/*global jQuery */
/*jshint multistr:true browser:true */
/*!
 * FitVids 1.0.3
 *
 * 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 );