(function($) {

  EdlpTheme = function(){

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

    function init(){
      console.log("EdlpTheme init()");

      // TODO: redirect all no-front pages to front with write hash

      _$body.on('corpus-map-ready', onCorpusMapReady);
      initAudioPlayer();

      initAjaxLinks();

      if (_$body.is('.path-productions')) {
        initProductions();
      }

      initScrollbars();
    };


    //    _          _ _
    //   /_\ _  _ __| (_)___
    //  / _ \ || / _` | / _ \
    // /_/ \_\_,_\__,_|_\___/
    //
    // https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement
    // https://docs.microsoft.com/en-us/previous-versions/windows/internet-explorer/ie-developer/samples/gg589528%28v%3dvs.85%29
    // https://www.binarytides.com/using-html5-audio-element-javascript/
    //
    function initAudioPlayer(){
      _audio_player = new AudioPlayer();
    };
    function AudioPlayer(){
      var that = this;
      this.fid;
      this.audio = new Audio();
      // audio events
      this.audio_events = ["loadedmetadata","canplay","playing","pause","timeupdate","ended"];

      // UI dom objects
      this.$container   = $('<div id="audio-player">');
      // btns
      this.$btns        = $('<div>').addClass('btns').appendTo(this.$container);
      this.$previous    = $('<div>').addClass('previous').appendTo(this.$btns);
      this.$playpause   = $('<div>').addClass('play-pause').appendTo(this.$btns);
      this.$next        = $('<div>').addClass('next').appendTo(this.$btns);
      // timeline
      this.$timelinecont= $('<div>').addClass('time-line-container').appendTo(this.$container);
      this.$timeline    = $('<div>').addClass('time-line').appendTo(this.$timelinecont);
      this.$loader      = $('<div>').addClass('loader').appendTo(this.$timeline);
      this.$cursor      = $('<div>').addClass('cursor').appendTo(this.$timeline);
      // time
      this.$time        = $('<div>').addClass('time').appendTo(this.$container);
      this.$currentTime = $('<div>').addClass('current-time').html('00:00').appendTo(this.$time);
      this.$duration    = $('<div>').addClass('duration').html('00:00').appendTo(this.$time);
      // favoris
      this.$fav       = $('<div>').addClass('favoris').appendTo(this.$container);
      // cartel
      this.$cartel       = $('<div>').addClass('cartel').appendTo(this.$container);

      // hiding
      this.hideTimer = false;
      this.hideTimeMS = 10000;

      this.init();
    };
    AudioPlayer.prototype = {
      init(){
        // append ui to document
        this.$container.appendTo('header[role="banner"] .region-header');
        // record timeline width
        this.timeline_w = parseInt(this.$timeline.width());
        // init audio events
        var fn = '';
        for (var i = 0; i < this.audio_events.length; i++) {
          fn = this.audio_events[i];
          // capitalize first letter of event (only cosmetic :p )
          fn = 'on'+fn.charAt(0).toUpperCase()+fn.slice(1);
          this.audio.addEventListener(
            this.audio_events[i],
            this[fn].bind(this),
            true);
        }
        // init btns events
        this.$playpause.on('click', this.togglePlayPause.bind(this));
        // TODO: previous and next btns
      },
      openDocument(node){
        this.setSRC(node.audio_url);
        this.loadNode(node.nid);
      },
      // cartel functions
      loadNode(nid){
        this.$cartel.addClass('loading');
        $.getJSON('/edlp/ajax/json/node/'+nid+'/player_cartel', {})
          .done(this.onNodeLoaded.bind(this))
          .fail(this.onNodeLoadFail.bind(this));
      },
      onNodeLoaded(data){
        console.log('AudioPlayer node loaded', data);
        this.$cartel.html(data.rendered);
        this.$cartel.removeClass('loading');
        initAjaxLinks();
      },
      onNodeLoadFail(jqxhr, textStatus, error){
        console.warn('AudioPlayer node load failed', jqxhr.responseText);
      },
      // audio functions
      setSRC(url){
        // console.log('AudioPlayer setSRC : url', url);
        this.clearTimeOutToHide();
        this.audio.src = url;
        this.show();
      },
      onLoadedmetadata(){
        var rem = parseInt(this.audio.duration, 10),
            mins = Math.floor(rem/60,10),
            secs = rem - mins*60;
        this.$duration.html('<span>'+(mins<10 ? '0':'')+mins+':'+(secs<10 ? '0':'')+secs+'</span>');
        this.updateLoadingBar();
      },
      updateLoadingBar(){
        this.$loader.css({
          'width':parseInt((100 * this.audio.buffered.end(0) / this.audio.duration), 10)+'%'
        });
        if( this.audio.buffered.end(0) < this.audio.duration ){
          // loop through this function until file is fully loaded
          var that = this;
          window.requestAnimationFrame(that.updateLoadingBar.bind(that));
        }else{
          console.log('Audio fully loaded');
        }
      },
      onCanplay(){
        this.play();
      },
      play(){
        this.audio.play();
      },
      togglePlayPause(){
        if(this.audio.paused){
          this.audio.play();
        }else{
          this.audio.pause();
        }
      },
      onPlaying(){
        this.$container.addClass('is-playing');
      },
      onPause(){
        this.$container.removeClass('is-playing');
      },
      onTimeupdate(){
        // move cursor
        this.$cursor.css({
          'left':(this.audio.currentTime/this.audio.duration * this.timeline_w)+"px"
        });
        // update time text display
        var rem = parseInt(this.audio.currentTime, 10),
            mins = Math.floor(rem/60,10),
            secs = rem - mins*60;
        this.$currentTime.html('<span>'+(mins<10 ? '0':'')+mins+':'+(secs<10 ? '0':'')+secs+'</span>');
      },
      onEnded(){
        this.$container.removeClass('is-playing');
        this.timeOutToHide();
      },
      // global
      show(){
        this.$container.addClass('visible');
      },
      timeOutToHide(){
        this.clearTimeOutToHide();
        this.hideTimer = setTimeout(this.hide.bind(this), this.hideTimeMS);
      },
      clearTimeOutToHide(){
        if(this.hideTimer){
          clearTimeout(this.hideTimer);
        }
      },
      hide(){
        this.$container.removeClass('visible');
        // trigger highlighted node remove on corpus map
        _$corpus_canvas.trigger('audio-node-closed');
      }
    }



    //  ___             _ _ ___
    // / __| __ _ _ ___| | | _ ) __ _ _ _ ___
    // \__ \/ _| '_/ _ \ | | _ \/ _` | '_(_-<
    // |___/\__|_| \___/_|_|___/\__,_|_| /__/
    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')
        .add('a', '#block-footer.menu--footer')
        .add('a', '#block-productions')
        .add('a', 'article.node:not(.node--type-enregistrement) h2.node-title')
        .add('a', '.productions-subtree')
        .add('a', '.productions-parent')
        // .add('a.index-link, a.notice-link', '#block-edlpentreesblock')
        .addClass('ajax-link');


      _$ajaxLinks = $('.ajax-link:not(.ajax-enabled)')
        .each(function(i,e){
          var $this = $(this);
          // avoid already ajaxified links
          if($this.is('.ajax-enable')) return;
          if($this.attr('data-drupal-link-system-path')){
            $this.on('click', onClickAjaxLink).addClass('ajax-enable');
          }
        });
    };

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

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

      // Audio links
      if($link.is('.audio-link')){
        _audio_player.openDocument({
          nid:$link.attr('nid'),
          audio_url:$link.attr('audio_url')
        });
        return false;
      }

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

      // convert node link to edlp_ajax_node module links
      var node_match = ajax_path.match(/^\/?(node\/\d+)$/g);
      var term_match = ajax_path.match(/^\/?(taxonomy\/term\/\d+)$/g);
      if(node_match){
        ajax_path = 'edlp/ajax/json/'+node_match[0];
        // check for viewmode attribute
        if($link.attr('viewmode')){
          ajax_path += '/'+$link.attr('viewmode');
        }
      }else if(term_match){
        ajax_path = 'edlp/ajax/json/'+term_match[0];
        ajax_path = ajax_path.replace(/taxonomy\/term/, 'taxonomy_term');
        // check for viewmode attribute
        if($link.attr('viewmode')){
          ajax_path += '/'+$link.attr('viewmode');
        }
      }else{
        // convert other link to ajax
        ajax_path += '/ajax'
      }

      _$body.addClass('ajax-loading');
      $link.addClass('ajax-loading');

      var path = window.location.origin + drupalSettings.path.baseUrl + ajax_path;
      $.getJSON(path, {})
        .done(function(data){
          onAjaxLinkLoaded(data, $link, sys_path);
        })
        .fail(function(jqxhr, textStatus, error){
          onAjaxLinkLoadError(jqxhr, textStatus, error, $link, sys_path);
        });

      return false;
    };

    function onAjaxLinkLoadError(jqxhr, textStatus, error, $link, sys_path){
      console.warn('ajaxlink load failed for '+sys_path+' : '+error, jqxhr.responseText);
      $link.removeClass('ajax-loading');
      _$body.removeClass('ajax-loading');
    };

    function onAjaxLinkLoaded(data, $link, sys_path){
      console.log('ajax link loaded : data', data);
      _$body.removeClass('ajax-loading');

      // replace all content with newly loaded
      _$content_container.html(data.rendered);

      // add body class for currently loaded content
      var body_classes = [
        'path-'+sys_path.replace(/\//g, '-'),
        'entity-type-'+data.entity_type,
        'bundle-'+data.bundle,
        'view-mode-'+data.view_mode
      ];
      _$body.removeClass().addClass(body_classes.join(' '));

      // id node add a generic path-node class to body
      m = sys_path.match(/^\/?(node\/\d+)$/g);
      if(m)
        _$body.addClass('path-edlp-node');

      // handle clicked link classes
      _$ajaxLinks.removeClass('is-active');
      $link.removeClass('ajax-loading').addClass('is-active');

      // if block attached (eg : from edlp_productions module)
      if(typeof data.block != 'undefined'){
        // if block not already added
        if(!$('#'+data.block.id, '.region-'+data.block.region).length){
          $('.region-'+data.block.region).append(data.block.rendered);
        }
      }

      initScrollbars();

      if(sys_path == "productions")
        initProductions();

      initAjaxLinks();

    };

    //   ___
    //  / __|___ _ _ _ __ _  _ ___
    // | (__/ _ \ '_| '_ \ || (_-<
    //  \___\___/_| | .__/\_,_/__/
    //              |_|
    function onCorpusMapReady(e){
      console.log('theme : onCorpusReady');
      _$corpus_canvas = $('canvas#corpus-map');
      _$corpus_canvas
        .on('corpus-cliked-on-map', function(e) {
          console.log('theme : corpus-cliked-on-map');
          backToFrontPage();
        })
        .on('corpus-cliked-on-node', function(e) {
          console.log('theme : corpus-cliked-on-node', e);
          _audio_player.openDocument(e.target_node);
        });
    }

    //  ___             _         _   _
    // | _ \_ _ ___  __| |_  _ __| |_(_)___ _ _  ___
    // |  _/ '_/ _ \/ _` | || / _|  _| / _ \ ' \(_-<
    // |_| |_| \___/\__,_|\_,_\__|\__|_\___/_||_/__/
    function initProductions(){
      console.log('theme : initProductions');
      var $grid = $('.row', _$content_container).masonry({
        itemSelector:'.col',
        columnWidth:'.col-2'
      });

      // layout Masonry after each image loads
      $grid.imagesLoaded().progress( function() {
        $grid.masonry('layout');
      });
      // var $grid = $('.row', _$content_container).imagesLoaded( function() {
      //   // init Masonry after all images have loaded
      //   $grid.masonry({
      //     itemSelector:'.col',
      //     columnWidth:'.col-2'
      //   });
      // });
    };


    //  ___            _   ___
    // | __| _ ___ _ _| |_| _ \__ _ __ _ ___
    // | _| '_/ _ \ ' \  _|  _/ _` / _` / -_)
    // |_||_| \___/_||_\__|_| \__,_\__, \___|
    //                             |___/
    function backToFrontPage(){
      closeAllModals();
      // assume we are going back to front page
      $('body').removeClass().addClass('path-frontpage');
      $('a[data-drupal-link-system-path="<front>"]').addClass('is-active');

    }

    //  __  __         _      _
    // |  \/  |___  __| |__ _| |___
    // | |\/| / _ \/ _` / _` | (_-<
    // |_|  |_\___/\__,_\__,_|_/__/
    function closeAllModals(){
      console.log('theme : closeAllModals');
      // TODO: animate the remove
      _$content_container.html('');
      _$ajaxLinks.removeClass('is-active');
    };

    init();
  } // end EdlpTheme()

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


})(jQuery);