<template>
  <div class="app-container">

    <el-card class="operate-container" shadow="never">
      <el-form :inline="true">
        <el-form-item label="输入搜索：">
          <el-input v-model="searchObj.keyword" style="width: 203px" placeholder="关键字" />
        </el-form-item>

        <el-button type="primary" icon="el-icon-search" @click="fetchData()">查询</el-button>
        <el-button type="default" @click="resetData()">清空</el-button>
      </el-form>
    </el-card>

    <!-- 工具条 -->
    <el-card class="operate-container" shadow="never">
      <i class="el-icon-tickets" style="margin-top: 5px" />
      <span style="margin-top: 5px">数据列表</span>
      <el-button class="btn-add" size="mini" @click="openShow()">开通区域</el-button>
    </el-card>

    <!-- banner列表 -->
    <el-table
      v-loading="listLoading"
      :data="list"
      stripe
      border
      style="width: 100%;margin-top: 10px;"
    >

      <el-table-column
        label="序号"
        width="70"
        align="center"
      >
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column prop="regionName" label="区域名称" />
      <el-table-column prop="wareName" label="仓库名称" />
      <el-table-column prop="createTime" label="创建时间" />
      <el-table-column label="状态" width="120px">
        <template slot-scope="scope">
          <p>{{ scope.row.status == 0 ? '未开通' : '已开通' }}</p>
        </template>
      </el-table-column>

      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <el-button type="text" size="mini" @click="removeDataById(scope.row.id)">删除</el-button>
          <el-button v-if="scope.row.status === 0" type="text" size="mini" @click="updateStatus(scope.row.id, 1)">开通
          </el-button>
          <el-button v-if="scope.row.status === 1" type="text" size="mini" @click="updateStatus(scope.row.id, 0)">
            取消开通
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页组件 -->
    <el-pagination
      :current-page="page"
      :total="total"
      :page-size="limit"
      :page-sizes="[5, 10, 20, 30, 40, 50, 100]"
      style="padding: 30px 0; text-align: center;"
      layout="sizes, prev, pager, next, jumper, ->, total, slot"
      @current-change="fetchData"
      @size-change="changeSize"
    />

    <el-dialog title="开通区域" :visible.sync="openDialogVisible" width="40%">
      <el-form ref="flashPromotionForm" label-width="150px" size="small">
        <el-form-item label="区域">
          <el-autocomplete
            v-model="keyword"
            :fetch-suggestions="querySearch"
            :trigger-on-focus="false"
            class="inline-input"
            placeholder="请输入区域关键字"
            value-key="name"
            style="width: 200px;"
            @select="selectData"
          />
        </el-form-item>
        <el-form-item label="仓库">
          <el-select v-model="regionWare.wareId" placeholder="请选择">
            <el-option
              v-for="ware in wareList"
              :key="ware.id"
              :label="ware.name"
              :value="ware.id"
            />
          </el-select>
        </el-form-item>
        <el-form-item>
          <el-button size="small" @click="openDialogVisible = false">取 消</el-button>
          <el-button type="primary" size="small" @click="openSave()">确 定</el-button>

        </el-form-item>
      </el-form>
    </el-dialog>
  </div>
</template>

<script>
import api from '@/api/sys/regionWare'
import wareApi from '@/api/sys/ware'
import regionApi from '@/api/sys/region'

const defaultForm = {
  regionId: '',
  regionName: '',
  wareId: '',
  wareName: ''
}
export default {
  data() {
    return {
      listLoading: true, // 数据是否正在加载
      list: null, // banner列表
      total: 0, // 数据库中的总记录数
      page: 1, // 默认页码
      limit: 10, // 每页记录数
      searchObj: {}, // 查询表单对象

      openDialogVisible: false,
      wareList: [],
      regionList: [],
      keyword: '',
      regionWare: defaultForm
    }
  },

  // 生命周期函数：内存准备完毕，页面尚未渲染
  created() {
    console.log('list created......')
    this.fetchData()
    this.fetchWareList()
  },

  // 生命周期函数：内存准备完毕，页面渲染成功
  mounted() {
    console.log('list mounted......')
  },

  methods: {

    // 当页码发生改变的时候
    changeSize(size) {
      console.log(size)
      this.limit = size
      this.fetchData(1)
    },

    // 加载banner列表数据
    fetchData(page = 1) {
      console.log('翻页。。。' + page)
      // 异步获取远程数据（ajax）
      this.page = page

      api.getPageList(this.page, this.limit, this.searchObj).then(
        response => {
          this.list = response.data.records
          this.total = response.data.total

          // 数据加载并绑定成功
          this.listLoading = false
        }
      )
    },

    fetchWareList() {
      wareApi.findAllList().then(response => {
        this.wareList = response.data
      })
    },

    openShow() {
      this.openDialogVisible = true
      this.regionWare = {}
      this.keyword = ''
    },

    openSave() {
      this.wareList.forEach(item => {
        if (item.id == this.regionWare.wareId) {
          this.regionWare.wareName = item.name
        }
      })
      api.save(this.regionWare).then(response => {
        this.openDialogVisible = false
        if (response.code) {
          this.$message({
            type: 'success',
            message: response.message
          })
          this.fetchData()
        }
      })
    },

    updateStatus(id, status) {
      api.updateStatus(id, status).then(response => {
        this.$message({
          type: 'success',
          message: '操作成功!'
        })
        this.fetchData()
      })
    },

    querySearch(queryString, cb) {
      console.log(queryString)
      console.log(cb)

      regionApi.findRegionByKeyword(queryString).then(response => {
        // 调用 callback 返回建议列表的数据
        cb(response.data)
      })
    },

    selectData(item) {
      this.regionWare.regionId = item.id
      this.regionWare.regionName = item.name
    },

    // 重置查询表单
    resetData() {
      console.log('重置查询表单')
      this.searchObj = {}
      this.fetchData()
    },

    // 根据id删除数据
    removeDataById(id) {
      // debugger
      this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => { // promise
        // 点击确定，远程调用ajax
        return api.removeById(id)
      }).then((response) => {
        this.fetchData(this.page)
        if (response.code) {
          this.$message({
            type: 'success',
            message: '删除成功!'
          })
        }
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        })
      })
    }
  }
}
</script>
