import java.net.URLEncoder;

import it.aos.midi.processing.*;

import com.aos.zxing4processing.*;

WUSUM wusum;

ZXING4P barcodeDecoder;
Vector responses;
String s;
PImage b;

PFont font;


long timestamp = 0;

void setup(){

  size(500,500);
  
  barcodeDecoder = new ZXING4P(this);
  
  wusum = new WUSUM(this, 1);
  
  s = "";
  
  
  font = loadFont("TerryScript-25.vlw"); 
  textFont(font); 
    

}

void draw(){
  background(0);
  if(b!=null){
    image(b,0,70,width,height-70);
  }
  fill(255,255,255);
  text("Type text to create barcode. Click mouse to play barcode.", 15, 30);
  fill(200,90,0);
  if(responses!=null){
      for(int rr = 0; rr<responses.size(); rr++){
        String ss = (String) responses.elementAt(rr);
        text(ss, 15, 60 + rr*20);
      }
  }
}


void initBarcode(){
  try{  
    String relativeURL = "proxyGen.php?url=" + URLEncoder.encode("http://qrcode.kaywa.com/img.php?s=12&d=" + s,"UTF-8") ;
    //println("ru=" + relativeURL);

    responses = barcodeDecoder.decodeWeb(true,relativeURL,getCodeBase());
    b = loadImage(relativeURL,"png");
  } catch(Exception ex){
    ex.printStackTrace();
  }
}

void mouseClicked() {
      if(responses!=null){
      for(int rr = 0; rr<responses.size(); rr++){
        String ss = (String) responses.elementAt(rr);
        
        for(int k = 0; k<ss.length(); k++){
          
          int midiCh = 0;
          int pan = 64;
          long waitAfter = 100;
          int instrument = (int) ss.charAt(k);
          int note = 50;
          int velocity = 100;
          
          WUSUM.SoundEvent se = wusum.getPANEvent(midiCh, pan, timestamp, waitAfter );
          wusum.addEvent(se,0);

          timestamp++;
          se = wusum.getINSTRUMENT_CHANGEEvent(midiCh, instrument, timestamp, waitAfter );
          wusum.addEvent(se,0);

          timestamp++;
          se = wusum.getNOTE_ONEvent(midiCh, note, velocity, timestamp, waitAfter );
          wusum.addEvent(se,0);

          timestamp++;
          se = wusum.getNOTE_OFFEvent(midiCh, note, velocity, timestamp, waitAfter );
          wusum.addEvent(se,0);
          
        }
        
      }
    }

}

void keyPressed(){
  
  if(key==CODED){
    // nothing
  } else {
    println("k=" + key);
    if(key == BACKSPACE && s.length()>=1){
      s = s.substring(0,s.length()-1);
        initBarcode();
    } else if(s.length()<20){
      
      String c = "" + key;
      s = s + c;
        initBarcode();
    }
  }

}