package cz.xelfi.feedbook;

 import com.google.code.facebookapi.FacebookException;

 import com.google.code.facebookapi.FacebookJaxbRestClient;

 import com.google.code.facebookapi.Permission;

 import com.google.code.facebookapi.schema.FriendsGetResponse;

 import com.google.code.facebookapi.schema.User;

 import com.google.code.facebookapi.schema.UsersGetInfoResponse;

 import com.sun.syndication.feed.rss.Channel;

 import com.sun.syndication.feed.rss.Item;

 import com.sun.syndication.io.WireFeedInput;

 import java.io.IOException;

 import java.net.URI;

 import java.net.URISyntaxException;

 import java.net.URL;

 import java.util.Collections;

 import java.util.List;

 import java.util.prefs.Preferences;

 import org.xml.sax.InputSource;

 public class Main {

     private static final String APP_KEY = "ecdbd5dbacc168f9edfe470ccd7e401b";

     private static final String APP_SEC = "22e3165366e958a6e049e1e0c1d30105";

     private static String login() throws IOException, FacebookException, URISyntaxException {

         FacebookJaxbRestClient login = new FacebookJaxbRestClient(APP_KEY, APP_SEC);

         final String token = login.auth_createToken();

         URI u = new URI("http://www.facebook.com/login.php?api_key=" + APP_KEY + "&auth_token=" + token);

         System.out.println("authentication: " + u);

         Runtime.getRuntime().exec("xdg-open " + u);

         //Desktop.getDesktop().browse(u);

         System.out.println("Visit the browser and press enter...");

         System.in.read();

         return login.auth_getSession(token, true); 

     }

     public static void main( String[] args) throws Exception {

         WireFeedInput rssInput = new WireFeedInput();

         URL rssUrl = new URL("http://blogs.apidesign.org/rss/");

         Channel rss = (Channel)rssInput.build(new InputSource(rssUrl.openStream()));;

         System.err.printf("stream from %s\n", rss.getUri());

         for (Object o : rss.getItems()) {

             Item item = (Item)o;

             System.err.printf("link: %s date: %s title: %s\n", item.getLink(), item.getPubDate(), item.getTitle());

         }

         Preferences prefs = Preferences.userNodeForPackage(Main.class);

         FacebookJaxbRestClient fb;

         for (;;) {

             final String stored = prefs.get("session", null);

             if (stored != null) {

                 fb = new FacebookJaxbRestClient(APP_KEY, APP_SEC, stored);

                 break;

             }

             final String session = login();

             fb = new FacebookJaxbRestClient(APP_KEY, APP_SEC, session);

             prefs.put("session", session);

             break;

         }

         Long user = fb.users_getLoggedInUser();

         final FriendsGetResponse ret = fb.friends_get(user);

         final UsersGetInfoResponse info = fb.users_getInfo(ret.getUid(), Collections.<CharSequence>singleton("last_name"));

         final List<User> arr = info.getUser();

         System.out.println("friends: " + arr.size());

         for (int i = 0; i < arr.size(); i++) {

             System.out.println("  " + i + ". = " + arr.get(i).getLastName());

         }

         String url = "http://apidesign.org";

         String cmd = "Testing new application";

         if (fb.users_hasAppPermission(Permission.SHARE_ITEM)) {

             Long ok = 1L; //fb.links_post(user, url, cmd);

             System.out.println("posted as " + ok);

         } else {

             System.out.println("No permission to share links");

         }

     }

 }