<template>
  <div>
    <!--引用表格-->
    <BasicTable
      @register="registerTable"
      :rowSelection="rowSelection"
      :expandedRowKeys="expandedRowKeys"
      @expand="handleExpand"
      @fetch-success="onFetchSuccess"
    >
      <!--插槽:table标题-->
      <template #tableTitle>
        <c-button
          v-show="hasPermission('linker:device:category:add')"
          type="primary"
          preIcon="ant-design:plus-outlined"
          @click="handleCreate"
        >
          新增
        </c-button>
        <!--  <c-button type="primary" preIcon="ant-design:export-outlined" @click="onExportXls">导出</c-button>
        <j-upload-button type="primary" preIcon="ant-design:import-outlined" @click="onImportXls">导入</j-upload-button>-->

        <a-dropdown v-if="selectedRowKeys.length > 0">
          <template #overlay>
            <a-menu>
              <a-menu-item v-if="hasPermission('linker:device:category:deleteBatch')" key="1" @click="batchHandleDelete">
                <Icon icon="ant-design:delete-outlined" />
                删除
              </a-menu-item>
            </a-menu>
          </template>
          <c-button
            >批量操作
            <Icon icon="ant-design:down-outlined" />
          </c-button>
        </a-dropdown>
      </template>
      <!--操作栏-->
      <template #action="{ record }">
        <TableAction :actions="getTableAction(record)" :dropDownActions="getDropDownAction(record)" />
      </template>
    </BasicTable>
    <IotProductCategoryDrawer @register="registerDrawer" @success="handleSuccess" />
  </div>
</template>

<script lang="ts" setup>
  import { ref, unref } from 'vue';
  import { BasicTable, TableAction, useDrawer, useListPage, Icon } from '@jdlinker/ui';
  import IotProductCategoryDrawer from './components/DeviceCategoryDrawer.vue';
  import { columns, searchFormSchema } from './data';
  import {
    list,
    deleteIotProductCategory,
    batchDeleteIotProductCategory,
    getExportUrl,
    getImportUrl,
    getChildList,
    getChildListBatch
  } from '../../../api/device/category';
  import { usePermission } from '@jdlinker/func';

  const { hasPermission } = usePermission();
  const expandedRowKeys = ref<any[]>([]);
  //注册Drawer
  const [registerDrawer, { openDrawer }] = useDrawer();
  //注册table数据
  const { tableContext } = useListPage({
    tableProps: {
      api: list,
      title: 'iot_product_category',
      columns,
      formConfig: {
        schemas: searchFormSchema
      },
      isTreeTable: true
    },
    exportConfig: {
      name: 'iot_product_category',
      url: getExportUrl
    },
    importConfig: {
      url: getImportUrl,
      success: importSuccess
    }
  });

  const [
    registerTable,
    { reload, updateTableDataRecord, findTableDataRecord, getDataSource },
    { rowSelection, selectedRowKeys }
  ] = tableContext;

  /**
   * 新增事件
   */
  function handleCreate() {
    openDrawer(true, { isUpdate: 0, showFooter: true });
  }

  /**
   * 编辑事件
   */
  async function handleEdit(record) {
    openDrawer(true, { record, isUpdate: 1, showFooter: true });
  }

  /**
   * 详情
   */
  async function handleDetail(record) {
    openDrawer(true, { record, isUpdate: 2 });
  }

  /**
   * 删除事件
   */
  async function handleDelete(record) {
    await deleteIotProductCategory({ id: record.id }, importSuccess);
  }

  /**
   * 批量删除事件
   */
  async function batchHandleDelete() {
    const ids = selectedRowKeys.value.filter((item) => !item.includes('loading'));
    await batchDeleteIotProductCategory({ id: ids }, importSuccess);
  }
  /**
   * 导入
   */
  function importSuccess() {
    (selectedRowKeys.value = []) && reload();
  }
  /**
   * 添加下级
   */
  function handleAddSub(record) {
    openDrawer(true, { record: { parentId: record.id }, isUpdate: 0, showFooter: true });
  }
  /**
   * 成功回调
   */
  async function handleSuccess({ isUpdate, values, expandedArr, changeParent }) {
    if (isUpdate) {
      if (changeParent) {
        reload();
      } else {
        // 编辑回调
        updateTableDataRecord(values.id, values);
      }
    } else {
      if (!values['id'] || !values['pid']) {
        //新增根节点
        reload();
      } else {
        //新增子集
        expandedRowKeys.value = [];
        for (let key of unref(expandedArr)) {
          await expandTreeNode(key);
        }
      }
    }
  }

  /**
   * 接口请求成功后回调
   */
  function onFetchSuccess(R) {
    getDataByR(R.items) && loadDataByExpandedRows();
  }
  /**
   * 根据已展开的行查询数据（用于保存后刷新时异步加载子级的数据）
   */
  async function loadDataByExpandedRows() {
    if (unref(expandedRowKeys).length > 0) {
      const res = await getChildListBatch({ parentIds: unref(expandedRowKeys).join(',') });
      if (res.success && res.R.records.length > 0) {
        //已展开的数据批量子节点
        let records = res.R.records;
        const listMap = new Map();
        for (let item of records) {
          let pid = item['pid'];
          if (unref(expandedRowKeys).includes(pid)) {
            let mapList = listMap.get(pid);
            if (mapList == null) {
              mapList = [];
            }
            mapList.push(item);
            listMap.set(pid, mapList);
          }
        }
        let childrenMap = listMap;
        let fn = (list) => {
          if (list) {
            list.forEach((data) => {
              if (unref(expandedRowKeys).includes(data?.id)) {
                data.children = getDataByR(childrenMap.get(data.id));
                fn(data.children);
              }
            });
          }
        };
        fn(getDataSource());
      }
    }
  }
  /**
   * 处理数据集
   */
  function getDataByR(R) {
    if (R && R.length > 0) {
      return R.map((item) => {
        //判断是否标记了带有子节点
        if (item['hasChild'] == '1') {
          let loadChild = { id: item.id + '_loadChild', name: 'loading...', isLoading: true };
          item.children = [loadChild];
        }
        return item;
      });
    }
  }
  /**
   *树节点展开合并
   * */
  async function handleExpand(expanded, record) {
    // 判断是否是展开状态，展开状态(expanded)并且存在子集(children)并且未加载过(isLoading)的就去查询子节点数据
    if (expanded) {
      expandedRowKeys.value.push(record?.id);
      if (record.children.length > 0 && !!record.children[0].isLoading) {
        let R = await getChildList({ pid: record.id });
        R = R.records ? R.records : R;
        if (R && R.length > 0) {
          record.children = getDataByR(R);
        } else {
          record.children = null;
          record.hasChild = '0';
        }
      }
    } else {
      let keyIndex = expandedRowKeys.value.indexOf(record.id);
      if (keyIndex >= 0) {
        expandedRowKeys.value.splice(keyIndex, 1);
      }
    }
  }
  /**
   *操作表格后处理树节点展开合并
   * */
  async function expandTreeNode(key) {
    let record: any = findTableDataRecord(key);
    expandedRowKeys.value.push(key);
    let R = await getChildList({ pid: key });
    if (R && R.length > 0) {
      record.children = getDataByR(R);
    } else {
      record.children = null;
      record.hasChild = '0';
    }
    updateTableDataRecord(key, record);
  }
  /**
   * 操作栏
   */
  function getTableAction(record) {
    return [
      {
        icon: 'clarity:note-edit-line',
        tooltip: '编辑',
        onClick: handleEdit.bind(null, record),
        ifShow: () => hasPermission('linker:device:category:edit')
      },
      {
        icon: 'ant-design:apartment-outlined',
        tooltip: '添加下级',
        onClick: handleAddSub.bind(null, { pid: record.id }),
        ifShow: () => hasPermission('linker:device:category:subordinate')
      }
    ];
  }
  /**
   * 下拉操作栏
   */
  function getDropDownAction(record) {
    return [
      {
        label: '详情',
        onClick: handleDetail.bind(null, record),
        ifShow: () => hasPermission('linker:device:category:detail')
      },
      {
        label: '删除',
        popConfirm: {
          title: '确定删除吗?',
          confirm: handleDelete.bind(null, record)
        },
        ifShow: () => hasPermission('linker:device:category:delete')
      }
    ];
  }
</script>
