(function($) {

  EdlpTheme = function(){

    var _$body = $('body');
    var _is_front = _$body.is('.path-frontpage');
    var _$corpus_map;
    var _$content_container = $('.layout-container>main>.layout-content');
    var _$ajaxLinks;

    function init(){
      console.log("EdlpTheme init()");
      _$body.on('corpus-map-ready', onCorpusMapReady);
      initScrollbars();
      initAjaxLinks();
    };

    //  ___             _ _ ___
    // / __| __ _ _ ___| | | _ ) __ _ _ _ ___
    // \__ \/ _| '_/ _ \ | | _ \/ _` | '_(_-<
    // |___/\__|_| \___/_|_|___/\__,_|_| /__/
    function initScrollbars(){
      console.log("initScrollbars");
      $('.os-scroll').overlayScrollbars({
        overflowBehavior:{x:'h',y:'scroll'}
      });
    };

    //    _    _
    //   /_\  (_)__ ___ __
    //  / _ \ | / _` \ \ /
    // /_/ \_\/ \__,_/_\_\
    //      |__/

    // TODO: add url hash nav
    // TODO: implement history.js
    function  initAjaxLinks(){
      console.log('initAjaxLinks');
      $('a', '#block-mainnavigation, #block-footer.menu--footer').addClass('ajax-link');

      _$ajaxLinks = $('.ajax-link')
        .each(function(i,e){
          var $this = $(this);
          var sys_path = $this.attr('data-drupal-link-system-path');
          if(sys_path){
            // convert node link to edlp_ajax_node module links
            m = sys_path.match(/^\/?(node\/\d+)$/g);
            if(m) $this.attr('data-drupal-link-system-path', 'edlp/'+m[0]);
          }
        })
        .on('click', onClickAjaxLink);
      ;
    };

    function onClickAjaxLink(e){
      e.preventDefault();
      var $link = $(this);

      if($link.is('.is-active'))
        return false;

      var sys_path = $(this).attr('data-drupal-link-system-path');
      if(sys_path == '<front>'){
        closeAllModals();
        return false;
      }

      // TODO: drupal settings not defined on NOT front page
      var path = window.location.origin + drupalSettings.basepath + sys_path +'/ajax';
      closeAllModals();
      _$body.addClass('ajax-loading');
      $link.addClass('ajax-loading');
      $.getJSON(path, {}, function(data){
        onAjaxLinkLoaded(data, $link, sys_path);
      });

      return false;
    };

    function onAjaxLinkLoaded(data, $link, sys_path){
      console.log('ajax link loaded : data', data);
      _$content_container.html(data.rendered);
      _$body.removeClass('ajax-loading');
      _$body.removeClass().addClass('path-'+sys_path);
      _$ajaxLinks.removeClass('is-active');
      $link.removeClass('ajax-loading').addClass('is-active');
      initScrollbars();
    };

    // corpus
    function onCorpusMapReady(e){
      console.log('theme : onCorpusReady');
      _$corpus_map = $('canvas#corpus-map');
      _$corpus_map.on('corpus-cliked-on-map', function(e) {
        console.log('theme : corpus-cliked-on-map');
        closeAllModals();
      });
    }

    //modals
    function closeAllModals(){
      console.log('theme : closeAllModals');
      // TODO: animate the remove
      _$content_container.html('');
      _$ajaxLinks.removeClass('is-active');
      $('a[data-drupal-link-system-path="<front>"]').addClass('is-active');

    };

    init();
  }


  $(document).ready(function($) {
    var edlptheme = new EdlpTheme();
  });


})(jQuery);