int ledPinG = D0;
int ledPinY = D1;
int ledPinB = D2;

void setup() {
  Particle.subscribe("DIOT2018green",greenHandler);
  Particle.subscribe("DIOT2018yellow",yellowHandler);
  Particle.subscribe("DIOT2018blue",blueHandler);
  Particle.subscribe("tag_dispensed",tag_dispensed);
  pinMode( ledPinG , OUTPUT );
  pinMode( ledPinY, OUTPUT );
  pinMode(ledPinB, OUTPUT);
//   digitalWrite(ledPinG, HIGH);
//   digitalWrite(ledPinY, HIGH);
//   digitalWrite(ledPinB, HIGH);
}
// LED Handlers
void greenHandler(const char *event, const char *data) {
  if(data == "HIGH"){
    digitalWrite(ledPinG, HIGH);
  } else{
    digitalWrite(ledPinG, LOW);
  }
}
void yellowHandler(const char *event, const char *data) {
  if(data == "HIGH"){
    digitalWrite(ledPinY, HIGH);
  } else{
    digitalWrite(ledPinY, LOW);
  }
}
void blueHandler(const char *event, const char *data) {
  if(data == "HIGH"){
    digitalWrite(ledPinB, HIGH);
  } else{
    digitalWrite(ledPinB, LOW);
  }
}
// Indication of a New user LED Sequence via dispensed rfid tag
void tag_dispensed(const char *event, const char *data) {
  if(data == "HIGH") {
    digitalWrite(ledPinG, HIGH);
    delay(1000);
    digitalWrite(ledPinY, HIGH);
    delay(1000);
    digitalWrite(ledPinB, HIGH);
    delay(1000);
    digitalWrite(ledPinB, LOW);
    delay(1000);
    digitalWrite(ledPinY, LOW);
    delay(1000);
    digitalWrite(ledPinG, LOW);
    delay(5000);
  }
}