/**
 * Allowlisted columns a user may read from their own payment orders.
 * Sensitive settlement material (epay_trade_no, raw_notify_payload_hash,
 * user_id, full snapshots) is deliberately excluded.
 */
export const PAYMENT_ORDERS_SELECT = [
  "order_no",
  "product_code",
  "product_snapshot",
  "money_cents",
  "status",
  "grant_status",
  "created_at",
  "paid_at",
] as const;

export type PaymentOrderRow = {
  order_no: string;
  product_code: string | null;
  product_snapshot: { name?: string } | null;
  money_cents: number;
  status: string;
  grant_status: string;
  created_at: Date | string;
  paid_at: Date | string | null;
};

export type PaymentOrderSummary = {
  orderNo: string;
  product: string | null;
  name: string | null;
  price: number;
  status: string;
  grantStatus: string;
  createdAt: string;
  paidAt: string | null;
};

function toIso(value: Date | string): string {
  return value instanceof Date ? value.toISOString() : value;
}

export function formatPaymentOrders(
  rows: readonly PaymentOrderRow[],
): PaymentOrderSummary[] {
  return rows.map((row) => ({
    orderNo: row.order_no,
    product: row.product_code,
    name: row.product_snapshot?.name ?? row.product_code,
    price: row.money_cents,
    status: row.status,
    grantStatus: row.grant_status,
    createdAt: toIso(row.created_at),
    paidAt: row.paid_at ? toIso(row.paid_at) : null,
  }));
}