import router from "./router";
import store from "./store";
import { Message } from "element-ui";
import NProgress from "nprogress";
import "nprogress/nprogress.css";
import { getToken } from "@/utils/auth";
import { isPathMatch } from "@/utils/validate";
import { isRelogin } from "@/utils/request";

NProgress.configure({ showSpinner: false });

const whiteList = ["/login", "/register"];

const isWhiteList = (path) => {
  return whiteList.some((pattern) => isPathMatch(pattern, path));
};

const hasHomeRoute = (routes) => {
  return Array.isArray(routes) && routes.some((route) => route && route.path === "/" && route.redirect === "/index");
};

router.beforeEach((to, from, next) => {
  NProgress.start();
  if (getToken()) {
    if (to.meta.title) {
      store.dispatch("settings/setTitle", to.meta.title);
    }
    if (to.path === "/login") {
      next({ path: "/" });
      NProgress.done();
      return;
    }
    if (isWhiteList(to.path)) {
      next();
      return;
    }
    if (store.getters.roles.length === 0) {
      isRelogin.show = true;
      store.dispatch("GetInfo").then(() => {
        isRelogin.show = false;
        store.dispatch("GenerateRoutes").then((accessRoutes) => {
          router.addRoutes(accessRoutes);
          if (!hasHomeRoute(accessRoutes) && to.path !== "/no-permission") {
            next({ path: "/no-permission", replace: true });
            return;
          }
          next({ ...to, replace: true });
        });
      }).catch((err) => {
        const errorText = (err && err.message) || String(err || "GetInfo failed");
        store
          .dispatch("LogOut")
          .catch(() => {})
          .finally(() => {
            Message.error(errorText);
            next({ path: "/login", replace: true });
          });
      });
      return;
    }
    next();
    return;
  }

  if (isWhiteList(to.path)) {
    next();
  } else {
    if (to.path === "/no-permission") {
      next("/login");
    } else {
      next(`/login?redirect=${encodeURIComponent(to.fullPath)}`);
    }
    NProgress.done();
  }
});

router.afterEach(() => {
  NProgress.done();
});