<?php

declare(strict_types=1);

namespace Symplify\SmartFileSystem;

/**
 * @see \Symplify\SmartFileSystem\Tests\FileSystemFilter\FileSystemFilterTest
 */
final class FileSystemFilter
{
    /**
     * @param string[] $filesAndDirectories
     * @return string[]
     */
    public function filterDirectories(array $filesAndDirectories): array
    {
        $directories = array_filter($filesAndDirectories, function (string $path): bool {
            return ! is_file($path);
        });

        return array_values($directories);
    }

    /**
     * @param string[] $filesAndDirectories
     * @return string[]
     */
    public function filterFiles(array $filesAndDirectories): array
    {
        $files = array_filter($filesAndDirectories, function (string $path): bool {
            return is_file($path);
        });

        return array_values($files);
    }
}