<template>
  <!-- 导入表 -->
  <el-dialog :visible.sync="visible" append-to-body title="导入表" top="5vh" width="800px">
    <el-form ref="queryForm" :inline="true" :model="queryParams" size="small">
      <el-form-item label="数据库名称" prop="dbName">
        <el-select v-model="queryParams.dbName" placeholder="请选择数据库" clearable>
          <el-option v-for="item in dbs" :key="item" :label="item" :value="item"/>
        </el-select>
      </el-form-item>
      <el-form-item label="表名称" prop="tableName">
        <el-input
          v-model="queryParams.tableName"
          clearable
          placeholder="请输入表名称"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="表描述" prop="tableComment">
        <el-input
          v-model="queryParams.tableComment"
          clearable
          placeholder="请输入表描述"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button icon="el-icon-search" size="mini" type="primary" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>
    <el-row>
      <el-table ref="table" :data="dbTableList" height="260px" @row-click="clickRow"
                @selection-change="handleSelectionChange">
        <el-table-column type="selection" width="55"></el-table-column>
        <el-table-column :show-overflow-tooltip="true" label="表名称" prop="tableName"></el-table-column>
        <el-table-column :show-overflow-tooltip="true" label="表描述" prop="tableComment"></el-table-column>
        <el-table-column label="创建时间" prop="createTime"></el-table-column>
        <el-table-column label="更新时间" prop="updateTime"></el-table-column>
      </el-table>
      <pagination
        v-show="total>0"
        :limit.sync="queryParams.pageSize"
        :page.sync="queryParams.pageNum"
        :total="total"
        @pagination="getList"
      />
    </el-row>
    <div slot="footer" class="dialog-footer">
      <el-button type="primary" @click="handleImportTable">确 定</el-button>
      <el-button @click="visible = false">取 消</el-button>
    </div>
  </el-dialog>
</template>

<script>
import {importTable, listDbTable, selDbNameAll} from "@/api/tool/gen";

export default {
  data() {
    return {
      // 遮罩层
      visible: false,
      // 选中数组值
      tables: [],
      // 总条数
      total: 0,
      // 表数据
      dbTableList: [],
      dbs: [],
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        tableName: undefined,
        tableComment: undefined,
        dbName: ''
      }
    };
  },
  methods: {
    // 显示弹框
    show() {
      this.getList();
      this.selDbNameList();
      this.visible = true;
    },
    clickRow(row) {
      this.$refs.table.toggleRowSelection(row);
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.tables = selection.map(item => item.tableName);
    },
    // 查询表数据
    getList() {
      listDbTable(this.queryParams).then(res => {
        this.dbTableList = res.data.rows;
        this.total = res.data.total;
      });
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    /** 导入按钮操作 */
    handleImportTable() {
      const tableNames = this.tables.join(",");
      if (tableNames == "") {
        this.$modal.msgError("请选择要导入的表");
        return;
      }
      const dbName = this.queryParams.dbName;
      importTable(tableNames, dbName).then(res => {
        console.log(res)
        if (res.code === 200){
          this.$modal.msgSuccess("成功");
          this.visible = false;
          this.$emit("ok");
        }else{
          this.$modal.msgSuccess(res.data.msg);
        }
      });
    },
    // 查询所有数据库名称
    selDbNameList() {
      selDbNameAll().then(res => {
        this.dbs = res.data
      })
    }
  }
};
</script>
