(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()");

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

      _$body.on('corpus-map-ready', onCorpusMapReady);
      initScrollbars();
      initAjaxLinks();
      if (_$body.is('.path-productions')) {
        initProductions();
      }
      initAudioPlayer();
    };


    //    _          _ _
    //   /_\ _  _ __| (_)___
    //  / _ \ || / _` | / _ \
    // /_/ \_\_,_\__,_|_\___/
    //
    // 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","progress","canplay","timeupdate","ended"];

      // UI dom objects
      this.$container = $('<div id="audio-player">')
        .appendTo('header[role="banner"] .region-header');
      this.$timeline = $('<div>').addClass('time-line').appendTo(this.$container);
      this.$loader = $('<div>').addClass('loader').appendTo(this.$timeline);
      this.$cursor = $('<div>').addClass('cursor').appendTo(this.$timeline);
      this.$duration = $('<div>').addClass('duration').appendTo(this.$container);
      this.$currentTime = $('<div>').addClass('current-time').appendTo(this.$container);

      if (typeof AudioPlayer.initialized == "undefined") {

        AudioPlayer.prototype.init = function(){
          // 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);
          }
        };

        AudioPlayer.prototype.loadSound = function(url){
          console.log('AudioPlayer loadSound : url', url);
          this.audio.src = url;
          // this.play();
        };

        AudioPlayer.prototype.play = function(){
          console.log('AudioPlayer play()');
          this.audio.play();
        };

        AudioPlayer.prototype.onLoadedmetadata = function(){
          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>');
        };

        AudioPlayer.prototype.onProgress = function(){
          // var myBuffered = this.audio.buffered;
          // var mySeekable = this.audio.seekable;
          if( this.audio.buffered.length ){
            // var fromPercent = this.fromPercent;
            // var value = percentLoad - fromPercent;
            // if( value<0 ) value = 0;
            // this.$loadingBar.css({width: value + '%',marginLeft:fromPercent + '%'});
            this.$loader.css({
              'width':parseInt(((this.audio.buffered.end(0) / this.audio.duration) * 100), 10)+'%'
            });
          }
        };

        AudioPlayer.prototype.onCanplay = function(){
          this.play();
        };

        AudioPlayer.prototype.onTimeupdate = function(){
          // console.log('Audio update()', this.audio.currentTime);

          this.$cursor.css({
            'left':(this.audio.currentTime/this.audio.duration * 50)+"px"
          });

          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>');
        };

        AudioPlayer.prototype.onEnded = function(){
          console.log('AudioPlayer onEnded');
        };

        AudioPlayer.initialized = true;
        this.init();
      }
    };

    //  ___             _ _ ___
    // / __| __ _ _ ___| | | _ ) __ _ _ _ ___
    // \__ \/ _| '_/ _ \ | | _ \/ _` | '_(_-<
    // |___/\__|_| \___/_|_|___/\__,_|_| /__/
    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, #block-productions, article.node h2.node-title, .productions-subtree, .productions-parent').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;

          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]);
          }
          $this.on('click', onClickAjaxLink).addClass('ajax-enable');
        })

      ;
    };

    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>'){
        backToFrontPage();
        return false;
      }

      var path = window.location.origin + drupalSettings.path.baseUrl + sys_path;
      _$body.addClass('ajax-loading');
      $link.addClass('ajax-loading');
      // $.getJSON(path, {}, function(data){
      //   onAjaxLinkLoaded(data, $link, sys_path);
      // });
      $.getJSON(path+'/ajax', {})
        .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', 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
      _$body.removeClass().addClass('path-'+sys_path.replace(/\//g, '-'));
      // id node add a generic path-node class to body
      m = sys_path.match(/^\/?(edlp\/node\/\d+)$/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_map = $('canvas#corpus-map');
      _$corpus_map
        .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.loadSound(e.target_node.audio_url);
        });
    }

    //  ___             _         _   _
    // | _ \_ _ ___  __| |_  _ __| |_(_)___ _ _  ___
    // |  _/ '_/ _ \/ _` | || / _|  _| / _ \ ' \(_-<
    // |_| |_| \___/\__,_|\_,_\__|\__|_\___/_||_/__/
    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);