import { toRefs } from 'vue'
import { isNavigationFailure, Router } from 'vue-router'
import { useUserStoreWidthOut } from '@/store/modules/user'
import { useAsyncRouteStoreWidthOut } from '@/store/modules/asyncRoute'
import NProgress from 'nprogress' // progress bar
import { ACCESS_TOKEN } from '@/store/mutation-types'
import { storage } from '@/utils/Storage'
import { debounce } from '@/utils/lodashChunk'
import { useGlobSetting } from '@/hooks/setting'
import { PageEnum } from '@/enums/pageEnum'

const globSetting = useGlobSetting()


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

const whitePathList = ['/login'] // no redirect whitelist

const LOGIN_PATH = PageEnum.BASE_LOGIN
const DEFAULT_PATH = PageEnum.BASE_HOME


const permissionMode = globSetting.permissionMode //ROLE 前端固定角色  BACK 动态获取

// 是否需要从后端获取菜单
const isGetMenus = debounce(
  ({ to, from, next, hasRoute, router }) => {
    const userStore = useUserStoreWidthOut();
    const asyncRouteStore = useAsyncRouteStoreWidthOut();
    userStore.GetInfo().then(res => {
      asyncRouteStore.generateRoutes(res).then(() => {
        // 根据roles权限生成可访问的路由表
        // 动态添加可访问路由表
        asyncRouteStore.getRouters().forEach((item) => {
          router.addRoute(item)
        });
        debugger
        // if (whitePathList.includes(to.name as string)) return
        if (!hasRoute) {
          // 请求带有 redirect 重定向时，登录自动重定向到该地址
          const redirect = decodeURIComponent((from.query.redirect || '') as string)
          if (to.path === redirect) {
            next({ ...to, replace: true })
          } else {
            // 跳转到目的路由
            next({ ...to, replace: true })
          }
        } else {
          next()
        }
      }).catch(() => next({ path: defaultRoutePath }))
    })
  },
  1800,
  { leading: true }
)


export function createRouterGuards(router: Router) {
  const userStore = useUserStoreWidthOut();
  const asyncRouteStore = useAsyncRouteStoreWidthOut();
  router.beforeEach(async (to, from, next) => {
    NProgress.start()

    if (from.path === LOGIN_PATH && to.name === 'errorPage') {
      next(PageEnum.BASE_HOME);
      return;
    }

    // Whitelist can be directly entered
    if (whitePathList.includes(to.path as PageEnum)) {
      next();
      return;
    }

    const token = storage.get(ACCESS_TOKEN)
    const roles = storage.get('roles')

    if (!token) {

      // You can access without permission. You need to set the routing meta.ignoreAuth to true
      if (to.meta.ignoreAuth) {
        next();
        return;
      }
      // redirect login page
      const redirectData: { path: string; replace: boolean; query?: Recordable<string> } = {
        path: LOGIN_PATH,
        replace: true,
      };
      if (to.path) {
        redirectData.query = {
          ...redirectData.query,
          redirect: to.path,
        };
      }
      next(redirectData);
      return;
    }

    if (asyncRouteStore.getIsDynamicAddedRoute) {
      next();
      return;
    }

    const userInfo = await userStore.GetInfo()

    const routes = await asyncRouteStore.generateRoutes(userInfo)

    // 动态添加可访问路由表
    routes.forEach((item) => {
      router.addRoute(item)
    });

    const redirectPath = (from.query.redirect || to.path) as string;
    const redirect = decodeURIComponent(redirectPath);
    const nextData = to.path === redirect ? { ...to, replace: true } : { path: redirect };
    asyncRouteStore.setDynamicAddedRoute(true);
    next(nextData);
    NProgress.done()
  })

  router.afterEach((to, from, failure) => {
    document.title = (to?.meta?.title as string) || document.title
    if (isNavigationFailure(failure)) {
      //console.log('failed navigation', failure)
    }
    const asyncRouteStore = useAsyncRouteStoreWidthOut();
    // 在这里设置需要缓存的组件名称
    const keepAliveComponents = asyncRouteStore.keepAliveComponents
    const currentComName: any = to.matched.find((item) => item.name == to.name)?.name
    if (currentComName && !keepAliveComponents.includes(currentComName) && to.meta?.keepAlive) {
      // 需要缓存的组件
      keepAliveComponents.push(currentComName)
    } else if (!to.meta?.keepAlive || to.name == 'Redirect') {
      // 不需要缓存的组件
      const index = asyncRouteStore.keepAliveComponents.findIndex(
        (name) => name == currentComName
      )
      if (index != -1) {
        keepAliveComponents.splice(index, 1)
      }
    }
    asyncRouteStore.setKeepAliveComponents(keepAliveComponents)
    NProgress.done() // finish progress bar
  })

  router.onError((error) => {
    console.log(error, '路由错误')
  })
}