// google image search demo - November 2011 - rtwomey@u.washington.edu
// 
// google API details: 
//   http://code.google.com/apis/websearch/docs/
//
// get a google API key:
//   get an API key here http://code.google.com/apis/loader/signup.html
//
// unfortunately, the old RESTful processing API only produces JSON.
// this is a pain in the butt. so, you'll need to do some deeper data massaging. 
//
// download the json library and install in processing:
//   https://github.com/agoransson/JSON-processing
//
// (or this one // http://www.blprnt.com/processing/json.zip
// used in another example project is here (doing something with NYtimes data): 
//  http://blog.blprnt.com/blog/blprnt/processing-json-the-new-york-times

import org.json.*;
import processing.net.*;

void setup() { 
  size(800, 800); 
  background(50); 
  fill(200); 

  String apiKey = "AIzaSyACUZC3H-f2q615RqwcNlfyYPoTFjQ0jMY"; //"YOUR_KEY_HERE";
  String baseURL = "http://ajax.googleapis.com/ajax/services/search/images?";
  String terms = "Paris%20Hilton";

  String query = baseURL+"v=1.0&q="+terms+"&key="+apiKey;

  String result = join(loadStrings(query), "");
  println(result);

  // create JSON object from string and parse it
  JSONObject obj;
  boolean worked=false;

  try {
    obj = new JSONObject(result);
    //println(obj);
    //println(obj.getNames(obj));

    JSONObject responseData=obj.getJSONObject("responseData");
    //println(responseData);    
    //println(responseData.getNames(responseData));

    JSONArray results=responseData.getJSONArray("results");
    //println(results);

    for (int i=0; i<results.length(); i++) {
      JSONObject r = results.getJSONObject(i);
      print(i+" >>> ");
      //println(r);
      //println(r.getNames(r));
      println(r.getString("url"));
      String imgurl = r.getString("url");
      //println(results.get(i));

      // display me
      PImage tmp;
      tmp = loadImage(imgurl);
      image(tmp, i*200, i*200);
      
      // or store me in an array

    }
  }
  catch(Exception e) {
    e.printStackTrace();
  }
} 

void draw() {
  // and draw me later
}