<?php
declare(strict_types=1);

namespace Esun\FileManager\Model;

use Magento\Framework\App\Filesystem\DirectoryList;
use Magento\Framework\Exception\LocalizedException;
use Magento\Framework\Filesystem;
use Magento\Framework\Filesystem\Directory\WriteInterface;
use Esun\FileManager\Model\ResourceModel\File as FileResource;

class DeleteService
{
    private WriteInterface $mediaDirectory;

    public function __construct(
        Filesystem $filesystem,
        private readonly FileResource $fileResource
    ) {
        $this->mediaDirectory = $filesystem->getDirectoryWrite(DirectoryList::MEDIA);
    }

    /**
     * @throws LocalizedException
     */
    public function delete(File $file): void
    {
        $relativePath = str_replace('\\', '/', (string) $file->getData('filepath'));
        if (!preg_match('#^uploads(?:/[\p{L}\p{N}._-]+)+$#u', $relativePath)
            || str_contains($relativePath, '..')
        ) {
            throw new LocalizedException(__('The stored file path is invalid.'));
        }

        $connection = $this->fileResource->getConnection();
        $connection->beginTransaction();
        try {
            $this->fileResource->delete($file);
            if ($this->mediaDirectory->isFile($relativePath)) {
                $this->mediaDirectory->delete($relativePath);
            }
            $connection->commit();
        } catch (\Throwable $exception) {
            $connection->rollBack();
            throw new LocalizedException(__('The file could not be deleted.'), $exception);
        }
    }
}