var findEventHandlers = function (eventType, jqSelector) {
    var results = [];
    var $ = jQuery;// to avoid conflict between others frameworks like Mootools

    var arrayIntersection = function (array1, array2) {
        return $(array1).filter(function (index, element) {
            return $.inArray(element, $(array2)) !== -1;
        });
    };

    var haveCommonElements = function (array1, array2) {
        return arrayIntersection(array1, array2).length !== 0;
    };


    var addEventHandlerInfo = function (element, event, $elementsCovered) {
        var extendedEvent = event;
        if ($elementsCovered !== void 0 && $elementsCovered !== null) {
            $.extend(extendedEvent, { targets: $elementsCovered.toArray() });
        }
        var eventInfo;
        var eventsInfo = $.grep(results, function (evInfo, index) {
            return element === evInfo.element;
        });

        if (eventsInfo.length === 0) {
            eventInfo = {
                element: element,
                events: [extendedEvent]
            };
            results.push(eventInfo);
        } else {
            eventInfo = eventsInfo[0];
            eventInfo.events.push(extendedEvent);
        }
    };


    var $elementsToWatch = $(jqSelector);
    if (jqSelector === "*")//* does not include document and we might be interested in handlers registered there
        $elementsToWatch = $elementsToWatch.add(document);
    var $allElements = $("*").add(document);

    $.each($allElements, function (elementIndex, element) {
        var allElementEvents = $._data(element, "events");
        if (allElementEvents !== void 0 && allElementEvents[eventType] !== void 0) {
            var eventContainer = allElementEvents[eventType];
            $.each(eventContainer, function(eventIndex, event){
                var isDelegateEvent = event.selector !== void 0 && event.selector !== null;
                var $elementsCovered;
                if (isDelegateEvent) {
                    $elementsCovered = $(event.selector, element); //only look at children of the element, since those are the only ones the handler covers
                } else {
                    $elementsCovered = $(element); //just itself
                }
                if (haveCommonElements($elementsCovered, $elementsToWatch)) {
                    addEventHandlerInfo(element, event, $elementsCovered);
                }
            });
        }
    });

    return results;
};

window.top.addEventListener('popstate', function(event) {
    if(!!event.state) window.location = event.state;
});
$(document).ready(function() {
    window.top.history.replaceState(window.location.pathname, null, '/mc' + window.location.pathname);
    $(document).on('click', '.stag_rhs_toggle', function() {
        var state = window.top.toggleRHS(), icon = $(this).find('i');
        if(state === 'collapsed') {
            icon.removeClass().addClass('fa fa-arrow-left');
        }
        else {
            icon.removeClass().addClass('fa fa-arrow-right');
        }
    });
    var body = $(window.top.document.body), icon = $('.stag_rhs_toggle i');
    if(body.is('.stag_rhs_collapsed')) {
        icon.removeClass().addClass('fa fa-arrow-left');
    }

    initFastLoad();
});
function initFastLoad(_parent = false) {

    var allAs = $('a:not([onclick]):not([href="#"]):visible');
    if(_parent) {
        allAs = _parent.find('a:not([onclick]):not([href="#"]):visible');
    }
    // find links without event handlers
    allAs.each(function() {
        if(!$(this).closest('[moe]').length) {
            var handlers = findEventHandlers('click', this);
            if(!handlers || !handlers.length) {
                enableFastLoad(this);
            }
        }
    });

    function enableFastLoad(_a) {
        var targetParent = $('.stag-content');
        $(_a).on('click', function() {
            $.get(_a.href, function(_data) {
                _data = '<div>' + _data + '</div>';
                var content = $(_data).find('.stag-content');
                if(content) {
                    content = content.html();
                    console.log(content);
                    targetParent.html(content);
                    initFastLoad(targetParent);
                }
                else {
                    console.warn('Target page not found: ' + this.href);
                }
            });
            return false;
        });
        console.info('FastLoad enabled for ' + _a.innerText + ' [' + _a.href + ']');
    }
}
function openInRHS(_url) {
    window.top.showRHS();
    var icon = $('.stag_rhs_toggle i');
    icon.removeClass().addClass('fa fa-arrow-right');
    window.top.openInRHS(_url);
    return false;
}