<?php
/**
 * Field duplication module.
 *
 * @package FormPilot
 * @since   1.0.0
 */

declare( strict_types = 1 );

namespace FormPilot\Fields;

use FormPilot\Contracts\Hookable;
use FormPilot\Database\Repositories\FieldRepository;

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Copies the field set whenever a form is duplicated.
 *
 * The form repository fires `formpilot_form_duplicated` without touching fields, so
 * the two concerns stay in separate classes.
 *
 * @since 1.0.0
 */
final class Duplicator implements Hookable {

	/**
	 * Constructor.
	 *
	 * @param FieldRepository $fields Repository to copy through.
	 */
	public function __construct( private FieldRepository $fields ) {}

	/**
	 * Registers the module hooks.
	 */
	public function register_hooks(): void {
		add_action( 'formpilot_form_duplicated', array( $this, 'copy_fields' ), 10, 2 );
	}

	/**
	 * Copies the fields of the original form onto the copy.
	 *
	 * @param int $new_id    ID of the copy.
	 * @param int $source_id ID of the original.
	 */
	public function copy_fields( int $new_id, int $source_id ): void {
		$this->fields->copy_to_form( $source_id, $new_id );
	}
}