// CRUD-операции с функциями (создание, редактирование, удаление)

function onLangChange() {
  var lang = document.getElementById('c-lang').value;
  var t = LANG_TEMPLATES[lang];
  if (t) {
    document.getElementById('c-entry').value = t.entrypoint;
    document.getElementById('c-code').value = t.code;
  }
}

function openCreate() {
  document.getElementById('c-lang').value = 'python';
  onLangChange();
  document.getElementById('c-timeout').value = '60';
  document.getElementById('c-schedule-enabled').checked = false;
  document.getElementById('c-cron').value = '';
  toggleScheduleFields('c');
  document.getElementById('create-modal').classList.add('open');
  document.getElementById('c-name').focus();
}

function closeCreate() {
  document.getElementById('create-modal').classList.remove('open');
}

async function submitCreate() {
  const btn = document.getElementById('c-submit');
  btn.disabled = true;
  const progress = startTimedStatus('Создаём функцию...', 'Создание функции...', explainDelay);
  try {
    const name = document.getElementById('c-name').value.trim();
    if (!name) throw new Error('name is required');
    const lang = document.getElementById('c-lang').value.trim();
    if (!lang) throw new Error('language is required');

    await requestJSON(API_BASE + '/functions', 'POST', {
      name: name,
      language: lang,
      entrypoint: document.getElementById('c-entry').value.trim(),
      route: document.getElementById('c-route').value.trim(),
      methods: parseMethods(document.getElementById('c-methods').value),
      timeout: parseTimeout(document.getElementById('c-timeout').value),
      code: document.getElementById('c-code').value
    });

    try {
      await syncScheduleForFunction(name, 'c');
    } catch (scheduleErr) {
      try {
        await requestJSON(API_BASE + '/functions/' + encodeURIComponent(name), 'DELETE');
      } catch (rollbackErr) {
        scheduleErr.message += '; rollback failed: ' + rollbackErr.message;
      }
      throw scheduleErr;
    }

    closeCreate();
    progress.stop('\u0424\u0443\u043d\u043a\u0446\u0438\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0430: ' + name, 'ok');
    await reloadAll();
  } catch (e) {
    progress.stop('\u041e\u0448\u0438\u0431\u043a\u0430 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f: ' + e.message, 'err');
  } finally {
    btn.disabled = false;
  }
}