import { http } from './http.js';

/**
 * Append-only stock and payment ledger.
 * Entry = { id, manifestarticle_id, sku, transaction_type, amount, transaction_text, hash_version, prev_hash, created_at }
 * Input = { manifestarticle_id, transaction_type, amount, transaction_text }
 */
export const ledger = {
  /**
   * POST /api/ledger
   * Body: { manifestarticle_id, transaction_type, amount, transaction_text }
   * → 201 { ledger: LedgerEntry }
   */
  // #region POST /api/ledger — add
  add(body) {
    return http('/api/ledger', { method: 'POST', body });
  },
  // #endregion

  /**
   * GET /api/ledger/manifestarticle/:manifestarticleId
   * Query: ?transaction_type=...
   * → 200 { ledger: LedgerEntry[] }
   */
  // #region GET /api/ledger/manifestarticle/:manifestarticleId — listByManifestarticleId
  listByManifestarticleId(manifestarticleId, transactionType) {
    const query = transactionType ? `?transaction_type=${encodeURIComponent(transactionType)}` : '';
    return http(`/api/ledger/manifestarticle/${encodeURIComponent(manifestarticleId)}${query}`);
  },
  // #endregion

  /**
   * GET /api/ledger/sku/:sku
   * Query: ?transaction_type=...
   * → 200 { ledger: LedgerEntry[] }
   */
  // #region GET /api/ledger/sku/:sku — listBySku
  listBySku(sku, transactionType) {
    const query = transactionType ? `?transaction_type=${encodeURIComponent(transactionType)}` : '';
    return http(`/api/ledger/sku/${encodeURIComponent(sku)}${query}`);
  },
  // #endregion

  /**
   * GET /api/ledger
   * Query: { manifestarticle_id?, sku?, transaction_type? }
   * → 200 { ledger: LedgerEntry[] }
   */
  // #region GET /api/ledger — list
  list(query) {
    const params = new URLSearchParams();
    if (query?.manifestarticle_id != null) params.set('manifestarticle_id', query.manifestarticle_id);
    if (query?.manifestarticleId != null) params.set('manifestarticle_id', query.manifestarticleId);
    if (query?.sku != null) params.set('sku', query.sku);
    if (query?.transaction_type != null) params.set('transaction_type', query.transaction_type);
    if (query?.transactionType != null) params.set('transaction_type', query.transactionType);
    const qs = params.toString();
    return http(`/api/ledger${qs ? `?${qs}` : ''}`);
  },
  // #endregion
};