//var api_key = "352075d15222c8d90af3ec39af5ddad4";//staging shock value
var api_key = "443156b3f422aefb9db9cbef28175935";

var channel_path = "fbConnect/xd_receiver.htm";

var pName = '';
var pTitle = '';
var pDesc = '';
var pImage = '';
var pLink = '';

var id = 0;

var bPermission = true;
var bCheckPermissions = true;
var bRequireSession = true;
var bPostRequested = false;
//REQUIRE SIGN IN
function fbInit()
{
    //sign in
    FB_RequireFeatures(["Connect", "Api"], function()
    {
        //initialize FB JS API with APIKey & ChannelPath
        FB.init(api_key, channel_path);
    });
}

function fbSignIn()
{
    FB.Connect.ifUserConnected(fbUserIsConnected,fbUserNotConnected);
}

function fbUserIsConnected()
{
    id = FB.Connect.get_loggedInUser();
    if (bCheckPermissions)
    {
        fbCheckPermissions();
    }   
}
//IF USER IS NOT CONNECTED
function fbUserNotConnected()
{
    //reset all vars
    bPermission = true;
    bCheckPermissions = true;
    if (bRequireSession)
    {
        FB.Connect.requireSession(null, fbCancel);        
        bRequireSession = false;
    }
}
function fbCancel()
{
    //reset all values
    bCheckPermissions = true;
    bPostRequested = false;
    bRequireSession = true;
}


function fbCheckPermissions()
{
    bCheckPermissions = false;
    FB.Facebook.apiClient.users_hasAppPermission("publish_stream", function(result)
    {
        if (result == 0 || result == 1)
        {
            if (result == 0)
            {
                //show permission dialog
                FB.Connect.showPermissionDialog("publish_stream", function(permissions)
                {
                    if (permissions == "publish_stream")
                    {
                        //approved
                        bPermission = true;
                    }
                    else
                    {
                        //cancelled
                        bPermission = false;
                    }
                    //post to wall.....
                    fbPostToWall();
                }, true, [id]);
            }
            else
            {
                //post to wall
                fbPostToWall();
            }
        }
        else
        {
            //session key invalid or no longer valid
            var bPermission = false;
            var bCheckPermissions = true;
            FB.Connect.logout(function()
            {
                //reset all vars
                bPermission = true;
                bCheckPermissions = true;
                bRequireSession = true;
                FB.Connect.forceSessionRefresh(fbPublish);
            });
        }
    });
}


function fbPublish()
{
    bCheckPermissions = true;
    fbSignIn();
}

function fbPostToWall()
{
    var attachment = null;
    if (pImage == '')
    {
        attachment =
        {
            'name': pName,
            'href': pLink,
            'caption': pTitle,
            'description': pDesc
        };
    }
    else
    {
        attachment =
        {
            'name': pName,
            'href': pLink,
            'caption': pTitle,
            'description': pDesc,
            'media':
                [{
                    'type': 'image',
                    'src': getDomain() + pImage,
                    'href': pLink
                }]
        };
    }
        if (!bPostRequested)
        {
            FB.Connect.streamPublish('', attachment, null, id, '', function(post_id, exception, id)
            {
                bPostRequested = true;

                if (post_id)
                {
                    bPostRequested = false;

                    //confirmation popup
                    var width = 800;
                    var height = 600;
                    var toppos = (window.screen.height / 2) - (height + 50) / 2; //toolbars 50px;
                    var leftpos = (window.screen.width / 2) - (width + 10) / 2; //border 2x5px;
                    var features = 'width=' + width + ',height=' + height + ',top=' + toppos + ',left=' + leftpos + ',menubar=no,resizable=yes,scrollbars=no,status=no,titlebar=no';
                    window.open('fbConnect/Default.aspx?title=' + escape(pTitle) + '&desc=' + escape(pDesc) + '&image=' + escape(pImage) + '&link=' + escape(pLink) + '&post_id=' + post_id.toString(), 'FB', features);
                }
            }, bPermission, null);
        }
}