import { ApiError } from "@bid-doctor/api-client";
import { MutationCache, QueryCache, QueryClient } from "@tanstack/vue-query";

let onUnauthorized: (e: ApiError) => void = () => {};
/** 会话失效（401：过期、被其他设备挤下线）时的统一处理，由 main.ts 注入（需要 router）。 */
export function setUnauthorizedHandler(fn: (e: ApiError) => void) {
  onUnauthorized = fn;
}

const handle = (e: unknown) => {
  if (e instanceof ApiError && e.status === 401) onUnauthorized(e);
};

export const queryClient = new QueryClient({
  queryCache: new QueryCache({ onError: handle }),
  mutationCache: new MutationCache({ onError: handle }),
  defaultOptions: {
    queries: {
      // 4xx 是确定的结果，不重试；网络和 5xx 重试两次
      retry: (count, e) => !(e instanceof ApiError && e.status < 500) && count < 2,
      refetchOnWindowFocus: false,
    },
  },
});