/**
 * FitVids 1.1
 *
 * 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/
 *
 * @package WordPress
 * @subpackage amaThambo
 * @since 1.0
 * @version 1.0
 */

;(function( $ ){

	'use strict';

	$.fn.fitVids = function( options ) {
		var settings = {
			customSelector: null,
			ignore: null
		};

		if ( ! document.getElementById( 'fit-vids-style' ) ) {
			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( count ) {
				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' + count;
					$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' );
			});
		});
	};

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