// Generated, do not edit. sha256:8e7f997881d1fd01e18e1023544e1df65cb2a48e77ba25495de5fe5ba3785bef
import { setAppSetting } from '../app-settings.js';
import { t } from '../i18n/index.js';
import { serverFoutTekst } from '../data/_rpc.js';
import * as dialog from '../ui/dialog.js';

export async function backupDb() {
  const res = await dialog.form({
    title: t('dbfile.backup'),
    fields: [{ key: 'w1', label: t('dbfile.backupPass'), type: 'password' },
             { key: 'w2', label: t('dbfile.backupPassAgain'), type: 'password' }],
    confirmLabel: t('dbfile.backupConfirm'),
  });
  if (!res) return false;
  if (res.w1 !== res.w2) { dialog.alert({ title: t('dialog.error'), message: t('dbfile.backupPassMismatch') }); return false; }
  try {
    const r = await fetch('/api/db/backup', {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({ passphrase: res.w1 }),
    });
    if (!r.ok) throw new Error(serverFoutTekst(await r.json().catch(() => null)) || `HTTP ${r.status}`);
    const blob = await r.blob();
    const naam = (r.headers.get('Content-Disposition') || '').match(/filename="([^"]+)"/)?.[1] || 'assetapp.assetbak';
    const url = URL.createObjectURL(blob);
    const a = document.createElement('a');
    a.href = url; a.download = naam; a.click();
    URL.revokeObjectURL(url);
    await stempelBackup();
    await dialog.alert({ message: t('dbfile.backupDone') });
    return true;
  } catch (err) {
    dialog.alert({ title: t('dialog.error'), message: err.message });
    return false;
  }
}

export async function exportDb() {
  const a = document.createElement('a');
  a.href = '/api/db/export';
  a.download = '';
  a.click();
  await stempelBackup();
}

export function restoreDb(onChanged = () => {}) {
  const fileInput = document.createElement('input');
  fileInput.type = 'file';
  fileInput.accept = '.assetbak,.sqlite,.db';
  fileInput.onchange = async () => {
    const file = fileInput.files[0];
    if (!file) return;
    try {
      const kop = new Uint8Array(await file.slice(0, 15).arrayBuffer());
      const isBackup = new TextDecoder('latin1').decode(kop) === 'ASSETAPP-BACKUP';

      if (!(await dialog.confirm({
        message: isBackup ? t('dbfile.confirmRestoreBackup') : t('dbfile.confirmImport'), danger: true,
      }))) return;

      const headers = { 'Content-Type': 'application/octet-stream' };
      if (isBackup) {
        const res = await dialog.form({
          title: t('dbfile.import'),
          fields: [{ key: 'w', label: t('dbfile.backupPass'), type: 'password' }],
          confirmLabel: t('dbfile.import'),
        });
        if (!res) return;
        headers['X-Backup-Passphrase'] = res.w;
      }

      const res = await fetch('/api/db/import', { method: 'POST', headers, body: await file.arrayBuffer() });
      const json = await res.json().catch(() => null);
      if (!res.ok) throw new Error(serverFoutTekst(json) || `HTTP ${res.status}`);

      const regels = [`${t('dbfile.importDone')} (versie ${json.versie}).`];
      if (json.wezen) regels.push(`${t('dbfile.importOrphans')} ${json.wezen}`);
      regels.push(json.versleuteld ? `${t('dbfile.restoredSecrets')} ${json.geheimen}` : json.geheimenWaarschuwing);
      dialog.alert({ message: regels.join('\n\n') });
      onChanged();
    } catch (err) {
      dialog.alert({ title: t('dialog.error'), message: err.message });
    }
  };
  fileInput.click();
}

export async function startFresh(onChanged = () => {}) {
  if (!(await dialog.confirm({ message: t('dbfile.confirmFresh'), danger: true }))) return;
  const woord = t('dbfile.freshWord');
  const res = await dialog.form({
    title: t('dbfile.fresh'),
    fields: [{ key: 'w', label: `${t('dbfile.freshTypeLabel')} ${woord}`, type: 'text' }],
    confirmLabel: t('dbfile.fresh'),
  });
  if (!res) return;
  if ((res.w || '').trim().toLowerCase() !== woord.toLowerCase()) {
    dialog.alert({ title: t('dialog.error'), message: t('dbfile.freshWordMismatch') });
    return;
  }
  try {
    const r = await fetch('/api/db/fresh', { method: 'POST' });
    const json = await r.json().catch(() => null);
    if (!r.ok) throw new Error(serverFoutTekst(json) || `HTTP ${r.status}`);
    dialog.alert({ message: `${t('dbfile.freshDone')} (versie ${json.versie}).\n\n${json.geheimenWaarschuwing}` });
    onChanged();
  } catch (err) {
    dialog.alert({ title: t('dialog.error'), message: err.message });
  }
}

async function stempelBackup() {
  try { await setAppSetting('last_backup_at', new Date().toISOString()); } catch { }
  document.dispatchEvent(new CustomEvent('providers-changed'));
}