#include <neopixel.h>

// IMPORTANT: Set pixel COUNT, PIN and TYPE
#define PIXEL_PIN D2
#define PIXEL_COUNT 8
#define PIXEL_TYPE WS2812
 
Adafruit_NeoPixel strip = Adafruit_NeoPixel(PIXEL_COUNT, PIXEL_PIN, PIXEL_TYPE);

void setup() {
    strip.begin();
    
    Particle.function("red", setRed);   
    Particle.function("blue", setBlue);   
    Particle.function("green", setGreen);   

}

void loop() {
    
}

int setGreen(String value) {
    int v = value.toInt();
    uint32_t green = strip.Color(v, 0, 0);
    int numPixels = strip.numPixels();
    
    if (v >= 0 && v < 256) {
        for( int i = 0; i < numPixels; i++ ){
            strip.setPixelColor(i, green); // set a color 
        }
        
        strip.show();
        delay(500);
        
        return 1;
    } else {
        return -1;
    }
}

int setBlue(String value) {
    int v = value.toInt();
    uint32_t blue = strip.Color(0, 0, v);
    int numPixels = strip.numPixels();
    
    if (v >= 0 && v < 256) {
        for( int i = 0; i < numPixels; i++ ){
            strip.setPixelColor(i, blue); // set a color 
        }
        
        strip.show();
        delay(500);
        
        return 1;
    } else {
        return -1;
    }
}

int setRed(String value) {
    int v = value.toInt();
    uint32_t Red = strip.Color(0, v, 0);
    int numPixels = strip.numPixels();
    
    if (v >= 0 && v < 256) {
        for( int i = 0; i < numPixels; i++ ){
            strip.setPixelColor(i, Red); // set a color 
        }
        
        strip.show();
        delay(500);
        
        return 1;
    } else {
        return -1;
    }
}