<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="true"
        :active-text-color="variables.menuActiveText"
        :collapse-transition="false"
        mode="vertical"
        @select="selectMenuItem"
      >
        <sidebar-item v-for="route in permission_routes" :key="(route.meta && route.meta.id) || route.path" :item="route" :base-path="route.path" />
      </el-menu>
    </el-scrollbar>
  </div>
</template>

<script>
import { mapGetters } from 'vuex'
import SidebarItem from './SidebarItem'
import variables from '@/styles/variables.scss'

export default {
  components: { SidebarItem },
  computed: {
    ...mapGetters([
      'permission_routes',
      'sidebar'
    ]),
    activeMenu() {
      const route = this.$route
      const { meta, path } = route
      // if set path, the sidebar will highlight the path you set
      if (meta.activeMenu) {
        return meta.activeMenu
      }
      // 优先使用 meta.id 匹配菜单（动态菜单使用 sysMenuId 作为索引）
      if (meta.id) {
        return meta.id
      }
      return path
    },
    showLogo() {
      return this.$store.state.settings.sidebarLogo
    },
    variables() {
      return variables
    },
    isCollapse() {
      return !this.sidebar.opened
    }
  },
  methods: {
    selectMenuItem(url, indexPath) {
      if (this.$route.fullPath === url) {
        // 点击的是当前路由 手动重定向页面到 '/redirect' 页面
        this.$router.replace({
          path: '/refresh',
          query: {
            path: encodeURI(url)
          }
        })
      }
    }
  }
}
</script>
<style lang="scss" scoped>
  .el-submenu.is-active .el-submenu__title{
  }
</style>
