// Light up Neopixel
// This #include statement was automatically added by the Particle IDE.
#include <neopixel.h>

// This #include statement was automatically added by the Particle IDE.
#include <neopixel.h>
#define PIXEL_PIN D2
#define PIXEL_COUNT 14
#define PIXEL_TYPE WS2812
Adafruit_NeoPixel strip = Adafruit_NeoPixel(PIXEL_COUNT, PIXEL_PIN, PIXEL_TYPE);

int buttonPin = D3;
bool buttonState = true;


// This value will store the last time we published an event
long lastPublishedAt = 0;
// this is the time delay before we should publish a new event
// from this device
int publishAfter = 10000;

void setup()
{
  strip.begin();
  strip.show(); // Initialize all pixels to 'off'
  pinMode( buttonPin , INPUT_PULLUP); // sets pin as input
  Particle.subscribe(  "hugIt/imReady" , handleSharedEvent );

}

void loop()
{
    // publish my event
    // you'll want some more complex stuff here
    buttonState = digitalRead( buttonPin );
    if(buttonState == LOW) {
        publishMyEvent();
    }


    // delay for a bit
    delay(100);
}


void publishMyEvent()
{
  // Remember that a device can publish at rate of about 1 event/sec,
  // with bursts of up to 4 allowed in 1 second.
  // Back to back burst of 4 messages will take 4 seconds to recover.
  // So we want to limit the amount of publish events that happen.

  // check that it's been 10 secondds since our last publish
  if( lastPublishedAt + publishAfter < millis() )
  {
      // Remember our subscribe is matching  "db2018/paired/"
      // We'll append the device id to get more specific
      // about where the event came from

      // System.deviceID() provides an easy way to extract the device
      // ID of your device. It returns a String object of the device ID,
      // which is used to identify your device.

      String eventName = "hugIt/imReady" + System.deviceID();

      // now we have something like "diot/2019/paired/0123456789abcdef"
      // and that corresponds to this devices info

      // then we share it out
      Particle.publish( eventName, "I'm SCARED" );

      // And this will get shared out to all devices using this code

      // we just pubished so capture this.
      lastPublishedAt = millis();
  }

}

// Our event handlde requires two bits of information
// This gives us:
// A character array that consists of the event name
// A character array that contains the data published in the event we're responding to.
void handleSharedEvent(const char *event, const char *data)
{
    uint16_t i;
    uint32_t c = strip.Color(219, 101, 255);
    uint32_t c_off = strip.Color(0, 0, 0);
    // Now we're getting ALL events published using "db2018/paired/"
    // This includes events from this device.
    // So we need to ignore any events that we sent.

    // Let's check the event name
    String eventName = String( event ); // convert to a string object


    String deviceID = System.deviceID();

    // device id = 0123456789abcdef
    // event = "diot/2019/paired/0123456789abcdef"

    if( eventName.indexOf( deviceID ) != -1 ){
      // if we get anything other than -1
      // the event came from this device.
      // so stop doing stuff
     return;
    }

    // otherwise do your stuff to respond to
    // the paired device here
  
    for (i=0; i< strip.numPixels() ; i++ ){
      strip.setPixelColor(i,c);
      }
      strip.show();
      delay(5000);
      
    for (i=0; i< strip.numPixels() ; i++ ){
      strip.setPixelColor(i,c_off);
      }
      strip.show();
      delay(100);
}