT_8);
  FastLED.addLeds<WS2812B, DATA_PIN_12, GRB>(leds_12, LED_COUNT_12);
  FastLED.addLeds<WS2812B, DATA_PIN_16, GRB>(leds_16, LED_COUNT_16);

  // Set the first ring to bright yellow and show it
  leds_1[0] = CRGB::Yellow; // Set to yellow color
  FastLED.show();

  // Set LED pins as output
  pinMode(redPin, OUTPUT);
  pinMode(greenPin, OUTPUT);
  pinMode(bluePin, OUTPUT);
}

void loop() {
  // Run a different color fade sequence for the remaining rings
  fadeColor(leds_8, LED_COUNT_8, 10); // Different phase for each ring
  fadeColor(leds_12, LED_COUNT_12, 3);
  fadeColor(leds_16, LED_COUNT_16, 6);
  
  // Update the LEDs (excluding the first ring, which remains yellow)
  FastLED.show();
  
  // Small delay to control the speed of the animation
  delay(5);
}

void fadeColor(CRGB* leds, int count, int phaseShift) {
  uint8_t hue = (millis() / speedAdjustment + phaseShift * 64) % 256; // Phase shift each ring
  for (int i = 0; i < count; i++) {
    leds[i] = CHSV(hue, 255, 255);
  }

  // Start with red at 20%, green at 20%, and blue at 100%
  analogWrite(redPin, 51); // 20% of 255
  analogWrite(greenPin, 51); // 20% of 255
  analogWrite(bluePin, 255); // 100% of 255

  // Fade blue LED from 100 to 50
  for (int brightness = 255; brightness >= 50; brightness--) {
    analogWrite(bluePin, brightness);
    delay(10);
  }

  // Fade green LED from 20 to 50
  for (int brightness = 51; brightness <= 127; brightness++) {
    analogWrite(greenPin, brightness);
    delay(10);
  }

  // Fade blue from 50 to 20
  for (int brightness = 127; brightness >= 51; brightness--) {
    analogWrite(bluePin, brightness);
    delay(10);
  }

  // Fade red from 20 to 50
  for (int brightness = 51; brightness <= 127; brightness++) {
    analogWrite(redPin, brightness);
    delay(10);
  }

  // Fade blue from 20 to 50
  for (int brightness = 127; brightness <= 255; brightness++) {
    analogWrite(bluePin, brightness);
    delay(10);
  }

  // Fade green from 50 to 20
  for (int brightness = 127; brightness >= 51; brightness--) {
    analogWrite(greenPin, brightness);
    delay(10);
  }

  // Fade red from 50 to 20
  for (int brightness = 127; brightness >= 51; brightness--) {
    analogWrite(redPin, brightness);
    delay(10);
  }

  // Fade blue from 50 to 100
  for (int brightness = 127; brightness <= 255; brightness++) {
    analogWrite(bluePin, brightness);
    delay(10);
  }
}