var icApplicationUrl = "https://secure.logmeinrescue.com/";
var bIsLiveSite = true;

// nolint
var ICLoader = null;
// Default websessionID length
var webSessionIdLength = 24;

function RescueInstantChatLoader()
{
    var msp = null;
    var mspcounter = 0;
    var windtitle = "";
    var windblinkingvar = null;

    // this was the original code for creating the iframe's src url
    // (instant chat url with everything passed as GET parameters,
    // but it may exceed 2k, so we have to create a new POST version using a dummy form)
    var createIframeSrc = function (icApplicationUrl, encodedLocation) { // {{{
        var content = icApplicationUrl + "InstantChat/HTMLEngine.aspx?";
        content += "origin=" + encodeURIComponent2(window.location.protocol + "//" + window.location.host) + "&";
        content += ((getParameter("rescuewebsessionid") != "") ? "rescuewebsessionid=" + encodeURIComponent2(getParameter("rescuewebsessionid")) + "&" : "");
        content += ICLoader.ApplicationID ? "appid=" + encodeURIComponent2(ICLoader.ApplicationID) + "&" : "";
        content += ((ICLoader.HostedCSS != null) ? "HostedCSS=" + encodeURIComponent2(ICLoader.HostedCSS) + "&" : "");
        content += ((ICLoader.HostedLanguagesForChatOnlyMode != null) ? "HostedLanguagesForChatOnlyMode=" + encodeURIComponent2(ICLoader.HostedLanguagesForChatOnlyMode) + "&" : "");
        content += ((ICLoader.HostedLanguagesForAppletMode != null) ? "HostedLanguagesForAppletMode=" + encodeURIComponent2(ICLoader.HostedLanguagesForAppletMode) + "&" : "");
        content += ((ICLoader.PageTitle != null) ? "PageTitle=" + encodeURIComponent2(ICLoader.PageTitle) + "&" : "");
        content += ((ICLoader.EntryID != null) ? "EntryID=" + encodeURIComponent2(ICLoader.EntryID) + "&" : "");    
        content += ((ICLoader.ChannelName != null) ? "ChannelName=" + encodeURIComponent2(ICLoader.ChannelName) + "&" : "");
        content += ((ICLoader.CompanyID != null) ? "CompanyID=" + encodeURIComponent2(ICLoader.CompanyID) + "&" : "");
        content += ((ICLoader.PrivateCode != null) ? "PrivateCode=" + encodeURIComponent2(ICLoader.PrivateCode) + "&" : "");
        content += ((ICLoader.Name != null) ? "name=" + encodeURIComponent2(ICLoader.Name.replace(/\r/g, "").replace(/\n/g, " ")) + "&" : "");
        content += ((ICLoader.Comment1 != null) ? "comment1=" + encodeURIComponent2(ICLoader.Comment1.replace(/\r/g, "").replace(/\n/g, " ")) + "&" : "");
        content += ((ICLoader.Comment2 != null) ? "comment2=" + encodeURIComponent2(ICLoader.Comment2.replace(/\r/g, "").replace(/\n/g, " ")) + "&" : "");
        content += ((ICLoader.Comment3 != null) ? "comment3=" + encodeURIComponent2(ICLoader.Comment3.replace(/\r/g, "").replace(/\n/g, " ")) + "&" : "");
        content += ((ICLoader.Comment4 != null) ? "comment4=" + encodeURIComponent2(ICLoader.Comment4.replace(/\r/g, "").replace(/\n/g, " ")) + "&" : "");
        content += ((ICLoader.Comment5 != null) ? "comment5=" + encodeURIComponent2(ICLoader.Comment5.replace(/\r/g, "").replace(/\n/g, " ")) + "&" : "");
        content += ((ICLoader.Tracking0 != null) ? "tracking0=" + encodeURIComponent2(ICLoader.Tracking0) + "&" : "");
        content += ((ICLoader.Language != null) ? "language=" + encodeURIComponent2(ICLoader.Language) + "&" : "");
        content += ((ICLoader.PostMessageTargetOrigin != null) ? "postMessageTargetOrigin=" + encodeURIComponent2(ICLoader.PostMessageTargetOrigin) + "&" : "");
        content += ((encodedLocation.toLowerCase().indexOf("rescuedebug=1") != -1) ? "rescuedebug=1" : "");
        content += ((encodedLocation.toLowerCase().indexOf("rescuedebug=2") != -1) ? "rescuedebug=2" : "");
        content += ((encodedLocation.toLowerCase().indexOf("rescuedebug=3") != -1) ? "rescuedebug=3" : "");
        content += "#" + encodedLocation;
        return content;
    }; // }}}

    // create a fake form and fake fields, set it to POST and set
    // the target to the iframe. This shall replace the scary jugnle seen above
    var createFakeForm = function (icApplicationUrl, encodedLocation, doPost) { // {{{
        var form, addField, formUrl, submitButton, icLoaderWhitelist, target, i, l, val;

        // remove junk from dom (since this whole code may be
        // called multiple times via "loadInstantChat")
        form = document.getElementById("PostProxyForm");
        if (form) {
            form.parentNode.removeChild(form);
        }

        // use _blank for debugging without the iframe
        target = "ic_mainframe";

        // fields to iterate through (just to be careful)
        icLoaderWhitelist = ["HostedCSS", "HostedLanguagesForChatOnlyMode",
            "HostedLanguagesForAppletMode", "PageTitle", "EntryID",
            "ChannelName", "CompanyID", "PrivateCode", "Name", "Comment1",
            "Comment2", "Comment3", "Comment4", "Comment5", "Tracking0",
            "Language", "PostMessageTargetOrigin"];

        // create an input field
        createField = function (appendTo, name, val) { // {{{
            var input = document.createElement("INPUT");
            input.setAttribute("name", name);
            input.setAttribute("value", val);
            input.setAttribute("type", "hidden");
            input.setAttribute("tabindex", -1);
            if (appendTo) {
                appendTo.appendChild(input);
            }
            return input;
        }; // }}}

        formUrl = icApplicationUrl + "InstantChat/HTMLEngine.aspx#" + encodedLocation;

        // create helper form
        form = document.createElement("FORM");
        form.setAttribute("id", "PostProxyForm");
        form.setAttribute("action", formUrl);
        form.setAttribute("method", "POST");
        form.setAttribute("target", target);
        form.setAttribute("aria-hidden", "true");
        // ------------------------------- fields {{{
        // origin
        createField(form, "origin", window.location.protocol + "//" + window.location.host);
        // rescuewebsessionid (from window.location)
        if (getParameter("rescuewebsessionid") != "") {
            createField(form, "rescuewebsessionid", getParameter("rescuewebsessionid"));
        }
        // ICLoader whitelsited properties
        for (i = 0, l = icLoaderWhitelist.length; i < l; i += 1) {
            val = ICLoader[icLoaderWhitelist[i]];
            if (val != null && val != undefined && val !== "") {
                createField(form, icLoaderWhitelist[i], val);
            }
        }
        // rescuedebug=1, rescuedebug=2, rescuedebug=3
        for (i = 1, l = 4; i < l; i += 1) {
            if (encodedLocation.indexOf("rescuedebug=" + i) > -1) {
                createField(form, "rescuedebug", i);
            }
        }
        // }}} fields -------------------------------

        // input type submit is required
        submitButton = document.createElement("INPUT");
        submitButton.setAttribute("type", "submit");
        form.appendChild(submitButton);

        // comment this section out for debugging (display none will not work!)
        // do not combine it into one style tag, ie6 won't like that
        form.style.position = "absolute";
        form.style.top = 0;
        form.style.left = 0;
        form.style.width = 0;
        form.style.height = 0;
        form.style.overflow = "hidden";
        document.body.appendChild(form); // we must append, otherwise the submit will not work

        // force posting immediately
        if (doPost) {

            // Timeout because of [RSC-61228]: Request sometimes gets stuck in pending state without timeout.
            setTimeout(function () {
                form.submit();
                form.parentNode.removeChild(form);
            }, 250);
        }
    }; // }}}

    // Start InstantChat Preloader
    this.Start = function () {

        function messageEventHandler(event) {
            if (!event.data.type || !event.data.payload) {
                return;
            }

            var type = event.data.type;
            var payload = event.data.payload;

            switch (type) {
                case 'redirectToError':
                    var redirectUrl = window.location.href;

                    if (redirectUrl.indexOf('#') > -1) {
                        redirectUrl = redirectUrl.substring(0, redirectUrl.indexOf('#')).replace('-h-a-s-m1-a2-r5-k7-', '#');
                    }

                    window.location = redirectUrl + '#' + payload;
                    break;
                default:
                    return;
            }
        }

        // IE 7 && 8 does not support addEventListener
        if (window.addEventListener) {
            window.addEventListener('message', messageEventHandler);
        } else if (window.attachEvent) {
            window.attachEvent('message', messageEventHandler);
        }

        // experimental: send using post
        var passParametersAsGET = true; // may be overridden via "ICLoader.TransferMethod"
        //if (typeof this.TransferMethod === "string" && this.TransferMethod.toLowerCase() === "post") {
        //    passParametersAsGET = false;
        //}

        // okay, experimental or not, we need this;
        // please remove legacy GET mode when you're around and nothing broke with the POST one.
        passParametersAsGET = false;

        // Reload page with rescuewebsesisonid
        if (window.location.hash.length == webSessionIdLength + 1) {
            if ((window.location + "").indexOf("rescuewebsessionid") == -1) {
                var separator = "?";
                if (window.location.search.length != 0)
                    separator = "&";
                window.location = removeBookmark(window.location + "") + separator + "rescuewebsessionid=" + window.location.hash.replace("#", "");
                return;
            }
            else {
                window.location = (window.location + "").replace("rescuewebsessionid", "rescuewebsession2id");
                return;
            }
        }
        ICLoader = this;
        // Check the obligatory parameters
        if (checkParameter(ICLoader.ICContainer, "ICContainer", true))
            return;
        if (checkParameter(ICLoader.HostedCSS, "HostedCSS", false))
            return;
        ICLoader.ICContainerDiv = document.getElementById(ICLoader.ICContainer);
        // Check the obligatory attributes
        if (ICLoader.ICContainerDiv.style.width == "") {
            alert('*** ENGINE ERROR ***\n\nMissing "style.width": "' + ICLoader.ICContainer + '"');
            return;
        }
        if (ICLoader.ICContainerDiv.style.height == "") {
            alert('*** ENGINE ERROR ***\n\nMissing "style.height": "' + ICLoader.ICContainer + '"');
            return;
        }
        // Hosted Instant Chat or not
        // iPod Touch, or any other iPod
        // iPhone
        // iPad
        // Palm Pre or Palm device with webOS
        // Android
        if (!(IsHostedInstance() || (!IsHostedInstance() && !AmIiPodTouch() && !AmIiPhone() && !AmIiPad() && !AmIPalmPre() && !AmIAndroid() && !AmIBB10()))) {
            // Generate an empty viewport
            var meta = document.createElement("meta");
            meta.name = "viewport";
            meta.id = "viewport";
            // Disallow zooming + set default viewstate (for iPhone + iPod Touch)
            meta.content = "width=334; height=434; user-scalable=0;";
            // Set default container size (for iPhone + iPod Touch)
            ICLoader.ICContainerDiv.style.width = "334px";
            ICLoader.ICContainerDiv.style.height = "434px";
            // iPhone 5
            if (AmIiPhone5()) {
                ICLoader.ICContainerDiv.style.width = "334px"; // 70% of 640
                ICLoader.ICContainerDiv.style.height = "462px"; // (70% of 1136) - safari header height
                // Disallow zooming
                meta.content = "initial-scale=0.96; user-scalable=0;";
            }
            // iPad
            if (AmIiPad()) {
                ICLoader.ICContainerDiv.style.width = "538px"; // 70% of 768
                ICLoader.ICContainerDiv.style.height = "663px"; // (70% of 1024) - safari header height
                // Disallow zooming
                meta.content = "width=device-with,  user-scalable=no";
            }
            // Palm Pre or Palm device with webOS
            if (AmIPalmPre()) {
                ICLoader.ICContainerDiv.style.width = "334px";
                ICLoader.ICContainerDiv.style.height = "480px";
                // Allow zooming
                meta.content = "width=334; height=480; user-scalable=yes;";
            }
            // Android
            if (AmIAndroid()) {
                ICLoader.ICContainerDiv.style.width = "334px"; // Default ic size
                ICLoader.ICContainerDiv.style.height = "700px";
                // Allow zooming
                meta.content = "width=334; height=700; user-scalable=yes;";
            }
            
            // BB10
            if (AmIBB10()) {
                ICLoader.ICContainerDiv.style.width = "334px"; // Default ic size
                ICLoader.ICContainerDiv.style.height = "700px";
                // Allow zooming
                meta.content = "initial-scale=1; user-scalable=0;";
            }
            // Apply viewstate
            document.getElementsByTagName("head").item(0).appendChild(meta);
        }
        if (ICLoader.PrivateCode != null)
            if (ICLoader.PrivateCode.length > 6)
                ICLoader.PrivateCode = ICLoader.PrivateCode.substring(0, 6);
        // Encode hasmark
        var encodedLocation = window.location + "";
        encodedLocation = encodedLocation.replace("#", "-h-a-s-m1-a2-r5-k7-");
        // Generate content (create innerHTML chunk)
        var content = "<i" + "f" + "r" + "a" + "m" + "e ";
        var blankSrc = icApplicationUrl + "blank.html"; // src='javascript:false' or 'about:blank' will not work
        content += "id='ic_mainframe' name='ic_mainframe' src='" + blankSrc + "'";
        content += "style='border: none; "; // start css
        content += "width: " + getLiveProperty(ICLoader.ICContainerDiv, "width") + "; ";
        content += "height: " + getLiveProperty(ICLoader.ICContainerDiv, "height") + "; ";
        content += "margin: 0px' "; // end css
        content += "scrolling='no' frameborder='0' allowtransparency='true'>";
        content += "</i" + "f" + "r" + "a" + "m" + "e>";

        // Start to communicate with Client Engine
        msp = setInterval(GetMessagesFromClientEngine, 1000);
        // Add content
        ICLoader.ICContainerDiv.innerHTML = content;
        ICLoader.ICMainFrame = document.getElementById("ic_mainframe");

        // this was the original functionality (we do it with replace, the less we have
        // an empty iframe fooling around in IE6 the better)
        if (passParametersAsGET) {
            ICLoader.ICMainFrame.setAttribute("src", createIframeSrc(icApplicationUrl, encodedLocation));
        } else {
            createFakeForm(icApplicationUrl, encodedLocation, true);
        }

        //If postMessage is supported then send a message about the onbeforeunload event to the iframe.
        //This part is needed by Chrome and Safari (Webkit based browsers). See http://code.google.com/p/chromium/issues/detail?id=97206 for details.
        //Safari Mobile does not support onunload event, so we have to use onpagehide event instead.
        if (ICLoader.ICMainFrame.contentWindow.postMessage !== undefined) {
            if (IsiOSDevice()) {
                window.addEventListener("pagehide", function (e) {
                    ICLoader.ICMainFrame.contentWindow.postMessage("unload", icApplicationUrl);
                });
            } else if (navigator.userAgent.indexOf("WebKit/") !== -1) {
                window.onunload = function () {
                    ICLoader.ICMainFrame.contentWindow.postMessage("unload", icApplicationUrl);
                };
            }  
        }
    };
    
    // Set the position of main div
    this.centralizeGUI = function()
    {
        if (ICLoader != null)
        {
            // Hosted Instant Chat or not
            // iPod Touch, or any other iPod
            // iPhone
            // iPad
            // Palm Pre or Palm device with webOS
            // Android
            if (IsHostedInstance() || (!IsHostedInstance() && !AmIiPodTouch() && !AmIiPhone() && !AmIiPad() && !AmIPalmPre() && !AmIAndroid()))
            {
                if (!document.body.offsetWidth || document.body.offsetWidth == 0)
                {
                    if ((parseInt(window.innerWidth) + 20) > parseInt(getLiveProperty(ICLoader.ICContainerDiv, "width")))
                        ICLoader.ICMainFrame.style.width = parseInt(window.innerWidth) + 20 + "px";
                }
                else
                {
                    if ((parseInt(document.body.offsetWidth) + 20) > parseInt(getLiveProperty(ICLoader.ICContainerDiv, "width")))
                    {
                        if (navigator.userAgent.indexOf("MSIE 8") != -1 || navigator.userAgent.indexOf("MSIE 9") != -1)
                            ICLoader.ICMainFrame.style.width = parseInt(document.body.offsetWidth) + 16 + "px";
                        else
                            ICLoader.ICMainFrame.style.width = parseInt(document.body.offsetWidth) + 20 + "px";
                    }
                }
                if (document.documentElement.clientHeight)
                {
                    if (parseInt(document.documentElement.clientHeight) > parseInt(getLiveProperty(ICLoader.ICContainerDiv, "height")))
                        ICLoader.ICMainFrame.style.height = parseInt(document.documentElement.clientHeight) + "px";
                }
            }
        }
    }
	
	this.Unload = function() {
        //If postMessage is supported then send a message about the onbeforeunload event to the iframe.
	    //This part is needed by Chrome and Safari (Webkit based browsers). See http://code.google.com/p/chromium/issues/detail?id=97206 for details.
	    //Safari Mobile does not support onunload event, so we have to use onpagehide event instead.
	    if (ICLoader.ICMainFrame.contentWindow.postMessage !== undefined) {
	        if (IsiOSDevice() || navigator.userAgent.indexOf("WebKit/") !== -1) {
	            ICLoader.ICMainFrame.contentWindow.postMessage("unload", icApplicationUrl);
	        } else {
	            var blankSrc = icApplicationUrl + "blank.html";
	            ICLoader.ICMainFrame.src = blankSrc;
	        }
	    }
    
        ICLoader.ICContainerDiv.style.display = "none";
        setTimeout(function () {
            ICLoader.ICContainerDiv.removeChild(ICLoader.ICMainFrame);
        }, 2000);
    };
    
    // Check the obligatory parameters
    function checkParameter(obj, name, type)
    {
        var returnValue = false;
        if (obj == null || !obj)
        {
            alert('*** ENGINE ERROR ***\n\nMissing object parameter: "' + name + '"');
            returnValue = true;
        }
        else
            if (type && !document.getElementById(obj))
            {
                alert('*** ENGINE ERROR ***\n\nMissing HTML element: "' + obj + '"');
                returnValue = true;
            }
        return returnValue;
    }
    
    // Return QueryString parameter
    function getParameter(name)
    {
        name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
        var regexS = "[\\?&]" + name + "=([^&#]*)";
        var regex = new RegExp(regexS);
        var results = regex.exec(window.location.href);
        if (results == null)
            return "";
        else
            return results[1];
    }

    // Get actual property of style attribute
    function getLiveProperty(oObject, sProperty)
    { 
        // 0px is the default value
        var sPropertyValue = "0px";
        if (oObject.currentStyle)
            sPropertyValue = oObject.currentStyle[sProperty];
        else if(window.getComputedStyle)
        {
            var oStyle = window.getComputedStyle(oObject, null);
            if (oStyle != null)
                sPropertyValue = oStyle.getPropertyValue(sProperty);
        }
        // E.g.: the return value is auto, then returns 0px, only for IE sessions
        if ((parseInt(sPropertyValue) + "").indexOf("NaN") != -1)
            sPropertyValue = "0px";
        return sPropertyValue;
    } 
    
    // Communicate with Client Engine
    function GetMessagesFromClientEngine()
    {
        mspcounter += 1;
        var tmpstr = window.location + "";
        if (tmpstr.indexOf("#") != -1)
        {
            clearInterval(msp);
            if (ICLoader.HostedErrorHandler != null)
            {
                if ((tmpstr.substring(tmpstr.indexOf("#") + 1).indexOf("-del") == -1) && (tmpstr.substring(tmpstr.indexOf("#") + 1).length != webSessionIdLength))
                {
                    ICLoader.HostedErrorHandler(tmpstr.substring(tmpstr.indexOf("#") + 1));
                    if (tmpstr.substring(tmpstr.indexOf("#") + 1).length != webSessionIdLength)
                        window.location = tmpstr + "-del";
                }
            }
        }
        if (mspcounter > 60)
            clearInterval(msp);
    }
    
    function encodeURIComponent2(inputstr)
    {
        var str = encodeURIComponent(inputstr);
        str = decodeText3(str, "%25", "%");
        str = decodeText3(str, "'", "%27");
        return str;
    }

    // Remove bookmark
    function removeBookmark(url)
    {
        if (url.indexOf("#") != -1)
            return url.substring(0, url.indexOf("#"));
        else
            return url;
    }

    function decodeText3(text, first, second)
    {
        var stext = text;
        while (stext.indexOf(first) != -1)
        {
            stext = stext.replace(first, second);
        }
        return stext;
    }
    
    this.startBlinking = function(msgText)
    {
        if (windblinkingvar == null)
            windblinkingvar = setInterval(function() { document.title = ((document.title == msgText) ? windtitle : msgText); }, 300);
    }
    
    this.endBlinking = function()
    {
        if (windblinkingvar != null)
        {
            clearInterval(windblinkingvar);
            document.title = windtitle;
            windblinkingvar = null;
        }
    }
    
    this.setWindowTitle = function(docTitle)
    {
        document.title = docTitle;
        windtitle = docTitle;
    }
    
    // Hosted Instant Chat or not
    function IsHostedInstance()
    {
        // Under internal servers
        // Under Live servers, e.g.: LIVE, BETA, Enterprise, etc.
        return !IsUnderLiveServers(window.location + "");
    }

    // Under Live servers, e.g.: LIVE, BETA, Enterprise, etc.
    function IsUnderLiveServers(sUrl)
    {
        if (sUrl.toLowerCase().indexOf("logmeinrescue") != -1)
            return true;
        else
            return false;
    }

    // Get user agent string
    function GetUserAgent() {
        if (navigator.userAgent)
            return navigator.userAgent;
        else
            return "";
    }

    function IsiOSDevice() {
        var devices = ["iphone", "ipad", "ipod"];
        for (var device in devices) {
            if (GetUserAgent().toLowerCase().indexOf(devices[device]) !== -1) {
                return true;
            }            
        }
        return false;
    }

    // iPod Touch, or any other iPod
    function AmIiPodTouch()
    {
        // Get user agent string
        if (GetUserAgent().toLowerCase().indexOf("(ipod") != -1)
            return true;
        else
            return false;
    }

    // iPhone
    function AmIiPhone()
    {
        // Get user agent string
        if (GetUserAgent().toLowerCase().indexOf("(iphone") != -1)
            return true;
        else
            return false;
    }

    // iPhone 5
    function AmIiPhone5() {
        // Get user agent string
        if ((GetUserAgent().toLowerCase().indexOf("iphone os 6_0") != -1) && (window.screen.height == 568))
            return true;
        else
            return false;
    }

    // iPad
    function AmIiPad()
    {
        // Get user agent string
        if (GetUserAgent().toLowerCase().indexOf("(ipad") != -1)
            return true;
        else
            return false;
    }

    // Android
    function AmIAndroid()
    {
        // Get user agent string
        if (GetUserAgent().toLowerCase().indexOf("android") != -1)
            return true;
        else
            return false;
    }
    
    // Android
    function AmIBB10() {
        // Get user agent string
        if (GetUserAgent().toLowerCase().indexOf("bb10") != -1)
            return true;
        else
            return false;
    }

    // Palm Pre or Palm device with webOS
    function AmIPalmPre()
    {
        // Get user agent string
        if (GetUserAgent().toLowerCase().indexOf("webos") != -1 || GetUserAgent().toLowerCase().indexOf("hpwos") != -1)
            return true;
        else
            return false;
    }

    
}