/**
 * Roar - Notifications
 *
 * Inspired by Growl
 *
 * @version		1.0.1
 *
 * @license		MIT-style license
 * @author		Harald Kirschner <mail [at] digitarald.de>
 * @copyright	Author
 * @mod		Jabis Sevon <jabis [at] tuhma.fi>
 */

var Roar = new Class({

	Implements: [Options, Events, Chain],

	options: {
		duration: 3000,
		position: 'upperLeft',
		container: null,
		bodyFx: null,
		itemFx: null,
		margin: {x: 10, y: 10},
		offset: 10,
		className: 'roar',
		onShow: $empty,
		onHide: $empty,
		onRender: $empty
	},

	initialize: function(options) {
		this.setOptions(options);
		this.items = [];
		this.container = $(this.options.container) || document;
	},

	alert: function(title, message, options) {
		var params = Array.link(arguments, {title: String.type, id: String.type, message: String.type, options: Object.type});
		var items = [new Element('h3', {'html': $pick(params.title, ''), 'id': $pick(params.id, '')})];
		if (params.message) items.push(new Element('p', {'html': params.message}));
		return this.inject(items, params.options);
	},

	inject: function(elements, options) {
		if (!this.body) this.render();
		options = options || {};

		var offset = [-this.options.offset, 0];
		var last = this.items.getLast();
		if (last) {
			offset[0] = last.retrieve('roar:offset');
			offset[1] = offset[0] + last.offsetHeight + this.options.offset;
		}
		var to = {'opacity': 1};
		to[this.align.y] = offset;

		var item = new Element('div', {
			'class': this.options.className,
			'opacity': 0
		}).adopt(
			new Element('div', {
				'class': 'roar-bg',
				'opacity': 0.7
			}),
			elements
		);

		item.setStyle(this.align.x, 0).store('roar:offset', offset[1]).set('morph', $merge({
			unit: 'px',
			link: 'cancel',
			onStart: Chain.prototype.clearChain,
			transition: Fx.Transitions.Back.easeOut
		}, this.options.itemFx));

		var remove = this.remove.create({
			bind: this,
			arguments: [item],
			delay: 10
		});
		this.items.push(item.addEvent('click', remove));

		if (this.options.duration) {
			var over = false;
			var trigger = (function() {
				trigger = null;
				if (!over) remove();
			}).delay(this.options.duration);
			item.addEvents({
				mouseover: function() {
					over = true;
				},
				mouseout: function() {
					over = false;
					if (!trigger) remove();
				}
			});
		}
		item.inject(this.body).morph(to);
		return this.fireEvent('onShow', [item, this.items.length]);
	},

	remove: function(item) {
		var index = this.items.indexOf(item);
		if (index == -1) return this;
		this.items.splice(index, 1);
		item.removeEvents();
		var to = {opacity: 0};
		to[this.align.y] = item.getStyle(this.align.y).toInt() - item.offsetHeight - this.options.offset;
		item.morph(to).get('morph').chain(item.destroy.bind(item));
		return this.fireEvent('onHide', [item, this.items.length]).callChain(item);
		

	},

	empty: function() {
		while (this.items.length) this.remove(this.items[0]);
		return this;
	},

	render: function() {
		this.position = this.options.position;
		if ($type(this.position) == 'string') {
			var position = {x: 'center', y: 'center'};
			this.align = {x: 'left', y: 'top'};
			if ((/left|west/i).test(this.position)) position.x = 'left';
			else if ((/right|east/i).test(this.position)) this.align.x = position.x = 'right';
			if ((/upper|top|north/i).test(this.position)) position.y = 'top';
			else if ((/bottom|lower|south/i).test(this.position)) this.align.y = position.y = 'bottom';
			this.position = position;
		}
		this.body = new Element('div', {'class': 'roar-body'}).inject(document.body);
		if (Browser.Engine.trident4) this.body.addClass('roar-body-ugly');
		this.moveTo = this.body.setStyles.bind(this.body);
		this.reposition();
		if (this.options.bodyFx) {
			var morph = new Fx.Morph(this.body, $merge({
				unit: 'px',
				chain: 'cancel',
				transition: Fx.Transitions.Circ.easeOut
			}, this.options.bodyFx));
			this.moveTo = morph.start.bind(morph);
		}
		var repos = this.reposition.bind(this);
		window.addEvents({
			scroll: repos,
			resize: repos
		});
		this.fireEvent('onRender', this.body);
	},

	reposition: function() {
		var max = document.getCoordinates(), scroll = document.getScroll(), margin = this.options.margin;
		max.left += scroll.x;
		max.right += scroll.x;
		max.top += scroll.y;
		max.bottom += scroll.y;
		var rel = ($type(this.container) == 'element') ? this.container.getCoordinates() : max;
		this.moveTo({
			left: (this.position.x == 'right')
				? (Math.min(rel.right, max.right) - margin.x)
				: (Math.max(rel.left, max.left) + margin.x),
			top: (this.position.y == 'bottom')
				? (Math.min(rel.bottom, max.bottom) - margin.y)
				: (Math.max(rel.top, max.top) + margin.y)
		});
	}

});


/**
 * SqueezeBox - Expandable Lightbox
 *
 * Allows to open various content as modal,
 * centered and animated box.
 *
 * Dependencies: MooTools 1.2 trunk (04/2008)
 *
 * Inspired by
 *  ... Lokesh Dhakar	- The original Lightbox v2
 *
 * @version		1.1 rc2
 *
 * @license		MIT-style license
 * @author		Harald Kirschner <mail [at] digitarald.de>
 * @copyright	Author
 */
var SqueezeBox = {

	presets: {
		size: {x: 600, y: 450},
		sizeLoading: {x: 200, y: 150},
		marginInner: {x: 20, y: 20},
		marginImage: {x: 50, y: 75},
		handler: false,
		target: null,
		closable: true,
		closeBtn: true,
		zIndex: 65555,
		overlayOpacity: 0.7,
		classWindow: '',
		classOverlay: '',
		overlayFx: {},
		resizeFx: {},
		contentFx: {},
		parse: false, // 'rel'
		parseSecure: false,
		ajaxOptions: {},
		onOpen: $empty,
		onClose: $empty,
		onUpdate: $empty,
		onResize: $empty,
		onMove: $empty,
		onShow: $empty,
		onHide: $empty
	},

	initialize: function(presets) {
		if (this.options) return this;
		this.presets = $merge(this.presets, presets);
		this.options = {};
		this.setOptions(this.presets).build();
		this.bound = {
			window: this.reposition.bind(this, [null]),
			scroll: this.checkTarget.bind(this),
			close: this.close.bind(this),
			key: this.onKey.bind(this)
		};
		this.isOpen = this.isLoading = false;
		return this;
	},

	build: function() {
		this.overlay = new Element('div', {
			id: 'sbox-overlay',
			styles: {display: 'none', zIndex: this.options.zIndex}
		});
		this.content = new Element('div', {id: 'sbox-content'});
		this.closeBtn = new Element('a', {id: 'sbox-btn-close', href: '#'});
		this.win = new Element('div', {
			id: 'sbox-window',
			styles: {display: 'none', zIndex: this.options.zIndex + 2}
		}).adopt(this.closeBtn, this.content);
		this.fx = {
			overlay: new Fx.Tween(this.overlay, $merge({
				property: 'opacity',
				onStart: Events.prototype.clearChain,
				duration: 250,
				link: 'cancel'
			}, this.options.overlayFx)).set(0),
			win: new Fx.Morph(this.win, $merge({
				onStart: Events.prototype.clearChain,
				unit: 'px',
				duration: 750,
				transition: Fx.Transitions.Quint.easeOut,
				link: 'cancel',
				unit: 'px'
			}, this.options.resizeFx)),
			content: new Fx.Tween(this.content, $merge({
				property: 'opacity',
				duration: 250,
				link: 'cancel'
			}, this.options.contentFx)).set(0)
		};
		$(document.body).adopt(this.overlay, this.win);
	},

	assign: function(to, options) {
		return to.addEvent('click', function() {
			return !SqueezeBox.fromElement(this, options);
		});
	},

	fromElement: function(from, options) {
		this.initialize();
		if (this.element) this.trash();
		this.element = $(from);
		this.setOptions($merge(this.presets, options || {}));
		if (this.element && this.options.parse) {
			var obj = this.element.getProperty(this.options.parse);
			if (obj && (obj = JSON.decode(obj, this.options.parseSecure))) this.setOptions(obj);
		}
		this.assignOptions();
		this.url = ((this.element) ? (this.options.url || this.element.get('href')) : from) || '';
		var handler = this.options.handler;
		if (handler) return this.setContent(handler, this.parsers[handler].call(this, true));
		var ret = false;
		this.parsers.some(function(parser, key) {
			var content = parser.call(this);
			if (content) {
				ret = this.setContent(key, content);
				return true;
			}
			return false;
		}, this);
		return ret;
	},

	assignOptions: function() {
		this.overlay.set('class', this.options.classOverlay);
		this.win.set('class', this.options.classWindow);
		if (Browser.Engine.trident4) this.win.addClass('sbox-window-ie6');
	},

	close: function(e) {
		var stoppable = ($type(e) == 'event');
		if (stoppable) e.stop();
		if (!this.isOpen || (stoppable && !$lambda(this.options.closable).call(this, e))) return this;
		this.fx.overlay.start(0).chain(this.toggleOverlay.bind(this));
		this.win.setStyle('display', 'none');
		this.trash();
		this.toggleListeners();
		this.isOpen = false;
		this.fireEvent('onClose', [this.content]);
		return this;
	},

	trash: function() {
		this.element = this.asset = null;
		this.options = {};
		this.removeEvents().setOptions(this.presets).callChain();
	},

	onError: function() {
		this.asset = null;
		this.setContent('string', 'Error during loading');
	},

	setContent: function(handler, content) {
		if (!this.handlers[handler]) return false;
		this.content.className = 'sbox-content-' + handler;
		this.applyTimer = this.applyContent.delay(this.fx.overlay.options.duration, this, this.handlers[handler].call(this, content));
		if (this.overlay.retrieve('opacity')) return this;
		this.toggleOverlay(true);
		this.fx.overlay.start(this.options.overlayOpacity);
		return this.reposition();
	},

	applyContent: function(content, size) {
		this.applyTimer = $clear(this.applyTimer);
		this.hideContent();
		if (!content) {
			this.toggleLoading(true);
		} else {
			if (this.isLoading) this.toggleLoading(false);
			this.fireEvent('onUpdate', [this.content], 20);
		}
		this.content.empty();
		if (['string', 'array', false].contains($type(content))) this.content.set('html', content || '');
		else this.content.adopt(content);
		this.callChain();
		if (!this.isOpen) {
			this.toggleListeners(true);
			this.resize(size, true);
			this.isOpen = true;
			this.fireEvent('onOpen', [this.content]);
		} else {
			this.resize(size);
		}
	},

	resize: function(size, instantly) {
		var box = document.getSize(), scroll = document.getScroll();
		this.size = $merge((this.isLoading) ? this.options.sizeLoading : this.options.size, size);
		var to = {
			width: this.size.x,
			height: this.size.y,
			left: (scroll.x + (box.x - this.size.x - this.options.marginInner.x) / 2).toInt(),
			top: (scroll.y + (box.y - this.size.y - this.options.marginInner.y) / 2).toInt()
		};
		$clear(this.showTimer || null);
		this.hideContent();
		if (!instantly) {
			this.fx.win.start(to).chain(this.showContent.bind(this));
		} else {
			this.win.setStyles(to).setStyle('display', '');
			this.showTimer = this.showContent.delay(50, this);
		}
		return this.reposition();
	},

	toggleListeners: function(state) {
		var fn = (state) ? 'addEvent' : 'removeEvent';
		this.closeBtn[fn]('click', this.bound.close);
		this.overlay[fn]('click', this.bound.close);
		document[fn]('keydown', this.bound.key)[fn]('mousewheel', this.bound.scroll);
		window[fn]('resize', this.bound.window)[fn]('scroll', this.bound.window);
	},

	toggleLoading: function(state) {
		this.isLoading = state;
		this.win[(state) ? 'addClass' : 'removeClass']('sbox-loading');
		if (state) this.fireEvent('onLoading', [this.win]);
	},

	toggleOverlay: function(state) {
		this.overlay.setStyle('display', (state) ? '' : 'none');
		$(document.body)[(state) ? 'addClass' : 'removeClass']('body-overlayed');
	},

	showContent: function() {
		if (this.content.get('opacity')) this.fireEvent('onShow', [this.win]);
		this.fx.content.start(1);
	},

	hideContent: function() {
		if (!this.content.get('opacity')) this.fireEvent('onHide', [this.win]);
		this.fx.content.set(0);
	},

	onKey: function(e) {
		switch (e.key) {
			case 'esc': this.close(e);
			case 'up': case 'down': return false;
		}
		return false;
	},

	checkTarget: function(e) {
		return this.content.hasChild(e.target);
	},

	reposition: function() {
		var size = document.getSize(), scroll = document.getScroll();
		this.overlay.setStyles({
			left: scroll.x + 'px',
			top: scroll.y + 'px',
			width: size.x + 'px',
			height: size.y + 'px'
		});
		this.win.setStyles({
			left: (scroll.x + (size.x - this.win.offsetWidth) / 2).toInt() + 'px',
			top: (scroll.y + (size.y - this.win.offsetHeight) / 2).toInt() + 'px'
		});
		return this.fireEvent('onMove', [this.overlay, this.win]);
	},

	removeEvents: function(type){
		if (!this.$events) return this;
		if (!type) this.$events = null;
		else if (this.$events[type]) this.$events[type] = null;
		return this;
	},
	
	extend: function(properties) {
		return $extend(this, properties);
	},

	handlers: new Hash(),

	parsers: new Hash()

};

SqueezeBox.extend(new Events($empty)).extend(new Options($empty)).extend(new Chain($empty));

SqueezeBox.parsers.extend({

	image: function(preset) {
		return (preset || (/\.(?:jpg|png|gif)$/i).test(this.url)) ? this.url : false;
	},

	clone: function(preset) {
		if ($(this.options.target)) return $(this.options.target);
		if (this.element && !this.element.parentNode) return this.element;
		var bits = this.url.match(/#([\w-]+)$/);
		return (bits) ? $(bits[1]) : (preset ? this.element : false);
	},

	ajax: function(preset) {
		return (preset || (this.url && !(/^(?:javascript|#)/i).test(this.url))) ? this.url : false;
	},

	iframe: function(preset) {
		return (preset || this.url) ? this.url : false;
	},

	string: function(preset) {
		return true;
	}
});

SqueezeBox.handlers.extend({

	image: function(url) {
		var size, tmp = new Image();
		this.asset = null;
		tmp.onload = tmp.onabort = tmp.onerror = (function() {
			tmp.onload = tmp.onabort = tmp.onerror = null;
			if (!tmp.width) {
				this.onError.delay(10, this);
				return;
			}
			var box = document.getSize();
			box.x -= this.options.marginImage.x;
			box.y -= this.options.marginImage.y;
			size = {x: tmp.width, y: tmp.height};
			for (var i = 2; i--;) {
				if (size.x > box.x) {
					size.y *= box.x / size.x;
					size.x = box.x;
				} else if (size.y > box.y) {
					size.x *= box.y / size.y;
					size.y = box.y;
				}
			}
			size.x = size.x.toInt();
			size.y = size.y.toInt();
			this.asset = $(tmp);
			tmp = null;
			this.asset.setProperties({width: size.x, height: size.y});
			if (this.isOpen) this.applyContent(this.asset, size);
		}).bind(this);
		tmp.src = url;
		if (tmp && tmp.onload && tmp.complete) tmp.onload();
		return (this.asset) ? [this.asset, size] : null;
	},

	clone: function(el) {
		return el.clone();
	},

	adopt: $arguments(0),

	ajax: function(url) {
		this.asset = new Request.HTML($merge({
			method: 'get'
		}, this.options.ajaxOptions)).addEvents({
			onSuccess: function(resp) {
				this.applyContent(resp);
				this.asset = null;
			}.bind(this),
			onFailure: this.onError.bind(this)
		});
		this.asset.send.delay(10, this.asset, [{url: url}]);
	},

	iframe: function(url) {
		return new Element('iframe', $merge({
			src: url,
			frameBorder: 0,
			width: this.options.size.x,
			height: this.options.size.y
		}, this.options.iframeOptions));
	},

	string: function(str) {
		return str;
	}

});

SqueezeBox.handlers.url = SqueezeBox.handlers.ajax;
SqueezeBox.parsers.url = SqueezeBox.parsers.ajax;
SqueezeBox.parsers.adopt = SqueezeBox.parsers.clone;