<template>
  <a-page-header :title="getPageTitle()" @back="() => $router.go(-1)">
    <a-card :bordered="false" :body-style="{ padding: '16px' }">
      <ele-pro-table
        ref="tableRef"
        row-key="adId"
        :columns="columns"
        :datasource="datasource"
        :customRow="customRow"
        tool-class="ele-toolbar-form"
        class="sys-org-table"
      >
        <template #toolbar>
          <search
            @search="reload"
            :selection="selection"
            :navigationList="navigationList"
            :exportLoading="exportLoading"
            @backup="handleExport"
            @restore="openImport"
            @add="openEdit"
            @remove="removeBatch"
            @batchMove="openMove"
          />
        </template>
        <template #bodyCell="{ column, record }">
          <template v-if="column.key === 'type'">
            <a-tag v-if="record.type == 1" color="pink">轮播</a-tag>
            <a-tag v-if="record.type == 2" color="blue">图片</a-tag>
            <a-tag v-if="record.type == 3" color="cyan">视频</a-tag>
            <a-tag v-if="record.type == 4">文本</a-tag>
          </template>
          <template v-if="column.key === 'name'">
            <div>{{ record.name }}</div>
            <div class="text-gray-400">{{ record.code }}</div>
          </template>
          <template v-if="column.key === 'categoryId'">
            <span class="text-gray-400">{{ record.categoryName }}</span>
          </template>
          <template v-if="column.key === 'comments'">
            <span class="text-gray-400">{{ record.comments }}</span>
          </template>
          <template v-if="column.key === 'images'">
            <div :class="`item ${record.style}`">
              <template
                v-if="record.type != 4"
                v-for="(item, index) in record.imageList"
                :key="index"
              >
                <a-image :src="item.url" :width="80" />
              </template>
              <template v-if="record.type == 4">
                {{ record.comments }}
              </template>
            </div>
          </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="red">隐藏</a-tag>
          </template>
          <template v-if="column.key === 'action'">
            <a-space>
              <a @click="openEdit(record)">修改</a>
              <a-divider type="vertical" />
              <a-popconfirm
                title="确定要删除此记录吗？"
                @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 -->
    <CmsAdEdit
      v-model:visible="showEdit"
      :data="current"
      :navigationList="navigationList"
      @done="reload"
    />

    <!-- 导入备份弹窗 -->
    <Import v-model:visible="showImport" @done="reload" />
  </a-page-header>
</template>

<script lang="ts" setup>
  import { createVNode, ref } from 'vue';
  import { message, Modal } from 'ant-design-vue';
  import { ExclamationCircleOutlined } from '@ant-design/icons-vue';
  import { utils, writeFile } from 'xlsx';
  import type { EleProTable } from 'ele-admin-pro';
  import { toTreeData } from 'ele-admin-pro';
  import { useI18n } from 'vue-i18n';
  import type {
    DatasourceFunction,
    ColumnItem
  } from 'ele-admin-pro/es/ele-pro-table/types';
  import Search from './components/search.vue';
  import CmsAdEdit from './components/cmsAdEdit.vue';
  import Import from './components/Import.vue';
  import {
    listCmsAd,
    pageCmsAd,
    removeBatchCmsAd,
    removeCmsAd
  } from '@/api/cms/cmsAd';
  import type { CmsAd, CmsAdParam } from '@/api/cms/cmsAd/model';
  import { CmsNavigation } from '@/api/cms/cmsNavigation/model';
  import { listCmsNavigation } from '@/api/cms/cmsNavigation';
  import { getPageTitle } from '@/utils/common';
  import { getTenantId } from '@/utils/domain';

  // 表格实例
  const tableRef = ref<InstanceType<typeof EleProTable> | null>(null);
  // 国际化
  const { locale } = useI18n();
  // 表格选中数据
  const selection = ref<CmsAd[]>([]);
  // 当前编辑数据
  const current = ref<CmsAd | null>(null);
  // 是否显示编辑弹窗
  const showEdit = ref(false);
  // 是否显示批量移动弹窗
  const showMove = ref(false);
  // 是否显示导入备份弹窗
  const showImport = ref(false);
  // 栏目数据
  const navigationList = ref<CmsNavigation[]>();
  // 加载状态
  const loading = ref(true);
  // 导出状态
  const exportLoading = ref(false);
  // 记录最新搜索条件，供备份导出使用
  const lastWhere = ref<CmsAdParam>({});

  // 表格数据源
  const datasource: DatasourceFunction = ({
    page,
    limit,
    where,
    orders,
    filters
  }) => {
    if (filters) {
      where.status = filters.status;
    }
    // where.lang = locale.value || undefined;
    return pageCmsAd({
      ...where,
      ...orders,
      page,
      limit
    });
  };

  // 表格列配置
  const columns = ref<ColumnItem[]>([
    {
      title: 'ID',
      width: 90,
      dataIndex: 'adId'
    },
    {
      title: '名称',
      dataIndex: 'name',
      key: 'name',
      ellipsis: true,
      width: 180
    },
    {
      title: '类型',
      dataIndex: 'type',
      key: 'type',
      align: 'center',
      width: 120
    },
    {
      title: '广告图片',
      dataIndex: 'images',
      key: 'images'
    },
    {
      title: '栏目名称',
      dataIndex: 'categoryId',
      key: 'categoryId',
      align: 'center',
      width: 180
    },
    {
      title: '状态',
      dataIndex: 'status',
      key: 'status',
      align: 'center',
      width: 120
    },
    {
      title: '操作',
      key: 'action',
      width: 120,
      fixed: 'right',
      align: 'center',
      hideInSetting: true
    }
  ]);

  /* 搜索 */
  const reload = (where?: CmsAdParam) => {
    if (where) {
      lastWhere.value = { ...where };
    }
    selection.value = [];
    tableRef?.value?.reload({ where: where });
  };

  /* 打开编辑弹窗 */
  const openEdit = (row?: CmsAd) => {
    current.value = row ?? null;
    showEdit.value = true;
  };

  /* 打开批量移动弹窗 */
  const openMove = () => {
    showMove.value = true;
  };

  /* 打开导入弹窗 */
  const openImport = () => {
    showImport.value = true;
  };

  /* 备份导出 */
  const handleExport = async () => {
    if (exportLoading.value) {
      return;
    }
    exportLoading.value = true;
    message.loading('正在准备导出数据...', 0);

    const array: (string | number)[][] = [
      [
        '广告ID',
        '类型',
        '唯一标识',
        '栏目ID',
        '栏目名称',
        '广告位名称',
        '宽',
        '高',
        '样式',
        '图片数据',
        '链接',
        '排序号',
        '备注',
        '状态',
        '语言',
        '租户ID',
        '商户ID'
      ]
    ];

    try {
      const where: CmsAdParam = {
        ...(lastWhere.value ?? {}),
        lang: locale.value || undefined
      };
      const list = await listCmsAd(where);
      if (!list || list.length === 0) {
        message.destroy();
        message.warning('没有数据可以导出');
        exportLoading.value = false;
        return;
      }

      list.forEach((d: CmsAd) => {
        const images = Array.isArray(d.imageList)
          ? JSON.stringify(d.imageList)
          : typeof d.images === 'string'
          ? d.images
          : JSON.stringify(d.images ?? []);
        array.push([
          `${d.adId || ''}`,
          `${d.type ?? ''}`,
          `${d.code || ''}`,
          `${d.categoryId ?? ''}`,
          `${d.categoryName || ''}`,
          `${d.name || ''}`,
          `${d.width || ''}`,
          `${d.height || ''}`,
          `${d.style || ''}`,
          `${images || ''}`,
          `${d.path || ''}`,
          `${d.sortNumber ?? ''}`,
          `${d.comments || ''}`,
          `${d.status ?? ''}`,
          `${d.lang || ''}`,
          `${d.tenantId ?? ''}`,
          `${d.merchantId ?? ''}`
        ]);
      });

      const sheetName = `bak_cms_ad_${getTenantId()}`;
      const workbook = {
        SheetNames: [sheetName],
        Sheets: {}
      } as any;
      const sheet = utils.aoa_to_sheet(array);
      workbook.Sheets[sheetName] = sheet;
      sheet['!cols'] = [
        { wch: 10 }, // 广告ID
        { wch: 8 }, // 类型
        { wch: 24 }, // 唯一标识
        { wch: 10 }, // 栏目ID
        { wch: 18 }, // 栏目名称
        { wch: 24 }, // 广告位名称
        { wch: 10 }, // 宽
        { wch: 10 }, // 高
        { wch: 20 }, // 样式
        { wch: 60 }, // 图片数据(JSON)
        { wch: 30 }, // 链接
        { wch: 10 }, // 排序号
        { wch: 24 }, // 备注
        { wch: 8 }, // 状态
        { wch: 10 }, // 语言
        { wch: 10 }, // 租户ID
        { wch: 10 } // 商户ID
      ];

      message.destroy();
      message.loading('正在生成Excel文件...', 0);
      setTimeout(() => {
        writeFile(workbook, `${sheetName}.xlsx`);
        exportLoading.value = false;
        message.destroy();
        message.success(`成功导出 ${list.length} 条记录`);
      }, 600);
    } catch (e: any) {
      exportLoading.value = false;
      message.destroy();
      message.error(e?.message || '导出失败，请重试');
    }
  };

  /* 删除单个 */
  const remove = (row: CmsAd) => {
    const hide = message.loading('请求中..', 0);
    removeCmsAd(row.adId)
      .then((msg) => {
        hide();
        message.success(msg);
        reload();
      })
      .catch((e) => {
        hide();
        message.error(e.message);
      });
  };

  /* 批量删除 */
  const removeBatch = () => {
    if (!selection.value.length) {
      message.error('请至少选择一条数据');
      return;
    }
    Modal.confirm({
      title: '提示',
      content: '确定要删除选中的记录吗?',
      icon: createVNode(ExclamationCircleOutlined),
      maskClosable: true,
      onOk: () => {
        const hide = message.loading('请求中..', 0);
        removeBatchCmsAd(selection.value.map((d) => d.adId))
          .then((msg) => {
            hide();
            message.success(msg);
            reload();
          })
          .catch((e) => {
            hide();
            message.error(e.message);
          });
      }
    });
  };

  /* 查询 */
  const query = () => {
    loading.value = true;
    // 加载栏目数据
    if (!navigationList.value) {
      listCmsNavigation({}).then((res) => {
        navigationList.value = toTreeData({
          data: res?.map((d) => {
            d.value = d.navigationId;
            d.label = d.title;
            if (!d.component) {
              d.disabled = true;
            }
            return d;
          }),
          idField: 'navigationId',
          parentIdField: 'parentId'
        });
      });
    }
  };

  /* 自定义行属性 */
  const customRow = (record: CmsAd) => {
    return {
      // 行点击事件
      onClick: () => {
        // console.log(record);
      },
      // 行双击事件
      onDblclick: () => {
        openEdit(record);
      }
    };
  };
  query();
</script>

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

<style lang="less" scoped></style>
