<?php
namespace ILJ\Helper;

use ILJ\Backend\Editor;
use ILJ\Core\LinkBuilder;
use ILJ\Core\Links\Text_To_Link_Converter_Factory;
use ILJ\Core\Options;
use ILJ\Posttypes\CustomLinks;
use ILJ\Helper\Misc;

/**
 * This is where custom meta data output is filtered
 *
 * @package ILJ\Helper
 * @since   2.0.0
 */
class CustomMetaData {

	/**
	 * LinkBuilder for postmeta
	 *
	 * @var LinkBuilder
	 */
	private $link_builder_postmeta;

	/**
	 * LinkBuilder for termmeta
	 *
	 * @var LinkBuilder
	 */
	private $link_builder_termmeta;

	const ILJ_MUFFIN_BUILDER_META_FIELD = 'mfn-page-items';
	const ILJ_OXYGEN_BUILDER_META_FIELD = 'ct_builder_shortcodes';

	

	

	/**
	 * Determines if the custom field can be linked.
	 *
	 * @param string $meta_key
	 * @param array  $saved_custom_fields
	 *
	 * @return boolean
	 */
	private function can_field_be_linked($meta_key, $saved_custom_fields) {
		if (in_array($meta_key, $saved_custom_fields)) {
			return true;
		}
		// we can check if we have any regex rules inside the configured options.
		foreach ($saved_custom_fields as $regex_rule) {
			if (!Regex_Custom_Field::is_valid_rule($regex_rule)) {
				continue;
			}
			$rule = Regex_Custom_Field::from($regex_rule);
			if ($rule->meta_key_matches_rule($meta_key)) {
				return true;
			}

		}

		return false;
	}
}