jQuery(function($) {
	var authChoicePopup;

	$.fn.authchoice = function(options) {
		options = $.extend({
			popup: {
				resizable: 'yes',
				scrollbars: 'no',
				toolbar: 'no',
				menubar: 'no',
				location: 'no',
				directories: 'no',
				status: 'yes',
				width: 450,
				height: 380
			}
		}, options);

		return this.each(function() {
			var container = $(this);

			container.find('a').on('click', function(e) {
				e.preventDefault();
				if (authChoicePopup !== undefined) {
					authChoicePopup.close();
				}
				var url = this.href;
				var popupOptions = options.popup;

				var localPopupWidth = this.getAttribute('data-popup-width');
				if (localPopupWidth) {
					popupOptions.width = localPopupWidth;
				}
				var localPopupHeight = this.getAttribute('data-popup-height');
				if (localPopupWidth) {
					popupOptions.height = localPopupHeight;
				}

				popupOptions.left = (window.screen.width - options.popup.width) / 2;
				popupOptions.top = (window.screen.height - options.popup.height) / 2;

				var popupFeatureParts = [];
				for (var propName in popupOptions) {
					popupFeatureParts.push(propName + '=' + popupOptions[propName]);
				}
				var popupFeature = popupFeatureParts.join(',');

				authChoicePopup = window.open(url, 'yii_auth_choice', popupFeature);
				authChoicePopup.focus();
			});
		});
	};
});