// submit.js — contribute-a-part flow: AI auto-fill from datasheet + submission to Corben functions.
const API = 'https://api.corben.world';
const FN_AUTOFILL = 'd4f34d9c-6e8f-4328-89a2-b3c3b79017db';
const TK_AUTOFILL = '3f5dc4a97de91e7e9117b9a12a3061f6';
const FN_SUBMIT = 'b02d634b-cd6d-414d-bf9c-80cf6cc2ccdc';
const TK_SUBMIT = '9c3ed2ece766bcc18ed7d33996bfeb86';
const $ = (id) => document.getElementById(id);

async function invoke(fn, token, payload) {
  const r = await fetch(`${API}/functions/${fn}/invoke?token=${token}`, {
    method: 'POST', headers: window.ppcbAuth(), body: JSON.stringify(payload) });   // authed: sends the session token
  return r.json();
}

$('autofill').onclick = async (e) => {
  e.preventDefault();
  const mpn = $('mpn').value.trim();
  if (!mpn && !$('description').value.trim()) { $('af-status').textContent = 'Enter an MPN or paste datasheet text first.'; return; }
  $('autofill').disabled = true; $('af-status').innerHTML = '<span class="spin"></span> drafting from datasheet…';
  try {
    const d = await invoke(FN_AUTOFILL, TK_AUTOFILL, { mpn, class: $('class').value, description: $('description').value.trim() });
    if (!d.ok) throw new Error(d.error || 'autofill failed');
    const s = d.suggested;
    if (s.summary) $('summary').value = s.summary;
    if (s.when_to_use) $('when_to_use').value = s.when_to_use;
    if (s.use_cases) $('use_cases').value = s.use_cases.join('\n');
    if (s.params) $('params').value = s.params.map((p) => `${p.name}: ${p.value}${p.unit ? ' ' + p.unit : ''}`).join('\n');
    if (s.spice_model) $('spice').value = s.spice_model;
    const t = s.requirements_tags || {};
    if (t.package && !$('package').value) $('package').value = t.package;
    if (t.class && !$('class').value) $('class').value = t.class;
    $('af-status').innerHTML = '✓ drafted — <b style="color:var(--acc)">review every field</b> before submitting.';
  } catch (err) { $('af-status').textContent = '⚠ ' + err.message; }
  $('autofill').disabled = false;
};

$('model3d').onchange = () => { const f = $('model3d').files[0]; if (f) $('drop-label').textContent = '✓ ' + f.name; };

$('submit').onclick = async () => {
  const parseParams = (t) => t.split('\n').map((l) => l.trim()).filter(Boolean).map((l) => {
    const [n, ...rest] = l.split(':'); const v = rest.join(':').trim(); const m = v.match(/^([\d.\-+/]+)\s*(.*)$/);
    return { name: n.trim(), value: m ? m[1] : v, unit: m ? m[2] : '' };
  });
  const part = {
    mpn: $('mpn').value.trim(), name: $('mpn').value.trim(), class: $('class').value,
    manufacturer: $('manufacturer').value.trim(), package: $('package').value.trim(),
    datasheet_url: $('datasheet_url').value.trim(), summary: $('summary').value.trim(),
    when_to_use: $('when_to_use').value.trim(),
    use_cases: $('use_cases').value.split('\n').map((l) => l.trim()).filter(Boolean),
    params: parseParams($('params').value), spice: $('spice').value.trim(),
    model_3d_name: $('model3d').files[0] ? $('model3d').files[0].name : '',
  };
  const email = $('email').value.trim();
  $('submit').disabled = true; $('sub-status').innerHTML = '<span class="spin"></span> submitting…';
  try {
    const d = await invoke(FN_SUBMIT, TK_SUBMIT, { email, part });
    if (!d.ok) throw new Error(d.error || 'submit failed');
    document.querySelector('.form').innerHTML = `<h1 class="dh1">Thank you — submitted for review ✓</h1>
      <div class="banner">Your part <b>${part.mpn}</b> is queued for curation review. <b>+5 download credits</b> added — you now have <b>${d.credits}</b>.
      <br><br>Ref: <code>${d.sub_id}</code></div><a class="btn" href="/">Browse the catalog →</a>`;
  } catch (err) { $('sub-status').textContent = '⚠ ' + err.message; $('submit').disabled = false; }
};