var CTracker = new Class({
	options: {
		target: 'index.php?option=com_company&controller=tracker&format=raw',
		clickTask: 'click',
		impressTask: 'impress'
	},
	event: {},
	initialize: function(options) {
		this.setOptions(options);

		document.addEvents({
			mousedown: function(e) {
				this.event.down = e;
			}.bind(this),
			mouseup: function(e) {
				this.event.up = e;

				var target = this.getTarget();
				var button = this.getButton();
				var rel = target.getProperty('rel');

				if(button != 'right' && target && target.getTag() == 'a' && rel !== null && rel.match(/external/)) {
					var entryId = this.getEntryId(target);
					var isCP = target.getProperty('data-type') == 'Company Profile';
					var isSearch = $$('body#com_solr').length !== 0;
					var tableName = isCP ? 'company' : (isSearch ? 'search' : 'feature');

					var tag = '';
					if(isSearch) {
						var match = document.location.search.match(/query=([^&]+)/i);

						if(match && match[1]) {
							tag = unescape(match[1].replace(/\+/g, ' '));
						}
					}

					if(entryId) {
						this.trackEvent({
							sobi2Id: entryId,
							link: target.getProperty('href'),
							requestUri: document.location.href,
							referrer: document.referrer,
							tableName: tableName,
							tableId: this.getTableId(),
							tag: tag
						});
					}
				}
			}.bind(this)
		});
	},
	trackPageview: function(params) {
		return this.send(this.options.impressTask, params);
	},
	trackEvent: function(params) {
		return this.send(this.options.clickTask, params);
	},
	send: function(type, params) {
		var remote = new Ajax(this.options.target + '&task=' + type, {
			method: 'post'
		});

		return remote.request(params);
	},
	getTarget: function() {
		if(typeof this.event.up.target !== 'undefined'
			&& this.event.up.target === this.event.down.target
		) {
			return $(this.event.up.target);
		}
		else if(typeof this.event.up.srcElement !== 'undefined'
			&& this.event.up.srcElement === this.event.down.srcElement
		) {
			return $(this.event.up.srcElement);
		}
		else {
			return false;
		}
	},
	getButton: function() {
		if(this.event.up.button === this.event.down.button) {
			e = this.event.up;
			if(this.ie !== false && this.ie < 9) {
				if(e.button === 1) {
					return 'left';
				}
				else if(e.button === 4) {
					return 'middle';
				}
				else if(e.button === 2) {
					return 'right';
				}
			}
			else {
				if(e.button === 0) {
					return 'left';
				}
				else if(e.button === 1) {
					return 'middle';
				}
				else if(e.button === 2) {
					return 'right';
				}
			}
		}

		return false;
	},
	getTableId: function() {
		var url = window.location.href;
		var match = url.match(/(\d+)\.html$/i);
		var id = 0;
		
		if(match && match.length) {
			id = match[1];
		}

		return id;
	},
	getEntryId: function(a) {
		var p = a;
		var match;

		while(p.getParent && (p = p.getParent())) {
			var id = p.getProperty ? p.getProperty('id') : null;

			if(id !== null && (match = id.match(/item(\d+)/))) {
				return match[1];
			}
		}

		return false;
	}
});

CTracker.implement(new Options);

var _ct = new CTracker();