<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="学期编码" prop="semesterCode">
        <el-input
          v-model="queryParams.semesterCode"
          placeholder="请输入学期编码"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="学期名称" prop="semesterName">
        <el-input
          v-model="queryParams.semesterName"
          placeholder="请输入学期名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="请选择状态" clearable>
          <el-option
            v-for="dict in dict.type.edu_semester_status"
            :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="['education:semester: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="['education:semester: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="['education:semester: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="['education:semester:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="semesterList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="学期ID" align="center" prop="semesterId" />
      <el-table-column label="学期编码" align="center" prop="semesterCode" />
      <el-table-column label="学期名称" align="center" prop="semesterName" />
      <el-table-column label="教学开始日期" align="center" prop="startDate" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.startDate, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="教学结束日期" align="center" prop="endDate" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.endDate, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="选课开始时间" align="center" prop="enrollStartTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.enrollStartTime, '{y}-{m}-{d} {h}:{i}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="选课结束时间" align="center" prop="enrollEndTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.enrollEndTime, '{y}-{m}-{d} {h}:{i}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="状态" align="center" prop="status">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.edu_semester_status" :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="['education:semester:edit']"
          >修改</el-button>
          <el-button
            v-if="scope.row.status == '0'"
            size="mini"
            type="text"
            icon="el-icon-video-play"
            @click="handlePublish(scope.row)"
            v-hasPermi="['education:semester:publish']"
          >发布</el-button>
          <el-button
            v-if="scope.row.status == '1'"
            size="mini"
            type="text"
            icon="el-icon-folder"
            @click="handleArchive(scope.row)"
            v-hasPermi="['education:semester:archive']"
          >归档</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['education:semester: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"
    />

    <!-- 添加或修改学期信息对话框 -->
    <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="学期编码" prop="semesterCode">
          <el-input v-model="form.semesterCode" placeholder="请输入学期编码，如：2024-2025-1" />
        </el-form-item>
        <el-form-item label="学期名称" prop="semesterName">
          <el-input v-model="form.semesterName" placeholder="请输入学期名称，如：2024-2025学年第一学期" />
        </el-form-item>
        <el-form-item label="教学开始日期" prop="startDate">
          <el-date-picker clearable
            v-model="form.startDate"
            type="date"
            value-format="yyyy-MM-dd"
            placeholder="请选择教学开始日期">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="教学结束日期" prop="endDate">
          <el-date-picker clearable
            v-model="form.endDate"
            type="date"
            value-format="yyyy-MM-dd"
            placeholder="请选择教学结束日期">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="选课开始时间" prop="enrollStartTime">
          <el-date-picker clearable
            v-model="form.enrollStartTime"
            type="datetime"
            value-format="yyyy-MM-dd HH:mm:ss"
            placeholder="请选择选课开始时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="选课结束时间" prop="enrollEndTime">
          <el-date-picker clearable
            v-model="form.enrollEndTime"
            type="datetime"
            value-format="yyyy-MM-dd HH:mm:ss"
            placeholder="请选择选课结束时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" type="textarea" placeholder="请输入内容" />
        </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 { listSemester, getSemester, delSemester, addSemester, updateSemester, publishSemester, archiveSemester } from "@/api/education/semester"

export default {
  name: "Semester",
  dicts: ['edu_semester_status'],
  data() {
    return {
      // 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,
      // 学期信息表格数据
      semesterList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        semesterCode: null,
        semesterName: null,
        startDate: null,
        endDate: null,
        enrollStartTime: null,
        enrollEndTime: null,
        status: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        semesterCode: [
          { required: true, message: "学期编码不能为空", trigger: "blur" }
        ],
        semesterName: [
          { required: true, message: "学期名称不能为空", trigger: "blur" }
        ],
        startDate: [
          { required: true, message: "教学开始日期不能为空", trigger: "blur" }
        ],
        endDate: [
          { required: true, message: "教学结束日期不能为空", trigger: "blur" }
        ],
        enrollStartTime: [
          { required: true, message: "选课开始时间不能为空", trigger: "blur" }
        ],
        enrollEndTime: [
          { required: true, message: "选课结束时间不能为空", trigger: "blur" }
        ]
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询学期信息列表 */
    getList() {
      this.loading = true;
      listSemester(this.queryParams).then(response => {
        this.semesterList = 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 = {
        semesterId: null,
        semesterCode: null,
        semesterName: null,
        startDate: null,
        endDate: null,
        enrollStartTime: null,
        enrollEndTime: null,
        status: "0",
        remark: 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.semesterId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加学期信息";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const semesterId = row.semesterId || this.ids
      getSemester(semesterId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改学期信息";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.semesterId != null) {
            updateSemester(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addSemester(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const semesterIds = row.semesterId || this.ids;
      this.$modal.confirm('是否确认删除学期信息编号为"' + semesterIds + '"的数据项？').then(function() {
        return delSemester(semesterIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 发布按钮操作 */
    handlePublish(row) {
      this.$modal.confirm('是否确认发布学期"' + row.semesterName + '"？发布后将开放选课功能。').then(function() {
        return publishSemester(row.semesterId);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("发布成功");
      }).catch(() => {});
    },
    /** 归档按钮操作 */
    handleArchive(row) {
      this.$modal.confirm('是否确认归档学期"' + row.semesterName + '"？归档后将无法再进行选课。').then(function() {
        return archiveSemester(row.semesterId);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("归档成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('education/semester/export', {
        ...this.queryParams
      }, `semester_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>