/*global jQuery */

/*jshint multistr:true browser:true */

/*!

* FitVids 1.0

*

* Copyright 2013, Chris Coyier - http://css-tricks.com + Dave Rupert - http://daverupert.com

* Credit to Thierry Koblentz - http://www.alistapart.com/articles/creating-intrinsic-ratios-for-video/

* Released under the WTFPL license - http://sam.zoy.org/wtfpl/

*

* Date: Thu Sept 01 18:00:00 2011 -0500

*/



(function( $ ){



  "use strict";



  $.fn.fitVids = function( options ) {

    var settings = {

      customSelector: null

    };



    if(!document.getElementById('fit-vids-style')) {



      var div = document.createElement('div'),

          ref = document.getElementsByTagName('base')[0] || document.getElementsByTagName('script')[0],

          cssStyles = '&shy;<style>.fluid-width-video-wrapper{width:100%;position:relative;padding:0;}.fluid-width-video-wrapper iframe,.fluid-width-video-wrapper object,.fluid-width-video-wrapper embed {position:absolute;top:0;left:0;width:100%;height:100%;}</style>';



      div.className = 'fit-vids-style';

      div.id = 'fit-vids-style';

      div.style.display = 'none';

      div.innerHTML = cssStyles;



      ref.parentNode.insertBefore(div,ref);



    }



    if ( options ) {

      $.extend( settings, options );

    }



    return this.each(function(){

      var selectors = [

        "iframe[src*='player.vimeo.com']",

        "iframe[src*='youtube.com']",

        "iframe[src*='youtube-nocookie.com']",

        "iframe[src*='kickstarter.com'][src*='video.html']",

        "object",

        "embed"

      ];



      if (settings.customSelector) {

        selectors.push(settings.customSelector);

      }



      var $allVideos = $(this).find(selectors.join(','));

      $allVideos = $allVideos.not("object object"); // SwfObj conflict patch



      $allVideos.each(function(){

        var $this = $(this);

        if (this.tagName.toLowerCase() === 'embed' && $this.parent('object').length || $this.parent('.fluid-width-video-wrapper').length) { return; }

        var height = ( this.tagName.toLowerCase() === 'object' || ($this.attr('height') && !isNaN(parseInt($this.attr('height'), 10))) ) ? parseInt($this.attr('height'), 10) : $this.height(),

            width = !isNaN(parseInt($this.attr('width'), 10)) ? parseInt($this.attr('width'), 10) : $this.width(),

            aspectRatio = height / width;

        if(!$this.attr('id')){

          var videoID = 'fitvid' + Math.floor(Math.random()*999999);

          $this.attr('id', videoID);

        }

        $this.wrap('<div class="fluid-width-video-wrapper"></div>').parent('.fluid-width-video-wrapper').css('padding-top', (aspectRatio * 100)+"%");

        $this.removeAttr('height').removeAttr('width');

      });

    });

  };

// Works with either jQuery or Zepto

})( window.jQuery || window.Zepto );