// jk: this script assumes you are using the Facebook OAuth API and have already called FB.init on your site.
if(!com) var com = {};
if(!com.bigspaceship) com.bigspaceship = {};
if(!com.bigspaceship.api) com.bigspaceship.api = {};
if(!com.bigspaceship.api.facebook) com.bigspaceship.api.facebook = {};

if(!com.bigspaceship.api.facebook.OAuthBridge) {
	com.bigspaceship.api.facebook.OAuthBridge = {};
	com.bigspaceship.api.facebook.OAuthBridge._swfId = 'site';

	com.bigspaceship.api.facebook.OAuthBridge.setSwfId = function($id) {
		com.bigspaceship.api.facebook.OAuthBridge._swfId = $id;
	}

	com.bigspaceship.api.facebook.OAuthBridge.initialize = function() {
		// jk: set a timeout of a second in case getLoginStatus fails.
		com.bigspaceship.api.facebook.OAuthBridge._timer = setTimeout(function() {
			$("#" + com.bigspaceship.api.facebook.OAuthBridge._swfId)[0].handleFacebookLogout();
		},1000);
		
		/*
		FB.getLoginStatus(function(response) {
		  if (response.status === 'connected') {
			// the user is logged in and connected to your
			// app, and response.authResponse supplies
			// the user's ID, a valid access token, a signed
			// request, and the time the access token 
			// and signed request each expire
			
		  } else if (response.status === 'not_authorized') {
			// the user is logged in to Facebook, 
			//but not connected to the app
		  } else {
			// the user isn't even logged in to Facebook.
		  }
		});
		*/
		
		FB.getLoginStatus(function(response) {

			clearTimeout(com.bigspaceship.api.facebook.OAuthBridge._timer);
			com.bigspaceship.api.facebook.OAuthBridge._timer = null;
			if (response.status === 'connected') {
				// jk: there is a bug in the current getLoginStatus method Facebook JavaScript SDK -- it doesn't return permissions as expected. the best we can do is manually ask.
				var uid = response.authResponse.userID;
				var accessToken = response.authResponse.accessToken;
				FB.api({
			            method : 'fql.query',
			            query : 'SELECT status_update,photo_upload,sms,offline_access,email,create_event,rsvp_event,publish_stream,read_stream,share_item,create_note,bookmarked,tab_added FROM permissions WHERE uid=' + uid
			       },
			       function(response) {
					var scopes = [];
					for(scope in response[0]) {
						if(response[0][scope] == '1') scopes.push(scope);
					}

					$("#" + com.bigspaceship.api.facebook.OAuthBridge._swfId)[0].handleFacebookLogin(FB.getAuthResponse(),scope.join(','));
			       });
			}
			else {
				$("#" + com.bigspaceship.api.facebook.OAuthBridge._swfId)[0].handleFacebookLogout();
			}
		});
	}

	com.bigspaceship.api.facebook.OAuthBridge.login = function($opts) {
		if(!$opts) $opts = {};

		FB.login(function(response) {
			if(response.authResponse) {
				//alert(response.scope);
				$("#" + com.bigspaceship.api.facebook.OAuthBridge._swfId)[0].handleFacebookLogin(FB.getAuthResponse(),response.scope);
			} else {
				$("#" + com.bigspaceship.api.facebook.OAuthBridge._swfId)[0].handleFacebookLoginCancel();
			}
		},$opts);
	}

	com.bigspaceship.api.facebook.OAuthBridge.logout = function() {
		FB.logout(function(response) {});
		$("#" + com.bigspaceship.api.facebook.OAuthBridge._swfId)[0].handleFacebookLogout();
	}
}