<template>
  <div class="ele-body">
    <a-card :bordered="false">
      <!-- 表格 -->
      <ele-pro-table
        ref="tableRef"
        row-key="categoryId"
        :columns="columns"
        :datasource="datasource"
        :parse-data="parseData"
        :need-page="false"
        :expand-icon-column-index="1"
        :expanded-row-keys="expandedRowKeys"
        :scroll="{ x: 1200 }"
        cache-key="proArticleCategoryTable"
        @done="onDone"
        @expand="onExpand"
      >
        <template #toolbar>
          <a-space>
            <a-button type="primary" class="ele-btn-icon" @click="openEdit()">
              <template #icon>
                <plus-outlined />
              </template>
              <span>新建</span>
            </a-button>
            <a-button type="dashed" class="ele-btn-icon" @click="expandAll">
              展开全部
            </a-button>
            <a-button type="dashed" class="ele-btn-icon" @click="foldAll">
              折叠全部
            </a-button>
            <!-- 搜索表单 -->
            <a-input-search
              allow-clear
              v-model:value="searchText"
              placeholder="请输入搜索关键词"
              @search="search"
              @pressEnter="search"
            />
          </a-space>
        </template>
        <template #bodyCell="{ column, record }">
          <template v-if="column.key === 'menuType'">
            <a-tag v-if="isExternalLink(record.path)" color="red">外链</a-tag>
            <a-tag v-else-if="isExternalLink(record.component)" color="orange">
              内链
            </a-tag>
            <a-tag v-else-if="isDirectory(record)" color="blue">目录</a-tag>
            <a-tag v-else-if="record.menuType === 0" color="green">分类</a-tag>
            <a-tag v-else-if="record.menuType === 1">按钮</a-tag>
          </template>
          <template v-else-if="column.key === 'title'">
            <a-avatar
              :size="20"
              v-if="record.categoryAvatar"
              shape="square"
              :src="`https://file.wsdns.cn/${record.categoryAvatar}`"
            />
            <a-tooltip :title="`分类ID：${record.categoryId}`">
              <span>{{ record.title }}</span>
            </a-tooltip>
          </template>
          <template v-if="column.key === 'status'">
            <a-tag v-if="record.status === 0" color="green">显示</a-tag>
            <a-tag v-if="record.status === 1" color="orange">隐藏</a-tag>
          </template>
          <template v-else-if="column.key === 'action'">
            <a-space>
              <a @click="openEdit(null, record.categoryId)">添加</a>
              <a-divider type="vertical" />
              <a @click="openEdit(record)">修改</a>
              <a-divider type="vertical" />
              <a-popconfirm
                placement="topRight"
                title="确定要删除此分类吗？"
                @confirm="remove(record)"
              >
                <a class="ele-text-danger">删除</a>
              </a-popconfirm>
            </a-space>
          </template>
        </template>
      </ele-pro-table>
    </a-card>
    <!-- 编辑弹窗 -->
    <category-edit
      v-model:visible="showEdit"
      :data="current"
      :parent-id="parentId"
      :category-list="categoryData"
      @done="reload"
    />
  </div>
</template>

<script lang="ts" setup>
  import { ref } from 'vue';
  import { message } from 'ant-design-vue/es';
  import { PlusOutlined } from '@ant-design/icons-vue';
  import type {
    DatasourceFunction,
    ColumnItem,
    EleProTableDone
  } from 'ele-admin-pro/es/ele-pro-table/types';
  import {
    messageLoading,
    toDateString,
    isExternalLink,
    toTreeData,
    eachTreeData
  } from 'ele-admin-pro/es';
  import type { EleProTable } from 'ele-admin-pro/es';
  import CategoryEdit from './components/category-edit.vue';
  import {
    listArticleCategory,
    removeArticleCategory
  } from '@/api/cms/category';
  import type {
    ArticleCategory,
    ArticleCategoryParam
  } from '@/api/cms/category/model';

  // 表格实例
  const tableRef = ref<InstanceType<typeof EleProTable> | null>(null);

  // 表格列配置
  const columns = ref<ColumnItem[]>([
    {
      key: 'index',
      width: 48,
      align: 'center',
      fixed: 'left',
      hideInSetting: true,
      customRender: ({ index }) => index + (tableRef.value?.tableIndex ?? 0)
    },
    {
      title: '分类名称',
      key: 'title',
      showSorterTooltip: false,
      ellipsis: true
    },
    {
      title: '排序',
      dataIndex: 'sortNumber',
      sorter: true,
      width: 180,
      showSorterTooltip: false
    },
    {
      title: '状态',
      dataIndex: 'status',
      key: 'status',
      sorter: true,
      width: 180,
      showSorterTooltip: false,
      customRender: ({ text }) => ['显示', '隐藏'][text]
    },
    {
      title: '创建时间',
      dataIndex: 'createTime',
      sorter: true,
      showSorterTooltip: false,
      ellipsis: true,
      width: 180,
      customRender: ({ text }) => toDateString(text)
    },
    {
      title: '操作',
      key: 'action',
      width: 200,
      align: 'center'
    }
  ]);

  // 当前编辑数据
  const current = ref<ArticleCategory | null>(null);

  // 是否显示编辑弹窗
  const showEdit = ref(false);

  // 上级分类id
  const parentId = ref<number>();

  // 分类数据
  const categoryData = ref<ArticleCategory[]>([]);

  // 表格展开的行
  const expandedRowKeys = ref<number[]>([]);

  // 表格数据源
  const datasource: DatasourceFunction = ({ where }) => {
    return listArticleCategory({ ...where });
  };

  /* 数据转为树形结构 */
  const parseData = (data: ArticleCategory[]) => {
    return toTreeData({
      data: data.map((d) => {
        return { ...d, key: d.categoryId, value: d.categoryId };
      }),
      idField: 'categoryId',
      parentIdField: 'parentId'
    });
  };

  /* 表格渲染完成回调 */
  const onDone: EleProTableDone<ArticleCategory> = ({ data }) => {
    categoryData.value = data;
  };

  /* 刷新表格 */
  const reload = (where?: ArticleCategoryParam) => {
    tableRef?.value?.reload({ where });
  };

  /* 打开编辑弹窗 */
  const openEdit = (row?: ArticleCategory | null, id?: number) => {
    current.value = row ?? null;
    parentId.value = id;
    showEdit.value = true;
  };

  const search = (searchText) => {
    reload({ title: searchText });
  };

  /* 删除单个 */
  const remove = (row: ArticleCategory) => {
    if (row.children?.length) {
      message.error('请先删除子节点');
      return;
    }
    const hide = messageLoading('请求中..', 0);
    removeArticleCategory(row.categoryId)
      .then((msg) => {
        hide();
        message.success(msg);
        reload();
      })
      .catch((e) => {
        hide();
        message.error(e.message);
      });
  };

  /* 展开全部 */
  const expandAll = () => {
    let keys: number[] = [];
    eachTreeData(categoryData.value, (d) => {
      if (d.children && d.children.length && d.categoryId) {
        keys.push(d.categoryId);
      }
    });
    expandedRowKeys.value = keys;
  };

  /* 折叠全部 */
  const foldAll = () => {
    expandedRowKeys.value = [];
  };

  /* 点击展开图标时触发 */
  const onExpand = (expanded: boolean, record: ArticleCategory) => {
    if (expanded) {
      expandedRowKeys.value = [
        ...expandedRowKeys.value,
        record.categoryId as number
      ];
    } else {
      expandedRowKeys.value = expandedRowKeys.value.filter(
        (d) => d !== record.categoryId
      );
    }
  };

  /* 判断是否是目录 */
  const isDirectory = (d: ArticleCategory) => {
    return !!d.children?.length;
  };
</script>

<script lang="ts">
  export default {
    name: 'ArticleCategory'
  };
</script>
