import processing.serial.*;
import processing.sound.*;

SoundFile[] soundfile = {null,null,null,null,null,null};

Serial myPort;
String dataIn = "";
int linefeed = 10;
int currentLang = 0;

String[] langs = {"NONE","Italian","English","Spanish","German","French"};

void setup()  {
  size(600, 400);
  myPort = new Serial(this, "/dev/ttyUSB0", 9600);
  for(int i=0; i<langs.length; i++) {
    println("Loading language file: "+langs[i]+".aiff");
    soundfile[i] = new SoundFile(this, langs[i]+".aiff");
  }
  
  println("Ready!");
}


void draw() {
  background(0);
  
  float sw = textWidth(langs[currentLang]);
  fill(255);
  stroke(255);
  textSize(16);
  textAlign(CENTER, CENTER);
  text("Selected language:", width/2, (height/2)-50);
  textSize(22);
  text(langs[currentLang], width/2, height/2);
}


void serialEvent(Serial thisPort) {

  if(myPort.available() > 0) {
    dataIn = myPort.readStringUntil(linefeed);
    if (dataIn != null) {
      String[] split = dataIn.split("\t");
      currentLang = parseInt(trim(split[1]));
      for(int i=0; i<langs.length; i++) {
        soundfile[i].stop();
      }
      soundfile[currentLang].play();
      //println(dataIn+" - "+split[0]+" - "+split[1]+" -> "+currentLang);
    }
  }
}