// This #include statement was automatically added by the Particle IDE.
#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);


long startTime = 0;
long endTime = 0;
long preTime = 0;
int event(String trigger);

//for light color iteration
int x = 255;

void setup() {
Particle.function("event", event);
strip.begin();
strip.show();
}

void loop() {

    if(millis() < startTime){
    
        for(int i = 0; i<16; i++){
         uint32_t c = strip.Color(255, x, x);   
         strip.setPixelColor(i, c);
        }
        
        strip.show();
        x--;
        delay(3529);
    }
    
     if(millis() > startTime && millis() < endTime){
    
        for(int i = 0; i<16; i++){
         uint32_t c = strip.Color(255, x, x);   
         strip.setPixelColor(i, c);
        }

        strip.show();
        x++;
        delay(3529);
    }
    
    if(endTime > 0 && millis() > endTime){
        strip.clear();
        strip.show();
        preTime = 0;
        startTime = 0;
        endTime = 0;
    }
    
}


int event(String trigger){

strip.Color(255,255,255);
strip.show();
preTime = millis();
startTime = preTime + 900000;
endTime = startTime + 900000;

return 1;
}