'use strict';
// ---- "Save to Files": copy a book, free audiobook or Verse By Verse lesson into your Seafile. You pick the library and folder; the hub does the downloading and
// uploading (a whole study keeps going in the background), skips what is already there, and tells you when it is done.
const sfLoc = () => { try { return JSON.parse(localStorage.getItem('save_loc:' + (ME ? ME.id : ''))); } catch { return null; } };
async function saveToFiles(title, body) {
  if (!allowed('files')) return toast('Your account does not have Files');
  if (!sf.token()) return toast('Open Files and sign in first', { label: 'Files', run: () => { location.hash = '#/files'; } });
  const dst = await chooseFolder('Save “' + title + '” in…', sfLoc(), { newFolder: true }); if (!dst) return;
  try { localStorage.setItem('save_loc:' + (ME ? ME.id : ''), JSON.stringify(dst)); } catch {}
  let job; try { job = await jfetch('/api/save/', { method: 'POST', headers: { 'content-type': 'application/json' }, body: JSON.stringify({ ...body, repo: dst.repo, dir: dst.dir }) }); } catch (e) { return toast(e.message); }
  sfProgress(job, dst);
}
function sfProgress(job, dst) {
  let hidden = false, el = null;
  const where = () => (dst.repoName || 'Files') + (dst.dir === '/' ? '' : dst.dir) + '/' + job.where;
  const open = () => { location.hash = '#/files/' + encodeURIComponent(dst.repo) + (dst.dir + '/' + job.where).split('/').filter(Boolean).map(s => '/' + encodeURIComponent(s)).join(''); };
  const draw = () => {
    if (!el || !document.body.contains(el)) return; const n = job.done + job.skipped + job.missing + job.failed, pct = job.total ? Math.round(n / job.total * 100) : 100;
    el.querySelector('#sfb').innerHTML = `<p class="sub" style="margin:0 0 8px;word-break:break-word">${esc(where())}</p><div style="height:8px;border-radius:99px;background:var(--panel2);overflow:hidden"><div style="height:100%;width:${pct}%;background:var(--accent);transition:width .3s"></div></div>
      <p style="margin:10px 0 0">${job.state === 'running' ? `Saving ${Math.min(n + 1, job.total)} of ${job.total}…` : job.state === 'done' ? 'Done' : job.state === 'cancelled' ? 'Stopped' : 'Could not finish'}</p>${job.current && job.state === 'running' ? `<p class="sub" style="margin:2px 0 0;word-break:break-word">${esc(job.current)}</p>` : ''}
      <p class="sub" style="margin:6px 0 0">${esc(sfSummary(job))}</p>${job.error ? `<div class="err">${esc(job.error)}</div>` : ''}${job.errors.length && !job.error ? `<div class="err" style="font-size:13px">${job.errors.map(esc).join('<br>')}</div>` : ''}`;
    const b = el.querySelector('#sfx'); b.textContent = job.state === 'running' ? 'Stop' : 'Close'; el.querySelector('#sfh').hidden = job.state !== 'running'; el.querySelector('#sfo').hidden = job.state === 'running' || !job.done && !job.skipped;
  };
  el = openSheet('Saving to Files', job.label, '<div id="sfb"></div><div class="bar"><button class="btn ghost" id="sfx" style="flex:1;justify-content:center">Stop</button><button class="btn ghost" id="sfh" style="flex:1;justify-content:center">Hide</button><button class="btn" id="sfo" hidden style="flex:1;justify-content:center">Open folder</button></div>');
  el.querySelector('#sfx').onclick = async () => { if (job.state === 'running') { try { await fetch('/api/save/job/' + job.id, { method: 'DELETE' }); } catch {} } else closeSheet(); };
  el.querySelector('#sfh').onclick = () => { hidden = true; closeSheet(); toast('Saving in the background'); };
  el.querySelector('#sfo').onclick = () => { closeSheet(); open(); };
  draw();
  const tick = async () => {
    try { job = await jfetch('/api/save/job/' + job.id); } catch (e) { if (e.status === 404) return; setTimeout(tick, 4000); return; }
    draw();
    if (job.state === 'running') return setTimeout(tick, 1200);
    if (hidden || !document.body.contains(el)) toast(job.state === 'done' ? `Saved ${job.done} file${job.done === 1 ? '' : 's'} to Files` + (job.failed ? `, ${job.failed} failed` : '') : job.error || 'Saving stopped', job.done || job.skipped ? { label: 'Open', run: open } : undefined);
  };
  setTimeout(tick, 800);
}
const sfSummary = j => [j.done && `${j.done} saved`, j.skipped && `${j.skipped} already there`, j.missing && `${j.missing} with no handout`, j.failed && `${j.failed} failed`].filter(Boolean).join(' · ');