<?php

namespace App\Service;

use App\Repository\AlbumRepository;
use Doctrine\ORM\EntityManagerInterface;

class CatalogResetService
{
    public function __construct(
        private readonly EntityManagerInterface $entityManager,
        private readonly AlbumRepository $albumRepository,
    ) {
    }

    /**
     * Deletes all reviews and albums from the catalog and returns summary counts.
     *
     * @return array{albums:int,reviews:int}
     */
    public function resetCatalog(): array
    {
        $deletedReviews = $this->entityManager->createQuery('DELETE FROM App\Entity\Review r')->execute();

        $albums = $this->albumRepository->findAll();
        $albumCount = count($albums);
        foreach ($albums as $album) {
            // Remove entities one-by-one so Doctrine cascades delete related tracks/reviews as configured.
            $this->entityManager->remove($album);
        }
        $this->entityManager->flush();

        return [
            'albums' => $albumCount,
            'reviews' => $deletedReviews,
        ];
    }
}