{if ($hubbub && $hubbub->isMECSSO() && $hubbub->isMECSSOSessionSync() && (isset($user->getCurrentUseroid()) || $SessionSync eq 1))}
{assign var='cookieDomain' value=Crowdicity\Usersession::getCookieServerName()}

<IFRAME id="opFrame" src="{$hubbub->getOIDCOauthURL()}/checksession"
        style="width:0;height:0;border:none;display:none;" onload="synchonizeMECSession();"></IFRAME>

<script>
    var MECSessionStateCookie = getCookie('MECsessionstate');
    var updateMEC = true;
    ifvisible.setIdleDuration(60);

    // Assign handler to message event
    if ( window.addEventListener ) {
        window.addEventListener('message', handleMessage, false);
    } else if ( window.attachEvent ) { // ie8
        window.attachEvent('onmessage', handleMessage);
    }

    // message event handler (e is event object)
    function handleMessage(e) {
        // Check origin
        if ( e.origin === '{$hubbub->getMECSSOHostnameURL()}' ) {
            if (e.data === 'changed') {
                console.log('changed');
                localStorage.removeItem('MECsessionstate');
                localStorage.removeItem('TimeOfLastMECSync');
                window.location.replace("/oauth/login?prompt=none"{if $SessionSync neq 1}+"&returnTo="+btoa(window.location.href){/if});
            } else if (e.data === 'error') {
                console.log('error in handleMessage synchonizeMECSession');
                localStorage.removeItem('MECsessionstate');
                localStorage.removeItem('TimeOfLastMECSync');
                window.location.replace("/oauth/login?prompt=none"{if $SessionSync neq 1}+"&returnTo="+btoa(window.location.href){/if});
            }
        }
    }

    ifvisible.on("idle", function(){
        updateMEC = false;
    });

    ifvisible.on("wakeup", function(){
        updateMEC = true;
        //when user afk'd for more then 1 minute and comes back - immediate check
        var currentTime = new Date().getTime();
        if ((currentTime - localStorage.getItem('TimeOfLastMECSync')) >= 60000) {
            localStorage.setItem('TimeOfLastMECSync', currentTime);
            window.document.getElementById("opFrame").contentWindow
                .postMessage("medallia_crowdicity_sso " + localStorage.getItem('MECsessionstate'), "{$hubbub->getMECSSOHostnameURL()}");
        }
    });

    //synchro function that will run itself every 60 seconds
    setInterval(synchonizeMECSession, 60000);

    function synchonizeMECSession(){
        //current time
        var currentTime = new Date().getTime();

        if (MECSessionStateCookie) {
            localStorage.setItem('MECsessionstate', MECSessionStateCookie);
            localStorage.setItem('TimeOfLastMECSync', currentTime);
            document.cookie = 'MECsessionstate=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/; domain={$cookieDomain}';
            MECSessionStateCookie = false;
        }

        if ((currentTime - localStorage.getItem('TimeOfLastMECSync')) >= 60000){
            if (updateMEC) {
                localStorage.setItem('TimeOfLastMECSync', currentTime);
                window.document.getElementById("opFrame").contentWindow
                    .postMessage("medallia_crowdicity_sso " + localStorage.getItem('MECsessionstate'), "{$hubbub->getMECSSOHostnameURL()}");
            }
        }
    }
</script>
{/if}