<template>
    <div class="app-container">
      <div class="filter-container">
        <el-input
          v-model="listQuery.title"

          :placeholder="$t('users.table.username') + ' or ' + $t('users.table.nickname')"

          style="width: 200px;"
          class="filter-item"
          @keyup.enter.native="handleFilter"
        />
        <el-select
          v-model="listQuery.importance"
          :placeholder="$t('table.importance')"
          clearable
          style="width: 90px"
          class="filter-item"
        >
          <el-option
            v-for="item in importanceOptions"
            :key="item"
            :label="item"
            :value="item"
          />
        </el-select>
        <el-select
          v-model="listQuery.type"
          :placeholder="$t('table.type')"
          clearable
          class="filter-item"
          style="width: 130px"
        >
          <el-option
            v-for="item in calendarTypeOptions"
            :key="item.key"
            :label="item.display_name+'('+item.key+')'"
            :value="item.key"
          />
        </el-select>
        <el-select
          v-model="listQuery.sort"
          style="width: 140px"
          class="filter-item"
          @change="handleFilter"
        >
          <el-option
            v-for="item in sortOptions"
            :key="item.key"
            :label="item.label"
            :value="item.key"
          />
        </el-select>
        <el-button
          v-waves
          class="filter-item"
          type="primary"
          icon="el-icon-search"
          @click="handleFilter"
        >

          {{ $t('users.search') }}

        </el-button>
        <el-button
          class="filter-item"
          style="margin-left: 10px;"
          type="primary"
          icon="el-icon-edit"
          @click="handleCreate"
        >

          {{ $t('users.add') }}

        </el-button>
        <el-button
          v-waves
          :loading="downloadLoading"
          class="filter-item"
          type="primary"
          icon="el-icon-download"
          @click="handleDownload"
        >
          {{ $t('table.export') }}
        </el-button>
        <el-checkbox
          v-model="showReviewer"
          class="filter-item"
          style="margin-left:15px;"
          @change="tableKey=tableKey+1"
        >
          {{ $t('table.reviewer') }}
        </el-checkbox>
      </div>
  
      <el-table
        :key="tableKey"
        v-loading="listLoading"
        :data="list"
        border
        fit
        highlight-current-row
        style="width: 100%;"
        @sort-change="sortChange"
      >

        <!--uid-->

        <el-table-column

          :label="$t('users.table.uid')"

          prop="id"
          sortable="custom"
          align="center"
          width="80"
          :class-name="getSortClass('id')"
        >
          <template slot-scope="{row}">
            <span>{{ row.uid }}</span>
          </template>
        </el-table-column>

        <!--create_time-->

        <el-table-column

          :label="$t('users.table.create_at')"

          width="150px"
          align="center"
        >
          <template slot-scope="{row}">
            <span>{{ row.create_time | parseTime('{y}-{m}-{d} {h}:{i}') }}</span>
          </template>
        </el-table-column>

        <!--openid-->

        <el-table-column

          :label="$t('users.table.openid')"

          min-width="150px"
        >
          <template slot-scope="{row}">
            <span
              class="link-type"
              @click="handleUpdate(row)"
            >{{ row.title }}</span>
          </template>
        </el-table-column>

        <!--nickname-->

        <el-table-column

          :label="$t('users.table.nickname')"

          width="110px"
          align="center"
        >
          <template slot-scope="{row}">
            <span>{{ row.nickname }}</span>
            <el-tag>{{ row.type | typeFilter }}</el-tag>
          </template>
        </el-table-column>

        <!--reviewer 审核人-->

        <el-table-column
          v-if="showReviewer"
          :label="$t('table.reviewer')"
          width="110px"
          align="center"
        >
          <template slot-scope="{row}">
            <span style="color:red;">{{ row.reviewer }}</span>
          </template>
        </el-table-column>

        <!--son_of_adv-->

        <el-table-column

          :label="$t('users.table.comefromperson')"
          align="center"
          width="95"

        >
          <template slot-scope="{row}">

            <span
              v-if="row.comefromperson"
              class="link-type"
              @click="handleFetchPv(row.comefromperson)"
            >{{ row.comefromperson }}</span>
            <span v-else>0</span>

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

        <!--son_of_adv-->

        <el-table-column

          :label="$t('users.table.son_of_adv')"

          align="center"
          width="95"
        >
          <template slot-scope="{row}">
            <span
              v-if="row.son_of_adv"
              class="link-type"
              @click="handleFetchPv(row.son_of_adv)"
            >{{ row.son_of_adv }}</span>
            <span v-else>0</span>
          </template>
        </el-table-column>

        <!--buy_value-->

        <el-table-column

          :label="$t('users.table.buyvalue')"
          align="center"
          width="95"
        >
          <template slot-scope="{row}">
            <span
              v-if="row.buyvalue"
              class="link-type"
              @click="handleFetchPv(row.buyvalue)"
            >{{ row.buyvalue }}</span>
            <span v-else>0</span>
          </template>
        </el-table-column>
        <!--buywill-->
        <el-table-column
          :label="$t('users.table.buywill')"
          align="center"
          width="95"
        >
          <template slot-scope="{row}">
            <span
              v-if="row.buywill"
              class="link-type"
              @click="handleFetchPv(row.buywill)"
            >{{ row.son_of_adv }}</span>
            <span v-else>0</span>
          </template>
        </el-table-column>
        <!--status-->
        <el-table-column
          :label="$t('users.table.status')"

          class-name="status-col"
          width="100"
        >
          <template slot-scope="{row}">
            <el-tag :type="row.status | statusFilter">{{ row.status }}</el-tag>
          </template>
        </el-table-column>

        <!--actions-->

        <el-table-column

          :label="$t('users.table.oper')"

          align="center"
          width="230"
          class-name="small-padding fixed-width"
        >
          <template slot-scope="{row,$index}">
            <el-button
              type="primary"
              size="mini"
              @click="handleUpdate(row)"

            >{{ $t('users.edit') }}</el-button>

            <el-button
              v-if="row.status!='deleted'"
              size="mini"
              type="danger"
              @click="handleDelete(row,$index)"

            >{{ $t('users.del') }}</el-button>

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

      <!--分页-->

      <pagination
        v-show="total>0"
        :total="total"
        :page.sync="listQuery.page"
        :limit.sync="listQuery.limit"
        @pagination="getList"
      />
      <el-dialog
        :title="textMap[dialogStatus]"
        :visible.sync="dialogFormVisible"
      >
        <el-form
          ref="dataForm"
          :rules="rules"
          :model="temp"
          label-position="left"
          label-width="70px"
          style="width: 400px; margin-left:50px;"
        >
          <el-form-item

            :label="$t('users.table.roles')"
            prop="roles"

          >
            <el-select

              v-model="temp.roles"

              class="filter-item"
              placeholder="Please select"
            >
              <el-option

                v-for="item in roles"

                :key="item.key"

                :label="item.roles"

                :value="item.key"
              />
            </el-select>
          </el-form-item>
          <el-form-item

            v-model="temp.username"
            :rules="rules"
            :label="$t('users.table.username')"
            prop="username"
          >
            <el-input v-model="temp.username" />
          </el-form-item>
          <el-form-item
            v-model="temp.password"
            :rules="rules"
            :label="$t('users.table.password')"
            prop="password"
          >
            <el-input v-model="temp.password" />
          </el-form-item>
          <el-form-item
            :label="$t('users.table.create_at')"
            prop="create_at"

          >
            <el-date-picker

              v-model="temp.create_at"

              type="datetime"
              placeholder="Please pick a date"
            />
          </el-form-item>
          <el-form-item

            :label="$t('users.table.openid')"

            prop="title"
          >
            <el-input v-model="temp.title" />
          </el-form-item>

          <el-form-item :label="$t('table.status')">
            <el-select
              v-model="temp.status"
              class="filter-item"
              placeholder="Please select"
            >
              <el-option
                v-for="item in statusOptions"
                :key="item"
                :label="item"
                :value="item"
              />
            </el-select>
          </el-form-item>

          <el-form-item :label="$t('users.table.importance')">

            <el-rate
              v-model="temp.importance"
              :colors="['#99A9BF', '#F7BA2A', '#FF9900']"
              :max="3"
              style="margin-top:8px;"
            />
          </el-form-item>

          <el-form-item :label="$t('users.table.remark')">

            <el-input
              v-model="temp.remark"
              :autosize="{ minRows: 2, maxRows: 4}"
              type="textarea"
              placeholder="Please input"
            />
          </el-form-item>
        </el-form>
        <div
          slot="footer"
          class="dialog-footer"
        >
          <el-button @click="dialogFormVisible = false">{{ $t('table.cancel') }}</el-button>
          <el-button
            type="primary"
            @click="dialogStatus==='create'?createData():updateData()"
          >{{ $t('table.confirm') }}</el-button>
        </div>
      </el-dialog>
  
      <el-dialog
        :visible.sync="dialogPvVisible"
        title="Reading statistics"
      >
        <el-table
          :data="pvData"
          border
          fit
          highlight-current-row
          style="width: 100%"
        >
          <el-table-column
            prop="key"
            label="Channel"
          />
          <el-table-column
            prop="pv"
            label="Pv"
          />
        </el-table>
        <span
          slot="footer"
          class="dialog-footer"
        >
          <el-button
            type="primary"
            @click="dialogPvVisible = false"
          >{{ $t('table.confirm') }}</el-button>
        </span>
      </el-dialog>
    </div>
  </template>
  
  <script>
  import {
    fetchList,
    fetchPv,
    createUser,
    updateUser,
    delUser
  } from '@/api/user'
  import waves from '@/directive/waves' // waves directive
  import { parseTime } from '@/utils'
  import Pagination from '@/components/Pagination' // secondary package based on el-pagination

  const roles = [
    { key: 'runner', display_name: 'runner' },
    { key: 'admin', display_name: 'admin' },
    { key: 'assistant', display_name: 'assistant' },
    { key: 'shoper', display_name: 'shoper' }
  ]

  const calendarTypeOptions = [

    { key: 'CN', display_name: '中国' },

    { key: 'US', display_name: 'USA' },

    { key: 'JP', display_name: '日本国' },

    { key: 'EU', display_name: 'Eurozone' }
  ]
  
  // arr to obj, such as { CN : "China", US : "USA" }
  const calendarTypeKeyValue = calendarTypeOptions.reduce((acc, cur) => {
    acc[cur.key] = cur.display_name
    return acc
  }, {})
  
  export default {

    name: 'ComplexTable', // 名称
    components: { Pagination }, // 关联组件，分页
    directives: { waves }, // 特效指令

    filters: {

      // TODO::这是啥？//过滤器？没弄明白

      statusFilter(status) {

        // 过滤器？

        const statusMap = {
          published: 'success',
          draft: 'info',
          deleted: 'danger'
        }
        return statusMap[status]
      },
      typeFilter(type) {

        // 过滤器？

        return calendarTypeKeyValue[type]
      }
    },

    // 数据初始化

    data() {
      return {
        tableKey: 0,
        list: null,
        total: 0,
        listLoading: true,
        listQuery: {
          page: 1,
          limit: 20,
          importance: undefined,
          title: undefined,
          type: undefined,
          sort: '+id'
        },
        importanceOptions: [1, 2, 3],
        calendarTypeOptions,

        roles,

        sortOptions: [

          // { label: "ID Ascending", key: "+id" },
          // { label: "ID Descending", key: "-id" }
          { label: '按ID 正序排', key: '+id' },
          { label: '按ID 倒序排', key: '-id' }

        ],

        statusOptions: ['通过', '审核中', '删除'],

        showReviewer: false,
        temp: {
          id: undefined,
          importance: 1,
          remark: '',
          create_time: new Date(),
          title: '',
          type: '',

          status: '通过'

        },
        dialogFormVisible: false,
        dialogStatus: '',
        textMap: {
          update: 'Edit',
          create: 'Create'
        },
        dialogPvVisible: false,
        pvData: [],
        rules: {
          type: [
            { required: true, message: 'type is required', trigger: 'change' }
          ],
          create_time: [
            {
              type: 'date',
              required: true,
              message: 'create_time is required',
              trigger: 'change'
            }
          ],
          title: [
            { required: true, message: 'title is required', trigger: 'blur' }
          ]
        },
        downloadLoading: false
      }
    },

    // 页面状态 === created

    created: async function() {

      console.log('this.$route', this.$route)

      const params = {

        way: this.$route.path // TODO:::至少传了一个参过来了。。。

      }

      await this.getList(params)

    },
    methods: {

      // 查询数据
      getList(params) {
        console.log('参数：：：', params)

        this.listLoading = true

        this.listQuery.params = params

        fetchList(this.listQuery).then(response => {
          this.list = response.data.items
          this.total = response.data.total

          // Just to simulate the time of the request

          // setTimeout(() => {
          this.listLoading = false
          // }, 1.5 * 1000);

        })
      },

      // 过滤器的事件

      handleFilter() {

        this.$message({
          message: 'handleFilter',
          type: 'success'
        })

        this.listQuery.page = 1
        this.getList()
      },

      // 状态变化修改

      handleModifyStatus(row, status) {
        this.$message({
          message: '操作成功',
          type: 'success'
        })
        row.status = status
      },

      // 搜索排序

      sortChange(data) {
        const { prop, order } = data
        if (prop === 'id') {
          this.sortByID(order)
        }
      },

      // 搜索排序

      sortByID(order) {
        if (order === 'ascending') {
          this.listQuery.sort = '+id'
        } else {
          this.listQuery.sort = '-id'
        }
        this.handleFilter()
      },

      resetTemp() {
        this.temp = {
          id: undefined,
          importance: 1,
          remark: '',
          create_time: new Date(),
          title: '',

          status: '通过',

          type: ''
        }
      },

      // 添加事件 -- 弹个框

      handleCreate() {

        // Notification(options);

        this.resetTemp()
        this.dialogStatus = 'create'
        this.dialogFormVisible = true
        this.$nextTick(() => {
          this.$refs['dataForm'].clearValidate()
        })

        const data = []
        createUser(data).then(() => {
          this.$notify({
            title: '成功',
            message: '添加成功',
            type: 'success',
            duration: 2000
          })
        })

      },

      // 添加事件 --上传数据

      createData() {
        this.$refs['dataForm'].validate(valid => {
          if (valid) {
            this.temp.id = parseInt(Math.random() * 100) + 1024 // mock a id

            this.temp.nickname = '秀野堂主'

            this.temp.author = '秀野堂主'

            // this.temp.level = "秀野堂主";
            this.temp.roles = 'admin'

            createUser(this.temp).then(() => {
              this.list.unshift(this.temp)
              this.dialogFormVisible = false
              this.$notify({
                title: '成功',
                message: '创建成功',
                type: 'success',
                duration: 2000
              })
            })
          }
        })
      },

      // 修改事件 -- 弹个框

      handleUpdate(row) {
        this.temp = Object.assign({}, row) // copy obj
        this.temp.create_time = new Date(this.temp.create_time)
        this.dialogStatus = 'update'
        this.dialogFormVisible = true
        this.$nextTick(() => {
          this.$refs['dataForm'].clearValidate()
        })
      },

      // 修改事件

      updateData() {
        this.$refs['dataForm'].validate(valid => {
          if (valid) {
            const tempData = Object.assign({}, this.temp)
            tempData.create_time = +new Date(tempData.create_time) // change Thu Nov 30 2017 16:41:05 GMT+0800 (CST) to 1512031311464
            updateUser(tempData).then(() => {
              const index = this.list.findIndex(v => v.id === this.temp.id)
              this.list.splice(index, 1, this.temp)
              this.dialogFormVisible = false
              this.$notify({
                title: '成功',
                message: '更新成功',
                type: 'success',
                duration: 2000
              })
            })
          }
        })
      },

      // 删除事件

      handleDelete(row, index) {
        const data = []
        delUser(data).then(() => {
          this.list.splice(index, 1)
          this.$notify({
            title: '成功',
            message: '删除成功',
            type: 'success',
            duration: 2000
          })
        })
      },

      // 页面跳转

      handleFetchPv(pv) {
        fetchPv(pv).then(response => {
          this.pvData = response.data.pvData
          this.dialogPvVisible = true
        })
      },

      // 下载

      handleDownload() {
        this.downloadLoading = true
        import('@/vendor/Export2Excel').then(excel => {
          const tHeader = [
            'create_time',
            'title',
            'type',
            'importance',
            'status'
          ]
          const filterVal = [
            'create_time',
            'title',
            'type',
            'importance',
            'status'
          ]
          const data = this.formatJson(filterVal)
          excel.export_json_to_excel({
            header: tHeader,
            data,
            filename: 'table-list'
          })
          this.downloadLoading = false
        })
      },

      // 格式化json

      formatJson(filterVal) {
        return this.list.map(v =>
          filterVal.map(j => {
            if (j === 'create_time') {
              return parseTime(v[j])
            } else {
              return v[j]
            }
          })
        )
      },

      // 排序规则

      getSortClass: function(key) {
        const sort = this.listQuery.sort
        return sort === `+${key}` ? 'ascending' : 'descending'
      }
    }
  }
  </script>