/** 按 auth store 实例共享导航加载状态，切换身份立即丢弃旧菜单及旧请求结果。 */
import { watch } from "vue";
import { ref } from "vue";
import { effectScope } from "vue";
import { i as backend_menu_i } from "~/lib/backend-menu.js";
import { l as backend_menu_l } from "~/lib/backend-menu.js";
function a(a, o) {
  let s = ref([]),
    c = ref(!1),
    l = ref(!1),
    u = ref(!1),
    d = ref(``),
    f = 0,
    p = null;
  effectScope(!0).run(() =>
    watch(
      () => a.token,
      () => {
        (f++,
          (p = null),
          (s.value = []),
          (c.value = !1),
          (l.value = !1),
          (u.value = !1),
          (d.value = ``));
      },
      {
        flush: `sync`,
      },
    ),
  );
  // e 为强制刷新；并发请求复用 p，已加载的菜单默认不重复请求。
  function m(e = !1) {
    if (!a.isLoggedIn) return Promise.resolve();
    if (p) return p;
    if (l.value && !e) return Promise.resolve();
    let t = f,
      n = a.token;
    ((u.value = !0), (d.value = ``));
    let m = o
      .get(`/menu`, void 0, !1, {
        timeoutMs: 8e3,
      })
      .then((e) => {
        if (t === f && n === a.token) {
          if (!Array.isArray(e?.menu)) throw Error(`站点导航响应异常`);
          ((s.value = backend_menu_l(backend_menu_i(e.menu))),
            (c.value =
              e.menu.length === 0 ||
              e.menu.some((e) => e && typeof e == `object` && `id` in e)),
            (l.value = !0));
        }
      })
      .catch((e) => {
        t === f &&
          n === a.token &&
          (d.value = e instanceof Error ? e.message : `站点导航加载失败`);
      })
      .finally(() => {
        p === m && ((p = null), (u.value = !1));
      });
    return ((p = m), m);
  }
  return {
    entries: s,
    authoritative: c,
    loaded: l,
    loading: u,
    error: d,
    load: m,
  };
}
// WeakMap 不延长 store 生命周期；同一应用内多个导航消费者共享同一份响应式状态。
var o = new WeakMap();
function s(e, t) {
  let n = o.get(e);
  return (n || ((n = a(e, t)), o.set(e, n)), n);
}
export { s as t };