/*
 * The facebook_onload statement is printed out in the PHP. If the user's logged in
 * status has changed since the last page load, then refresh the page to pick up
 * the change.
 *
 * This helps enforce the concept of "single sign on", so that if a user is signed into
 * Facebook when they visit your site, they will be automatically logged in -
 * without any need to click the login button.
 *
 * @param already_logged_into_facebook  reports whether the server thinks the user
 *                                      is logged in, based on their cookies
 *
 */
window.onload = function() {
							

function facebook_onload(already_logged_into_facebook) {
  // user state is either: has a session, or does not.
  // if the state has changed, detect that and reload.
  FB.ensureInit(function() {
      FB.Facebook.get_sessionState().waitUntilReady(function(session) {
          var is_now_logged_into_facebook = session ? true : false;

          // if the new state is the same as the old (i.e., nothing changed)
          // then do nothing
          if (is_now_logged_into_facebook == already_logged_into_facebook) {
            return;
          }

          // otherwise, refresh to pick up the state change
          refresh_page();
        });
    });
}

/*
 * Our <fb:login-button> specifies this function in its onlogin attribute,
 * which is triggered after the user authenticates the app in the Connect
 * dialog and the Facebook session has been set in the cookies.
 */
function facebook_onlogin_ready() {
  // In this app, we redirect the user back to index.php. The server will read
  // the cookie and see that the user is logged in, and will deliver a new page
  // with content appropriate for a logged-in user.
  //
  // However, a more complex app could use this function to do AJAX calls
  // and/or in-place replacement of page contents to avoid a full page refresh.
  refresh_page();
}

/*
 * Do a page refresh after login state changes.
 * This is the easiest but not the only way to pick up changes.
 * If you have a small amount of Facebook-specific content on a large page,
 * then you could change it in Javascript without refresh.
 */
function refresh_page() {
  window.location = 'index.php';
}

/*
 * Prompts the user to grant a permission to the application.
 */
function facebook_prompt_permission(permission) {
  FB.ensureInit(function() {
    FB.Connect.showPermissionDialog(permission);
  });
}

function publish_js_comment(form_bundle_id, post_title, post_url) {
	document.getElementsByName("fbconnect_js_submit")[0].disabled="disabled";
	comment_text = document.getElementsByName("comment")[0].value;
	var template_data = {
		"post-title":post_title,
		"post-url":post_url,
		"post":comment_text
	};
	try {
		facebook_publish_feed_story(form_bundle_id, template_data);
	} catch(err) {
		document.getElementsByName("comment")[0].value = "";
		document.getElementById("fbconnect_result").innerHTML = "Error publishing story: " + err.description;
	}
	document.getElementsByName("comment")[0].value = "";
	document.getElementById("fbconnect_result").innerHTML = "Published story via Javascript to your profile feed!";
	document.getElementsByName("fbconnect_js_submit")[0].disabled="";
}

/*
 * Show the feed form. This would be typically called in response to the
 * onclick handler of a "Publish" button, or in the onload event after
 * the user submits a form with info that should be published.
 *
 */
function facebook_publish_feed_story(form_bundle_id, template_data) {
  // Load the feed form
  FB.ensureInit(function() {
          FB.Connect.showFeedDialog(form_bundle_id, template_data);
          //FB.Connect.showFeedDialog(form_bundle_id, template_data, null, null, FB.FeedStorySize.shortStory, FB.RequireConnect.promptConnect);
  });
}

/*
 * If a user is not connected, then the checkbox that says "Publish To Facebook"
 * is hidden in the "add run" form.
 *
 * This function detects whether the user is logged into facebook but just
 * not connected, and shows the checkbox if that's true.
 */
function facebook_show_feed_checkbox() {
  FB.ensureInit(function() {
      FB.Connect.get_status().waitUntilReady(function(status) {
          if (status != FB.ConnectState.userNotLoggedIn) {
            // If the user is currently logged into Facebook, but has not
            // authorized the app, then go ahead and show them the feed dialog + upsell
            checkbox = document.getElementById('publish_fb_checkbox');
            if (checkbox) {
              checkbox.style.visibility = "visible";
            }
          }
        });
    });
}

// SHOWS DIALOG FOR USER TO ACCEPT EXTENDED PERMISSION OR NOT
function fbc_show_status_update_permission_dialog() {
	FB.Connect.showPermissionDialog('status_update', function(accepted) { window.location.reload(); } );
}

// SHOWS DIALOG FOR USER TO ACCEPT EXTENDED PERMISSION OR NOT
function fbc_show_offline_access_permission_dialog() {
	FB.Connect.showPermissionDialog('offline_access', function(accepted) { window.location.reload(); } );
}

							
};

function loadFriends(uid) {

    FB.XFBML.Host.autoParseDomTree = false;
    // FB.XFBML.Host.addElement(new FB.XFBML.Name(document.getElementById("me")));

    // FB_RequireFeatures(["CanvasUtil"], function(){  FB.CanvasClient.startTimerToSizeToContent(); });
    var api = FB.Facebook.apiClient;
    api.fql_query("SELECT uid, first_name, last_name FROM user WHERE  uid IN (SELECT uid2 FROM friend WHERE uid1 = "+uid+") order by first_name", function(result, ex) {

        var data = '<ul class="secondaryNavi">';
        for (i=0;i<result.length;i++)
        {
            //data += "<tr><td><input type='checkbox' value='"+result[i].uid+"' name='friends[]' id = 'friend"+result[i].uid+"' /></td><td>"+ result[i].first_name + " " + result[i].last_name+"</td></tr>";
		  data += '<li>' + result[i].first_name + " " + result[i].last_name + '</li>';
        }
        data +="</ul>";
        //$('#friends').css({"overflow-y":"scroll","height":"150px","width":"300px","border":"1px solid #DDDDDD"});
        $('#friends').html( data);

    });
}

function streamCallback (post_id, exception) { 
  if(post_id) 
  { 
    // post_to_my_server(post_id); 
	notify("Facebook Notice", "Item posted to your wall");
  }
  if(exception)
  {
	notify("Facebook Notice", exception);
  }
}