var SC_FB_API_KEY = "123612b53832de7ad0f344ffb6fd1b00";
var SC_FB_PUBLISH_TEMPLATE_ID = "101635230788";
var SC_FB_JS = "http://static.ak.connect.facebook.com/js/api_lib/v0.4/FeatureLoader.js.php";
var SC_FB_JS_SSL = "https://www.connect.facebook.com/js/api_lib/v0.4/FeatureLoader.js.php";
var SC_FB_CONNECT = "http://static.ak.connect.facebook.com/images/fbconnect/login-buttons/connect_light_medium_short.gif";
var SC_FB_CONNECT_SSL = "https://www.connect.facebook.com/images/fbconnect/login-buttons/connect_light_medium_short.gif";
var FB_STATUS_OK = "OK";
var FB_STATUS_ERROR = "Error";
var sc_fb_init_flag = false;
var sc_fb_ready_flag = false;
var sc_fb_waiting_init_handlers = new Array();

function sc_fb_init(handler)
{
    sc_fb_waiting_init_handlers.push(handler);
    if ( !sc_fb_ready_flag || !sc_is_defined("FB") )
    {
        return;
    }

    if ( !sc_fb_init_flag )
    {
        var url = "http://staging.shop.com/cfb-pcdh-x-lkg.xhtml?nodebug=1";
        var ssl_url = "https://staging-amos.shop.com/cfb-pcdh-x-lkg+66.xhtml?nodebug=1";

        sc_fb_init_flag = true;
        FB.init(SC_FB_API_KEY, sc_is_ssl() ? ssl_url : url);
    }

    function _init_handler()
    {
        for(;;)
        {
            var callback = sc_fb_waiting_init_handlers.shift();
            if ( callback )
            {
                callback();
            }
            else
            {
                break;
            }
        }
    }

    FB.ensureInit(_init_handler);
}

function sc_fb_draw_connect(expected_user_id, item_id)
{
    function _handler()
    {
        sc_internal_fb_draw_connect(expected_user_id, item_id);
        FB.XFBML.Host.parseDomTree();
    }
    sc_fb_init(_handler);
}

function sc_internal_fb_set_profile(item_id)
{
    var item = document.getElementById(item_id);
    item.innerHTML = '<fb:profile-pic uid="loggedinuser" height="25" width="25" linked="true"></fb:profile-pic>';
    item.style.cursor = "default";
    FB.XFBML.Host.parseDomTree();
}

function sc_internal_fb_draw_connect(expected_user_id, item_id)
{
    var item = document.getElementById(item_id);

    function handle_click()
    {
        sc_fb_log_and_connect(item_id);
    }

    function draw_connect_button()
    {
        var src = sc_is_ssl() ? SC_FB_CONNECT_SSL : SC_FB_CONNECT;
        item.onclick = handle_click;
        item.innerHTML = '<img src="' + src + '" width="89" height="21" alt="Link your SHOP.COM and Facebook accounts" title="Link your SHOP.COM and Facebook accounts">';
        item.style.cursor = "pointer";
    }

    function is_connected(user_id)
    {
        if ( user_id != expected_user_id )
        {
            draw_connect_button();
        }
        else
        {
            sc_internal_fb_set_profile(item_id);
        }
    }

    if ( expected_user_id.length > 0 )
    {
        FB.Connect.ifUserConnected(is_connected, draw_connect_button);
    }
    else
    {
        draw_connect_button();
    }
}

function sc_fb_prompt_for_post(data)
{
    function _handler()
    {
        var     url = "http://staging.shop.com/cfb-ppdd-x-lkg.xhtml?nodebug=1";
        var     ssl_url = "https://staging-amos.shop.com/cfb-ppdd-x-lkg+66.xhtml?nodebug=1";
        sc_make_xmlhttp(null, sc_is_ssl() ? ssl_url : url, false, null);

        FB.Connect.showFeedDialog(SC_FB_PUBLISH_TEMPLATE_ID, data, null, null, null, null, null);
    }
    sc_fb_init(_handler);
}

function sc_fb_message(status, heading, message, body)
{
    var dialog_fbml = "";
    if ( message )
    {
        var main_tag = (status == "OK") ? "success" : "error";
        dialog_fbml += "<fb:" + main_tag + ">\n";
        dialog_fbml += "<fb:message>" + message + "</fb:message>\n";
        dialog_fbml += "</fb:" + main_tag + ">\n";
    }

    if ( body )
    {
        dialog_fbml += body + "\n";
    }

    var dialog = new FB.UI.FBMLPopupDialog(heading, dialog_fbml);
    dialog.show();
}

function sc_fb_log_and_connect(item_id)
{
    var permissions = "email,publish_stream";

    function assign_handler(xmlhttp)
    {
        var response_code = sc_get_xmlhttp_response_code(xmlhttp);
        if ( (response_code != HTTP_STATUS_NO_CONTENT) && (response_code != HTTP_STATUS_NO_CONTENT_IE) )
        {
            var response = "";
            eval("response = " + xmlhttp.responseText);

            sc_fb_message(response.status, response.heading, response.message, response.body);

            if( response.status == FB_STATUS_OK )
            {
                sc_internal_fb_set_profile(item_id);
                sc_delayed_reload(2000);
            }
        }
    }

    function getinfo_handler(result)
    {
        var     url = "http://staging.shop.com/cfb-pcni-x-lkg.xhtml?nodebug=1";
        var     ssl_url = "https://staging-amos.shop.com/cfb-pcni-x-lkg+66.xhtml?nodebug=1";
        var     data = "proxied_email=" + encodeURIComponent(result[0].proxied_email);
        sc_make_xmlhttp(assign_handler, sc_is_ssl() ? ssl_url : url, true, data);
    }

    function permission_handler()
    {
        var uid = [FB.Facebook.apiClient.get_session().uid];
        var fields = ["proxied_email"];
        FB.Facebook.apiClient.users_getInfo(uid, fields, getinfo_handler);
    }

    function login_handler()
    {
        FB.Connect.showPermissionDialog(permissions, permission_handler);
    }

    FB.Connect.requireSession(login_handler, false);
}

function sc_fb_init_handler()
{
    FB.XFBML.Host.parseDomTree();
}

function sc_fb_initial_init()
{
    sc_fb_ready_flag = true;
    sc_fb_init(sc_fb_init_handler);
}

function sc_fb_disconnect(item_id)
{
    function response_handler(xmlhttp)
    {
        document.getElementById(item_id).innerHTML = xmlhttp.responseText;
        sc_delayed_reload(2000);
    }

    var     url = "http://staging.shop.com/cfb-pcni-x-lkg.xhtml?nodebug=1";
    var     ssl_url = "https://staging-amos.shop.com/cfb-prmi-x-lkg+66.xhtml?nodebug=1";
    sc_make_xmlhttp(response_handler, sc_is_ssl() ? ssl_url : url, false);
}

sc_on_load("sc_fb_initial_init();");