#include <Adafruit_NeoPixel.h>

#define NUMPIXELS 16  // Number of pixels in each ring
#define PIN1 2        // Digital pin connected to the first NeoPixel ring
#define PIN2 3        // Digital pin connected to the second NeoPixel ring
#define BUTTON_PIN 4   // Digital pin connected to the button

Adafruit_NeoPixel strip1 = Adafruit_NeoPixel(NUMPIXELS, PIN1, NEO_GRB + NEO_KHZ800);
Adafruit_NeoPixel strip2 = Adafruit_NeoPixel(NUMPIXELS, PIN2, NEO_GRB + NEO_KHZ800);

bool ledsOn = false;

void setup() {
  strip1.begin();
  strip2.begin();
  pinMode(BUTTON_PIN, INPUT_PULLUP);
}

void loop() {
  if (digitalRead(BUTTON_PIN) == LOW) { // button pressed
    if (!ledsOn) {
      fadeOn();
      ledsOn = true;
    } else {
      fadeOff();
      ledsOn = false;
    }
    delay(500); // Debounce delay to prevent multiple rapid button presses
  }
}

void fadeOn() {
  for (int i = 0; i < NUMPIXELS; i++) {
    strip1.setPixelColor(i, strip1.Color(255, 0, 0)); // Red color, you can change this
    strip1.show();
    delay(150); // Adjust the delay for the speed of fading
  }
  delay(500); // Adjust the delay before turning on the second ring
  for (int i = 0; i < NUMPIXELS; i++) {
    strip2.setPixelColor(i, strip2.Color(0, 0, 255)); // Blue color, you can change this
    strip2.show();
    delay(150);
  }
}

void fadeOff() {
  for (int i = 0; i < NUMPIXELS; i++) {
    strip2.setPixelColor(i, strip2.Color(0, 0, 0)); // Turn off pixels
    strip2.show();
    delay(150);
  }
  delay(500);
  for (int i = 0; i < NUMPIXELS; i++) {
    strip1.setPixelColor(i, strip1.Color(0, 0, 0)); // Turn off pixels
    strip1.show();
    delay(150);
  }
}