<?php

namespace App\Console\Commands;

use Illuminate\Console\Command;

class MigrateConfigNames extends Command
{
    protected $signature = 'clubird:migrate-config-names {--dry-run : Nur anzeigen was gemacht würde}';
    protected $description = 'Benennt server-seitige Config-Dateien von mailwolt-* auf generische Namen um';

    private array $renames = [
        '/etc/rspamd/local.d/mailwolt-actions.conf'      => '/etc/rspamd/local.d/actions.conf',
        '/etc/dovecot/conf.d/99-mailwolt-tls.conf'       => '/etc/dovecot/conf.d/99-tls.conf',
        '/etc/postfix/mailwolt-tls.cf'                   => '/etc/postfix/tls.cf',
        '/etc/fail2ban/jail.d/mailwolt-whitelist.local'  => '/etc/fail2ban/jail.d/whitelist.local',
        '/etc/fail2ban/jail.d/00-mailwolt-defaults.local'=> '/etc/fail2ban/jail.d/00-defaults.local',
    ];

    public function handle(): int
    {
        $dry = $this->option('dry-run');

        foreach ($this->renames as $old => $new) {
            if (!file_exists($old)) {
                $this->line("  <fg=gray>übersprungen</> {$old} (nicht vorhanden)");
                continue;
            }

            if (file_exists($new) && !is_link($new)) {
                $this->line("  <fg=yellow>bereits vorhanden</> {$new}");
                continue;
            }

            if ($dry) {
                $this->line("  <fg=cyan>[dry-run]</> mv {$old} → {$new}");
                continue;
            }

            // Als root direkt umbenennen; als www-data via sudo (sudo mv muss in sudoers sein)
            if (posix_getuid() === 0) {
                $ok = @rename($old, $new);
                $errMsg = error_get_last()['message'] ?? '';
            } else {
                @exec('sudo -n mv ' . escapeshellarg($old) . ' ' . escapeshellarg($new) . ' 2>&1', $out, $rc);
                $ok = ($rc === 0);
                $errMsg = implode(' ', $out);
            }

            if ($ok) {
                $this->info("  umbenannt: {$old} → {$new}");
            } else {
                $this->error("  FEHLER bei {$old}: {$errMsg}");
                $this->line("    → manuell: <fg=yellow>mv {$old} {$new}</>");
            }
        }

        if (!$dry) {
            $this->info('Fertig. Dienste ggf. neu starten: rspamd, dovecot, postfix, fail2ban');
        }

        return self::SUCCESS;
    }
}