/**
 * Shared delivery/delivery-group utilities.
 * Single source of truth for isPickupOrder, getErrorMessage, normalizeNom, and STATUS_LABELS.
 */

// ── Pickup detection ──────────────────────────────────────────────────────

/**
 * Returns true if the order group is a pickup (self-pickup) order.
 * Uses canonical deliveryStatus field (mapper normalizes both delivery_status variants).
 */
export const isPickupOrder = (order) =>
  order?.deliveryType === "pickup" ||
  order?.deliveryStatus === "pickup" ||
  order?.delivery_status === "pickup";

// ── Error messages ────────────────────────────────────────────────────────

export const getErrorMessage = (error, fallbackMessage) => {
  if (!error) {
    return fallbackMessage;
  }
  if (error instanceof Error) {
    return error.message || fallbackMessage;
  }
  if (typeof error === "string") {
    return error || fallbackMessage;
  }
  return error?.message || fallbackMessage;
};

// ── Nom normalisation ──────────────────────────────────────────────────────

/**
 * 1C escapes backslashes: "СФ Т\\ЕА-33584" → normalise for comparison.
 */
export const normalizeNom = (nom) => {
  if (!nom) return "";
  return String(nom).replace(/\\\\/g, "\\").trim();
};

// ── Status labels ─────────────────────────────────────────────────────────

export const DELIVERY_STATUS_LABELS = {
  pending_confirmation: "Ожидает подтверждения",
  requires_address: "Требуется адрес",
  agreed: "Согласовано",
  driver_assigned: "Водитель назначен",
  loaded: "Загружен",
  on_route: "В пути",
  delivered: "Доставлено",
  problem: "Проблема",
  cancelled: "Отменено",
  pickup: "Самовывоз",
};

export const getOrderGroupDeliveryStatusLabel = (status) =>
  DELIVERY_STATUS_LABELS[status] || status || "Ожидает подтверждения";