var serial; //variable to hold an instance of the serial port library
var portName = '/dev/cu.usbmodem1411'; //fill in with YOUR port

var buttery;
var x;
var y;
var r = 0;
var g = 0;
var b = 0;
var c;
var sensor1 = 0;



function setup() {
  createCanvas(600, 400);
  x = width;
  y = height;
  serial = new p5.SerialPort();
  serial.on('connected', serverConnected);
  serial.on('open', portOpen);
  serial.on('data', serialEvent);
  serial.on('error', serialError);
  serial.on('close', portClose);
  serial.open(portName);
}

function draw() {
  background(r, g, b);
  stroke(0, 0, 0);

  fill("red");
  rect((width / 5), height - 100, (width / 5), -r);
  fill("green");
  rect(((width / 5) * 2), height - 100, (width / 5), -g);
  fill("blue");
  rect((width / 5) * 3, height - 100, (width / 5), -b);
  stroke("white");
  fill("black");
  rect((width / 5), height - 100, (width / 5), 50);
  fill("black");
  rect((width / 5) * 2, height - 100, (width / 5), 50);
  fill("black");
  rect((width / 5) * 3, height - 100, (width / 5), 50);
  textSize(32);
  fill("white");
  text("Color Analyzer",width/3-10,30);
  text(r, width / 5 + 20, height - 65);
  text(g, ((width / 5)*2)+35 , height - 65);
  text(b, ((width / 5)*3)+30 , height - 65);

}
//on mouse event send a byte (0-255) to arduino
function mousePressed(){

  //we want to send INTERGER

  var outfo = int(map(mouseX,0,width,0,255));
  serial.write(outfo);
  print("Sending out:" + outfo);


}

function keyPressed(){
   // serial.write(150);
	if(key === "R"){
    r=255;
		serial.write(150); //send the key
		print("pressed R");

	}else if(key ==="G"){
		g=255;
    serial.write(180);
    print("pressed G");

	}else if(key ==="B"){
    b=255;
    serial.write(190);
    print("pressed B");

	}else if(key ==="L"){
		serial.write(200);
		print("pressed RAINBOW");
    var k=0;
    r=150;
    g=100;
    b=50;
    while(k<100){
    r=int(random(0,255));
    g=int(random(0,255));
    b=int(random(0,255));
    k++;
    }

	}

}

function serverConnected() {
  console.log('connected to the server');
}

function portOpen() {
  console.log('the serial port opened!');
}

//THIS IS WHERE WE RECEIVE DATA!!!!!!
//make sure you're reading data based on how you're sending from arduino
function serialEvent() {
  //receive serial data here
  //read a string from the serial port
  var inString = serial.readLine(); //read line listens for carriage return

  //check if we recieve
  /* ONE VALUE
  if(inString.length > 0){
  	sensor1 = Number(inString);
  } */
  //MORE THAN ONE VALUE
  //save string to array
  //parse by commas
  if (inString.length > 0) {
    var inputArray = split(inString, ",");
    r = (inputArray[0]);
    g = (inputArray[1]);
    b = (inputArray[2]);
    c = color(inputArray[0], inputArray[1], inputArray[2]);

  }


  //if so, convert and save
  //console.log(sensor1);




}

function serialError(err) {
  console.log('something went wrong with the port. ' + err);
}

function portClose() {
  console.log('the port was closed');
}

// get the list of ports:
function printList(portList) {
  // portList is an array of serial port names
  for (var i = 0; i < portList.length; i++) {
    // Display the list the console:
    print(i + " " + portList[i]);
  }
}