//import java.util.regex.*;
//import java.io.*;
//String twitterURL = "http://twitter.com/#search?q=%23soundcheck";

String query = "xfactor";
String since = "2009-12-01";
String twitterURL = "http://search.twitter.com/search.atom?q="+query+"&since="+since;
String regex1 = "<(.|\n)+?>";
String proxyHost="hawkeye.pfpcint.com";
String proxyPort="8080";
String paramProxyHost="proxyHost";
String paramProxyPort="proxyPort";
String[][] content;
float verticalVelocity=0.0;
float verticalAcceleration=0.1;
PImage b;
String currentTweetTxt;

void setup() {
  size(640,480);
  background(0);
  smooth();
  frameRate(8);
  PFont font=loadFont("ChocolateBox-32.vlw");
  b = loadImage("titlecard.jpg");
  image(b, 0, 0);
  textFont(font);

  if (param("query")!=null)
    query=param("query");
  if (param("since")!=null)
    since=param("since");
  twitterURL = "http://search.twitter.com/search.atom?q="+query+"&since="+since;
  println("retrieving "+twitterURL);
  currentTweetTxt="";

  if (param(paramProxyHost)!=null)
    System.setProperty("http.proxyHost", param(paramProxyHost));
  else
    System.setProperty("http.proxyHost", proxyHost);

  if (param(paramProxyPort)!=null)
    System.setProperty("http.proxyPort", param(paramProxyPort));
  else
    System.setProperty("http.proxyPort", proxyPort);

  // Download RSS feed of tweets tagged with [query]
  refreshTweets(twitterURL);
}

void draw(){
  fill(0,16);
  rect(0,0,screen.width,screen.height);
  image(b, 0, 0);
  //  b.blend(0, 0, screen.width, screen.height, 0, 0, screen.width, screen.height, MULTIPLY);

  textAlign(CENTER,CENTER);
  fill(255);
  textSize(32);
  if (content.length>0)
    text("\""+content[0][0]+"\"",width/5,0,width*3/5,height);

  //    fill(128);
  //    textSize(24);
  //    text(content[i][1],x+20,y+8);
  //
  //    fill(72);
  //    textSize(24);
  //    text(content[i][2],x+20,y+16);
  //    popMatrix(); 
  //  }

  //add noise
    drawRandomLines();

  //tint screen
  fill(70,45,0,80);
  rect(0,0,width,height);

  if (int(millis()/1000.0)%10==0){
    refreshTweets(twitterURL);
  }

}
void drawRandomLines(){
  stroke(255,int(random(16,64)));
  strokeWeight(int(random(1,3)));
  for (int i=0;i<10;i++){
    int x1=int(random(0,screen.width));
    int x2=x1+5*int(random(-5,5));
    line(x1,0,x2,screen.height);
  }
  boolean bCircle = (random(0,1)<0.1);
  if (bCircle){
    int x=int(random(0,screen.width));
    int y=int(random(0,screen.height));
    int r=int(random(20,60));
    stroke(255,int(random(16,32)));
    strokeWeight(int(random(2,4)));
    ellipse(x,y,r,r);
  }
}


void refreshTweets(String url){
  println("refreshing Tweets");
  XMLElement xml = new XMLElement(this, url);
  XMLElement entries[] = xml.getChildren("entry");
  content=new String[entries.length][3]; 
  println(entries.length + " tweets retrieved");
  if (entries.length>0){
//    for (int j=0;j<entries.length;j++){
//      println(entries[j].getChild("content").getContent());
//    }
    int i=0;
    String tweet = entries[i].getChild("content").getContent(); 
//    println(currentTweetTxt);
//    println(tweet);
    if (currentTweetTxt != tweet){
      println("Tweeting ["+entries[0].getChild("content").getContent()+"]");
      String name = entries[i].getChild("author/name").getContent(); 
      String published = entries[i].getChild("published").getContent(); 
      tweet = tweet.replaceAll("&amp;"  ,"&");
      tweet = tweet.replaceAll("&quot;" ,"\"");
      tweet = tweet.replaceAll("&apos;" ,"'");
      tweet = tweet.replaceAll("&#039;" ,"'");
      tweet = tweet.replaceAll("&lt;"   ,"<");
      tweet = tweet.replaceAll("&gt;"   ,">");

      tweet=tweet.replaceAll(regex1,"");
      content[i][0]=tweet;
      content[i][1]=name;
      content[i][2]=published;
      currentTweetTxt = tweet;
    } else{
      content[i][0]="";
      content[i][1]="";
      content[i][2]="";
    }
  }

}



void keyPressed(){
  refreshTweets(twitterURL);
}

float verticalTranslate(){
  //  return (20+millis()/80.0*verticalVelocity);
  return 0;
}