// Two lights alternating blinking
// Name and assign the pins
int ledPin1 = D3; // First LED (RED)
int ledPin2 = D2; // Second LED (Orange)

void setup() {
   // Configure the pins to be outputs
   pinMode(ledPin1, OUTPUT);
   pinMode(ledPin2, OUTPUT);

   // LED Off
   digitalWrite(ledPin1, LOW);
   digitalWrite(ledPin2, LOW);

   // Register cloud function here
   Particle.function("led", ledControl);
}

void loop() {
   // LED Blinking between LED 1 and LED 2
   digitalWrite(ledPin1, HIGH); // Turn ON the first LED
   digitalWrite(ledPin2, LOW);  // Turn OFF the second LED
   delay(500);                 // 0.5 Sec Delay

   digitalWrite(ledPin1, LOW);  // Turn OFF the first LED
   digitalWrite(ledPin2, HIGH); // Turn ON the second LED
   delay(500);                 // 0.5 Sec Delay
}

int ledControl(String command) {
   if (command == "LED1_ON") {
      digitalWrite(ledPin1, HIGH);
   } else if (command == "LED1_OFF") {
      digitalWrite(ledPin1, LOW);
   } else if (command == "LED2_ON") {
      digitalWrite(ledPin2, HIGH);
   } else if (command == "LED2_OFF") {
      digitalWrite(ledPin2, LOW);
   } else {
      return -1; // Incorrect command
   }

   return 1;
}