<?php
/**
 * Native registration result mapper.
 *
 * @package ZeroSpamForms
 */

namespace TwoOTwoCode\ZeroSpamForms\Integrations\WordPress\Auth;

defined( 'ABSPATH' ) || exit;

use TwoOTwoCode\ZeroSpamForms\Engine\SpamDecision;
use TwoOTwoCode\ZeroSpamForms\Integrations\IntegrationResultMapper;

/**
 * Maps engine decisions to native registration errors.
 */
final class RegistrationResultMapper extends IntegrationResultMapper {
	/**
	 * Map a decision onto native registration validation.
	 *
	 * @param SpamDecision $decision Engine decision.
	 * @param mixed        $errors   Existing registration errors.
	 *
	 * @return mixed|\WP_Error
	 */
	public function map_registration_errors( SpamDecision $decision, $errors ) {
		if ( ! $this->should_block( $decision ) || ! class_exists( 'WP_Error' ) ) {
			return $errors;
		}

		if ( ! $errors instanceof \WP_Error ) {
			$errors = new \WP_Error();
		}

		$errors->add(
			'zero_spam_forms_registration_blocked',
			$this->get_visitor_message( $decision )
		);

		return $errors;
	}
}