<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>
