/* Forked codes:
Adafruit Arduino - Lesson 3. RGB LED by Simon Monk
Internet connected LED - Week 3 lecture

Edited by: Christian Veloso
Weather Cloud
*/

// Define the RGB LED pins we're going to use
int redPin = A0;
int greenPin = A1;
int bluePin = A2;

//uncomment this line if using a Common Anode LED
//#define COMMON_ANODE

// This routine runs only once upon reset
void setup()
{
    //Register a Spark function. We will call this function to control the RGB LED
    Spark.function("condition", weatherCondition);

    //initialize the LED pin as an output.
    pinMode(redPin, OUTPUT);
    pinMode(greenPin, OUTPUT);
    pinMode(bluePin, OUTPUT);

    // set the LED to be OFF
    analogWrite(redPin, LOW);
    analogWrite(greenPin, LOW);
    analogWrite(bluePin, LOW);
}

void loop()
{
    // Nothing to do here
}

// This function gets called whenever there is a matching API request
int weatherCondition(String command)
{
    //find out the pin number and convert the ascii to integer
    int pinNumber = command.charAt(0) - '0';
    switch (pinNumber)
    {
        //If weather condition is sunny
        case 1:
        setColor(255, 191, 0);  // sunburst orange
        break;

        //If weather condition is cloudy
        case 2:
        setColor(255, 255, 255);    // white
        break;

        //If weather condition is raining
        case 3:
        setColor(8, 8, 138);    // dark blue
        break;
    }
}

//Adafruit Arduino - Lesson 3. RGB LED by Simon Monk
void setColor(int red, int green, int blue)
{
    #ifdef COMMON_ANODE
    red = 255 - red;
    green = 255 - green;
    blue = 255 - blue;
    #endif
    analogWrite(redPin, red);
    analogWrite(greenPin, green);
    analogWrite(bluePin, blue);
}