<template>
  <div :class="{'has-logo':showLogo}">
    <logo
      v-if="showLogo"
      :collapse="isCollapse" />
    <el-scrollbar wrap-class="scrollbar-wrapper">
      <el-menu
        :default-active="activeMenu"
        :collapse="isCollapse"
        :background-color="variables.menuBg"
        :text-color="variables.menuText"
        :unique-opened="false"
        :active-text-color="variables.menuActiveText"
        :collapse-transition="false"
        @select="onMenuItemSelect"
        mode="vertical"
      >
        <sidebar-item
          v-for="route in permission_routes"
          :key="route.path"
          :item="route"
          :activeMenu="activeMenu"
          :selectedItemIndex="selectedItemIndex"
          :base-path="route.path" />
      </el-menu>
    </el-scrollbar>
    <div class="version-view" v-if="!isCollapse">{{appName + " &nbsp;" + appVersion}}</div>
  </div>
</template>

<script>
import { mapGetters } from 'vuex'
import Logo from './Logo'
import SidebarItem from './SidebarItem'
import variables from '@/styles/variables.scss'
import { getAuthRoutes } from '@/utils/auth'
import permission from '@/utils/permission'
import settings from '../../../settings'

export default {
  components: { SidebarItem, Logo },
  created() {
  },
  data() {
    return {
      appName: settings.title,
      appVersion: settings.version,
      selectedItemIndex: '',
    }
  },
  methods: {
    filterRoutes(routes) {
      routes.forEach((route) => {
        const authRoute = this.authRoutesList.find(
          authRoute => (authRoute.resourcePath === route.path)
        )
        if (authRoute) {
          route.hidden = false
          if (route.meta) {
            route.meta.onlyView = authRoute.onlyView
          } else {
            route.meta = { onlyView: authRoute.onlyView }
          }
        } else {
          route.hidden = true
        }
        if (route.children) {
          this.filterRoutes(route.children)
        }
      })
    },
    onMenuItemSelect(index) {
      this.selectedItemIndex = index
    }
  },
  computed: {
    ...mapGetters([
      'permission_routes',
      'sidebar'
    ]),
    activeMenu() {
      const route = this.$route
      const { meta, path } = route
      // if set path, the sidebar will highlight the path you set
      if (meta.activeMenu) {
        return meta.activeMenu
      }
      return path
    },
    showLogo() {
      return this.$store.state.settings.sidebarLogo
    },
    variables() {
      return variables
    },
    isCollapse() {
      return !this.sidebar.opened
    }
  }
}
</script>
<style scoped>
.version-view {
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  height: 18px;
  color: #cecece;
  font-size: 12px;
  text-align: center;
  position: absolute;
}
</style>