(function (Drupal) {
  'use strict';

  Drupal.behaviors.bu = {
    attach: function attach(context, settings) {
      if (context == document) {
        if(typeof settings.bu.hooked === 'undefined'){
          window.$buoop = {
            notify: {
              i: settings.bu.notify_ie,
              f: settings.bu.notify_firefox,
              o: settings.bu.notify_opera,
              s: settings.bu.notify_safari,
              c: settings.bu.notify_chrome,
            },
            insecure: settings.bu.insecure,
            unsupported: settings.bu.unsupported,
            mobile: settings.bu.mobile,
            style: settings.bu.position,
            text: settings.bu.text_override,
            reminder: settings.bu.reminder,
            reminderClosed: settings.bu.reminder_closed,
            test: settings.bu.test_mode,
            newwindow: settings.bu.new_window,
            url: settings.bu.url,
            noclose: settings.bu.no_close,
            jsshowurl: settings.bu.show_source,
            api: 5
          };
          var e = document.createElement("script");
          e.setAttribute("type", "text/javascript");
          e.src = settings.bu.source;
          document.body.appendChild(e);
          settings.bu.hooked = true;
        }
      }
    }
  };
})(Drupal);