var learndash_shortcodes = jQuery.extend(learndash_shortcodes || {}, {	
	tinymce_editor: null,

	show_popup_html: function () {
		if ((typeof learndash_admin_shortcodes_assets === 'undefined') || (learndash_admin_shortcodes_assets == '')) {
			learndash_admin_shortcodes_assets = {};
		}
		
		var shortcodes_loaded = jQuery("#learndash_shortcodes_holder").length;
		if (shortcodes_loaded) {
			learndash_shortcodes.popup_show();

		} else {

			jQuery("body").append('<div id="learndash_shortcodes_holder" style="display: none;"><div id="learndash_shortcodes"></div></div>');

			var post_data = {
				'action': 'learndash_generate_shortcodes_content',
				'atts': learndash_admin_shortcodes_assets
			};

			jQuery.ajax({
				type: "POST",
				url: ajaxurl,
				dataType: "html",
				cache: false,
				data: post_data,
				error: function (jqXHR, textStatus, errorThrown) {
					//console.log('init: error HTTP Status['+jqXHR.status+'] '+errorThrown);
					//console.log('error [%o]', textStatus);
				},
				success: function (reply_data) {
					if (typeof reply_data !== 'undefined') {
						jQuery('#learndash_shortcodes').html(reply_data);
					}
					
					learndash_shortcodes.popup_init();
					learndash_shortcodes.popup_show();
				}
			});
		}
	},
	popup_show: function () {
		if (learndash_admin_shortcodes_assets['popup_type'] === 'thickbox') {
			var timymce_url = learndash_shortcodes.get_tinymce_url();
			tb_show(learndash_admin_shortcodes_assets['popup_title'], timymce_url);
		} else if (learndash_admin_shortcodes_assets['popup_type'] === 'jQuery-dialog') {

			var wWidth = jQuery(window).width();
			var dWidth = wWidth * 0.9;
			var wHeight = jQuery(window).height();
			var dHeight = wHeight * 0.9;

			jQuery('#learndash_shortcodes').dialog({
				title: learndash_admin_shortcodes_assets['popup_title'],
				dialogClass: 'wp-dialog ld-shortcodes',
				autoOpen: true,
				draggable: false,
				width: dWidth,
				height: dHeight,
				modal: true,
				resizable: false,
				closeOnEscape: true,
				position: {
					my: "center",
					at: "center",
					of: window
				},
				open: function () {
					// close dialog by clicking the overlay behind it
					jQuery('.ui-widget-overlay').bind('click', function () {
						jQuery('#my-dialog').dialog('close');
					})
				},
				create: function () {
					// style fix for WordPress admin
					jQuery('.ui-dialog-titlebar-close').addClass('ui-button');
				},
			});
			learndash_shortcodes.popup_set_dimensions();
			jQuery('#learndash_shortcodes').dialog('open');
		}
	},
	popup_set_dimensions: function () {
		var wWidth = jQuery(window).width();
		var dWidth = wWidth * 0.9;
		var wHeight = jQuery(window).height();
		var dHeight = wHeight * 0.9;
		jQuery("#learndash_shortcodes").dialog("option", "width", dWidth);	
		jQuery("#learndash_shortcodes").dialog("option", "height", dHeight);

		/**
		 * Adjust position if RTL. for some reason the WordPress jQuery Dialog logic
		 * positions the popup relative to the left insteadof the right. This pushes
		 * the popup against the right side right:0px instead of centered. So the
		 * code below to adjust that but might find a more correct solution later.
		 * @added LD 3.0.7
		 */
		if (window.isRtl) {
			var dialog_position_left = parseInt(jQuery('.ui-dialog.ld-shortcodes').css('left'));
			var dialog_position_right = parseInt(jQuery('.ui-dialog.ld-shortcodes').css('right'));

			dialog_position_right = dialog_position_left * -1;
			jQuery('.ui-dialog.ld-shortcodes').css('right', dialog_position_right+'px');
		}
	},
	get_tinymce_url: function () {

		var width = jQuery(window).width();
		var height = jQuery(window).height();

		var W = (950 < width) ? 950 : width;
		var H = height;

		W = W - 80;
		H = H - 84;

		var request_tinymce_url = '#TB_inline?width=' + W + '&height=' + H + '&inlineId=learndash_shortcodes';
		return request_tinymce_url;
	},
	tinymce_callback: function (editor) {
		learndash_shortcodes.tinymce_editor = editor;
		learndash_shortcodes.show_popup_html();	
	},
	qt_callback: function () {
		learndash_shortcodes.tinymce_editor = null;
		learndash_shortcodes.show_popup_html();
	},
	popup_init: function () {
		jQuery('#learndash_shortcodes_tabs a').click(function (e) {
			e.preventDefault();
			learndash_shortcodes.tabs_switch(jQuery(this));
		});
		learndash_shortcodes.tabs_switch(jQuery('#learndash_shortcodes a').first());
		
		jQuery('form.learndash_shortcodes_form').submit(function (e) {
			e.preventDefault();
			tb_remove();
			learndash_shortcodes.popup_submit(this);
		});

		jQuery(window).resize(function () {
			learndash_shortcodes.popup_set_dimensions();

		});
	},
	tabs_switch: function (obj) {
		jQuery('#learndash_shortcodes_sections .hidable').hide();
		jQuery('#learndash_shortcodes_sections #tabs-' + obj.attr('data-nav')).show();
		jQuery('#learndash_shortcodes_tabs li').removeClass('current');
		obj.parent().addClass('current');
	},
	get_selected_text: function () {
		var txtarea = document.getElementById("content");
		var start = txtarea.selectionStart;
		var finish = txtarea.selectionEnd;
		return txtarea.value.substring(start, finish);
	},
	popup_submit: function (form) {
		if (learndash_admin_shortcodes_assets['popup_type'] === 'jQuery-dialog') {
			jQuery('#learndash_shortcodes').dialog('close');
		}
		
		var shortcode_slug = jQuery(form).attr('shortcode_slug');

		var shortcode_type = jQuery(form).attr('shortcode_type');
		if (typeof shortcode_type === 'undefined')
			shortcode_type = 1;
		
		var content = '[' + shortcode_slug;
		var elements = form.elements;

		var message = '';

		if (elements.length > 0) {
			var field_count = 0;
			while (field_count < elements.length) {
				var field = elements[field_count];

				switch (field.type) {
					case 'textarea':
						if (shortcode_type == 2) {
							message = field.value;
						} else {
							content += ' ' + field.name + '="' + field.value.replace(/"/g, '\\"') + '"';
						}
						break;
					
					case 'checkbox':
						if (field.checked) {
							if ((typeof field.value !== 'undefined') && (field.value != '') && (field.value != '0')) {
								content += ' ' + field.name + '="' + field.value.replace(/"/g, '\\"') + '"';
							}
						} 
						break;

					case 'submit':
						break;
						
					case 'text':
					default:
						if ((typeof field.value !== 'undefined') && (field.value != '')) {
							
							//var pattern = /^([a-zA-Z0-9 _-]+/gi;
							var value_replaced = field.value.replace(/\W/g, '');
							content += ' ' + field.name + '="' + field.value.replace(/"/g, '\\"') + '"';
						}
						break;
				}

				field_count += 1;
			}
		}
		content += ']';
		
		if ((shortcode_type == 2) && (message != '')) {
			content += message;
			content += '[/' + shortcode_slug + ']';
		}
		
		if (learndash_shortcodes.tinymce_editor !== null) {
			learndash_shortcodes.tinymce_editor.setContent(content);
		} else if (typeof QTags !== 'undefined') {
			QTags.insertContent(content);
		}
	}
});