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' ).on( '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' ).on( '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' ).on( '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];
				field_count += 1;

				var field_shortcode_exclude = field.getAttribute(
					"data-shortcode-exclude"
				);
				
				// Skip excluded shortcode fields.
				if ( ( typeof field_shortcode_exclude !== 'undefined' ) && ( field_shortcode_exclude == '1' ) ) {
					continue;
				}

				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 'select-multiple':
						var field_name = jQuery( field ).attr( 'name' ).replace( '[]', '' );

						var field_selected_values_str = '';
						jQuery( ':selected', field ).each( function( i, item ) {
							var item_value = jQuery( item ).val();

							if ( ( typeof item_value !== 'undefined' ) && ( item_value != '' ) ) {
								if ( field_selected_values_str.length > 0 ) {
									field_selected_values_str += ',';
								}
								field_selected_values_str += item_value.replace( /"/g, '\\"' );
							}
						} );

						if ( field_selected_values_str.length > 0 ) {
							content += ' ' + field_name + '="' + field_selected_values_str + '"';
						}

						break;

					case 'select-one':
					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;
				}
			}
		}
		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 );
		}
	},
} );