/** 同源多标签页会话同步：监听 jwt/clear 变更，退出时将当前受保护页面替换为登录页。 */
import { defineNuxtPlugin } from "#app";
import { useAuth, isValidJwt } from "~/lib/auth.js";
import { r as safeRedirect } from "~/lib/auth-redirect.js";
import { isPublicRoute } from "~/utils/access.js";

export default defineNuxtPlugin({
  name: "console-session-sync",
  dependsOn: ["console-ui"],
  setup(app) {
    const auth = useAuth();
    const router = app.$router;
    // 只处理 localStorage 会话事件；读取最新值而非 event.newValue，避免积压事件倒退状态。
    function reconcileSession(event) {
      if (
        event.storageArea !== localStorage ||
        (event.key !== null && event.key !== "jwt")
      )
        return;
      // Read the latest value: several storage events may already be queued.
      const persisted = localStorage.getItem("jwt");
      if (persisted === auth.token) return;
      if (isValidJwt(persisted)) auth.prepareLogin().commit(persisted);
      else auth.clear();
      const route = router.currentRoute.value;
      if (!auth.isLoggedIn && !isPublicRoute(route)) {
        const redirect = safeRedirect(route.fullPath);
        void router.replace({
          path: "/login",
          query: redirect === "/" ? {} : { redirect },
        });
      }
    }
    window.addEventListener("storage", reconcileSession);
    // 应用销毁时解绑，避免热重载或重新挂载后叠加处理同一 storage 事件。
    app.vueApp.onUnmount(() =>
      window.removeEventListener("storage", reconcileSession),
    );
  },
});