<template>
  <app-container>
    <search-area :need-clear="true" :need-search-more="false" type="seperate" size="small" search-more-type="default" @search="fetchData(false)" @clear="clearInput">
      <!--一般查询条件-->
      <search-item>
        <el-select v-model="listQuery.level" size="small" placeholder="危险级别" style="width: 150px" clearable @change="fetchData(false)">
          <el-option
            v-for="item in levelList"
            :key="item.code"
            :label="item.name"
            :value="item.code"
          />
        </el-select>
      </search-item>
      <search-item>
        <el-select v-model="listQuery.type" size="small" placeholder="事件类别" style="width: 150px" clearable @change="fetchData(false)">
          <el-option
            v-for="item in typeList"
            :key="item.code"
            :label="item.name"
            :value="item.code"/>
        </el-select>
      </search-item>
      <search-item>
        <el-select v-model="listQuery.status" size="small" placeholder="事件状态" style="width: 150px" clearable @change="fetchData(false)">
          <el-option
            v-for="item in statusList"
            :key="item.value"
            :label="item.name"
            :value="item.value"
          />
        </el-select>
      </search-item>
      <search-item>
        <el-select v-model="listQuery.position" size="small" placeholder="所在区域" style="width: 150px" clearable @change="fetchData(false)">
          <el-option
            v-for="item in positionList"
            :key="item.value"
            :label="item.name"
            :value="item.value"
          />
        </el-select>
      </search-item>
      <search-item>
        <el-select v-model="listQuery.area" size="small" placeholder="楼层" style="width: 150px" clearable @change="fetchData(false)">
          <el-option
            v-for="item in areaList"
            :key="item.value"
            :label="item.name"
            :value="item.value"
          />
        </el-select>
      </search-item>
      <search-item>
        <el-input v-model.trim="listQuery.description" size="small" placeholder="事件描述" @change="fetchData(false)"/>
      </search-item>
      <search-item>
        <el-date-picker
          v-model="timeRange"
          type="datetimerange"
          size="small"
          @change="fetchData(false)"
          range-separator="至"
          value-format="yyyy-MM-dd HH:mm:ss"
          start-placeholder="事件开始时间"
          end-placeholder="事件结束时间"
        />
      </search-item>
    </search-area>
    <normal-table
      :data="list"
      :head="tableOption.head"
      :query="listQuery"
      :total="total"
      :columns="columns"
      :list-loading="listLoading"
      :options="tableOption.options"
      :tools-option="tableOption.toolsOption"
      size="small"
      @change="changePage"
      @selectionChange="handleSelectionChange">
      <template slot="btns">
        <el-button size="small" class="edit_btn" icon="el-icon-s-claim" @click="clear()">
          一键解决
        </el-button>
        <download-template :filename="filename" />
        <el-upload
          :limit="1"
          :show-file-list="false"
          :http-request="uploadFile"
          :file-list="fileList"
          action="string"
          style="float:right; margin:0 3px;"
          accept=".xls,.xlsx"
        >
          <el-button slot="trigger" size="small" icon="el-icon-folder-add">
            批量导入
          </el-button>
        </el-upload>
      </template>
      <template slot="columns">
        <el-table-column label="危险级别" align="center" width="80" show-overflow-tooltip>
          <template slot-scope="scope">
            <span :class="checkCell(scope.row)">  {{ scope.row.levelName }}</span>
          </template>
        </el-table-column>
        <el-table-column label="事件照片" align="center" width="120">
          <template slot-scope="scope">
            <el-image :src="scope.row.eventPicture ? `${scope.row.eventPicture}`: defaultPhoto" :preview-src-list="srcList" width="50" height="50" style="width: 50px; height: 50px;margin-top: 10px" @error="errorImg"/>
          </template>
        </el-table-column>
        <el-table-column label="操作" align="center" width="130">
          <template slot-scope="scope">
            <el-select v-model="scope.row.status" size="small" placeholder="事件状态" @change="edit(scope.row)">
              <el-option
                v-for="item in statusList"
                :key="item.value"
                :label="item.name"
                :value="item.value"
              />
            </el-select>
          </template>
        </el-table-column>
      </template>
    </normal-table>
  </app-container>
</template>

<script>
import { getDictByCode } from '@/api/system/dict'
import DownloadTemplate from '@/components/DownloadTemplate/index'
import NormalTable from '@/components/NormalTable'
import AppContainer from '@/components/layout/AppContainer'
import SearchArea from '@/components/SearchArea/SearchArea'
import SearchItem from '@/components/SearchArea/SearchItem'
import { getCaseLevelList, getCaseTypeList, getCaseListPage, updateCase, batchImportCase, oneClickSolved } from '@/api/case'
export default {
  name: 'CaseList',
  components: { SearchItem, SearchArea, AppContainer, NormalTable, DownloadTemplate },
  data() {
    return {
      defaultPhoto: require('@/assets/global_images/photo_error.png'),
      errorImg: require('@/assets/global_images/photo_error.png'),
      positionList: [],
      srcList: [],
      areaList: [],
      listQuery: {
        level: '',
        type: '',
        status: '',
        description: '',
        position: '',
        area: '',
        drawNo: '',
        happenStartTime: '',
        happenEndTime: '',
        offset: 1,
        limit: 20
      }, // 筛选条件
      columns: [
        {
          text: '事件描述',
          value: 'description',
          align: 'center',
          width: 150
        },
        {
          text: '事件类别',
          value: 'typeName',
          align: 'center',
          width: 120
        },
        {
          text: '识别设备',
          value: 'devName',
          align: 'center',
          width: 120
        },
        {
          text: '事件位置',
          value: 'detailLocation',
          align: 'center'
        },
        {
          text: '区域',
          value: 'areaFullName',
          align: 'center',
          width: 120
        },
        {
          text: '是否为重点区域',
          value: 'isKeyAreaName',
          align: 'center',
          width: 120
        },
        {
          text: '发生时间',
          value: 'happenTime',
          align: 'center',
          width: 150
        }
      ], // 显示列
      levelList: [],
      typeList: [],
      statusList: [],
      dialogFormVisible: false, // 是否显示编辑框
      timeRange: [], // 时间范围
      multipleSelection: [], // 多选选中项
      list: [], // 列表数据
      total: 0, // 数据总数
      listLoading: true, // 列表加载动画
      filename: 'CaseInfoTemp.xlsx',
      fileList: [],
      tableOption: {
        head: {
          show: true, // 是否需要标题栏，
          text: '数据列表' // 标题名称
        },
        options: {
          needIndex: true // 是否需要序号列
        },
        toolsOption: {
          selectColumns: false, // 是否需要筛选列
          refresh: false, // 是否需要刷新按钮
          needCheckBox: false
        }
      } // 表格属性
    }
  },
  watch: {
    timeRange(val) {
      if (val && val.length > 0) {
        this.listQuery.happenStartTime = val[0]
        this.listQuery.happenEndTime = val[1]
      } else {
        this.listQuery.happenStartTime = ''
        this.listQuery.happenEndTime = ''
      }
    }
  },
  created() {
    this.fetchOptions()
    this.fetchData()
  },
  methods: {
    checkCell(val) {
      switch (val.levelName) {
        case '重大':
          return 'hard-state'
        case '较大':
          return 'medium-state'
        default:
          return 'low-state'
      }
    },
    fetchOptions() {
      getDictByCode('caseStatus').then(response => {
        if (response.code === 200) {
          this.statusList = response.data
        }
      })
      getDictByCode('devicePosition').then(response => {
        if (response.code === 200) {
          this.positionList = response.data
        }
      })
      getDictByCode('deviceArea').then(response => {
        if (response.code === 200) {
          this.areaList = response.data
        }
      })
      getCaseTypeList().then(response => {
        if (response.code === 200) {
          this.typeList = response.data
        }
      })
      getCaseLevelList().then(response => {
        if (response.code === 200) {
          this.levelList = response.data
        }
      })
    },
    clear() {
      this.$confirm('是否确认一键解决所有事件?', '提示', {
        confirmButtonText: '是',
        cancelButtonText: '否',
        type: 'info'
      }).then(() => { // 选是
        oneClickSolved().then(response => {
          if (response.code === 200) {
            this.$message.success('所有事件一键已解决')
            this.fetchData()
          }
        })
      }).catch(() => { // 选否,关闭窗口，并刷新页面
      })
    },
    uploadFile(param) {
      // 判断文件大小是否符合要求
      const _file = param.file
      const isLt5M = _file.size / 1024 / 1024 < 5
      if (!isLt5M) {
        this.$message.error('请上传5M以下的excel文件')
        return false
      }
      // 全屏加载动画
      const loading = this.$loading({
        lock: true,
        text: '导入中,请稍后...',
        spinner: 'el-icon-loading',
        background: 'rgba(0, 0, 0, 0.7)'
      })
      // 发起导入请求
      batchImportCase(_file).then(res => {
        loading.close() // 关闭加载动画
        if (res.code === 200) {
          this.$message.success('导入成功')
          this.fetchData(false)
        } else {
          this.$message.error(res.message)
        }
      }).catch(() => {
        loading.close() // 关闭加载动画
      })
      this.fileList = []
    },
    fetchData(isNowPage = true) {
      this.listLoading = true
      if (!isNowPage) { // 是否显示当前页，否则跳转第一页
        this.listQuery.offset = 1
      }
      getCaseListPage(this.listQuery).then(response => {
        if (response.code === 200) {
          this.list = response.data.rows.map(item => {
            item.areaFullName = item.positionName + item.areaName
            return item
          })
          this.srcList = response.data.rows.map(item => item.eventPicture)
          this.total = parseInt(response.data.total)
          this.listLoading = false
        }
      })
    },
    // 页数发生变化后的操作，可能是页码变化，可能是每页容量变化，此函数必写
    changePage(val) {
      if (val && val.size) {
        this.listQuery.limit = val.size
      }
      if (val && val.page) {
        this.listQuery.offset = val.page
      }
      this.fetchData()
    },
    edit(row) {
      this.$confirm(
        '确定要修改该事件状态吗？',
        '确认操作',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).then(() => {
        console.log(row.status)
        const data = {
          id: row.id,
          status: row.status
        }
        updateCase(data).then(response => {
          if (response.code === 200) {
            this.$message.success('修改成功')
            this.fetchData()
          }
        })
      })
    },
    handleSelectionChange(val) {
      this.multipleSelection = val
    },
    clearInput() {
      this.listQuery = {
        level: '',
        type: '',
        status: '',
        description: '',
        position: '',
        area: '',
        drawNo: '',
        happenStartTime: '',
        happenEndTime: '',
        offset: 1,
        limit: 20
      }
      this.timeRange = []
      this.fetchData()
    }
  }
}
</script>

<style scoped>
.hard-state{
  color:red;
  font-weight: bold;
}
.medium-state{
  color: #ea9700;
  font-weight: bold;
}
.low-state{
  color: #409EFF;
  font-weight: bold;
}
</style>