<?php

namespace App\Command;

use App\Ops\Backup;
use App\Ops\Updater;
use Symfony\Component\Console\Attribute\AsCommand;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Style\SymfonyStyle;

/**
 * Restoring is deliberately console only.
 *
 * A button that replaces the whole database does not belong next to a button that saves a page.
 * The administration shows which backups exist and whether they are intact; putting one back is a
 * decision made with a shell in hand.
 */
#[AsCommand(name: 'cms:restore', description: 'Puts a backup back in place: checks, safety copy, database, media.')]
final class RestoreCommand extends Command
{
    public function __construct(private Backup $backup, private Updater $updater)
    {
        parent::__construct();
    }

    protected function configure(): void
    {
        $this->addArgument('name', InputArgument::REQUIRED, 'Name der Sicherung, etwa sicherung-20260912-181159.')
            ->addOption('force', null, InputOption::VALUE_NONE, 'Auch eine Sicherung aus einer neueren Fassung einspielen.');
    }

    protected function execute(InputInterface $input, OutputInterface $output): int
    {
        $io = new SymfonyStyle($input, $output);
        $name = (string) $input->getArgument('name');

        if ($input->isInteractive() && !$io->confirm(sprintf('Die Datenbank wird durch %s ersetzt. Fortfahren?', $name), false)) {
            $io->writeln('Abgebrochen. Es wurde nichts verändert.');

            return Command::SUCCESS;
        }

        // The site says "come back later" while the database is being replaced.
        $this->updater->maintenance(true);
        $result = $this->backup->restore($name, (bool) $input->getOption('force'));
        foreach ($result['steps'] as $step) {
            $io->writeln(sprintf('%s %s: %s', $step['ok'] ? '  ok  ' : ' FEHLER', $step['step'], $step['detail']));
        }
        $this->updater->maintenance(false);

        if (!$result['ok']) {
            $io->error('Die Wiederherstellung ist nicht gelaufen. Die Installation ist unverändert.');

            return Command::FAILURE;
        }
        $io->success('Wiederhergestellt. Prüfe jetzt die Website und räume danach den Cache: php bin/console cache:clear --env=prod');

        return Command::SUCCESS;
    }
}