//Part 1

//Create variable connecting to D2
int ledPin = D2;

void setup() {
//Create a function led blink
Particle.function("ledBlink",ledBlink);

pinMode(ledPin, OUTPUT);

digitalWrite(ledPin, LOW);

}

void loop() {

}

//Initiate function led blink
int ledBlink(String command)
{
    
int state = LOW;

//If command is high, blink 3 times
if(command == "HIGH")
    {
    
    digitalWrite(ledPin,LOW);
    delay(500);

    digitalWrite(ledPin,HIGH);
    delay(500);

    digitalWrite(ledPin,LOW);
    delay(500);

    digitalWrite(ledPin,HIGH);
    delay(500);

    digitalWrite(ledPin,LOW);
    delay(500);

    digitalWrite(ledPin,HIGH);
    delay(500);

    digitalWrite(ledPin,LOW);
    delay(500);
    }

//Else return -1
else
    {
    return -1;
    }

}

//Part 2
//Create variable for D2
int ledPin = D2;

void setup() {

//Create a function to control the led
Particle.function("led",ledControl);

pinMode(ledPin, OUTPUT);

digitalWrite(ledPin, LOW);

}

void loop() {

}

//Initiate the led function
int ledControl(String command)
{
int amnt = 0;
//If the amount is not 0 then create an variable of the number
if(command != "0")
    {
    amnt = command.toInt();
    }
    
else
    {
    return -1;
    }

//Then run a loop to blink once for the number of the variable amount
for (int i=1; i <= amnt; i++)
    {
    digitalWrite(ledPin, LOW);
    delay(50);
    digitalWrite(ledPin, HIGH);
    delay(50);
    digitalWrite(ledPin, LOW);
    delay(50);
    }
return amnt;
}

//Part 3
//Create 2 variables, one for D2 and one for D3
int led1 = D2;
int led2 = D3;

//Create a function to control the different lights
void setup()
{
Particle.function("lights",lights);

pinMode(led1, OUTPUT);
digitalWrite(led1, LOW);

pinMode(led2, OUTPUT);
digitalWrite(led2, LOW);
}

void loop()
{}

//have 4 different commands to determine which light to turn on
int lights(String command)
{
    
int state = LOW;
int light = led1;

if(command == "gron")
    {
    state = HIGH;
    light = led1;
    }

else if (command == "groff")
    {
    state = LOW;
    light = led1;
    }
    
else if (command == "redon")
    {
    state = HIGH;
    light = led2;
    }

else if (command == "redoff")
    {
    state = LOW;
    light = led2;
    }

else
    {
    return -1;
    }

digitalWrite(light, state);

return light;
}