import processing.serial.*;
import processing.sound.*;
import gohai.glvideo.*;

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

Serial myPort;
String dataIn = "";
char linefeed = '\n';
int currentLang = 0;
int ms = 0;

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

void setup()  {
  size(1920, 1080, P2D);

  for(int i=0; i<langs.length; i++) {
    println("Loading language file: "+langs[i]+".aiff");
    soundfile[i] = new SoundFile(this, langs[i]+".aiff");
  }
  
  delay(5000);
  myPort = new Serial(this, "/dev/ttyUSB0", 9600);

  video = new GLMovie(this, "loop.mp4");
  video.loop();
  
  println("Ready!");
  
}


void draw() {
  background(0);
  
  if (video.available()) {
    video.read();
  }
  image(video, 0, 0, width, height);
  
  if(soundfile[currentLang].isPlaying()) {
    ms = ms < 255 ? ms+1 : 255;
    /*
    textAlign(LEFT, CENTER);
    text("Playing",10,10);
    */
  } else {
    ms = ms > 0 ? ms-1 : 0;
  }
  tint(255, ms);
  /*
  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);
    }
  }
}