<template>
  <div class="main-menu lt-nv">
    <div class="left-nav-fixed">
        <ol class="nav-l-1">
      <dt>指南</dt>
      <dd :class="curName=='intr' ?'l-1 curs':'l-1'">
        <a href="#/intro">介绍</a>
      </dd>
      <dd :class="curName=='fastStart' ?'l-1 curs':'l-1'">
        <a href="#/start">快速上手</a>
      </dd>
      <dd :class="curName=='theme' ?'l-1 curs':'l-1'">
        <a href="#/theme">主题定制</a>
      </dd>
      <dd :class="curName== 'international' ?'l-1 curs':'l-1'">
        <a href="#/international">国际化</a>
      </dd>
      <dd :class="curName=='update' ?'l-1 curs':'l-1'">
        <a href="https://github.com/jdf2e/nutui/releases" target="_blank">更新日志</a>
      </dd>
    </ol>
    <ol class="cplist">
      <dt>组件</dt>
      <dd
        class="l-1"
        @click="selectNav(nameObj.name)"
        :class="cur.indexOf(nameObj.name)>-1&&'cur'"
        v-for="(nameObj,index) in sortedPackages"
        :key="index"
      >
        <div class="l-c-i">
          <span>{{nameObj.name}}</span>
          <i class="pt"></i>
        </div>
        <ul class="l-2" v-if="cur.indexOf(nameObj.name)>-1">
          <template v-for="cpt in nameObj.ary">
            <li
              v-on:click.stop="listCheck(cpt)"
              :class="curName==cpt.name ?'curs':''"
              :key="cpt.name"
              v-if="cpt.showDemo"
            >
              <router-link :to="{name:cpt.name}">
                {{cpt.name}}
                <span>{{cpt.chnName}}</span>
              </router-link>
            </li>
          </template>
        </ul>
      </dd>
    </ol>
    </div>
    
  </div>
</template>
<script>
import { sorts, packages } from "../../src/config.json";
import { version } from "../../package.json";
export default {
  name: "index",
  data() {
    return {
      path: "",
      packages: {},
      sortedPackages: [],
      cur: [],
      curName: "",
      version:version
    };
  },
 
  watch: {
    packages() {
      // const compare = (obj1, obj2) => {
      //   const val1 = obj1.name;
      //   const val2 = obj2.name;
      //   if (val1 < val2) {
      //     return -1;
      //   } else if (val1 > val2) {
      //     return 1;
      //   } else {
      //     return 0;
      //   }
      // };
      let that = this;
      let tempAry = [];
      let temp = {};
      let sorts = this.sorts;
      let sortArys = [...this.packages];
      sortArys.map(item => {
        let name = sorts[item.sort];
        if (!temp[name]) {
          temp[name] = [];
        }
        temp[name].push(item);
      });
      for (let key in temp) {
        tempAry.push({
          name: key,
          ary: temp[key]
        });
      }
      let routeName = this.$route.name;
      this.sortedPackages = tempAry;
      tempAry.map(list => {
        let showParentNode = false;
        list.ary.map(ary => {
          if (ary.name == routeName) {
            showParentNode = true;
          }
        });
        if (showParentNode) {
          that.cur.push(list.name);
        }
      });
    },
    $route: "fetchData"
  },
  methods: {
    fetchData(obj) {
      let that = this;
      this.curName = obj.name;
      let sortedPackages = this.sortedPackages;

      this.selectNav(obj.name);
    },
    listCheck(obj) {
      // this.curName = obj.name;
    },
    selectNav(val) {
      let nowCur = this.cur;
      let index = nowCur.indexOf(val);
      if (index > -1) {
        nowCur.splice(index, 1);
      } else {
        nowCur.push(val);
      }
      this.cur = nowCur;
    }
  },
  created() {
    let nameRt = this.$route.name;
    let packgs = packages;

    this.cur = sorts;
    this.curName = nameRt;
    this.packages = packgs;
    this.sorts = sorts;
  }
};
</script>
<style lang="scss" scoped>

.fade-enter-active,
.fade-leave-active {
  transition: all 1s;
}
.fade-enter, .fade-leave-to /* .fade-leave-active below version 2.1.8 */ {
  opacity: 0;
  height: 0;
}
ul,
ol {
  margin: 0;
  list-style: none;
  padding: 0;
}

dt {
  font-size: 16px;
  font-weight: 500;
  text-indent: 35px;
  color: #5b657b;
  margin: 10px 0;
}

dd {
  margin: 0;
  & > a {
    display: block;
    height: 100%;
    cursor: pointer;
  }
}
.cplist{
  padding-bottom: 20px;
}
.left-nav-fixed{
  margin-top:115px;
  
}
.lt-nv {
  font-size: 14px;
  width: 295px;
  border-right: 1px solid #d8d8d8;
  a,
  span {
    text-decoration: none;
    color: #666666;
  }
  .curs {
    border-right: 4px solid #5396ff;
    color: #5396ff;
    background: rgba(83, 150, 255, 0.14);
    a,
    span {
      color: #5396ff;
    }
  }
  .pt {
    width: 0;
    height: 0;
    vertical-align: middle;
    border-width: 5px 5px 0;
    border-style: solid;
    border-color: #333 transparent transparent;
    transform: rotate(-90deg);
  }
  .l-1 {
    line-height: 40px;
    a {
      padding: 0 0 0 35px;
    }
  }
  .l-c {
    a {
      padding: 0 0 0 35px;
    }
  }
  .l-c-i {
    position: relative;
    span {
      padding: 0 0 0 35px;
    }
    .pt {
      float: right;
      margin: 20px 20px 0 0;
    }
  }
  .l-2 {
    overflow: hidden;
    a {
      font-size: 14px;
      padding: 0 0 0 50px;
      span {
        font-size: 12px;
        padding: 0 0 0 8px;
      }
    }
  }
  .cur {
    .pt {
      transition: all 0.5s;
      transform: rotate(0deg);
    }
  }
  .l-2 {
    a {
      display: inline-block;
      box-sizing: border-box;
      width: 100%;
      border-right: 1px solid #fff;
    }
    li:hover {
      transition: all 0.5;
      background: rgba(83, 150, 255, 0.14);
      border-right: 4px solid #5396ff;
      color: #5396ff;
      a,
      span {
        color: #5396ff;
      }
    }
  }
  .nav-l-1 {
    dd:hover {
      transition: all 0.5;
      background: rgba(83, 150, 255, 0.14);
      border-right: 4px solid #5396ff;
      a,
      span {
        color: #5396ff;
      }
    }
  }
}
</style>
