<?php
declare(strict_types=1);

namespace Phred\Providers\Core;

use DI\Container;
use DI\ContainerBuilder;
use League\Flysystem\Filesystem;
use League\Flysystem\FilesystemOperator;
use League\Flysystem\Local\LocalFilesystemAdapter;
use Phred\Support\Contracts\ConfigInterface;
use Phred\Support\Contracts\ServiceProviderInterface;

final class StorageServiceProvider implements ServiceProviderInterface
{
    public function register(ContainerBuilder $builder, ConfigInterface $config): void
    {
        $builder->addDefinitions([
            FilesystemOperator::class => \DI\get(Filesystem::class),
            Filesystem::class => function (ConfigInterface $config) {
                $default = $config->get('storage.default', 'local');
                $diskConfig = $config->get("storage.disks.$default");

                if (!$diskConfig) {
                    throw new \RuntimeException("Storage disk [$default] is not configured.");
                }

                $driver = $diskConfig['driver'] ?? 'local';

                if ($driver !== 'local') {
                    throw new \RuntimeException("Unsupported storage driver [$driver]. Only 'local' is supported currently.");
                }

                $root = $diskConfig['root'];
                $adapter = new LocalFilesystemAdapter($root);

                return new Filesystem($adapter);
            },
        ]);
    }

    public function boot(Container $container): void {}
}