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

// 政务登录接口
import { governmentGetInfo } from "@/api/login/index";

NProgress.configure({ showSpinner: false });

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

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

router.beforeEach((to, from, next) => {
  if(!extractPrefix(to.path)){
    store.commit("SET_CRUMBS",false);
  }
  NProgress.start();

  // 提取所有 URL 参数（包括 hash 后面的部分）
  const search =
    window.location.search || window.location.hash.split("?")[1] || "";
  const params = new URLSearchParams(search);
  const userToken = params.get("userToken");
  const signature = params.get("signature");
  const timespan = params.get("timespan");

  console.log(userToken, signature, timespan, "参数");

  // 如果已经处理过一次登录逻辑，不再重复执行
  if (from.path === to.path && store.getters.token) {
    next();
    return;
  }

  // 如果存在政务参数，并且不在登录页，则强制跳转过去
  if (userToken && signature && timespan && to.path !== "/login") {
    next({
      path: "/login",
      query: { userToken, signature, timespan },
      replace: true,
    });
    return;
  }

  if (to.path === "/login" && userToken && signature && timespan) {
    governmentGetInfo({ userToken, signature, timespan })
      .then((res) => {
        const token = res.data.token;
        if (!token) {
          // 清除 URL 参数，避免循环
          const cleanPath =
            window.location.pathname + window.location.hash.split("?")[0];
          window.history.replaceState({}, "", cleanPath);
          throw new Error("未获取到有效 token");
        }

        setToken(token);
        localStorage.setItem("otherToken", userToken);

        // 清除 URL 参数
        const cleanPath =
          window.location.pathname + (window.location.hash || "");
        window.history.replaceState({}, "", cleanPath);

        // 如果已有角色信息，直接跳转
        if (store.getters.roles.length > 0) {
          next("/"); // 或者 next(to.query.redirect || "/")
          return;
        }

        // 否则获取用户信息并加载路由
        isRelogin.show = true;
        store
          .dispatch("GetInfo")
          .then(() => {
            isRelogin.show = false;
            return store.dispatch("GenerateRoutes");
          })
          .then((accessRoutes) => {
            router.addRoutes(accessRoutes);
            next(to.query.redirect || "/"); // 跳转到目标页或首页
          })
          .catch((err) => {
            console.error("获取用户信息失败:", err);
            return store.dispatch("LogOut").then(() => {
              Message.error(err.message || "获取用户信息失败");
              next("/login");
            });
          });
      })
      .catch((err) => {
        console.error("政务系统登录失败:", err);
        // 清除 URL 参数，避免循环
        const cleanPath =
          window.location.pathname + (window.location.hash || "");
        window.history.replaceState({}, "", cleanPath);
        Message.error(err.message || "政务系统登录失败");
        next("/login");
      });
    return;
  }

  // 原始本地登录逻辑
  const token = getToken();

  if (token) {
    to.meta.title && store.dispatch("settings/setTitle", to.meta.title);
    if (to.path === "/login") {
      next({ path: "/" });
      NProgress.done();
    } else if (isWhiteList(to.path)) {
      next();
    } else {
      if (store.getters.roles.length === 0) {
        isRelogin.show = true;
        store
          .dispatch("GetInfo")
          .then(() => {
            isRelogin.show = false;
            store.dispatch("GenerateRoutes").then((accessRoutes) => {
              router.addRoutes(accessRoutes);
              next({ ...to, replace: true });
            });
          })
          .catch((err) => {
            store.dispatch("LogOut").then(() => {
              Message.error(err);
              next("/");
            });
          });
      } else {
        next();
      }
    }
  } else {
    if (isWhiteList(to.path)) {
      next();
    } else {
      next(`/login?redirect=${encodeURIComponent(to.fullPath)}`);
    }
  }
});

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