(function(opts){
var head = document.getElementsByTagName('head')[0],
    query = {},
    widgets = [],
    createLoader = loader();

if (location.search) {
    var items = location.search.substring(1).split('&');
    for (var i = 0; i < items.length; i++) {
        var p = items[i].split('=');
        query[decodeURIComponent(p[0])] = decodeURIComponent(p[1]);
    }
    if ('partner' in query) {
        var date = new Date(new Date().getTime() + (60 * 1000) * 60 * 24 * 365);
        document.cookie = "_rg_partner="+query['partner']+"; path=/; expires=" + date.toUTCString();
    }
}

function load() {
    widgets = document.querySelectorAll('[data-rg-widget]');
    for (var i = 0; i < widgets.length; i++) {
        renderWidget(widgets[i]);
    }
}

if (document.readyState == 'loading') {
    document.addEventListener("DOMContentLoaded", load);
} else {
    // document.readyState is interactive or complete
    // can interact with page
    load();
}

function evalSnippets(widget) {
    var nodes = widget.querySelectorAll('script:not([src])');
    for (var i = 0; i < nodes.length; i++) {
        eval(nodes[i].innerHTML);
    }
    incStatus(widget);
}

function renderWidget(widget) {
    var name = widget.getAttribute('data-rg-widget');
    if (name in opts.except) {
        incStatus(widget, 2);
        return;
    }

    var loader = createLoader();
    widget.appendChild(loader);

    var content = document.createElement('div');
    content.style.display = 'none';
    widget.appendChild(content);

    var params = widget.getAttribute('data-params');
    if (params) {
        params = JSON.parse(params);
        for (var k in params) {
            if (!(k in query)) {
                query[k] = params[k];
            }
        }
    }

    query['r'] = '/' + name;
    var queryStr = Object.keys(query).map(function(k) {
        return k + '=' + encodeURIComponent(query[k]);
    }).join('&');

    var request = new XMLHttpRequest();
    request.open('GET', opts.sn + '?' + queryStr, true);
    request.setRequestHeader("X-Requested-With", "XMLHttpRequest");

    request.onload = function() {
        if (request.status == 200) {
            content.innerHTML = this.responseText;
            processCss(widget, loader, content);
            processJs(widget);
        }
    };
    request.send();
}

function processCss(widget, loader, content) {
    var sheets = widget.querySelectorAll('link[href][rel=stylesheet],style'),
        ready = function() {
            loader.style.display = 'none';
            content.style.display = 'block';
            incStatus(widget);
        };

    if (sheets.length) {
        var k = 0;
        for (var i = 0; i < sheets.length; i++) {
            sheets[i].onload = function() {
                if (sheets.length == ++k) {
                    ready();
                }
            }
        }
    } else {
        ready();
    }
}

function processJs(widget) {
    var scripts = widget.querySelectorAll('script[src]');
    var k = 0;

    if (scripts.length) {
        for (var i = 0; i < scripts.length; i++) {
            var script = document.createElement('script');
            script.src = scripts[i].getAttribute('src');
            script.async = false;
            script.onload = function() {
                if (scripts.length == ++k) {
                    evalSnippets(widget);
                }
            };
            head.appendChild(script);
        }
    } else {
        evalSnippets(widget);
    }
}

function incStatus(widget, step) {
    widget.status = widget.status || 0;
    widget.status += (step || 1);
}

function loader() {
    var css = 'div[data-rg-widget] {position:relative} ' +
        'div[data-rg=loader]' +
        '{width: 40px; height: 40px; background-color: #333; border-radius: 100%; -webkit-animation: sk-scaleout 1.0s infinite ease-in-out; animation: sk-scaleout 1.0s infinite ease-in-out; } ' +
        '@-webkit-keyframes sk-scaleout { 0% { -webkit-transform: scale(0) } 100% { -webkit-transform: scale(1.0); opacity: 0; } } ' +
        '@keyframes sk-scaleout { 0% { -webkit-transform: scale(0); transform: scale(0); } 100% {-webkit-transform: scale(1.0);transform: scale(1.0);opacity: 0;}}' +
        'div[data-rg-widget=form] div[data-rg=loader], ' +
        'div[data-rg-widget=preview] div[data-rg=loader], ' +
        'div[data-rg-widget=prices] div[data-rg=loader], ' +
        'div[data-rg-widget=priceCalc] div[data-rg=loader], ' +
        'div[data-rg-widget=referenceGenerator] div[data-rg=loader], ' +
        'div[data-rg-widget=terms] div[data-rg=loader] ' +
        '{position: absolute; left: 50%; top: 120px; margin-left: -20px}';

    var style = document.createElement('style');
    style.appendChild(document.createTextNode(css));
    head.appendChild(style);

    return function() {
        var element = document.createElement('div');
        element.setAttribute('data-rg', 'loader');
        return element;
    };
}

var interval = setInterval(function() {
    for (var i = 0; i < widgets.length; i++) {
        if (widgets[i].status != 2) {
            return;
        }
    }
    clearInterval(interval);
}, 100);

if (document.cookie.indexOf("_rg_labels=") == -1) {
    var currentUrl = location.pathname + location.search;
    document.cookie = "_rg_labels=" + currentUrl + "; path=/";
}
})({"sn":"/rg-middleware-proxy.php","query":[],"except":{"termsPopup":1}});