Email_Notifications::register_template_tag_handlers()

	protected function register_template_tag_handlers() {
		$tags = array(
			'sitetitle'          => array(
				'group'       => 'global',
				'label'       => __( 'Site Title', 'torro-forms' ),
				'description' => __( 'Inserts the site title.', 'torro-forms' ),
				'callback'    => function() {
					return get_bloginfo( 'name' );
				},
			),
			'sitetagline'        => array(
				'group'       => 'global',
				'label'       => __( 'Site Tagline', 'torro-forms' ),
				'description' => __( 'Inserts the site tagline.', 'torro-forms' ),
				'callback'    => function() {
					return get_bloginfo( 'description' );
				},
			),
			'siteurl'            => array(
				'group'       => 'global',
				'label'       => __( 'Site URL', 'torro-forms' ),
				'description' => __( 'Inserts the site home URL.', 'torro-forms' ),
				'callback'    => function() {
					return home_url( '/' );
				},
			),
			'adminemail'         => array(
				'group'       => 'global',
				'label'       => __( 'Site Admin Email', 'torro-forms' ),
				'description' => __( 'Inserts the site admin email.', 'torro-forms' ),
				'callback'    => function() {
					return get_option( 'admin_email' );
				},
			),
			'userip'             => array(
				'group'       => 'global',
				'label'       => __( 'User IP', 'torro-forms' ),
				'description' => __( 'Inserts the current user IP address.', 'torro-forms' ),
				'callback'    => function() {
					$validated_ip = filter_var( $_SERVER['REMOTE_ADDR'], FILTER_VALIDATE_IP );
					if ( empty( $validated_ip ) ) {
						return '0.0.0.0';
					}
					return $validated_ip;
				},
			),
			'refererurl'         => array(
				'group'       => 'global',
				'label'       => __( 'Referer URL', 'torro-forms' ),
				'description' => __( 'Inserts the current referer URL.', 'torro-forms' ),
				'callback'    => function() {
					return wp_get_referer();
				},
			),
			'formtitle'          => array(
				'group'       => 'form',
				'label'       => __( 'Form Title', 'torro-forms' ),
				'description' => __( 'Inserts the form title.', 'torro-forms' ),
				'callback'    => function( $form ) {
					return $form->title;
				},
			),
			'formurl'            => array(
				'group'       => 'form',
				'label'       => __( 'Form URL', 'torro-forms' ),
				'description' => __( 'Inserts the URL to the form.', 'torro-forms' ),
				'callback'    => function( $form ) {
					return get_permalink( $form->id );
				},
			),
			'formediturl'        => array(
				'group'       => 'form',
				'label'       => __( 'Form Edit URL', 'torro-forms' ),
				'description' => __( 'Inserts the edit URL for the form.', 'torro-forms' ),
				'callback'    => function( $form ) {
					return get_edit_post_link( $form->id );
				},
			),
			'submissionurl'      => array(
				'group'       => 'submission',
				'label'       => __( 'Submission URL', 'torro-forms' ),
				'description' => __( 'Inserts the URL to the submission.', 'torro-forms' ),
				'callback'    => function( $form, $submission ) {
					return add_query_arg( 'torro_submission_id', $submission->id, get_permalink( $form->id ) );
				},
			),
			'submissionediturl' => array(
				'group'       => 'submission',
				'label'       => __( 'Submission Edit URL', 'torro-forms' ),
				'description' => __( 'Inserts the edit URL for the submission.', 'torro-forms' ),
				'callback'    => function( $form, $submission ) {
					return add_query_arg( 'id', $submission->id, torro()->admin_pages()->get( 'edit_submission' )->url );
				},
			),
			'submissiondatetime' => array(
				'group'       => 'submission',
				'label'       => __( 'Submission Date and Time', 'torro-forms' ),
				'description' => __( 'Inserts the submission date and time.', 'torro-forms' ),
				'callback'    => function( $form, $submission ) {
					$date = $submission->format_datetime( get_option( 'date_format' ), false );
					$time = $submission->format_datetime( get_option( 'time_format' ), false );

					/* translators: 1: formatted date, 2: formatted time */
					return sprintf( _x( '%1$s at %2$s', 'concatenating date and time', 'torro-forms' ), $date, $time );
				},
			),
		);

		$complex_tags = array(
			'allelements'        => array(
				'group'       => 'submission',
				'label'       => __( 'All Element Values', 'torro-forms' ),
				'description' => __( 'Inserts all element values from the submission.', 'torro-forms' ),
				'callback'    => function( $form, $submission ) {
					$element_columns = array();
					foreach ( $form->get_elements() as $element ) {
						$element_type = $element->get_element_type();
						if ( ! $element_type ) {
							continue;
						}

						$element_columns[ $element->id ] = array(
							'columns'  => $element_type->get_export_columns( $element ),
							'callback' => function( $values ) use ( $element, $element_type ) {
								return $element_type->format_values_for_export( $values, $element, 'html' );
							},
						);
					}

					$element_values = $submission->get_element_values_data();

					$output = '<table style="width:100%;">';

					foreach ( $element_columns as $element_id => $data ) {
						$values = isset( $element_values[ $element_id ] ) ? $element_values[ $element_id ] : array();

						$column_values = call_user_func( $data['callback'], $values );

						foreach ( $data['columns'] as $slug => $label ) {
							$output .= '<tr>';
							$output .= '<th scope="row">' . esc_html( $label ) . '</th>';
							$output .= '<td>' . esc_html( $column_values[ $slug ] ) . '</td>';
							$output .= '</tr>';
						}
					}

					$output .= '</table>';

					return $output;
				},
			),
		);

		$groups = array(
			'global'     => _x( 'Global', 'template tag group', 'torro-forms' ),
			'form'       => _x( 'Form', 'template tag group', 'torro-forms' ),
			'submission' => _x( 'Submission', 'template tag group', 'torro-forms' ),
		);

		$this->template_tag_handler            = new Template_Tag_Handler( $this->slug, $tags, array( Form::class, Submission::class ), $groups );
		$this->template_tag_handler_email_only = new Template_Tag_Handler( $this->slug . '_email_only', array( 'adminemail' => $tags['adminemail'] ), array( Form::class, Submission::class ), array( 'global' => $groups['global'] ) );
		$this->template_tag_handler_complex    = new Template_Tag_Handler( $this->slug . '_complex', array_merge( $tags, $complex_tags ), array( Form::class, Submission::class ), $groups );

		$this->module->manager()->template_tag_handlers()->register( $this->template_tag_handler );
		$this->module->manager()->template_tag_handlers()->register( $this->template_tag_handler_email_only );
		$this->module->manager()->template_tag_handlers()->register( $this->template_tag_handler_complex );
	}