/*!
 * Written by Mark Davies
 * www.markdavies.com.au
 * 
 * Requires jQuery!
 * 
 */

(function (){
	
	var window = this,
		windowName = Math.random(1000).toString().slice(3),
		doc = document,
		loc = location,
		enc = encodeURIComponent,
		now = new Date().getTime(),
		gallery;
	
	// Default settings
	var galleryOps = {
		// id and filenames of available gallery videos
		videosArray:[],
		// debugging
		debug: false
	}
	
	function isUndefined(variable) {
		return typeof variable === 'undefined';
	}
	
	function openGallery(){
		
		if(galleryOps.debug) console.log('gallery.js: showGallery');
		
		// Check that jQuery exists
		if (isUndefined(jQuery)) {
			alert('jQuery object not found!');
			return;
		}

		$("#gallery").css("display", "none");
		$("#gallery_bg").css("display", "block");

		$("#gallery_bg").animate({
			opacity:0
			}, 0);
		
		$("#gallery_bg").animate({
			opacity:.9
			}, 300, galleryOpenedHandler);
		
		$("#gallery_bg").click(closeGallery);
		
		$(window).resize(windowResizeHandler);
		$(window).scroll(windowScrollHandler);

		windowResizeHandler();
		windowScrollHandler();
		
	}
	
	function getVideoFromId(id){
		for(var i=0; i<galleryOps.videosArray.length; i++){
			if(galleryOps.videosArray[i].id == id) return galleryOps.videosArray[i];
		}
		return false;
	}
	
	function openAndShowGallery(id){
		if(galleryOps.debug) console.log('gallery.js: openAndShowGallery id:'+id);
		
		var video = getVideoFromId(id);
		if(video == false){
			if(galleryOps.debug) console.log('gallery.js: can\'t find id:'+id+' in video array');
			return;
		}
		
		quicktime = '<object classid="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" codebase="http://www.apple.com/qtactivex/qtplugin.cab" width="600" height="356">'
					+'<param name="src" value="'+video.video+'">'
					+'<param name="autoplay" value="true">'
					+'<param name="controller" value="true">'
					+'<param name="bgcolor" value="#000000">'
					+'<param name="type" value="video/quicktime" width="600" height="356">'
					+'<embed id="embedSrc" src="'+video.video+'" bgcolor="#000000" width="600" height="356" autoplay="true" type="video/quicktime" pluginspage="http://www.apple.com/quicktime/download/" />' 
					+'</object>';
		
		$("#video").html(quicktime);
		$("#galleryDirector").html(video.director);
		$("#galleryDescription").html(video.description);
		
		openGallery();
		Cufon.replace('h2');
		
	}
	
	function closeGallery(){
		
		if(galleryOps.debug) console.log('gallery.js: closeGallery');

		$(window).unbind('resize', windowResizeHandler);
		$(window).unbind('scroll', windowScrollHandler);

		$("#gallery").css("display", "none");

		$("#gallery_bg").animate({
			opacity:0
			}, 300, galleryFadedHandler);
		
	}
	
	function galleryOpenedHandler(){
		$("#gallery").css("display", "block");
		placeGallery();
	}

	function galleryFadedHandler(){
		$("#gallery_bg").css("display", "none");
	}
	
	function windowResizeHandler(){
		
		$("#gallery").width($(document).width());
		$("#gallery").height($(document).height());
		$("#gallery_bg").width($("html").width());
		$("#gallery_bg").height($(document).height());
		
		placeGallery();
	}
	
	function windowScrollHandler(){
		placeGallery();
	}

	function placeGallery(){
		
		var posy = $(window).scrollTop() + ($(window).height()/2) - ($("#viewpanel").height()/2);
		var posx = ($(window).width()/2) - ($("#gallery #viewpanel").width()/2);
		
		$("#gallery #viewpanel").offset({top:posy, left:posx});	
		
	}
	
	// This sets up the actual object
	window.gallery = gallery = {
		setOptions: function (options) {
			for (var i in options) {
				if (options.hasOwnProperty(i)) {
					galleryOps[i] = options[i];
				}
			}
		},
		open: function () {
			openGallery();
		},
		openAndShow: function (id) {
			openAndShowGallery(id);
		},
		close: function () {
			closeGallery();
		}
	};
	
})();