/**
 * Teleprompter
 *
 * Simple program to scroll a text file vertically, on a blue
 * background.  Intended for use with a partially-silvered
 * mirror, as a teleprompter. 
 *
 * For remote control, uses application iRed Lite to 
 * interface with Mac Remote:
 * http://www.filewell.com/iRedLite/
 *
 * robert.twomey@gmail.com
 *
 */

import oscP5.*;

OscP5 oscP5;

PFont fontA;

final int FONT_SIZE=50;
final color BG=#000000;//#FFFFFF;
final color TXT=#FFFFFF;//#000000;
final color TEXT2=#FFFFFF;
final int margin = 30;

int fadePrompt=0;
int fadeResponse=0;

String prompt="";
String response="";

void setup() 
{
  size(1024, 1280);//1280, 1024);
  //size(screen.width, screen.height);

  background(BG);
  smooth();
  // Load the font. Fonts must be placed within the data 
  // directory of your sketch. A font must first be created
  // using the 'Create Font...' option in the Tools menu.
  // Uncomment the following two lines to see the available fonts 
  //String[] fontList = PFont.list();
  //println(fontList);

  textAlign(CENTER, CENTER);
  fontA = createFont("Helvetica-Bold", 255);
  fill(TXT);
  textFont(fontA, FONT_SIZE);

  /* start oscP5, listening for incoming messages at port 12000 */
  oscP5 = new OscP5(this, 12000);
} 

void drawPrompt(String prompt, int fade) {
  //  background(BG);
  fill(TXT, 255);
  //  text(prompt, 50, 50, 690, 430);
  text(prompt, margin, margin, width-2*margin, (0.75*height)-2*margin);
}

void drawResponse(String response, int fade) {
  background(BG);
  fill(TEXT2, fade);
  text(response, margin, (height*0.50)+margin, width-2*margin, (0.25*height)-2*margin);
}
/* incoming osc message are forwarded to the oscEvent method. */

void oscEvent(OscMessage theOscMessage) {
  /* print the address pattern and the typetag of the received OscMessage */
  //  println("### received an osc message.");
  //  println(" addrpattern: "+theOscMessage.addrPattern());
  //  println(" typetag: "+theOscMessage.typetag());

  String addrpat = theOscMessage.addrPattern();
  String strval = theOscMessage.get(0).stringValue();  

  //println(theOscMessage.toString());
  //theOscMessage.print();
  //theOscMessage.printData();

  if (match(addrpat, "/promptme")!=null) {

    println("Received: "+strval);
    prompt=strval;
    fadePrompt=128;
    //drawPrompt(strval);
  }
  if (match(addrpat, "/showresponse")!=null) {

    println("Received: "+strval);
    response=strval;
    fadeResponse=192;
    //drawResponse(strval);
  }
}

void draw()
{
  if (fadePrompt>0) {
  drawPrompt(prompt, fadePrompt);
  fadePrompt--;
  };
  if (fadeResponse>0) {
      drawResponse(response, fadeResponse);
      fadeResponse--;
  };
}