import processing.serial.*;

Sphinx listener;
Scripter script;

String s = ""; // variable for sphinx results

Serial myPort;  // port for receipt printer
static int LF = 10;
static boolean doprint = false;

int lastevent = 0;

void setup() {
  size(400, 400);
  background(0);

  // setup printer if necessary
  if(doprint)
    setupPrinter();

  // setup speech recognition
  listener = new Sphinx(this,"sphinx.config.xml");
  lastevent = 0; // for intra-utterance timing

  // set up scripter
  script = new Scripter(this, "/Users/rtwomey/script/script.txt");
  //script.showText();
  System.out.println("first token: "+script.getNext());
}

void setupPrinter() {
  // serial init
  println(Serial.list());
  // I know that the first port in the serial list on my mac
  // is always my  Keyspan adapter, so I open Serial.list()[0].
  // Open whatever port is the one you're using.
  myPort = new Serial(this, Serial.list()[0], 4800);

  //init receipt printer
  myPort.write(ESC);
  myPort.write("@");

  // fast feed
  myPort.write(ESC);
  myPort.write('d');
  myPort.write(8);

  // line feed
  myPort.write(LF);

  // cut paper
  myPort.write(ESC);
  myPort.write('i');

  delay(1000);
}

void dispose() {
  // clean up listener threads
  listener.dispose();
}

void draw() { 
  stroke(255);

  // check how long it has been silent
  // doquit();
}

void doQuit() {
  // advance print and cut paper
  if(doprint) {
    // fast feed
    myPort.write(ESC);
    myPort.write('d');
    myPort.write(8); // feed this many lines

    // cut
    myPort.write(ESC);
    myPort.write('i');
  }

  // close and dispose
  exit();
}

void SphinxEvent(Sphinx _l) {
  int now = millis();

  s = _l.readString(); // returns the recognized string

    // echo to screen 
  //  System.out.print("["+now+"] sphinx heard: "+s);
  System.out.print("["+now+"] "+s);

  // intra-utterance timing
  System.out.println("  ("+(now-lastevent)+" since last utterance)");
  lastevent=now;

  // send to printer if necessary
  if(doprint) {
    myPort.write(s);
    myPort.write(LF);
  }

  int i = s.indexOf(script.getNext());
  if(i>=0) {
    System.out.println("matched "+s.substring(i));
    script.advance();
    System.out.println("next: "+script.getNext());
  }

  // check for stop command
  if((s.indexOf("quit") >= 0) || (s.indexOf("exit") >= 0) || ((s.indexOf("stop") >= 0) && (s.indexOf("dystopian") < 0))) {
    doQuit();
  }
}