<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      <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="监听类型" prop="type">
        <el-select v-model="queryParams.type" placeholder="请选择监听类型" clearable>
          <el-option
            v-for="dict in flowable_listener_type"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" :icon="Search" size="default" @click="handleQuery">搜索</el-button>
        <el-button :icon="Refresh" size="default" @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="Plus"
          size="small"
          @click="handleAdd"
          v-hasPermi="['flowable:listener:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          :icon="Edit"
          size="small"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['flowable:listener:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          :icon="Delete"
          size="small"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['flowable:listener:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          :icon="Download"
          size="small"
          @click="handleExport"
          v-hasPermi="['flowable:listener:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="listenerList.value" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="名称" align="center" prop="name" />
      <el-table-column label="监听类型" align="center" prop="type">
        <template #default="scope">
          <dict-tag :options="flowable_listener_type" :value="scope.row.type"/>
        </template>
      </el-table-column>
      <el-table-column label="事件类型" align="center" prop="eventType"/>
      <el-table-column label="值类型" align="center" prop="valueType">
        <template #default="scope">
          <dict-tag :options="flowable_listener_value_type" :value="scope.row.valueType"/>
        </template>
      </el-table-column>
      <el-table-column label="执行内容" align="center" prop="value" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template #default="scope">
          <el-button
            size="mini"
            type="text"
            :icon="Edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['flowable:listener:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            :icon="Delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['flowable:listener: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"
    />

    <!-- 添加或修改流程监听对话框 -->
    <el-dialog v-model="open" :title="title" width="500px" append-to-body>
      <el-form ref="formRef" :model="form" :rules="rules" label-width="80px">
        <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="监听类型" prop="type">
          <el-select v-model="form.type" placeholder="请选择监听类型">
            <el-option
              v-for="dict in flowable_listener_type"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="事件类型" prop="eventType" v-if="form.type === '1'">
          <el-select v-model="form.eventType" placeholder="请选择事件类型">
            <el-option
              v-for="dict in taskListenerEventList"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="事件类型" prop="eventType" v-else>
          <el-select v-model="form.eventType" placeholder="请选择事件类型">
            <el-option
              v-for="dict in executionListenerEventList"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="值类型" prop="valueType">
          <el-radio-group v-model="form.valueType">
            <el-radio
              v-for="dict in flowable_listener_value_type"
              :key="dict.value"
              :label="dict.value"
            >{{dict.label}}</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="执行内容" prop="value">
          <el-input v-model="form.value" placeholder="请输入执行内容" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm(formRef)">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script lang="ts" name="Listener" setup>
import { listListener, getListener, delListener, addListener, updateListener } from "@/api/flowable/listener";
import { ref, reactive, getCurrentInstance } from "vue";
import { Search, Refresh, Plus, Edit, Delete, Download } from '@element-plus/icons-vue'
import type { FormInstance, FormRules, ElForm } from "element-plus";

// 引入getCurrentInstance,使用全局方法,并且类型断言
const { proxy } = getCurrentInstance() as any;
const { flowable_listener_type } = proxy.useDict("flowable_listener_type");
const { flowable_listener_value_type } = proxy.useDict("flowable_listener_value_type");

const queryForm = ref<InstanceType<typeof ElForm>>();
const formRef = ref<FormInstance>()

// 遮罩层
const loading = ref<boolean>(true);
// 选中数组
const ids = reactive({
	value: [],
});
// 非单个禁用
const single = ref<boolean>(true);
// 非多个禁用
const multiple = ref<boolean>(true);
// 显示搜索条件
const showSearch = ref<boolean>(true);
// 总条数
const total = ref<number>(0);
// 流程监听表格数据
const listenerList = reactive({
	value: [],
});
// 弹出层标题
const title = ref<string>("");
// 是否显示弹出层
const open = ref<boolean>(false);
// 查询参数
const queryParams = reactive({
	pageNum: 1,
  pageSize: 10,
  name: null,
  type: null,
  eventType: null,
  valueType: '',
  value: null,
  status: null,
});
// 表单参数
const form = reactive({
	id: null,
  name: null,
  type: null,
  eventType: null,
  valueType: '',
  value: null,
  createTime: null,
  updateTime: null,
  createBy: null,
  updateBy: null,
  status: null,
  remark: null
});
// 表单校验
const rules = reactive<FormRules>({})

const taskListenerEventList = reactive<any>([
  {label: 'create', value: 'create'},
  {label: 'assignment', value: 'assignment'},
  {label: 'complete', value: 'complete'},
  {label: 'delete', value: 'delete'},
])
const executionListenerEventList = reactive<any>([
  {label: 'start', value: 'start'},
  {label: 'end', value: 'end'},
  {label: 'take', value: 'take'},
])

/** 查询流程监听列表 */
const getList = () => {
  loading.value = true;
  listListener(queryParams).then((response: any) => {
    listenerList.value = response.rows;
    total.value = response.total;
    loading.value = false;
  });
}
getList()

// 取消按钮
const cancel = () => {
  open.value = false;
  reset();
}

// 表单重置
const reset = () => {
  proxy.resetForm(formRef);
}

/** 搜索按钮操作 */
const handleQuery = () => {
  queryParams.pageNum = 1;
  getList();
}

/** 重置按钮操作 */
const resetQuery = () => {
  proxy.resetForm(queryForm);
  handleQuery();
}

// 多选框选中数据
const handleSelectionChange = (selection: any) => {
  ids.value = selection.map((item: any) => item.id)
  single.value = selection.length!==1
  multiple.value = !selection.length
}

/** 新增按钮操作 */
const handleAdd = () => {
  reset();
  open.value = true;
  title.value = "添加流程监听";
}

/** 修改按钮操作 */
const handleUpdate = (row: any) => {
  reset();
  const id = row.id || ids.value
  getListener(id).then((response: any) => {
    form.id = response.data.id;
		form.name = response.data.name;
		form.type = response.data.type;
		form.eventType = response.data.eventType;
		form.valueType = response.data.valueType;
		form.value = response.data.value;
		form.createTime = response.data.createTime;
		form.updateTime = response.data.updateTime;
		form.updateBy = response.data.updateBy;
		form.status = response.data.status;
		form.remark = response.data.remark;
    open.value = true;
    title.value = "修改流程监听";
  });
}


/** 提交按钮 */
const submitForm = async (formEl: FormInstance | undefined) => {
  if (!formEl) return
  await formEl.validate((valid) => {
    if (valid) {
      if (form.id != null) {
        updateListener(form).then(response => {
          proxy.$modal.msgSuccess("修改成功");
          open.value = false;
          getList();
        });
      } else {
        addListener(form).then(response => {
          proxy.$modal.msgSuccess("新增成功");
          open.value = false;
          getList();
        });
      }
    }
  })
}

/** 删除按钮操作 */
const handleDelete = (row: any) => {
	const id = row.id || ids.value;
	proxy.$modal
		.confirm('是否确认删除流程达式编号为"' + id + '"的数据项？')
		.then(function () {
			return delListener(id);
		})
		.then(() => {
			getList();
			proxy.$modal.msgSuccess("删除成功");
		})
		.catch(() => {});
}

 /** 导出按钮操作 */
const handleExport = () => {
  proxy.download('flowable/listener/export', {
    ...queryParams
  }, `listener_${new Date().getTime()}.xlsx`)
}
</script>

<style lang="scss" scoped>
.dialog-footer {
  display: flex;
	justify-content: flex-end;
	.el-button:nth-child(2) {
		margin-right: 10px;
	}
}
</style>