/**
* @copyright Copyright (c) 2009 AITOC, Inc. 
*/
aitocfacebookopenid =
{

 action: 'login' ,

 _requestMagento: function( method , data , callback )
 {
 var ajaxUrl = aitocopenid.facebook.ajaxUrl+method;
 aitocopenid.requestMagento(ajaxUrl,data,callback);
 } ,

 logout: function()
 {
 aitocfacebookopenid.action = 'logout';
 aitocfacebookopenid.realize();
 } ,

 realize: function()
 {
 if(aitocopenid.facebook.key)
 {
 if (aitocopenid.speedup && aitocfacebookopenid.action == 'login')
 {
 aitocfacebookopenid.render();
 }
 else
 {
 FB.init(aitocopenid.facebook.key,aitocopenid.baseUrl+"xd_receiver.htm");
 FB.ensureInit(aitocfacebookopenid.performLoad);
 }
 }
 else
 {
 aitocfacebookopenid.render();
 }
 } ,
 
 launch: function()
 {
 aitocfacebookopenid.action = 'launch';
 aitocfacebookopenid.realize();
 } ,

 performLoad: function()
 {
 switch(aitocfacebookopenid.action)
 {
 case 'launch':
 aitocopenid.displayMode = 'details';
 aitocfacebookopenid._renderButton();
 try
 {
 aitocfacebookopenid.action = 'login';
 FB.Connect.requireSession(aitocfacebookopenid.performLoad);
 }
 catch (e)
 {
 aitocfacebookopenid.render();
 }
 break;
 case 'logout':
 FB.Connect.logoutAndRedirect (aitocopenid.successUrl?aitocopenid.successUrl:document.URL);
 break;
 case 'login':
 aitocfacebookopenid._requestMagento("check",null,aitocfacebookopenid.realizeCheckResponse);
 break;
 }
 } ,

 render: function()
 {
 aitocfacebookopenid._renderButton();
 aitocopenid.render();
 } ,

 realizeCheckResponse: function( response )
 {
 switch(response.responseJSON.status)
 {
 case 'registered':
 aitocopenid.gotoEditAccount();
 break;
 case 'logedin':
 aitocopenid.refreshPage(response.responseJSON.successUrl);
 break;
 case 'unknown':
 aitocfacebookopenid.render();
 break;
 case 'user':
 aitocfacebookopenid._renderButton();
 break;
 }
 } ,

 realizeUnauthorized: function()
 {
 aitocfacebookopenid._renderButton();
 } ,

 _renderButton: function()
 {
 var style = "small";
 switch (aitocopenid.displayMode)
 {
 case 'details':
 case 'normal':
 style = "medium"; 
 break;
 }
 if (aitocopenid.speedup)
 {
 var img = style == "small" ? "fb16.gif" : "fb.gif";
 img = aitocopenid.baseUrl+aitocopenid.imgUrl+img;
 var div = $("openid_facebook");
 if (div)
 {
 div.innerHTML = 
 '<img style="cursor: pointer;" onclick="return aitocfacebookopenid.speedLogin();" src="'+img+'">';
 }
 }
 else
 {
 var div = document.getElementById("openid_facebook");
 var html = '<fb:login-button onlogin="aitocfacebookopenid.realize();"';
 html += ' size="'+style+'" background="dark" length="short"></fb:login-button>';
 div.innerHTML = html;
 FB.XFBML.Host.parseDomTree();
 }
 } ,
 
 speedLogin: function()
 {
 FB.init(aitocopenid.facebook.key,aitocopenid.baseUrl+"xd_receiver.htm");
 FB.ensureInit(function()
 {
 try
 {
 aitocfacebookopenid.action = 'login';
 FB.Connect.requireSession(aitocfacebookopenid.performLoad);
 }
 catch (e)
 {
 aitocfacebookopenid.render();
 }
 });
 return false;
 }

};