// Final Exercise: Using calendar meeting to turn Nop

// 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);
int meetingFunc(String args);
unsigned long initialized = 0;
unsigned long timing = 0;
unsigned long now = 0;

void setup() {
    strip.begin();
    strip.show(); // Initialize all pixels to 'off'
    Particle.function("Calendar Reminder", meetingFunc);
}

void loop() {
    
    now = millis();
    uint32_t c = strip.Color(0, 0, 0); // All Red
    
    
    while (initialized == 1 && (now - timing) <= 900000) {
        int set = map((now - timing), 0, 900000, 0, 255);
        c = strip.Color(set, 0, 0);
        for( int i = 0; i < strip.numPixels(); i++ ){
            strip.setPixelColor(i, c); // set a color 
        }
        strip.show();
        Serial.print(set);
        Serial.print(" ");
        Serial.print(now);
        Serial.print(" ");
        Serial.println(timing);
        delay(1000);
        now = millis();
        
        if ((now - timing) == 300000) {
            initialized = 0;
            Serial.println("Exit the while");
        }
    }
    c = strip.Color(0, 0, 0);
    for( int i = 0; i < strip.numPixels(); i++ ){
            strip.setPixelColor(i, c); // set a color 
        }
    strip.show();
    delay(100);
}

int meetingFunc(String args) {
    
    initialized = 1;
    timing = millis();
    return 1;
}