export type OrganizationBalance = {
  organization: { id: string; name: string };
  wallet: { organizationId: string; balanceFen: number; updatedAt: string };
};

export async function fetchOrganizationBalance(organizationId: string, signal?: AbortSignal): Promise<OrganizationBalance> {
  const response = await fetch("/api/billing/balance", { cache: "no-store", signal });
  const payload = await response.json().catch(() => null);
  if (response.status === 401 || response.status === 403 || response.status === 422) {
    throw new Error("登录状态或组织信息已变更，请刷新页面后重试。");
  }
  if (!response.ok) throw new Error("余额暂时无法读取，请重试。");
  if (typeof payload?.organization?.id === "string" && payload.organization.id !== organizationId) {
    throw new Error("账号所属组织已变更，请刷新页面后重试。");
  }
  if (!payload || payload.organization?.id !== organizationId
    || typeof payload.organization?.name !== "string"
    || payload.wallet?.organizationId !== organizationId
    || !Number.isSafeInteger(payload.wallet?.balanceFen)
    || typeof payload.wallet?.updatedAt !== "string") {
    throw new Error("余额信息不完整，请刷新后重试。");
  }
  return payload as OrganizationBalance;
}