/*global jQuery */

/*jshint browser:true */

/*!

 * FitVids 1.1

 *

 * Copyright 2013, Chris Coyier - http://www.20script.ir + 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/

 *

 */



(function( $ ){



    "use strict";



    $.fn.fitVids = function( options ) {

        var settings = {

            customSelector: null,

            ignore: null,

        };



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

            // appendStyles: https://github.com/toddmotto/fluidvids/blob/master/dist/fluidvids.js

            var head = document.head || document.getElementsByTagName('head')[0];

            var css = '.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%;}';

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

            div.innerHTML = '<p>x</p><style id="fit-vids-style">' + css + '</style>';

            head.appendChild(div.childNodes[1]);

        }



        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 ignoreList = '.fitvidsignore';



            if(settings.ignore) {

                ignoreList = ignoreList + ', ' + settings.ignore;

            }



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

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

            $allVideos = $allVideos.not(ignoreList); // Disable FitVids on this video.



            $allVideos.each(function(){

                var $this = $(this);

                if($this.parents(ignoreList).length > 0) {

                    return; // Disable FitVids on this video.

                }

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

                if ((!$this.css('height') && !$this.css('width')) && (isNaN($this.attr('height')) || isNaN($this.attr('width'))))

                {

                    $this.attr('height', 9);

                    $this.attr('width', 16);

                }

                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 );