/*
  +---------------------------------------------------------------------------+
  | Facebook Development Platform Java Client                                 |
  +---------------------------------------------------------------------------+
  | Copyright (c) 2007 Facebook, Inc.                                         |
  | All rights reserved.                                                      |
  |                                                                           |
  | Redistribution and use in source and binary forms, with or without        |
  | modification, are permitted provided that the following conditions        |
  | are met:                                                                  |
  |                                                                           |
  | 1. Redistributions of source code must retain the above copyright         |
  |    notice, this list of conditions and the following disclaimer.          |
  | 2. Redistributions in binary form must reproduce the above copyright      |
  |    notice, this list of conditions and the following disclaimer in the    |
  |    documentation and/or other materials provided with the distribution.   |
  |                                                                           |
  | THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR      |
  | IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
  | OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.   |
  | IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,          |
  | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT  |
  | NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
  | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY     |
  | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT       |
  | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF  |
  | THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.         |
  +---------------------------------------------------------------------------+
  | For help with this library, contact developers-help@facebook.com          |
  +---------------------------------------------------------------------------+
 */

package com.facebook.api;

import edu.stanford.ejalbert.BrowserLauncher;

import java.io.FileInputStream;

import java.util.Properties;

import org.w3c.dom.Document;

public class ExampleClient {
  public static final String CONFIG_FILE = "settings.conf";
  public static final String REPLACE_MESSAGE = 
    "Please enter both your API key and secret in the " + CONFIG_FILE +
    " configuration file. Your API key and secret can be found at " + 
    "http://developers.facebook.com/account.php";

  /**
   * Test main method, just try to get an auth token, which doesn't require a
   * web browser for the user to log in or anything.
   */
  public static void main(String[] args) throws Exception {
    FileInputStream fis = new FileInputStream(CONFIG_FILE);
    Properties props = new Properties();
    props.load(fis);

    String api_key = props.getProperty("api_key");
    String secret = props.getProperty("secret");
    if ("<your_api_key>".equals(api_key) || "<your_secret>".equals(secret)) {
      System.out.println( REPLACE_MESSAGE );
    }

    FacebookRestClient client =
      new FacebookRestClient(props.getProperty("api_key"), props.getProperty("secret"));
    String desktop = props.getProperty("desktop");
    if (null != desktop && !"0".equals(desktop))
      client.setIsDesktop(true);

    // uncomment the line below to get details of each request and respnse
    // printed to System.out.
    //  client.setDebug(true);

    String auth = client.auth_createToken();
    BrowserLauncher browserLauncher = new BrowserLauncher(null);
    browserLauncher.openURLinBrowser(props.getProperty("login_url") + "&api_key=" +
                                     props.getProperty("api_key") + "&auth_token=" + auth);
    System.out.println("hit enter after you have logged into FB");
    System.in.read();
    // Thread.sleep(5000); // in ms

    client.auth_getSession(auth);
    Document d = client.friends_get();
    FacebookRestClient.printDom(d, "  ");
  }
}