// src/backend/utils/onboardingDraftApi.js
import authFetch from '../../utils/authFetch.js';

const DRAFT_URL = '/api/premium/onboarding/draft';

export async function loadDraft() {
  const res = await authFetch(DRAFT_URL);
  if (res.status === 404) return null;
  if (!res.ok) throw new Error(`loadDraft failed: ${res.status}`);
  return res.json(); // -> { id, step, data } | null
}

export async function saveDraft({ id, step = 0, data = {} }) {
  const res = await authFetch(DRAFT_URL, {
    method: 'POST',
    body: JSON.stringify({ id, step, data })
  });
  if (!res.ok) throw new Error(`saveDraft failed: ${res.status}`);
  return res.json(); // -> { id, step }
}

export async function clearDraft() {
  const res = await authFetch(DRAFT_URL, { method: 'DELETE' });
  if (!res.ok) throw new Error(`clearDraft failed: ${res.status}`);
  return res.json(); // -> { ok: true }
}