import { createRouter, createWebHashHistory } from 'vue-router'
import type { RouteRecordRaw } from 'vue-router'
import { useNProgress } from '@vueuse/integrations/useNProgress'
// import useMenuStore from '@/store/modules/menu'

import '@/assets/styles/nprogress.scss'
// 路由相关数据

import { asyncRoutes, constantRoutes, systemRoutes } from './routes'
import useSettingsStore from '@/store/modules/settings'
import useKeepAliveStore from '@/store/modules/keepAlive'
// import useRouteStore from '@/store/modules/route'

const { isLoading } = useNProgress()
// const menuStore = useMenuStore()
// const routeStore = useRouteStore()
const router = createRouter({
  history: createWebHashHistory(),
  routes: [...asyncRoutes, ...systemRoutes, ...constantRoutes] as RouteRecordRaw[],
})

router.beforeEach(async (to, from, next) => {
  console.log('to:', to.path)
  isLoading.value = true
  next()
})

router.afterEach((to, from) => {
  const settingsStore = useSettingsStore()
  const keepAliveStore = useKeepAliveStore()
  isLoading.value = false
  // 设置页面 title
  to.meta.title && settingsStore.setTitle(typeof to.meta.title === 'function' ? to.meta.title() : to.meta.title)
  // 判断当前页面是否开启缓存，如果开启，则将当前页面的 name 信息存入 keep-alive 全局状态
  if (to.meta.cache) {
    const componentName = to.matched[to.matched.length - 1].components?.default.name
    // debugger
    if (componentName) {
      keepAliveStore.add(componentName)
    }
    else {
      console.warn('该页面组件未设置组件名，会导致缓存失效，请检查')
    }
  }
  // 判断离开页面是否开启缓存，如果开启，则根据缓存规则判断是否需要清空 keep-alive 全局状态里离开页面的 name 信息
  if (from.meta.cache) {
    const componentName = from.matched[to.matched.length - 1].components?.default.name
    if (componentName) {
      // 通过 meta.cache 判断针对哪些页面进行缓存
      switch (typeof from.meta.cache) {
        case 'string':
          if (from.meta.cache !== to.name) {
            keepAliveStore.remove(componentName)
          }
          break
        case 'object':
          if (!from.meta.cache.includes(to.name as string)) {
            keepAliveStore.remove(componentName)
          }
          break
      }
      // 如果进入的是 reload 页面，则也将离开页面的缓存清空
      if (to.name === 'reload') {
        keepAliveStore.remove(componentName)
      }
    }
  }
  document.documentElement.scrollTop = 0
})

export default router