(function ($) {
  drupal.viewsslideshow = drupal.viewsslideshow || {};

  /**
   * views slideshow controls
   */
  drupal.viewsslideshowcontrols = drupal.viewsslideshowcontrols || {};

  /**
   * implement the play hook for controls.
   */
  drupal.viewsslideshowcontrols.play = function (options) {
    // route the control call to the correct control type.
    // need to use try catch so we don't have to check to make sure every part
    // of the object is defined.
    try {
      if (typeof drupal.settings.viewsslideshowcontrols[options.slideshowid].top.type != "undefined" && typeof drupal[drupal.settings.viewsslideshowcontrols[options.slideshowid].top.type].play == 'function') {
        drupal[drupal.settings.viewsslideshowcontrols[options.slideshowid].top.type].play(options);
      }
    }
    catch(err) {
      // don't need to do anything on error.
    }

    try {
      if (typeof drupal.settings.viewsslideshowcontrols[options.slideshowid].bottom.type != "undefined" && typeof drupal[drupal.settings.viewsslideshowcontrols[options.slideshowid].bottom.type].play == 'function') {
        drupal[drupal.settings.viewsslideshowcontrols[options.slideshowid].bottom.type].play(options);
      }
    }
    catch(err) {
      // don't need to do anything on error.
    }
  };

  /**
   * implement the pause hook for controls.
   */
  drupal.viewsslideshowcontrols.pause = function (options) {
    // route the control call to the correct control type.
    // need to use try catch so we don't have to check to make sure every part
    // of the object is defined.
    try {
      if (typeof drupal.settings.viewsslideshowcontrols[options.slideshowid].top.type != "undefined" && typeof drupal[drupal.settings.viewsslideshowcontrols[options.slideshowid].top.type].pause == 'function') {
        drupal[drupal.settings.viewsslideshowcontrols[options.slideshowid].top.type].pause(options);
      }
    }
    catch(err) {
      // don't need to do anything on error.
    }

    try {
      if (typeof drupal.settings.viewsslideshowcontrols[options.slideshowid].bottom.type != "undefined" && typeof drupal[drupal.settings.viewsslideshowcontrols[options.slideshowid].bottom.type].pause == 'function') {
        drupal[drupal.settings.viewsslideshowcontrols[options.slideshowid].bottom.type].pause(options);
      }
    }
    catch(err) {
      // don't need to do anything on error.
    }
  };


  /**
   * views slideshow text controls
   */

  // add views slieshow api calls for views slideshow text controls.
  drupal.behaviors.viewsslideshowcontrolstext = {
    attach: function (context) {

      // process previous link
      $('.views_slideshow_controls_text_previous:not(.views-slideshow-controls-text-previous-processed)', context).addclass('views-slideshow-controls-text-previous-processed').each(function() {
        var uniqueid = $(this).attr('id').replace('views_slideshow_controls_text_previous_', '');
        $(this).click(function() {
          drupal.viewsslideshow.action({ "action": 'previousslide', "slideshowid": uniqueid });
          return false;
        });
      });

      // process next link
      $('.views_slideshow_controls_text_next:not(.views-slideshow-controls-text-next-processed)', context).addclass('views-slideshow-controls-text-next-processed').each(function() {
        var uniqueid = $(this).attr('id').replace('views_slideshow_controls_text_next_', '');
        $(this).click(function() {
          drupal.viewsslideshow.action({ "action": 'nextslide', "slideshowid": uniqueid });
          return false;
        });
      });

      // process pause link
      $('.views_slideshow_controls_text_pause:not(.views-slideshow-controls-text-pause-processed)', context).addclass('views-slideshow-controls-text-pause-processed').each(function() {
        var uniqueid = $(this).attr('id').replace('views_slideshow_controls_text_pause_', '');
        $(this).click(function() {
          if (drupal.settings.viewsslideshow[uniqueid].paused) {
            drupal.viewsslideshow.action({ "action": 'play', "slideshowid": uniqueid, "force": true });
          }
          else {
            drupal.viewsslideshow.action({ "action": 'pause', "slideshowid": uniqueid, "force": true });
          }
          return false;
        });
      });
    }
  };

  drupal.viewsslideshowcontrolstext = drupal.viewsslideshowcontrolstext || {};

  /**
   * implement the pause hook for text controls.
   */
  drupal.viewsslideshowcontrolstext.pause = function (options) {
    var pausetext = drupal.theme.prototype['viewsslideshowcontrolspause'] ? drupal.theme('viewsslideshowcontrolspause') : '';
    $('#views_slideshow_controls_text_pause_' + options.slideshowid + ' a').text(pausetext);
    $('#views_slideshow_controls_text_pause_' + options.slideshowid).removeclass('views-slideshow-controls-text-status-play');
    $('#views_slideshow_controls_text_pause_' + options.slideshowid).addclass('views-slideshow-controls-text-status-pause');
  };

  /**
   * implement the play hook for text controls.
   */
  drupal.viewsslideshowcontrolstext.play = function (options) {
    var playtext = drupal.theme.prototype['viewsslideshowcontrolsplay'] ? drupal.theme('viewsslideshowcontrolsplay') : '';
    $('#views_slideshow_controls_text_pause_' + options.slideshowid + ' a').text(playtext);
    $('#views_slideshow_controls_text_pause_' + options.slideshowid).removeclass('views-slideshow-controls-text-status-pause');
    $('#views_slideshow_controls_text_pause_' + options.slideshowid).addclass('views-slideshow-controls-text-status-play');
  };

  // theme the resume control.
  drupal.theme.prototype.viewsslideshowcontrolspause = function () {
    return drupal.t('resume');
  };

  // theme the pause control.
  drupal.theme.prototype.viewsslideshowcontrolsplay = function () {
    return drupal.t('pause');
  };

  /**
   * views slideshow pager
   */
  drupal.viewsslideshowpager = drupal.viewsslideshowpager || {};

  /**
   * implement the transitionbegin hook for pagers.
   */
  drupal.viewsslideshowpager.transitionbegin = function (options) {
    // route the pager call to the correct pager type.
    // need to use try catch so we don't have to check to make sure every part
    // of the object is defined.
    try {
      if (typeof drupal.settings.viewsslideshowpager != "undefined" && typeof drupal.settings.viewsslideshowpager[options.slideshowid].top.type != "undefined" && typeof drupal[drupal.settings.viewsslideshowpager[options.slideshowid].top.type].transitionbegin == 'function') {
        drupal[drupal.settings.viewsslideshowpager[options.slideshowid].top.type].transitionbegin(options);
      }
    }
    catch(err) {
      // don't need to do anything on error.
    }

    try {
      if (typeof drupal.settings.viewsslideshowpager != "undefined" && typeof drupal.settings.viewsslideshowpager[options.slideshowid].bottom.type != "undefined" && typeof drupal[drupal.settings.viewsslideshowpager[options.slideshowid].bottom.type].transitionbegin == 'function') {
        drupal[drupal.settings.viewsslideshowpager[options.slideshowid].bottom.type].transitionbegin(options);
      }
    }
    catch(err) {
      // don't need to do anything on error.
    }
  };

  /**
   * implement the gotoslide hook for pagers.
   */
  drupal.viewsslideshowpager.gotoslide = function (options) {
    // route the pager call to the correct pager type.
    // need to use try catch so we don't have to check to make sure every part
    // of the object is defined.
    try {
      if (typeof drupal.settings.viewsslideshowpager[options.slideshowid].top.type != "undefined" && typeof drupal[drupal.settings.viewsslideshowpager[options.slideshowid].top.type].gotoslide == 'function') {
        drupal[drupal.settings.viewsslideshowpager[options.slideshowid].top.type].gotoslide(options);
      }
    }
    catch(err) {
      // don't need to do anything on error.
    }

    try {
      if (typeof drupal.settings.viewsslideshowpager[options.slideshowid].bottom.type != "undefined" && typeof drupal[drupal.settings.viewsslideshowpager[options.slideshowid].bottom.type].gotoslide == 'function') {
        drupal[drupal.settings.viewsslideshowpager[options.slideshowid].bottom.type].gotoslide(options);
      }
    }
    catch(err) {
      // don't need to do anything on error.
    }
  };

  /**
   * implement the previousslide hook for pagers.
   */
  drupal.viewsslideshowpager.previousslide = function (options) {
    // route the pager call to the correct pager type.
    // need to use try catch so we don't have to check to make sure every part
    // of the object is defined.
    try {
      if (typeof drupal.settings.viewsslideshowpager[options.slideshowid].top.type != "undefined" && typeof drupal[drupal.settings.viewsslideshowpager[options.slideshowid].top.type].previousslide == 'function') {
        drupal[drupal.settings.viewsslideshowpager[options.slideshowid].top.type].previousslide(options);
      }
    }
    catch(err) {
      // don't need to do anything on error.
    }

    try {
      if (typeof drupal.settings.viewsslideshowpager[options.slideshowid].bottom.type != "undefined" && typeof drupal[drupal.settings.viewsslideshowpager[options.slideshowid].bottom.type].previousslide == 'function') {
        drupal[drupal.settings.viewsslideshowpager[options.slideshowid].bottom.type].previousslide(options);
      }
    }
    catch(err) {
      // don't need to do anything on error.
    }
  };

  /**
   * implement the nextslide hook for pagers.
   */
  drupal.viewsslideshowpager.nextslide = function (options) {
    // route the pager call to the correct pager type.
    // need to use try catch so we don't have to check to make sure every part
    // of the object is defined.
    try {
      if (typeof drupal.settings.viewsslideshowpager[options.slideshowid].top.type != "undefined" && typeof drupal[drupal.settings.viewsslideshowpager[options.slideshowid].top.type].nextslide == 'function') {
        drupal[drupal.settings.viewsslideshowpager[options.slideshowid].top.type].nextslide(options);
      }
    }
    catch(err) {
      // don't need to do anything on error.
    }

    try {
      if (typeof drupal.settings.viewsslideshowpager[options.slideshowid].bottom.type != "undefined" && typeof drupal[drupal.settings.viewsslideshowpager[options.slideshowid].bottom.type].nextslide == 'function') {
        drupal[drupal.settings.viewsslideshowpager[options.slideshowid].bottom.type].nextslide(options);
      }
    }
    catch(err) {
      // don't need to do anything on error.
    }
  };


  /**
   * views slideshow pager fields
   */

  // add views slieshow api calls for views slideshow pager fields.
  drupal.behaviors.viewsslideshowpagerfields = {
    attach: function (context) {
      // process pause on hover.
      $('.views_slideshow_pager_field:not(.views-slideshow-pager-field-processed)', context).addclass('views-slideshow-pager-field-processed').each(function() {
        // parse out the location and unique id from the full id.
        var pagerinfo = $(this).attr('id').split('_');
        var location = pagerinfo[2];
        pagerinfo.splice(0, 3);
        var uniqueid = pagerinfo.join('_');

        // add the activate and pause on pager hover event to each pager item.
        if (drupal.settings.viewsslideshowpagerfields[uniqueid][location].activatepauseonhover) {
          $(this).children().each(function(index, pageritem) {
            var mousein = function() {
              drupal.viewsslideshow.action({ "action": 'gotoslide', "slideshowid": uniqueid, "slidenum": index });
              drupal.viewsslideshow.action({ "action": 'pause', "slideshowid": uniqueid });
            };

            var mouseout = function() {
              drupal.viewsslideshow.action({ "action": 'play', "slideshowid": uniqueid });
            };

            if (jquery.fn.hoverintent) {
              $(pageritem).hoverintent(mousein, mouseout);
            }
            else {
              $(pageritem).hover(mousein, mouseout);
            }
          });
        }
        else {
          $(this).children().each(function(index, pageritem) {
            $(pageritem).click(function() {
              drupal.viewsslideshow.action({ "action": 'gotoslide', "slideshowid": uniqueid, "slidenum": index });
            });
          });
        }
      });
    }
  };

  drupal.viewsslideshowpagerfields = drupal.viewsslideshowpagerfields || {};

  /**
   * implement the transitionbegin hook for pager fields pager.
   */
  drupal.viewsslideshowpagerfields.transitionbegin = function (options) {
    for (pagerlocation in drupal.settings.viewsslideshowpager[options.slideshowid]) {
      // remove active class from pagers
      $('[id^="views_slideshow_pager_field_item_' + pagerlocation + '_' + options.slideshowid + '"]').removeclass('active');

      // add active class to active pager.
      $('#views_slideshow_pager_field_item_'+ pagerlocation + '_' + options.slideshowid + '_' + options.slidenum).addclass('active');
    }
  };

  /**
   * implement the gotoslide hook for pager fields pager.
   */
  drupal.viewsslideshowpagerfields.gotoslide = function (options) {
    for (pagerlocation in drupal.settings.viewsslideshowpager[options.slideshowid]) {
      // remove active class from pagers
      $('[id^="views_slideshow_pager_field_item_' + pagerlocation + '_' + options.slideshowid + '"]').removeclass('active');

      // add active class to active pager.
      $('#views_slideshow_pager_field_item_' + pagerlocation + '_' + options.slideshowid + '_' + options.slidenum).addclass('active');
    }
  };

  /**
   * implement the previousslide hook for pager fields pager.
   */
  drupal.viewsslideshowpagerfields.previousslide = function (options) {
    for (pagerlocation in drupal.settings.viewsslideshowpager[options.slideshowid]) {
      // get the current active pager.
      var pagernum = $('[id^="views_slideshow_pager_field_item_' + pagerlocation + '_' + options.slideshowid + '"].active').attr('id').replace('views_slideshow_pager_field_item_' + pagerlocation + '_' + options.slideshowid + '_', '');

      // if we are on the first pager then activate the last pager.
      // otherwise activate the previous pager.
      if (pagernum == 0) {
        pagernum = $('[id^="views_slideshow_pager_field_item_' + pagerlocation + '_' + options.slideshowid + '"]').length() - 1;
      }
      else {
        pagernum--;
      }

      // remove active class from pagers
      $('[id^="views_slideshow_pager_field_item_' + pagerlocation + '_' + options.slideshowid + '"]').removeclass('active');

      // add active class to active pager.
      $('#views_slideshow_pager_field_item_' + pagerlocation + '_' + options.slideshowid + '_' + pagernum).addclass('active');
    }
  };

  /**
   * implement the nextslide hook for pager fields pager.
   */
  drupal.viewsslideshowpagerfields.nextslide = function (options) {
    for (pagerlocation in drupal.settings.viewsslideshowpager[options.slideshowid]) {
      // get the current active pager.
      var pagernum = $('[id^="views_slideshow_pager_field_item_' + pagerlocation + '_' + options.slideshowid + '"].active').attr('id').replace('views_slideshow_pager_field_item_' + pagerlocation + '_' + options.slideshowid + '_', '');
      var totalpagers = $('[id^="views_slideshow_pager_field_item_' + pagerlocation + '_' + options.slideshowid + '"]').length();

      // if we are on the last pager then activate the first pager.
      // otherwise activate the next pager.
      pagernum++;
      if (pagernum == totalpagers) {
        pagernum = 0;
      }

      // remove active class from pagers
      $('[id^="views_slideshow_pager_field_item_' + pagerlocation + '_' + options.slideshowid + '"]').removeclass('active');

      // add active class to active pager.
      $('#views_slideshow_pager_field_item_' + pagerlocation + '_' + options.slideshowid + '_' + slidenum).addclass('active');
    }
  };


  /**
   * views slideshow slide counter
   */

  drupal.viewsslideshowslidecounter = drupal.viewsslideshowslidecounter || {};

  /**
   * implement the transitionbegin for the slide counter.
   */
  drupal.viewsslideshowslidecounter.transitionbegin = function (options) {
    $('#views_slideshow_slide_counter_' + options.slideshowid + ' .num').text(options.slidenum + 1);
  };

  /**
   * this is used as a router to process actions for the slideshow.
   */
  drupal.viewsslideshow.action = function (options) {
    // set default values for our return status.
    var status = {
      'value': true,
      'text': ''
    };

    // if an action isn't specified return false.
    if (typeof options.action == 'undefined' || options.action == '') {
      status.value = false;
      status.text =  drupal.t('there was no action specified.');
      return error;
    }

    // if we are using pause or play switch paused state accordingly.
    if (options.action == 'pause') {
      drupal.settings.viewsslideshow[options.slideshowid].paused = 1;
      // if the calling method is forcing a pause then mark it as such.
      if (options.force) {
        drupal.settings.viewsslideshow[options.slideshowid].pausedforce = 1;
      }
    }
    else if (options.action == 'play') {
      // if the slideshow isn't forced pause or we are forcing a play then play
      // the slideshow.
      // otherwise return telling the calling method that it was forced paused.
      if (!drupal.settings.viewsslideshow[options.slideshowid].pausedforce || options.force) {
        drupal.settings.viewsslideshow[options.slideshowid].paused = 0;
        drupal.settings.viewsslideshow[options.slideshowid].pausedforce = 0;
      }
      else {
        status.value = false;
        status.text += ' ' + drupal.t('this slideshow is forced paused.');
        return status;
      }
    }

    // we use a switch statement here mainly just to limit the type of actions
    // that are available.
    switch (options.action) {
      case "gotoslide":
      case "transitionbegin":
      case "transitionend":
        // the three methods above require a slide number. checking if it is
        // defined and it is a number that is an integer.
        if (typeof options.slidenum == 'undefined' || typeof options.slidenum !== 'number' || parseint(options.slidenum) != (options.slidenum - 0)) {
          status.value = false;
          status.text = drupal.t('an invalid integer was specified for slidenum.');
        }
      case "pause":
      case "play":
      case "nextslide":
      case "previousslide":
        // grab our list of methods.
        var methods = drupal.settings.viewsslideshow[options.slideshowid]['methods'];

        // if the calling method specified methods that shouldn't be called then
        // exclude calling them.
        var excludemethodsobj = {};
        if (typeof options.excludemethods !== 'undefined') {
          // we need to turn the excludemethods array into an object so we can use the in
          // function.
          for (var i=0; i < excludemethods.length; i++) {
            excludemethodsobj[excludemethods[i]] = '';
          }
        }

        // call every registered method and don't call excluded ones.
        for (i = 0; i < methods[options.action].length; i++) {
          if (drupal[methods[options.action][i]] != undefined && typeof drupal[methods[options.action][i]][options.action] == 'function' && !(methods[options.action][i] in excludemethodsobj)) {
            drupal[methods[options.action][i]][options.action](options);
          }
        }
        break;

      // if it gets here it's because it's an invalid action.
      default:
        status.value = false;
        status.text = drupal.t('an invalid action "!action" was specified.', { "!action": options.action });
    }
    return status;
  };
})(jquery);
;