<template>
  <section class="sliderNav">
    <el-input class="searchApp" size="small" v-model="searchApp" placeholder="搜索应用" clearable
              prefix-icon="iconfont iconSearch" @change="recordSearch"/>
    <el-scrollbar class="ai-menu">
      <div v-for="(item,i) in navs" :key="i">
        <div class="rootMenu" :class="{isActive:menuPath.includes(item.name)}"
             @click.stop="openKidMenu(item)">
          <i class="prep-icon" :class="item.style||'iconfont iconloudongmoxing'"/>
          <span class="menuName fill" v-text="item.label"/>
          <el-badge type="warning" :hidden="!item.project" :value="item.project"/>
          <i v-if="item.children" class="iconfont" :class="arrowIcon(item.showChildren)"/>
        </div>
        <div class="kidMenu" v-if="item.showChildren" @click.stop>
          <div class="kidPane">
            <div class="submenu wrap" flex v-for="menu in item.children" :key="menu.name">
              <b v-text="menu.label" :class="{menuBtn:menu.type==1,current:menuPath.includes(menu.name)}"
                 @click="handleSelect(menu)"/>
              <div class="menuBtn" v-for="kid in menu.children" :key="kid.name" v-text="kid.label"
                   @click="handleSelect(kid)"
                   :class="{current:menuPath.includes(kid.name)}"/>
            </div>
          </div>
        </div>
      </div>
      <div class="divider"/>
    </el-scrollbar>
  </section>
</template>

<script>
import {mapState} from "vuex";

export default {
  name: "sliderNav",
  data() {
    return {
      searchApp: "",
    }
  },
  computed: {
    ...mapState(['user', 'apps']),
    navs() {
      let reg = new RegExp(`.*${this.searchApp?.replace(/-/g,'')||''}.*`, 'gi')
      return (this.apps || []).filter(e => !this.searchApp || reg?.test(e.name) || reg?.test(e.label)).map(e => {
        if (/\/project\//.test(e.path)) {
          e.project = e.path.replace(/.*project\/([^\/]+)\/.+/, '$1')
        } else if (/\/core\//.test(e.path)) {
          e.project = "core"
        }
        return e
      })
    },
    isConsoleRoute() {
      return this.$route.name == "工作台"
    },
    menuPath() {
      let paths = [], current = this.apps?.find(e => e.name == this.$route.name)
      const findParent = name => {
        let menu = this.apps?.find(e => e.name == name)
        if (menu) {
          paths.push(menu.name)
          if (!!menu.parentId) findParent(menu.parentId)
        }
      }
      if (current) {
        findParent(current.name)
      }
      return paths
    }
  },
  methods: {
    openKidMenu(parent) {
      if (parent.children) {
        parent.showChildren = !parent.showChildren
      } else {
        this.handleSelect(parent)
      }
    },
    handleSelect(item) {
      if (!item.path) return
      if (item.name == this.$route.name) {
        //避免同一路由跳转的BUG vue-router官方BUG
      } else {
        let {name, path} = item
        if (/\?app=/.test(path)) {
          this.goto({name, query: {app: path.replace(/.+\?app=/, '')}})
        } else if (/\?moduleId=/.test(path)) {
          this.goto({name, query: {moduleId: path.replace(/.+\?moduleId=/, '')}})
        } else {
          this.goto({name})
        }
      }
    },
    goto(item) {
      this.$router.push(item)
    },
    subMenuIcon(flag) {
      return flag ? 'iconfont iconArrow_Down' : "iconfont iconArrow_Right"
    },
    arrowIcon(v) {
      return v ? "iconArrow_Down" : "iconArrow_Right"
    },
    recordSearch() {
      localStorage.setItem("searchApp", this.searchApp)
    },
  },
  created() {
    this.searchApp = localStorage.getItem("searchApp") || ""
  }
}
</script>
<style lang="scss" scoped>
.sliderNav {
  min-width: 200px;
  height: 100%;
  transition: width .1s;
  display: flex;
  justify-content: space-between;
  flex-direction: column;
  border-right: 1px solid #e5e5e5;
  flex-shrink: 0;
  box-sizing: border-box;
  background: #EFF1F4;
  color: #222;
  position: relative;

  .kidMenu {
    padding: 0 16px;
    background: #EFF1F4;

    .rootName {
      font-size: 20px;
      color: #333;
      cursor: default;
    }

    .kidPane {
      font-size: 13px;

      .submenu {
        margin-top: 8px;
        width: 100%;
        color: #aaa;

        & > b {
          width: 100%;
          line-height: 28px;
        }

        & > * {
          cursor: default;
        }
      }

      .menuBtn {
        display: block;
        width: 50%;
        cursor: pointer;
        line-height: 32px;
        color: #333;
        flex-shrink: 0;

        &:hover {
          color: #26f;
        }

        &.current {
          color: #26f;
        }
      }
    }
  }

  .rootMenu {
    padding: 0 16px;
    display: flex;
    align-items: center;
    height: 44px;
    cursor: pointer;
    box-shadow: 0px -1px 0px 0px #D8DCE3 inset, 0px 1px 0px 0px #FFF inset, -1px 0px 0px 0px #E5E5E5 inset;
    gap: 8px;
    font-size: 13px;

    .iconfont {
      color: #89B;
      font-size: 20px;
    }

    &.isActive {
      color: #26f;

      .iconfont {
        color: #26f !important;
      }
    }

    &:hover {
      color: #26f;
    }
  }

  :deep( .ai-menu ){
    padding-left: 0;
    flex: 1;
    min-height: 0;

    .el-scrollbar__wrap {
      overflow-x: auto;
    }

    &::-webkit-scrollbar {
      display: none;
    }
  }

  :deep( .searchApp ){
    display: flex;
    align-items: center;
    height: 44px;
    padding: 0 16px;
    box-shadow: 0px -1px 0px 0px #E5E5E5 inset;

    .el-input__inner {
      border: none;
      background: inherit;
      padding: 0 28px;
    }

    .el-input__prefix {
      left: 16px;

      .iconSearch {
        font-size: 20px;
        width: fit-content;
        color: #89B;
        line-height: 44px;
      }

    }
  }

  .divider {
    color: #aaa;
    border-top: 1px solid #ddd;
    position: relative;
    font-size: 12px;
    margin: 16px 16px 32px;

    &:before {
      content: "到达底部";
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      padding: 0 16px;
      background: #EFF1F4;
      white-space: nowrap;
    }
  }
}
</style>
