<template>
  <div class="app-container">
    <div class="filter-container">
      <el-input :placeholder="'搜素'" v-model="listQuery.filter.value" style="width: 180px;" class="filter-item" @keyup.enter.native="handleFilter"/>
      <el-select v-model="listQuery.filter.key" :placeholder="'搜索字段'" clearable class="filter-item" style="width: 110px">
        <el-option v-for="item in SearchTypeOptions" :key="item.key" :label="item.display_name" :value="item.key"/>
      </el-select>
      <el-select v-model="listQuery.filter.is_online" :placeholder="'是否在线'" clearable class="filter-item" style="width: 110px">
        <el-option v-for="item in OnlineTypeOptions" :key="item.key" :label="item.display_name" :value="item.key"/>
      </el-select>
      <el-select v-model="listQuery.filter.is_recommend" :placeholder="'是否推荐'" clearable class="filter-item" style="width: 110px">
        <el-option v-for="item in recommendTypeOptions" :key="item.key" :label="item.display_name" :value="item.key"/>
      </el-select>
      <el-button v-waves class="filter-item" type="primary" icon="el-icon-search" @click="handleFilter">搜索</el-button>
      <el-button class="filter-item" style="margin-left: 10px;" type="primary" icon="el-icon-edit" @click="handleCreate">创建</el-button>
      <el-button class="filter-item" style="margin-left: 10px;" type="primary" icon="el-icon-edit" @click="handleOfflineOrOnline('offline')">下线</el-button>
      <el-button class="filter-item" style="margin-left: 10px;" type="primary" icon="el-icon-edit" @click="handleOfflineOrOnline('online')">上线</el-button>
      <el-button class="filter-item" style="margin-left: 10px;" type="primary" icon="el-icon-edit" @click="handleOfflineOrOnline('is_recommend')">推荐</el-button>
    </div>
    <el-table v-loading="listLoading" :data="list" border fit highlight-current-row style="width: 100%" ref="multipleTable" @selection-change="handleSelectionChange">
      <el-table-column type="selection"  align="center"></el-table-column>
      <el-table-column align="center" label="小组ID ">
        <template slot-scope="scope">
          <router-link :to="'/group/edit/'+scope.row.id" class="link-type">
          <span>{{ scope.row.id }}</span>
            </router-link>
        </template>
      </el-table-column>

      <el-table-column  align="center" label="小组名称">
        <template slot-scope="scope">
          <span>{{ scope.row.name }}</span>
        </template>
      </el-table-column>

      <el-table-column  align="center" label="小组简介">
        <template slot-scope="scope">
          <span>{{ scope.row.description }}</span>
        </template>
      </el-table-column>


      <el-table-column  align="center" label="明星数">
        <template slot-scope="scope">
          <span>{{ scope.row.star_nums }}</span>
        </template>
      </el-table-column>

      <el-table-column  align="center" label="用户数">
        <template slot-scope="scope">
          <router-link :to="{path: '/user/list/', query: {group_id: scope.row.id}}" class="link-type">
          <span>{{ scope.row.user_nums }}</span>
          </router-link>
        </template>
      </el-table-column>

      <el-table-column  align="center" label="帖子数">
        <template slot-scope="scope">
          <router-link :to="{path: '/topic/list/', query: {group_id: scope.row.id}}" class="link-type">
          <span>{{ scope.row.topic_nums }}</span>
            </router-link>

        </template>
      </el-table-column>

      <el-table-column  align="center" label="组长">
        <template slot-scope="scope">
          <span>{{ scope.row.creator.name }}</span>
        </template>
      </el-table-column>

      <el-table-column  align="center" label="是否在线">
        <template slot-scope="scope">
          <el-tag :type="scope.row.is_online | isOnlineFilter">{{ scope.row.is_online==1 ? '是' : '否' }}</el-tag>
        </template>
      </el-table-column>

      <el-table-column  align="center" label="是否推荐">
        <template slot-scope="scope">
          <el-tag :type="scope.row.is_recommend | isOnlineFilter">{{ scope.row.is_recommend==1 ? '是' : '否' }}</el-tag>
        </template>
      </el-table-column>


    </el-table>

    <pagination v-show="total>0" :total="total" :page.sync="listQuery.page" :limit.sync="listQuery.limit" style="margin-left: 150px;" @pagination="getList" />

  </div>
</template>

<script>
import { fetchList, OffLineOrOnLine } from '@/api/group'
import Pagination from '@/components/Pagination' // Secondary package based on el-pagination
import waves from '@/directive/waves'

export default {
  name: 'GroupList',
  components: { Pagination },
  directives: { waves },
  filters: {
    isOnlineFilter(status) {
      const statusMap = {
        1: 'success',
        0: 'info',
      }
      return statusMap[status]
    }
  },
  data() {
    return {
      list: null,
      total: 0,
      listLoading: true,
      multipleSelection: [],
      del_list: [],
      listQuery: {
        page: 0,
        limit: 10,
        filter: {
          value: '',
          key: '',
          is_online: '',
          is_recommend: '',
        },
      },
      SearchTypeOptions:[
        {'key': 'id', 'display_name': '小组ID'},
        {'key': 'name', 'display_name': '小组名称'},
      ],
      OnlineTypeOptions: [
        {'key': 0, 'display_name': '否'},
        {'key': 1, 'display_name': '是'},
      ],
      recommendTypeOptions: [
        {'key': 0, 'display_name': '否'},
        {'key': 1, 'display_name': '是'},
      ],
    }
  },
  created() {
    this.getList()
  },
  methods: {
    getList() {
      this.listLoading = true
      this.listQuery.star_id = this.$route.query.star_id || ''
      this.listQuery.user_id = this.$route.query.user_id || ''
      fetchList(this.listQuery).then(response => {
        this.list = response.data.data.data
        this.total = response.data.data.total
        this.listLoading = false
      })
    },
    handleSelectionChange(val) {
        this.multipleSelection = val;
    },
    handleSizeChange(val) {
      this.listQuery.limit = val
      this.getList()
    },
    handleCurrentChange(val) {
      this.listQuery.page = val
      this.getList()
    },
    handleFilter() {
      this.listQuery.page = 1
      this.getList()
    },
    handleCreate() {
      this.$router.push('/group/create')
    },
    handleOfflineOrOnline(val){
      const length = this.multipleSelection.length;
      var ids = []
      var updates = {}
      this.del_list = this.del_list.concat(this.multipleSelection);
      for (let i = 0; i < length; i++) {
          if (val === 'offline'){
            this.multipleSelection[i].is_online = 0
            updates['is_online'] = 0
          }else if (val == 'is_recommend'){
            this.multipleSelection[i].is_recommend = 1
            updates['is_recommend'] = 1
          }
          else{
            this.multipleSelection[i].is_online = 1
            updates['is_online'] = 1
          }
          ids.push(this.multipleSelection[i].id)
      }
      OffLineOrOnLine({updates: JSON.stringify(updates), ids: JSON.stringify(ids)}).then(response => {
        this.multipleSelection = [];
        this.$message.success(response.data.data.message);

        setTimeout(() => {
              this.$router.go(0)
            }, 1000)
      })
    },
  }
}
</script>

<style scoped>
.edit-input {
  padding-right: 100px;
}
.cancel-btn {
  position: absolute;
  right: 15px;
  top: 10px;
}
</style>
