rge(
						[
							'manually' => __( 'Manually', 'woocommerce-pdf-invoices-packing-slips' ),
						],
						apply_filters( 'wpo_wcpdf_document_triggers', [
							'single'           => __( 'On single order action', 'woocommerce-pdf-invoices-packing-slips' ),
							'bulk'             => __( 'On bulk order action', 'woocommerce-pdf-invoices-packing-slips' ),
							'my_account'       => __( 'On my account', 'woocommerce-pdf-invoices-packing-slips' ),
							'email_attachment' => __( 'On email attachment', 'woocommerce-pdf-invoices-packing-slips' ),
							'document_data'    => __( 'On order document data (number and/or date set manually)', 'woocommerce-pdf-invoices-packing-slips' ),
						] )
					),
					'multiple'         => true,
					'enhanced_select'  => true,
					'description'      => __( 'Allows you to mark the document as printed, manually (in the order page) or automatically (based on the document creation context you have selected).', 'woocommerce-pdf-invoices-packing-slips' ),
				)
			),
			array(
				'type'     => 'setting',
				'id'       => 'unmark_printed',
				'title'    => __( 'Unmark as printed', 'woocommerce-pdf-invoices-packing-slips' ),
				'callback' => 'checkbox',
				'section'  => $this->type,
				'args'     => array(
					'option_name' => $option_name,
					'id'          => 'unmark_printed',
					'description' => __( 'Adds a link in the order page to allow to remove the printed mark.', 'woocommerce-pdf-invoices-packing-slips' ),
				)
			),
			array(
				'type'			=> 'setting',
				'id'			=> 'use_latest_settings',
				'title'			=> __( 'Always use most current settings', 'woocommerce-pdf-invoices-packing-slips' ),
				'callback'		=> 'checkbox',
				'section'		=> $this->type,
				'args'			=> array(
					'option_name'	=> $option_name,
					'id'			=> 'use_latest_settings',
					'description'	=> __( "When enabled, the document will always reflect the most current settings (such as footer text, document name, etc.) rather than using historical settings.", 'woocommerce-pdf-invoices-packing-slips' )
					                   . "<br>"
					                   . __( "<strong>Caution:</strong> enabling this will also mean that if you change your company name or address in the future, previously generated documents will also be affected.", 'woocommerce-pdf-invoices-packing-slips' ),
				)
			),
		);

		// remove/rename some fields when invoice number is controlled externally
		if ( apply_filters( 'woocommerce_invoice_number_by_plugin', false ) ) {
			$remove_settings = array( 'next_invoice_number', 'number_format', 'reset_number_yearly' );
			foreach ( $settings_fields as $key => $settings_field ) {
				if ( in_array( $settings_field['id'], $remove_settings ) ) {
					unset( $settings_fields[$key] );
				} elseif ( $settings_field['id'] == 'display_number' ) {
					// alternate description for invoice number
					$invoice_number_desc = __( 'Invoice numbers are created by a third-party extension.', 'woocommerce-pdf-invoices-packing-slips' );
					if ( $config_link = apply_filters( 'woocommerce_invoice_number_configuration_link', null ) ) {
						/* translators: link */
						$invoice_number_desc .= ' '.sprintf(__( 'Configure it <a href="%s">here</a>.', 'woocommerce-pdf-invoices-packing-slips' ), esc_attr( $config_link ) );
					}
					$settings_fields[$key]['args']['description'] = '<i>'.$invoice_number_desc.'</i>';
				}
			}
		}
		
		return apply_filters( "wpo_wcpdf_{$this->type}_pdf_settings_fields", $settings_fields, $option_name, $this );
	}
	
	/**
	 * UBL settings fields
	 */
	public function get_ubl_settings_fields( $option_name ) {
		$settings_fields = array(
			array(
				'type'     => 'section',
				'id'       => $this->type.'_ubl',
				'title'    => '',
				'callback' => 'section',
			),
			array(
				'type'     => 'setting',
				'id'       => 'enabled',
				'title'    => __( 'Enable', 'woocommerce-pdf-invoices-packing-slips' ),
				'callback' => 'checkbox',
				'section'  => $this->type.'_ubl',
				'args'     => array(
					'option_name' => $option_name,
					'id'          => 'enabled',
				)
			),
			array(
				'type'     => 'setting',
				'id'       => 'attach_to_email_ids',
				'title'    => __( 'Attach to:', 'woocommerce-pdf-invoices-packing-slips' ),
				'callback' => 'multiple_checkboxes',
				'section'  => $this->type.'_ubl',
				'args'     => array(
					'option_name'     => $option_name,
					'id'              => 'attach_to_email_ids',
					'fields_callback' => array( $this, 'get_wc_emails' ),
					/* translators: directory path */
					'description'     => ! is_writable( WPO_WCPDF()->main->get_tmp_path( 'attachments' ) ) ? '<span class="wpo-warning">' . sprintf( __( 'It looks like the temp folder (<code>%s</code>) is not writable, check the permissions for this folder! Without having write access to this folder, the plugin will not be able to email invoices.', 'woocommerce-pdf-invoices-packing-slips' ), WPO_WCPDF()->main->get_tmp_path( 'attachments' ) ).'</span>':'',
				)
			),
			array(
				'type'     => 'setting',
				'id'       => 'include_encrypted_pdf',
				'title'    => __( 'Include encrypted PDF:', 'woocommerce-pdf-invoices-packing-slips' ),
				'callback' => 'checkbox',
				'section'  => $this->type.'_ubl',
				'args'     => array(
					'option_name' => $option_name,
					'id'          => 'include_encrypted_pdf',
					'description' => __( 'Include the PDF Invoice file encrypted in the UBL file.', 'woocommerce-pdf-invoices-packing-slips' ),
				)
			),
		);
		
		return apply_filters( "wpo_wcpdf_{$this->type}_ubl_settings_fields", $settings_fields, $option_name, $this );
	}

	/**
	 * Document number title
	 */
	public function get_number_title() {
		$number_title = __( 'Invoice Number:', 'woocommerce-pdf-invoices-packing-slips' );
		return apply_filters( "wpo_wcpdf_{$this->slug}_number_title", $number_title, $this );
	}

	/**
	 * Document date title
	 */
	public function get_date_title() {
		$date_title = __( 'Invoice Date:', 'woocommerce-pdf-invoices-packing-slips' );
		return apply_filters( "wpo_wcpdf_{$this->slug}_date_title", $date_title, $this );
	}

}

endif; // class_exists