<template>
  <div class="app-container">
    <el-row ref="listQueryContainer" class="query-container" justify="space-between" type="flex">
      <el-col>
        <el-form ref="listQuery" :inline="true" :model="listQuery" style="flex-wrap: wrap" @submit.native.prevent @keyup.enter.native="onSubmit">
          <el-form-item label="楼栋" prop="buildingName">
            <el-input v-model.trim="listQuery.buildingName" clearable maxlength="16" placeholder="请输入楼栋名称" @clear="listQuery.buildingName=undefined" @keyup.enter.native="onFilterChange">
              <i slot="suffix" class="el-input__icon el-icon-search" @click="onFilterChange"></i>
            </el-input>
          </el-form-item>
          <el-form-item label="楼层" prop="floorName">
            <el-input v-model.trim="listQuery.floorName" clearable maxlength="16" placeholder="请输入楼层名称" @clear="listQuery.floorName=undefined" @keyup.enter.native="onFilterChange">
              <i slot="suffix" class="el-input__icon el-icon-search" @click="onFilterChange"></i>
            </el-input>
          </el-form-item>
          <el-form-item label="房间名称" prop="name">
            <el-input v-model.trim="listQuery.name" clearable maxlength="16" placeholder="请输入房间名称" @clear="listQuery.name=undefined" @keyup.enter.native="onFilterChange">
              <i slot="suffix" class="el-input__icon el-icon-search" @click="onFilterChange"></i>
            </el-input>
          </el-form-item>
          <el-form-item label-width="0">
            <el-button type="primary" @click="onFilterChange">查询</el-button>
            <el-button plain type="primary" @click="resetFields">重置</el-button>
            <el-button plain type="primary" @click="onExport">导出</el-button>
          </el-form-item>
        </el-form>
      </el-col>
      <form-clear :shrinkable="shrinkable" @change="onExpansion" @clear="resetFields"/>
    </el-row>

    <el-row>
      <el-button type="primary" @click="onAdd">添加</el-button>
      <el-button v-if="!editing" plain type="primary" @click="onBatchDelete">批量删除</el-button>
      <el-button v-if="editing" :disabled="!(selectIds&&selectIds.length)" type="danger" @click="onDeleteSelect">删除</el-button>
      <el-button v-if="editing" plain @click="onCancel">取消</el-button>
    </el-row>

    <el-table ref="table" :data="list" border class="mt10" highlight-current-row stripe @sort-change="onSortChange" @selection-change="onTableSelectionChange" @row-click="onRowClick">
      <el-table-column v-if="editing" fixed type="selection" width="55"></el-table-column>
      <el-table-column :index="indexCompute" align="center" fixed="left" label="序号" type="index" width="60px"/>
      <el-table-column align="center" fixed="left" label="房间名称" min-width="140px" prop="name" sortable="custom"/>
      <el-table-column align="center" label="房间编号" min-width="110px" prop="number" sortable="custom"/>
      <el-table-column align="center" label="所属楼栋" min-width="120px" prop="buildingName" sortable="custom"/>
      <el-table-column align="center" label="所属楼层" min-width="110px" prop="floorName" sortable="custom"/>
      <el-table-column align="center" label="设备数量" min-width="110px" prop="deviceTotal" sortable="custom">
         <template v-slot="scope">
          <router-link :to="{name:'DeviceDevice', params:{buildingId:scope.row.buildingId, floorId:scope.row.floorId, roomId:scope.row.id}}">
            <el-link type="primary">{{ scope.row.deviceTotal }}</el-link>
          </router-link>
        </template>
      </el-table-column>
      <el-table-column align="center" label="关联项目数" min-width="120px" prop="itemTotal" sortable="custom"/>
      <el-table-column align="center" label="操作人员" min-width="110px" prop="updateUsername" sortable="custom"/>
      <el-table-column align="center" label="更新时间" prop="updateTime" sortable="custom" width="160px">
         <template v-slot="scope">
          {{ scope.row.updateTime | dateFormat }}
        </template>
      </el-table-column>
      <el-table-column align="center" label="操作" width="230px">
         <template v-slot="scope">
          <el-link icon="el-icon-view" type="primary" @click="onQRCode(scope.row)">二维码</el-link>
          <el-link class="ml20" icon="el-icon-edit" type="primary" @click="onUpdate(scope.row)">编辑</el-link>
          <el-link class="ml20" icon="el-icon-delete" type="danger" @click="onDelete(scope.row)">删除</el-link>
        </template>
      </el-table-column>
    </el-table>
    <pagination :page.sync="listQuery.page" :size.sync="listQuery.size" :total="total" @change="onPageChange"/>

    <el-dialog :close-on-click-modal="false" :close-on-press-escape="false" :visible.sync="exportVisible" title="导出" width="600px">
      <el-progress :percentage="exportProgress" :stroke-width="24" :text-inside="true" status="success"></el-progress>
      <el-button slot="footer" @click="onCancelExport">取 消</el-button>
    </el-dialog>
  </div>
</template>

<script>
import {dateFormat} from "@/utils/dateUtil"
import {downloadImage} from "@/utils/httpUtil";
import printJS from "print-js"

export default {
  name: "DeviceRoom",
  data() {
    return {
      shrinkable: false, // 查询条件是否可以展开
      listQuery: { // 查询对象
        buildingId: undefined, // 楼栋id
        buildingName: undefined, // 楼栋名称
        floorId: undefined, // 楼层id
        floorName: undefined, // 楼层名称
        name: undefined, // 房间名称
        order: undefined,
        page: 1,
        size: 10
      },

      list: [], // 结果列表
      total: 0, // 总结果数量

      exportVisible: false, // 是否显示导出对话框
      exportData: [], // 导出数据
      exportPagination: { // 导出分页
        page: 1,
        size: 500,
      },
      exportProgress: 0, // 导出进度
      exportCancel: false, // 是否取消导出

      editing: false, // 表格编辑中

      selectIds: undefined, // 选中多条记录的id
    }
  },

  watch: {},

  // 页面创建
  created() {
    this.initData();
    this.initEvent();
  },

  // 页面挂载
  mounted() {
    this.initQuery();
    this.getList();
    this.initView();
  },

  // keep-alive 显示界面时调用
  activated() {
    this.$refs["table"].doLayout();
    let buildingId = this.$route.params.buildingId && Number(this.$route.params.buildingId)
    let floorId = this.$route.params.floorId && Number(this.$route.params.floorId)
    if (buildingId || floorId) {
      this.listQuery.buildingId = buildingId;
      this.listQuery.floorId = floorId;
      this.getList();
    }
  },

  // keep-alive 页面隐藏
  deactivated() {
  },

  methods: {
    // 初始化数据
    initData() {
    },

    // 初始化事件
    initEvent() {
      this.$eventBus.$on("DeviceRoomAdd", this.onAddComplete);
      this.$eventBus.$on("DeviceRoomUpdate", this.onUpdateComplete);
    },

    // 初始化查询条件
    initQuery() {
      if (this.$store.state.app.paramCache) {
        let query = this.$storage.getData(this.$options.name);
        if (Object.keys(query).length > 0) {
          this.listQuery = query;
          if (query.order) {
            this.$refs.table.sort(query.order.substring(1), query.order.substring(0, 1) === "+" ? "ascending" : "descending");
          } else {
            this.$refs.table.clearSort();
          }
        }
      }
    },

    // 初始化视图
    initView() {
      this.$nextTick(() => {
        this.shrinkable = this.$store.state.app.filterShrink && this.$refs['listQuery'].$el.offsetHeight > 51;
      })
    },

    // 展开/收起查询条件
    onExpansion(show) {
      this.$refs['listQueryContainer'].$el.style.height = show ? "auto" : "51px";
    },

    // 表格索引
    indexCompute(index) {
      return index + 1 + (this.listQuery.page - 1) * this.listQuery.size;
    },

    // 表单提交
    onSubmit() {
      this.onFilterChange();
    },

    // 表单清除
    resetFields() {
      this.$refs['listQuery'].resetFields();
      this.listQuery.buildingId = undefined;
      this.listQuery.floorId = undefined;
      this.listQuery.order = undefined;
      this.$refs.table.clearSort();
      this.onFilterChange();
    },

    // 添加
    onAdd() {
      this.onCancel();
      this.$router.push({path: '/device/room/add'});
    },

    // 编辑
    onBatchDelete() {
      this.editing = true;
    },

    // 删除选中
    onDeleteSelect() {
      this.$confirm('此操作将永久删除选中的记录, 是否继续?', '提示', {
        confirmButtonText: '确认',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async () => {
        this.$axios.delete('/v1/device/room/delete', {params: {ids: this.selectIds}}).then((data) => {
          if (this.list.length <= this.selectIds.length && this.listQuery.page > 1) {
            this.listQuery.page -= 1;
          }
          this.selectIds = undefined;
          if (data > 0) {
            this.$message.success("删除成功");
          } else {
            this.$message.warning("删除失败");
          }
          this.getList();
        });
      });
    },

    // 取消编辑
    onCancel() {
      this.$refs['table'].clearSelection();
      this.editing = false;
    },

    // 添加完成
    onAddComplete() {
      this.onFilterChange();
    },

    // 房间二维码
    onQRCode(row) {
      let url = encodeURIComponent(`https://xj.chuanghai-tech.com/exitwritoff/pages/onsitpection/selectplain/selectplain?id=${row.id}`)
      let qrUrl = `http://yun.huaxiyou.cc/internal.qcode.stream?dstUrl=${url}`;
      this.$alert(`<img id="qrcode" src="${qrUrl}" style="width:100%; height:100%">`, `【${row.name}】二维码`, {
            dangerouslyUseHTMLString: true,
            confirmButtonText: '下载',
            showCancelButton: true,
            cancelButtonText: '打印',
            distinguishCancelAndClose: true,
            callback: action => {
              if (action === 'confirm') {
                downloadImage(qrUrl, `【${row.name}】二维码`)
              } else if (action === 'cancel') {
                printJS({
                  printable: "qrcode",
                  type: 'html',
                  header: null,
                  targetStyles: ['*'],
                  style: "@page {margin:0 auto}"
                })
              }
            }
          }
      )
    },

    // 更新
    onUpdate(item) {
      this.$router.push({path: '/device/room/edit', query: {id: item.id}});
    },

    // 更新完成
    onUpdateComplete() {
      this.onFilterChange();
    },

    // 删除
    onDelete(item) {
      this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
        confirmButtonText: '确认',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async () => {
        this.$axios.delete(`/v1/device/room/delete/${item.id}`).then((data) => {
          if (this.list.length === 1 && this.listQuery.page > 1) {
            this.listQuery.page -= 1;
          }
          if (data > 0) {
            this.$message.success("删除成功");
          } else {
            this.$message.warning("删除失败");
          }
          this.getList();
        });
      });
    },

    // 数据选择
    onTableSelectionChange(val) {
      this.selectIds = val.map(item => item.id);
    },

    // 排序改变
    onSortChange({prop, order}) {
      if (order === "ascending") {
        this.listQuery.order = "+" + prop;
      } else if (order === "descending") {
        this.listQuery.order = "-" + prop;
      } else {
        this.listQuery.order = undefined;
      }
      this.onFilterChange();
    },

    // 行点击
    onRowClick(row, column, event) {
      this.$refs["table"].setCurrentRow(row);
      if (this.editing) {
        this.$refs["table"].toggleRowSelection(row);
      }
    },

    // 条件改变
    onFilterChange() {
      this.listQuery.page = 1;
      this.$nextTick(this.getList);
    },

    // 页码改变
    onPageChange() {
      this.getList();
    },

    // 加载列表
    getList() {
      // 缓存参数
      if (this.$store.state.app.paramCache) {
        this.$storage.setData(this.$options.name, this.listQuery);
      }

      this.$axios.get('/v1/device/room/list', {params: this.listQuery}).then(data => {
        this.list = data.list;
        this.total = data.total;
        this.$refs["table"].doLayout();
      });
    },

    // 导出数据
    onExport() {
      if (this.total > 0) {
        this.exportPagination.page = 1;
        this.exportData = [];
        this.exportVisible = true;
        this.getExportData();
      }
    },

    // 取消导出
    onCancelExport() {
      this.exportVisible = false;
      this.exportCancel = true;
    },

    // 获取数据并导出
    getExportData() {
      if (!this.exportCancel) {
        this.$axios.get('/v1/device/room/list', {params: {...this.listQuery, ...this.exportPagination}}).then(data => {
          this.exportPagination.page++;
          this.exportData = this.exportData.concat(data.list);
          this.exportProgress = Math.round(this.exportData.length * 100 / this.total);
          if (this.exportData.length < this.total && data.list.length > 0) {
            this.getExportData();
          } else {
            this.exportVisible = false;

            let tHeader = ["序号",
              "房间名称",
              "房间编号",
              "楼栋名称",
              "楼层名称",
              "设备数量",
              "项目数量",
              "更新时间",
              "更新用户名",
            ];
            let filterVal = ["index",
              "name",
              "number",
              "buildingName",
              "floorName",
              "deviceTotal",
              "itemTotal",
              "updateTime",
              "updateUsername",
            ];
            let data = this.exportData.map((value, index) => filterVal.map((key) => {
              if (key === "index") {
                return index + 1;
              } else if (key === "updateTime") {
                return dateFormat("yyyy-MM-dd HH:mm:ss", value[key]);
              } else {
                return value[key];
              }
            }));
            import('@/utils/Export2Excel').then(excel => {
              excel.export_json_to_excel({
                header: tHeader, // 表头 必填
                data, // 具体数据 必填
                filename: '房间信息列表', // 非必填
                autoWidth: true, // 非必填
                bookType: 'xlsx' // 非必填
              })
            })
          }
        });
      }
    }
  }
}
</script>

<style lang="scss" scoped>
.app-container {
}
</style>
