import { useCallback } from "react";
import { useSearchParams } from "react-router";

/**
 * 列表页筛选状态写进 URL query(docs/design/console-ia.md §3.6),刷新和分享链接不丢筛选。
 *   const f = useQueryState(["status", "managed"]);
 *   f.values.status; f.set("status", "paused"); f.reset();
 */
export function useQueryState<K extends string>(keys: readonly K[]) {
  const [params, setParams] = useSearchParams();
  const values = Object.fromEntries(keys.map((k) => [k, params.get(k) ?? ""])) as Record<K, string>;
  const set = useCallback(
    (key: K, value: string) =>
      setParams(
        (prev) => {
          const next = new URLSearchParams(prev);
          if (value) next.set(key, value);
          else next.delete(key);
          return next;
        },
        { replace: true },
      ),
    [setParams],
  );
  const keyList = keys.join(",");
  const reset = useCallback(
    () =>
      setParams(
        (prev) => {
          const next = new URLSearchParams(prev);
          for (const k of keyList.split(",")) next.delete(k);
          return next;
        },
        { replace: true },
      ),
    [setParams, keyList],
  );
  const active = keys.some((k) => !!values[k]);
  return { values, set, reset, active };
}