var fbAfterLoginControlId = '';
var fbAfterLogoutControlId = '';
var fbRedirectTo = '';

$(document).ready(function () {
	
    var e = document.createElement('script');
    e.src = document.location.protocol + '//connect.facebook.net/en_US/all.js';
    e.async = true;
    document.getElementById('fb-root').appendChild(e);
	
	var butt = $('div.facebookOffline a:first');
	if (butt.length > 0)
	{
	 	var dirty = butt.attr('href');
		fbRedirectTo = dirty.split('"').join('\'');
		fbRedirectTo = fbRedirectTo.split('javascript:').join('');
		
		butt.attr('href', '#');
	}	
		
});

window.fbAsyncInit = function () {
    var appId = document.getElementById("FBAPPID").innerHTML;
	FB._https = (window.location.protocol == "https:");    	
	
    FB.init({
        appId: appId,
        status: true,
        cookie: true,
        xfbml: true
    });
	
    // hack for https problems
    if (document.location.protocol == 'https:' && !!FB && !!FB._domain && !!FB._domain.staticfb) {
        FB._domain.staticfb = FB._domain.staticfb.replace('http://static.ak.facebook.com/', 'https://s-static.ak.fbcdn.net/');
    }
    
    FB.Canvas.setAutoResize();
	FB.Canvas.scrollTo(0,0);

    FB.Event.subscribe('auth.login', function (response) {
        if (response.status === 'connected') {
			facebookOnline();
            facebookRegister();
        }
    });

    FB.Event.subscribe('auth.logout', function (response) {
        facebookOffline();
    });

    FB.getLoginStatus(function (response) {

        if (response.status === 'connected') {
            facebookOnline();
            facebookRegister();
        } else if (response.status === 'not_authorized') {
            // the user is logged in to Facebook, but not connected to the app
            facebookOffline();
        } else {
            // the user isn't even logged in to Facebook.
            facebookOffline();
        }
    });
	
};

function facebookOnline() {
    $(".facebookOffline").hide();
    $(".facebookOnline").show();
    $('#btnFBlogin').hide();

    FB.api('/me', function (response) {
        var facebookId = response.id;
        var email = response.email;

        if (!isLoggedIn) {
            if (facebookIdExits(facebookId, email)) {
                if (fbAfterLoginControlId.length > 0) {
					
                    //eval($("#" + fbAfterLoginControlId).attr('href').replace('javascript:', ''));
					var fbItem = $("#" + fbAfterLoginControlId);
					
					//eval(fbItem.attr('href').replace('javascript:', ''));
					eval(fbRedirectTo);
					
                    fbAfterLoginControlId = '';
                }
                else {
                    window.location = "/handlers/facebookLogin.ashx";
                }
            } else {
                $(".loginErrorFacebook").show();
            }
        }
    });
}

function facebookOffline() {
    $(".facebookOffline").show();
    $(".facebookOnline").hide();

    if (isLoggedIn && currentFacebookId) {
        if (fbAfterLogoutControlId.length > 0) {
            eval($("#" + fbAfterLogoutControlId).attr('href').replace('javascript:', ''));
            fbAfterLogoutControlId = '';
        }
        else {
            window.location = "/handlers/logout.ashx";
        }
    }
}

function facebookRegister() {
    FB.api('/me', function (response) {
        if (!isLoggedIn) {
            // Facebook radionbutton set to false
            if ($("#Register .useFacebookCheck input:radio:checked").val() == '0') {
                $('#Register .initials .input .textbox').val('');
                $('#Register .firstname .input .textbox').val('');
                $('#Register .lastname .input .textbox').val('');
                $('#Register .username .input .textbox').val('');
                $('#Register .email .input .textbox').val('');

                $('#Register .password').show();
                $('#Register .repeatPassword').show();
                $('#Register .password .input .textbox').val('');
                $('#Register .repeatPassword .input .textbox').val('');
                return;
            }

            $('#Register .initials .input .textbox').val(response.first_name.substring(0, 1));
            $('#Register .firstname .input .textbox').val(response.fist_name);
            $('#Register .lastname .input .textbox').val(response.last_name);
            $('#Register .username .input .textbox').val(response.email);
            $('#Register .email .input .textbox').val(response.email);
            fbHandleBirthday(response.birthday);

            // Fill in password
            $('#Register .password').hide();
            $('#Register .repeatPassword').hide();
            $('#Register .password .input .textbox').val(response.id);
            $('#Register .repeatPassword .input .textbox').val(response.id);
        }
    });
}

function facebookIdExits(facebookId, email) {
    var result = false;
    if (facebookId) {
        $.ajax({
            type: "POST",
            contentType: "application/json; charset=utf-8",
            url: currentPageSubsiteUrl + "/Webservices/User.asmx/FacebookIdExists",
            dataType: "json",
            async: false,
            data: '{"facebookid":"' + facebookId + '", "email":"'+ email + '"}',
            error: function (objXMLHttpRequest, textStatus, errorThrown) { debugger; },
            success: function (data) {
                result = data.d;
            }
        });
    }
    return result;
}

function fbHandleBirthday(birthday) {
    if (!birthday) { return; }
    var splitBirthday = birthday.split("/");

    if (parseInt(splitBirthday[0], 10) < 13) {  // MONTH
        $('.age.input .standard.month').val(parseInt(splitBirthday[0], 10));
    }
    if (parseInt(splitBirthday[1], 10) < 32) {    // DAY
        $('.age.input .standard.day').val(parseInt(splitBirthday[1], 10));
    }
    if (splitBirthday[2]) { // YEAR
        if (parseInt(splitBirthday[2], 10) > 1900) {
            $('.age.input .standard.year').val(parseInt(splitBirthday[2], 10));
        }
    }
}

function facebookLogoff(controlId) {
    if (!currentFacebookId) {
        return true;
    }

    fbAfterLogoutControlId = controlId;

    FB.logout();
    return false;
}

function facebookLogin(controlId) {
    fbAfterLoginControlId = controlId;

    FB.login(function (response) {
        if (response.authResponse) {
            return true;
        }
        else {
            return false;
        }
    }, {
        scope: 'email,user_birthday,publish_stream'
    });  
	
    return false;
}