<?php
/**
 * Geplanter Backup-Lauf (für Managed-Cron aus dem Backup-Bereich).
 * Aufruf:  php cli/backup_scheduled.php <backup_id>
 * Legt eine Run-Zeile an (trigger=cron) und startet den Orchestrator über BackupService.
 */
if (PHP_SAPI !== 'cli') { fwrite(STDERR, "CLI only\n"); exit(2); }
require __DIR__ . '/../app/bootstrap.php';

$bid = (int)($argv[1] ?? 0);
if (!$bid) { fwrite(STDERR, "usage: backup_scheduled.php <backup_id>\n"); exit(2); }

$job = ServerBackup::find($bid);
if (!$job) { fwrite(STDERR, "Backup #$bid nicht gefunden.\n"); exit(1); }
if ((int)$job['active'] !== 1) { fwrite(STDOUT, "Backup #$bid inaktiv – übersprungen.\n"); exit(0); }
if (!BackupService::configured()) { fwrite(STDERR, "Backup-Wrapper nicht konfiguriert.\n"); exit(1); }

$now = date('Y-m-d H:i:s');
$rid = ServerBackupRun::insert(array('backup_id' => $bid, 'started_at' => $now,
    'status' => 'running', 'trigger' => 'cron', 'created_at' => $now));
$r = BackupService::run($bid, $rid);
if (empty($r['ok'])) {
    ServerBackupRun::update($rid, array('status' => 'failed', 'finished_at' => date('Y-m-d H:i:s'), 'log' => $r['err']));
    fwrite(STDERR, "Start fehlgeschlagen: " . ($r['err'] ?: 'unbekannt') . "\n");
    exit(1);
}
fwrite(STDOUT, "Backup #$bid gestartet (run $rid).\n");
exit(0);