<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="学校" prop="schoolId">
        <el-select v-model="queryParams.schoolId" placeholder="请选择学校" filterable clearable size="small">
          <el-option v-for="item in busiSchoolsOptions" :key="item.id" :label="item.name" :value="item.id"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="年级" prop="gradeId">
        <el-select v-model="queryParams.gradeId" placeholder="请选择年级" filterable clearable size="small">
          <el-option v-for="item in busiGradesOptions" :key="item.id" :label="item.name" :value="item.id"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="学年" prop="year">
        <el-input v-model="queryParams.year" placeholder="请输入学年" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="名称" prop="name">
        <el-input v-model="queryParams.name" placeholder="请输入名称" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="是否生效" prop="status">
        <el-select v-model="queryParams.status" placeholder="请选择是否生效" clearable>
          <el-option v-for="dict in dict.type.bool_flag" :key="dict.value" :label="dict.label" :value="dict.value" />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @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 :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd" v-hasPermi="['voluntary:busiClasses:add']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" plain icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate" v-hasPermi="['voluntary:busiClasses:edit']">修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="danger" plain icon="el-icon-delete" size="mini" :disabled="multiple" @click="handleDelete" v-hasPermi="['voluntary:busiClasses:remove']">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="el-icon-download" size="mini" @click="handleExport" v-hasPermi="['voluntary:busiClasses:export']">导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="busiClassesList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="班级ID" align="center" prop="classId" />
      <el-table-column label="学校" align="center" prop="schoolName" />
      <el-table-column label="年级" align="center" prop="gradeName" />
      <el-table-column label="学年" align="center" prop="year" />
      <el-table-column label="名称" align="center" prop="name" />
      <el-table-column label="是否生效" align="center" prop="status">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.bool_flag" :value="scope.row.status" />
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)" v-hasPermi="['voluntary:busiClasses:edit']">修改</el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)" v-hasPermi="['voluntary:busiClasses:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <pagination v-show="total > 0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize" @pagination="getList" />
    <!-- 添加或修改班级对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="学校" prop="schoolId">
          <el-select v-model="form.schoolId" placeholder="请选择学校" clearable size="small">
            <el-option v-for="dict in busiSchoolsOptions" :key="dict.id" :label="dict.name" :value="dict.id" />
          </el-select>
        </el-form-item>
        <el-form-item label="年级" prop="gradeId">
          <el-select v-model="form.gradeId" placeholder="请选择年级" clearable size="small">
            <el-option v-for="dict in busiGradesOptions" :key="dict.id" :label="dict.name" :value="dict.id" />
          </el-select>
        </el-form-item>
        <el-form-item label="学年" prop="year">
          <el-input v-model="form.year" placeholder="请输入学年" />
        </el-form-item>
        <el-form-item label="名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入名称" />
        </el-form-item>
        <el-form-item label="是否生效" prop="status">
          <el-select v-model="form.status" placeholder="请选择是否生效">
            <el-option v-for="dict in dict.type.bool_flag" :key="dict.value" :label="dict.label" :value="parseInt(dict.value)"></el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { getAllBusiSchools } from "@/api/voluntary/busiSchools";
import { listBusiGrade } from "@/api/voluntary/busiGrade";
import { listBusiClasses, getBusiClasses, delBusiClasses, addBusiClasses, updateBusiClasses } from "@/api/voluntary/busiClasses";

export default {
  name: "BusiClasses",
  dicts: ['bool_flag'],
  data() {
    return {
      busiSchoolsOptions: [],
      busiGradesOptions: [],
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 班级表格数据
      busiClassesList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        schoolId: null,
        gradeId: null,
        year: null,
        name: null,
        status: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    // 显示学校名称
    solverSchoolName(row) {
      return this.busiSchoolsOptions.find(item => item.id === row.schoolId)?.name ?? '';
    },
    /** 查询班级列表 */
    async getList() {
      this.loading = true;
      // 先加载学校列表
      await getAllBusiSchools().then(response => {
        this.busiSchoolsOptions = response.data;
      });
      await listBusiGrade({ pageSize: 100 }).then(res => {
        this.busiGradesOptions = res.rows;
      })
      // 后加载班级列表
      await listBusiClasses(this.queryParams).then(response => {
        this.busiClassesList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },

    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        classId: null,
        schoolId: null,
        gradeId: null,
        year: null,
        name: null,
        status: null,
        createTime: null,
        updateTime: null
      };
      this.resetForm("form");
    },
    /** 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();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.classId)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加班级";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const classId = row.classId || this.ids
      getBusiClasses(classId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改班级";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.classId != null) {
            updateBusiClasses(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addBusiClasses(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const classIds = row.classId || this.ids;
      this.$modal.confirm('是否确认删除班级编号为"' + classIds + '"的数据项？').then(function () {
        return delBusiClasses(classIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => { });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('voluntary/busiClasses/export', {
        ...this.queryParams
      }, `busiClasses_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
