<?php

/*
 * This file is part of the flysystem-bundle project.
 *
 * (c) Titouan Galopin <galopintitouan@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace League\FlysystemBundle\Lazy;

use League\Flysystem\FilesystemOperator;
use Psr\Container\ContainerInterface;

/**
 * @author Titouan Galopin <galopintitouan@gmail.com>
 *
 * @internal
 */
final class LazyFactory
{
    private ContainerInterface $storages;

    public function __construct(ContainerInterface $storages)
    {
        $this->storages = $storages;
    }

    public function createStorage(string $source, string $storageName): FilesystemOperator
    {
        if ($source === $storageName) {
            throw new \InvalidArgumentException('The "lazy" adapter source is referring to itself as "'.$source.'", which would lead to infinite recursion.');
        }

        if (!$this->storages->has($source)) {
            throw new \InvalidArgumentException('You have requested a non-existent source storage "'.$source.'" in lazy storage "'.$storageName.'".');
        }

        return $this->storages->get($source);
    }
}