/* eslint-disable */
import router from "./router";
import NProgress from "nprogress"; //  progress bar
import "nprogress/nprogress.css"; //  progress bar style
import {
  userInfoCookie,
  menuListCookie
} from "@/utils/auth";
import store from "@/store";
import {
  Message
} from "element-ui";

NProgress.configure({
  showSpinner: false
}); //  NProgress Configuration

const whiteList = [
  "/login",
  "/reg",
  "/forget-pwd",
  "/auth-redirect",
  "/print/",
  "/inbound/purchase/print-barcode",
  "/outbound/operation/order-pick-bill-print",
  "/outbound/require/allocation-pick-bill-print"
]; //  no redirect whitelist

/**
 * 查找菜单是否有权限
 * @param routes asyncRouterMap
 * @param path
 */
function findRouter(routes, path, parentPath) {
  const res = [];
  let isExist = false;

  routes.forEach(route => {
    var currentPath = route.path;
    if (currentPath.indexOf("/") != 0) {
      currentPath = parentPath + "/" + currentPath;
    }
    if (currentPath.toLowerCase() == path.toLowerCase()) {
      isExist = true;
      return true;
    } else {
      if (route.children) {
        if (findRouter(route.children, path, currentPath)) {
          isExist = true;
        }
      }
    }
  });

  return isExist;
}

/**
 * 校验是否存在白名单中
 * @param path
 */
function checkWhite(path) {
  var isOK = false;
  whiteList.forEach(item => {
    if (path.indexOf(item) >= 0) isOK = true;
  });
  return isOK;
}

router.beforeEach((to, from, next) => {
  NProgress.start(); //  start progress bar
  if (checkWhite(to.path)) {
    //  在免登录白名单，直接进入
    let userInfo = store.getters.userInfo;
    if (!userInfo || !userInfo.accessToken) {
      store.dispatch("GetUserInfo").then(res => {
        next();
        NProgress.done();
        return;
      });
    } else {
      next();
      NProgress.done();
    }
    return;
  }
  var userInfo = userInfoCookie.getUserInfo();
  if (userInfo && userInfo.accessToken) {
    //  determine if there has token
    /* has token */
    if (to.path === "/login") {
      next();
      NProgress.done(); //  if current page is dashboard will not trigger	afterEach hook, so manually handle it
    } else {
      let userInfo = store.getters.userInfo;
      var addRouters = store.getters.addRouters;
      if (!userInfo || !userInfo.accessToken || !addRouters.length) {
        store.dispatch("GetUserInfo").then(res => {
          if (!res.menuList) {
            next(`/login?redirect=${to.path}`); //  否则全部重定向到登录页
            NProgress.done(); //  if current page is login will not trigger afterEach hook, so manually handle it
            return;
          }
          // 生成菜单
          store.dispatch("GenerateRoutes", res.menuList).then(() => {
            // 根据roles权限生成可访问的路由表
            var routers = store.getters.addRouters;
            if (!routers.length) {
              Message.error("没有设置任何权限！");
              userInfoCookie.removeUserInfo(); // 清空登录信息，重新登录
              next(`/login?redirect=${to.path}`); //  全部重定向到登录页
            } else {
              // Message.success("登录成功");
              router.addRoutes(routers); //  动态添加可访问路由表
              next({
                ...to,
                replace: true
              });
            }
          });
        });
      } else {
        var routes = store.getters.permission_routers;
        const existRoute = findRouter(routes, to.path, "");

        if (existRoute) {
          next();
        } else {
          next({
            path: "/401",
            replace: true,
            query: {
              noGoBack: true
            }
          });
        }
      }
      NProgress.done(); //  finish progress bar
    }
  } else {
    next(`/login?redirect=${to.path}`); //  否则全部重定向到登录页
    NProgress.done(); //  if current page is login will not trigger afterEach hook, so manually handle it
  }
});

router.afterEach(() => {
  NProgress.done(); //  finish progress bar
});