<?php
/**
 * GDPR personal-data exporter for order-intent drafts.
 *
 * @package Bookline
 */

declare( strict_types=1 );

namespace Bookline\Application\Privacy;

use Bookline\Domain\OrderIntent\OrderIntentRepository;

/**
 * Exports customer_draft data from open and abandoned intents matched by email.
 *
 * @since 0.1.0
 */
final class OrderIntentPersonalDataExporter {

	/**
	 * Constructor.
	 *
	 * @param OrderIntentRepository $intents Intent port.
	 */
	public function __construct(
		private readonly OrderIntentRepository $intents,
	) {}

	/**
	 * WordPress exporter callback.
	 *
	 * @param string $email_address Email.
	 * @param int    $page          Page (1-based).
	 * @return array{data: list<array{group_id: string, group_label: string, item_id: string, data: list<array{name: string, value: string}>}>, done: bool}
	 *
	 * @since 0.1.0
	 */
	public function export( string $email_address, int $page = 1 ): array {
		unset( $page );
		$intents = $this->intents->find_by_draft_email( $email_address );
		$data    = [];
		foreach ( $intents as $intent ) {
			$id = $intent->id();
			if ( null === $id ) {
				continue;
			}
			$draft = $intent->customer_draft() ?? [];
			$rows  = [
				[
					'name'  => __( 'Intent status', 'buildler' ),
					'value' => $intent->status()->value,
				],
				[
					'name'  => __( 'Current step', 'buildler' ),
					'value' => (string) ( $intent->current_step() ?? '' ),
				],
			];
			foreach ( $draft as $key => $value ) {
				if ( ! is_string( $key ) ) {
					continue;
				}
				$rows[] = [
					'name'  => $key,
					'value' => is_scalar( $value ) ? (string) $value : (string) wp_json_encode( $value ),
				];
			}
			$data[] = [
				'group_id'    => 'bookline-order-intents',
				'group_label' => __( 'Bookline booking drafts', 'buildler' ),
				'item_id'     => 'bookline-order-intent-' . $id,
				'data'        => $rows,
			];
		}

		return [
			'data' => $data,
			'done' => true,
		];
	}
}