import type { ReimbursementStatus } from "../api/reimbursements";

type ReimbursementDisplayInput = {
  formNumber?: string | null;
  id?: string | null;
  status?: ReimbursementStatus | string | null;
  reimbursementDate?: string | null;
  createdAt?: string | null;
};

const UUID_PATTERN = /^[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i;

export function isUuidLike(value: string | null | undefined) {
  return Boolean(value && UUID_PATTERN.test(value));
}

export function resolveReimbursementDisplayCode(item: ReimbursementDisplayInput) {
  const formNumber = item.formNumber?.trim();
  if (formNumber && !isUuidLike(formNumber)) {
    return formNumber;
  }

  const date = item.reimbursementDate ?? item.createdAt?.slice(0, 10) ?? "";
  if (item.status === "draft" || item.status === "rejected") {
    return date ? `草稿单 · ${date}` : "草稿单";
  }

  return date ? `未编号报销 · ${date}` : "未编号报销";
}