int redPin = A0;
int greenPin = D0;
int bluePin = D1;

// Define a pin that we'll place the pot on
int potPin = A1;
//send to internet
int buttonPin = D2;

// Create a variable to hold the pot reading
int potReading = 0;

// Create a variable to store color state.
int state = 0;

void setup(){

  pinMode( redPin, OUTPUT);
  pinMode( greenPin, OUTPUT);
  pinMode( bluePin, OUTPUT);
  pinMode( buttonPin , INPUT_PULLUP); // sets pin as input

  Spark.subscribe(  "db2015/conchain123/color1" , receiveColor );

}



void loop() {



  // when the button is not pushed we'll get a HIGH
  //first set color off (255,255,255)

  potReading = analogRead(potPin);
  //map the color state
  state = map(potReading, 0, 4095, 0, 255);


  if( state == 0  )
  {
    // turn the LED off
    digitalWrite( redPin, HIGH );
    digitalWrite( greenPin, HIGH );
    digitalWrite( bluePin, HIGH );
  }
  else if(state > 0 && state < 85) //red
  {
    digitalWrite( redPin, LOW );
    digitalWrite( greenPin, HIGH );
    digitalWrite( bluePin, HIGH );
  }
  else if(state > 85 && state < 170) //green
  {
    digitalWrite( redPin, HIGH );
    digitalWrite( greenPin, LOW );
    digitalWrite( bluePin, HIGH );
  }
  else if(state > 170 && state < 255) //blue
  {
    digitalWrite( redPin, HIGH );
    digitalWrite( greenPin, HIGH );
    digitalWrite( bluePin, LOW );
  }

  buttonpublish(state);

  delay (100);

}

  //press button to publish
  void buttonpublish(int value)
  {
   int buttonState = digitalRead( buttonPin );

   if( buttonState == LOW )
   {
     delay(2000);
     if( buttonState == LOW)
     {
       if(value > 0 && value < 85)
       {
         publishred();
         blinkredLED();
       }
       else if(value > 85 && value < 170)
       {
         publishgreen();
         blinkgreenLED();
       }
       else if(value > 170 && value < 255)
       {
         publishblue();
         blinkblueLED();
       }
     }
   }
   delay(100);
  }

  //publish red
  void publishred()
  {
    Spark.publish( "db2015/conchain123/color2", "RED" );
  }

  //publish green
  void publishgreen()
  {
    Spark.publish( "db2015/conchain123/color2", "GREEN" );

    //Spark.publish( "db2015/conchain123/green" );
  }

  //publish blue
  void publishblue()
  {
    Spark.publish( "db2015/conchain123/color2", "BLUE" );

    //Spark.publish( "db2015/conchain123/blue" );
  }

  void blinkredLED()
  {
    digitalWrite( redPin, HIGH );
    digitalWrite( greenPin, HIGH );
    digitalWrite( bluePin, HIGH );
    for( int i = 0 ; i < 3 ; i++ )
    {
    digitalWrite( redPin, LOW );

    delay( 500 );

    digitalWrite( redPin, HIGH );

    delay( 500 );
    }
  }
  
  void blinkgreenLED()
  {
    digitalWrite( redPin, HIGH );
    digitalWrite( greenPin, HIGH );
    digitalWrite( bluePin, HIGH );
    for( int i = 0 ; i < 3 ; i++ )
    {
    digitalWrite( greenPin, LOW );

    delay( 500 );

    digitalWrite( greenPin, HIGH );

    delay( 500 );
    }
  }

  void blinkblueLED()
  {
    digitalWrite( redPin, HIGH );
    digitalWrite( greenPin, HIGH );
    digitalWrite( bluePin, HIGH );
  for( int i = 0 ; i < 3 ; i++ )
  {
  digitalWrite( bluePin, LOW );

  delay( 500 );

  digitalWrite( bluePin, HIGH );

  delay( 500 );
}
  }

  void receiveColor( const char *event, const char *data)
  {

    if( strcmp( data, "RED" ) == 0 ){
      receiveRED( event, data);
    }

   else if( strcmp( data, "GREEN" ) == 0 ){
      receiveGREEN( event, data);
    }


   else if( strcmp( data, "BLUE" ) == 0 ){
      receiveBLUE( event, data);
    }

  else
  {
    blinkblueLED();
    }


  }


  void receiveRED(const char *event, const char *data)
  {
    digitalWrite( redPin, HIGH );
    digitalWrite( greenPin, HIGH );
    digitalWrite( bluePin, HIGH );
    blinkredLED();
    digitalWrite( redPin, LOW );
    delay(3000);
  }

  void receiveGREEN(const char *event, const char *data)
  {
    digitalWrite( redPin, HIGH );
    digitalWrite( greenPin, HIGH );
    digitalWrite( bluePin, HIGH );
    blinkgreenLED();
    digitalWrite( greenPin, LOW );
    delay(3000);
  }

  void receiveBLUE(const char *event, const char *data)
  {
    digitalWrite( redPin, HIGH );
    digitalWrite( greenPin, HIGH );
    digitalWrite( bluePin, HIGH );
    blinkblueLED();
    digitalWrite( bluePin, LOW );
    delay(3000);
  }