<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="标题" prop="title">
        <el-input
          v-model="queryParams.title"
          placeholder="请输入待办事项标题"
          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 statusOptions"
            :key="dict.dictValue"
            :label="dict.dictLabel"
            :value="dict.dictValue"
          />
        </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="['todo:todoItems: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="['todo:todoItems: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="['todo:todoItems:remove']"
        >删除</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="todoItemsList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="ID" align="center" prop="id" />
      <el-table-column label="标题" align="center" prop="title" />
      <el-table-column label="描述" align="center" prop="description" show-overflow-tooltip />
      <el-table-column label="状态" align="center" prop="status">
        <template slot-scope="scope">
          <dict-tag :options="statusOptions" :value="scope.row.status"/>
        </template>
      </el-table-column>
      <el-table-column label="优先级" align="center" prop="priority">
        <template slot-scope="scope">
          <dict-tag :options="priorityOptions" :value="scope.row.priority"/>
        </template>
      </el-table-column>
      <el-table-column label="截止时间" align="center" prop="dueDate" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.dueDate, '{y}-{m}-{d}') }}</span>
        </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, '{y}-{m}-{d} {h}:{i}:{s}') }}</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="['todo:todoItems:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-check"
            @click="handleUpdateStatus(scope.row)"
            v-hasPermi="['todo:todoItems:edit']"
          >更新状态</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['todo:todoItems: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"
    />

    <!-- 添加或修改待办事项对话框 -->
    <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="标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入待办事项标题" />
        </el-form-item>
        <el-form-item label="描述" prop="description">
          <el-input v-model="form.description" type="textarea" placeholder="请输入描述" />
        </el-form-item>
        <el-form-item label="状态" prop="status">
          <el-select v-model="form.status" placeholder="请选择状态" default-first-option>
            <el-option
              v-for="dict in statusOptions"
              :key="dict.dictValue"
              :label="dict.dictLabel"
              :value="dict.dictValue"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="优先级" prop="priority">
          <el-select v-model="form.priority" placeholder="请选择优先级">
            <el-option
              v-for="dict in priorityOptions"
              :key="dict.dictValue"
              :label="dict.dictLabel"
              :value="dict.dictValue"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="截止时间" prop="dueDate">
          <el-date-picker clearable
                          v-model="form.dueDate"
                          type="date"
                          value-format="yyyy-MM-dd"
                          placeholder="请选择截止时间">
          </el-date-picker>
        </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>

    <!-- 更新状态对话框 -->
    <el-dialog title="更新状态" :visible.sync="statusOpen" width="300px" append-to-body>
      <el-form ref="statusForm" :model="statusForm" label-width="80px">
        <el-form-item label="状态" prop="status">
          <el-select v-model="statusForm.status" placeholder="请选择状态">
            <el-option
              v-for="dict in statusOptions"
              :key="dict.dictValue"
              :label="dict.dictLabel"
              :value="dict.dictValue"
            ></el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitStatusForm">确 定</el-button>
        <el-button @click="cancelStatus">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listTodoItems, getTodoItems, delTodoItems, addTodoItems, updateTodoItems, updateTodoItemsStatus } from "@/api/todo/todoItems";

export default {
  name: "TodoItems",
  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,
      // 待办事项表格数据
      todoItemsList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 是否显示状态更新弹出层
      statusOpen: false,
      // 状态选项
      statusOptions: [],
      // 优先级选项
      priorityOptions: [],
      todoItemTypeOptions: [],
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        title: null,
        status: null
      },
      // 表单参数
      form: {
        status: 0
      },
      // 状态表单参数
      statusForm: {},
      // 表单校验
      rules: {
        title: [
          { required: true, message: "标题不能为空", trigger: "blur" }
        ],
        status: [
          { required: true, message: "状态不能为空", trigger: "change" }
        ]
      }
    };
  },
  created() {
    this.getList();
    this.getDicts("todo_status").then(response => {
      this.statusOptions = response.data;
    });
    this.getDicts("todo_priority").then(response => {
      this.priorityOptions = response.data;
    });
    this.getDicts("todo_item_type").then(response => {
      this.todoItemTypeOptions = response.data;
    });
  },
  methods: {
    /** 查询待办事项列表 */
    getList() {
      this.loading = true;
      listTodoItems(this.queryParams).then(response => {
        this.todoItemsList = response.data.list;
        this.total = response.data.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 取消状态更新
    cancelStatus() {
      this.statusOpen = false;
      this.statusForm = {};
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        title: null,
        description: null,
        status: null,
        priority: null,
        dueDate: 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.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加待办事项";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getTodoItems(id).then(response => {
        this.form = response.data;
        // 确保数据类型匹配
        if (this.form.status !== null && this.form.status !== undefined) {
          this.form.status = String(this.form.status);
        }
        if (this.form.priority !== null && this.form.priority !== undefined) {
          this.form.priority = String(this.form.priority);
        }
        this.open = true;
        this.title = "修改待办事项";
      });
    },
    /** 更新状态按钮操作 */
    handleUpdateStatus(row) {
      this.statusForm = {
        id: row.id,
        status: String(row.status)
      };
      this.statusOpen = true;
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateTodoItems(this.form).then(response => {
              this.$message.success("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addTodoItems(this.form).then(response => {
              this.$message.success("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 提交状态更新 */
    submitStatusForm() {
      updateTodoItemsStatus(this.statusForm.id, this.statusForm.status).then(response => {
        this.$message.success("状态更新成功");
        this.statusOpen = false;
        this.getList();
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$confirm('是否确认删除待办事项编号为"' + ids + '"的数据项？').then(function() {
        return delTodoItems(ids);
      }).then(() => {
        this.getList();
        this.$message.success("删除成功");
      }).catch(() => {});
    }
  }
}
</script>

<style scoped>
.mb8 {
  margin-bottom: 8px;
}
.fixed-width {
  width: 100px;
}
</style>
