<!-- @format -->

<template>
  <div class="nav-side" :key="'navSide_' + $route.name">
    <div class="nav-sub" v-show="isShow">
      <ul>
        <li v-show="!backTo"
          ><span class="nav-sub-head ng-scope" translate="COMPANY">{{ title }}</span></li
        >
        <li v-show="backTo">
          <span
            class="nav-sub-head h5 ng-scope nav-sub-head-back"
            style="box-sizing: border-box; cursor: pointer"
            @click="navigation(backTo)">
            <i class="iconfont">&#xe607;</i>
            <span>返回</span>
          </span>
        </li>
        <li v-for="(menu, index) in menus" :key="index">
          <router-link
            class="nav-sub-item"
            active-class="nav-sub-current"
            :to="{ name: menu.name }"
            append>
            <span>{{ menu.label }}</span>
          </router-link>
        </li>
      </ul>
    </div>

    <div class="content-main">
      <router-view />
    </div>
  </div>
</template>

<script lang="ts">
  import { SideMenu, configRegist } from '/nerv-lib/paas/store/modules/config-service';
  import { defineComponent } from 'vue';
  // import { storeToRefs, mapWritableState } from 'pinia';
  import { findIndex } from 'lodash-es';
  export default defineComponent({
    name: 'SideNavMultilevel',
    components: {},
    setup() {
      const configReg = configRegist();
      return {
        configReg,
      };
    },
    data(): {
      title: string;
      menus: Array<any>;
      isShow: boolean;
      backTo: string;
      currName: string;
    } {
      return {
        title: '',
        menus: [],
        isShow: true,
        backTo: '', //是否需要返回按钮
        currName: '', //标记自己当前的路由配置取值key
      };
    },
    beforeCreate() {},
    mounted() {
      let sideMenu: SideMenu;
      let currUrl = this.$route.name;
      let activeUrl = '';
      let urlMap: any[] = this.$route.path.split('/');
      //订阅路由激活状态。如果有更深层级的side-nav激活，就隐藏当前的菜单
      this.configReg.$subscribe((mutation, state) => {
        console.log('sub');
        this.isShow = this.configReg.isLaster(this.currName);
      });

      try {
        const routeMatched = this.$route.matched.reverse();
        console.log(routeMatched);
        routeMatched.some((el) => {
          if (el.meta['sideMenus'] && !this.configReg.hasUrl(el.name)) {
            sideMenu = el.meta['sideMenus'];
            this.currName = el.name || '';
            this.backTo = sideMenu['backTo'] || '';
            this.title = sideMenu.title || '';
            this.menus = sideMenu.menus;
            this.isShow = true;
            this.menus.forEach((item) => {
              if (item.name === currUrl) {
                activeUrl = item.name;
              }
            });
            // let index = -1;
            // urlMap.some((el, ind) => {
            //   if (el === el.name) {
            //     index = ind;
            //   }
            // });
            let index = findIndex(urlMap, function (o) {
              return o === el.name;
            });
            this.configReg.setUrl(el.name, index);
            return true;
          }
        });

        //如果没有激活的路由，而且是当前side-nav的默认路由，就取第一个跳转
        if (!activeUrl && sideMenu.name === currUrl) {
          activeUrl = this.menus[0]['name'];
        }
      } catch (err) {
        console.log(err);
      }

      if (activeUrl) {
        this.navigation(activeUrl);
      } else {
        this.navigation2(this.$route.path);
      }
    },
    unmounted() {
      // configReg.activateUrls = configReg.activateUrls.filter((el) => {
      //   return el !== this.currName;
      this.configReg.removeUrl(this.currName);
    },
    methods: {
      navigation(url: string) {
        this.$router.push({ name: url });
      },
      navigation2(url: string) {
        this.$router.push({ path: url });
      },
    },
  });
</script>

<style lang="less" scoped>
  .nav-side {
    display: flex;
    height: 100%;
    .nav-sub {
      float: left;
      // height: 100%;
      overflow: auto;
      width: 149px;
      background-color: #f7f9fb;
      .nav-sub-head {
        padding-left: 16px;
        padding-right: 16px;
        display: inline-block;
        box-sizing: border-box;
        width: 100%;
        font-weight: 700;
        height: 56px;
        line-height: 56px;
      }
      .nav-sub-head-back {
        .iconfont {
          color: #00acff !important;
          display: inline-block;
          transform: scale(0.7);
          font-size: 12px;
        }
        span {
          color: #00acff !important;
        }
      }
      .nav-sub-item {
        color: #212529;
        display: inline-block;
        box-sizing: border-box;
        width: 100%;
        padding-left: 16px;
        padding-right: 16px;
        height: 48px;
        line-height: 48px;
        &:hover {
          background-color: #fff;
        }
      }

      .nav-sub-current {
        background-color: #fff;
        color: @layout-nav-hover;
      }
    }
  }
  .content-main {
    width: calc(100% - 149px);
    background-color: #ffffff;
  }
  ul,
  li {
    list-style: none;
    padding: 0;
  }
</style>