(function() {
    var jQuery;
    var self = this;
    var _load_counter = 0;
    var _required_js = [];
    var _required_css = [];

    var _opts = {
        log: false,
        /* to log messages */
        widget_version: 6.93,
        /*need to increase this when made changes in js or css to refresh browser cache*/
        jq_version: '2.2.4',
        /*required jquery version*/
        domain: '' /*site domain, this will be identify runtime and set accordingly*/
    };

    this.log = function(msg, force) {
        if (_opts.log || force) {
            console.log(msg);
        }
    };

    this.loadJS = function() {
        if (self._required_js[_load_counter]) {
            var js_src = self._required_js[_load_counter];
            self.log('Loading script : ' + js_src);
            var script = document.createElement('script');
            script.type = 'text/javascript';
            script.src = js_src;
            if (-1 == js_src.toLowerCase().indexOf(_opts.domain.toLowerCase())) {
                script.async = true;
            }
            if (script.readyState) {
                script.onreadystatechange = function() {
                    if (this.readyState == 'complete' || this.readyState == 'loaded') {
                        self.log('******Loaded script : ' + this.src);
                        _load_counter++;
                        self.loadJS();
                    }
                };
            } else {
                script.onload = function() {
                    self.log('******Loaded script : ' + this.src);
                    _load_counter++;
                    self.loadJS();
                };
            }
            document.head.appendChild(script);
        } else {
            _load_counter = 0;
            this.loadCss();
        }
    };

    this.loadCss = function() {
        if (self._required_css[_load_counter]) {
            var css_src = self._required_css[_load_counter];
            self.log('Loading style : ' + css_src);
            var style = document.createElement('link');
            style.rel = 'stylesheet';
            style.href = css_src;
            style.type = 'text/css';
            style.onload = function() {
                self.log('******Loaded style : ' + this.href);
                _load_counter++;
                self.loadCss();
            };
            var css_prepend = parseInt(document.getElementById("ibcwjs").getAttribute("data-css-prepend"));
            if (isNaN(css_prepend)) css_prepend = 0;
            if (css_prepend === null || css_prepend === 0) {
                document.head.appendChild(style);
            } else {
                var head_tag = document.getElementsByTagName('head')[0];
                head_tag.insertBefore(style, head_tag.childNodes[0]);
            }
        } else {
            _load_counter = 0;
            jQuery = window.jQuery;
            this.initApp();
        }
    };

    this.getRequiredJs = function() {
        var scripts = [];
        if (window.jQuery === undefined || window.jQuery.fn.jquery !== _opts.jq_version) {
            self.log("Required JQuery version '" + _opts.jq_version + "' not found");
            scripts.push("//ajax.googleapis.com/ajax/libs/jquery/" + _opts.jq_version + "/jquery.min.js");
        } else {
            self.log("Required JQuery version '" + _opts.jq_version + "' already present");
        }

        var url = 'https://www.ibc.travel';
        _opts.domain = url;

        scripts.push('/js/ibc.js');
        scripts.push("//maps.googleapis.com/maps/api/js?key=AIzaSyA9djRfdPcln67ZhnzpUrn9UqwGfQ4EhB8");
        scripts.push("//apis.google.com/js/client.js");
        //scripts.push("//connect.facebook.net/en_US/sdk.js");
        return scripts;
    };

    this.getRequiredCss = function() {
        var styles = [];

        styles.push(_opts.domain + "/min/?g=wcss&v=" + _opts.widget_version);
        return styles;
    };

    this.initApp = function() {
        var o_script = jQuery('#ibcwjs');
        var container = o_script.data("id");
        var hotel_id = o_script.data("hotel");
        if (!hotel_id) {
            hotel_id = 0;
        }
        var group_name = o_script.data("group");
        if (!group_name) {
            group_name = '';
        }
        var subgroup_name = o_script.data("subgroup");
        if (!subgroup_name) {
            subgroup_name = '';
        }
        var dest_dropdown = o_script.data("location-dropdown");
        if (dest_dropdown) {
            dest_dropdown = 1;
        } else {
            dest_dropdown = 0;
        }
        var destination = o_script.data("destination");
        if (!destination) {
            destination = '';
        }
        if (container) {
            container = "ibcwcontainer";
        }
        $('<div id="ibc-loader"><div class="popup-main-loader-inner blue-loader"><div id="bar_container"><div id="loader_bar" class="gold-bar">1%</div></div></div></div>').insertAfter("#" + container);
        $("<script> !function(f,b,e,v,n,t,s) {if(f.fbq)return;n=f.fbq=function(){n.callMethod? n.callMethod.apply(n,arguments):n.queue.push(arguments)}; if(!f._fbq)f._fbq=n;n.push=n;n.loaded=!0;n.version='2.0'; n.queue=[];t=b.createElement(e);t.async=!0; t.src=v;s=b.getElementsByTagName(e)[0]; s.parentNode.insertBefore(t,s)}(window,document,'script', 'https://connect.facebook.net/en_US/fbevents.js'); fbq('init', '137786556844957'); fbq('track', 'PageView'); </script> <noscript> <img height='1' width='1' src='https://www.facebook.com/tr?id=137786556844957&ev=PageView &noscript=1'/> </noscript>").appendTo(document.head);
        app._source = 'widget';
        app.createScriptDynamically('//www.paypalobjects.com/api/checkout.js');
        if (o_script.data("source")) {
            app._source = o_script.data("source");
        }
        app._redirect_ibc = 0;
        if (o_script.data("redirect-ibc")) {
            app._redirect_ibc = 1;
        }
        app._redirect_new_tab = 0;
        if (o_script.data("redirect-new-tab")) {
            app._redirect_new_tab = 1;
        }
        app._content_div_id = container;
        app._hotel_id = hotel_id;
        app._group_name = group_name;
        app._subgroup_name = subgroup_name;
        app._dest_dropdown = dest_dropdown;
        app._source_destination = destination;
        app._enable_log = _opts.log;
        app._booking_source = "widget-" + window.location.hostname.replace("www.", "");
        var site_url = window.location.href;
        // THIS CODE IS USED FOR DEEP LINK
        if (app.getURLParameterByName('skd-checkin', site_url) &&
            app.getURLParameterByName('skd-checkout', site_url) &&
            app.getURLParameterByName('skd-total-rooms', site_url) &&
            app.getURLParameterByName('adult_room1', site_url) &&
            app.getURLParameterByName('no_children', site_url)) {
            var checkin = app.getURLParameterByName('skd-checkin', site_url);
            var checkout = app.getURLParameterByName('skd-checkout', site_url);
            var no_rooms = app.getURLParameterByName('skd-total-rooms', site_url);
            var no_adults = app.getURLParameterByName('adult_room1', site_url);
            var no_child = app.getURLParameterByName('no_children', site_url);
            var default_date = $.datepicker.formatDate('M d, yy', new Date(checkin)) + ' - ' + $.datepicker.formatDate('M d, yy', new Date(checkout));
            app.setData('ibc_scheckin_out', default_date);
            app.setData('ibc_sadults', no_adults);
            app.setData('ibc_schilds', no_child);
            app.setData('ibc_srooms', no_rooms);
            app.setData('ibc_schild_ages', '');
            app._booking_source = app.getURLParameterByName('utm_source', site_url);
            app.init();
            app.getAvailability('', hotel_id, checkin, checkout, no_adults, no_child, no_rooms, '', '', 2);
        } else {
            app.init();
        }
        if (o_script.data("booking-source")) {
            app._booking_source = o_script.data("booking-source");
        }
        /* this is temporary added to log all domains which are using widget */
       
    };
    self._required_js = self.getRequiredJs();
    self._required_css = self.getRequiredCss();
    self.loadJS();
})();