#include <neopixel.h>
#include "Particle.h"

#define PIXEL_PIN SPI
#define PIXEL_COUNT 8
#define PIXEL_TYPE WS2812B

Adafruit_NeoPixel strip(PIXEL_COUNT, PIXEL_PIN, PIXEL_TYPE);

void setup() {
    strip.begin();
    strip.setPixelColor(0, strip.Color(255, 0, 0));
    strip.show();
}

void loop() {
    rainbowCycle(20);
    theaterChase(strip.Color(127, 127, 127), 50);
}

void theaterChase(uint32_t color, int wait) {
    for (int a = 0; a < 10; a++) {
        for (int b = 0; b < 3; b++) {
            strip.clear();
            for (int c = b; c < strip.numPixels(); c += 3) {
                strip.setPixelColor(c, color);
            }
            strip.show();
            delay(wait);
        }
    }
}

void rainbowCycle(int wait) {
    uint16_t i, j;

    for (j = 0; j < 256 * 5; j++) {
        for (i = 0; i < strip.numPixels(); i++) {
            strip.setPixelColor(i, Wheel(((i * 256 / strip.numPixels()) + j) & 255));
        }
        strip.show();
        delay(wait);
    }
}

uint32_t Wheel(byte WheelPos) {
    WheelPos = 255 - WheelPos;
    if (WheelPos < 85) {
        return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
    } else if (WheelPos < 170) {
        WheelPos -= 85;
        return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
    } else {
        WheelPos -= 170;
        return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
    }
}