#include "neopixel.h"
// IMPORTANT: Set pixel COUNT, PIN and TYPE
#define PIXEL_PIN D2
#define PIXEL_COUNT 16
#define PIXEL_TYPE WS2812
 
Adafruit_NeoPixel strip = Adafruit_NeoPixel(PIXEL_COUNT, PIXEL_PIN, PIXEL_TYPE);
int red = 0;
int green = 0;
int blue = 0;

void setup() {
    
    strip.begin();
    strip.show(); // Initialize all pixels to 'off'
    Particle.function("red", setRed);
    Particle.function("green", setGreen);
    Particle.function("blue", setBlue);
    
}

void loop() {
    
    uint16_t i;
    uint32_t c = strip.Color(red, green, blue); //set the color

    for(i=0; i < strip.numPixels(); i++) {
        strip.setPixelColor(i, c);
    }
    
    strip.show();
	delay( 100 );
    
}

int setRed(String cmd) {
    
    int redInput = cmd.toInt();
    if(redInput >= 0 and redInput <= 255){
        red = redInput;
    }else{
        return -1;
    }
    return 1;
}

int setGreen(String cmd) {
    
    int greenInput = cmd.toInt();
    if(greenInput >= 0 and greenInput <= 255){
        green = greenInput;
    }else{
        return -1;
    }
    return 1;
}

int setBlue(String cmd) {
    
    int blueInput = cmd.toInt();
    if(blueInput >= 0 and blueInput <= 255){
        blue = blueInput;
    }else{
        return -1;
    }
    return 1;
    
}