<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true">
      <el-form-item label="分类名称" prop="categoryName">
        <el-input
          v-model="queryParams.categoryName"
          placeholder="请输入分类名称"
          clearable
          style="width: 240px"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select
          v-model="queryParams.status"
          placeholder="分类状态"
          clearable
          style="width: 240px">
          <el-option :key="0" label="正常" :value="0"/>
          <el-option :key="1" label="停用" :value="1"/>
        </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" style="margin-bottom: 8px">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['task:category:add']"
        >新增
        </el-button>
      </el-col>
    </el-row>

    <el-table :data="categoryList"
              border
              stripe
              size="mini">
      <el-table-column label="分类编号" prop="id" width="100"/>
      <el-table-column label="分类名称" prop="categoryName" :show-overflow-tooltip="true"/>
      <el-table-column label="分类描述" prop="description" :show-overflow-tooltip="true"/>
      <el-table-column label="状态" align="center">
        <template slot-scope="scope">
          <el-tag type="success" size="small" v-if="scope.row.status==0">正常</el-tag>
          <el-tag type="info" size="small" v-else>停用</el-tag>
        </template>
      </el-table-column>
      <el-table-column label="创建时间" align="center" prop="createTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime) }}</span>
        </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="['task:category:edit']"
          >修改
          </el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['task:category:delete']"
          >删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <div style="margin-top: 10px;text-align: center">
      <el-pagination
        background
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryParams.pageNum"
        :page-sizes="[10, 20, 50]"
        :page-size="queryParams.pageSize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
    </div>

    <!-- 添加或修改分类配置对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" size="mini" label-width="100px">
        <el-form-item label="分类名称" prop="categoryName">
          <el-input v-model="form.categoryName" placeholder="请输入分类名称"/>
        </el-form-item>
        <el-form-item label="状态" prop="status">
          <el-radio-group v-model="form.status">
            <el-radio label="0">正常</el-radio>
            <el-radio label="1">停用</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="分类描述" prop="description">
          <el-input v-model="form.description" type="textarea" placeholder="请输入内容"></el-input>
        </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 {
  listCategory,
  getCategory,
  delCategory,
  addCategory,
  updateCategory
} from "@/api/task/category";

export default {
  name: "Category",
  data() {
    return {
      // 总条数
      total: 0,
      // 分类表格数据
      categoryList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 是否显示弹出层（数据权限）
      openDataScope: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        categoryName: undefined,
        description: undefined,
        status: undefined
      },
      // 表单参数
      form: {},

      // 表单校验
      rules: {
        categoryName: [
          {required: true, message: "分类名称不能为空", trigger: "blur"}
        ],
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询分类列表 */
    getList() {
      listCategory(this.queryParams).then(res => {
          this.categoryList = res.data.records;
          this.total = res.data.total;
        }
      );
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 取消按钮（数据权限）
    cancelDataScope() {
      this.openDataScope = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: undefined,
        categoryName: undefined,
        description: undefined,
        status: "0",
      };
      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();
    },
    handleSizeChange(val) {
      this.pageSize = val;
      this.getList();
    },
    handleCurrentChange(val) {
      this.pageNum = val;
      this.getList();
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加分类";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      getCategory(row.id).then(res => {
        this.form = res.data;
        this.open = true;
        this.title = "修改分类";
      });
    },


    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != undefined) {
            updateCategory(this.form).then(res => {
              this.$message.success("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addCategory(this.form).then(res => {
              this.$message.success("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },

    /** 删除按钮操作 */
    handleDelete(row) {
      this.$confirm('是否确认删除分类编号为"' + row.id + '"的数据项？').then(() => {
        return delCategory(row.id);
      }).then(() => {
        this.getList();
        this.$message.success("删除成功");
      }).catch(() => {
      });
    },
  }
};
</script>
