import {} from '@/servers/api/subscription';
import { DeleteFilled, EditOutlined, PlusOutlined } from '@ant-design/icons';
import {
  ActionType,
  PageContainer,
  ProColumns,
  ProTable,
} from '@ant-design/pro-components';
import { useParams } from '@umijs/max';
import { App, Button, Drawer, List, Popconfirm, Space, Tag } from 'antd';
import dayjs from 'dayjs';
import React, { useRef, useState } from 'react';
import { request } from 'umi';

/**
 * 订阅状态枚举(用于筛选与展示)
 * 保持与后端同步的原始状态值
 */
const SUBSCRIPTION_STATUS_ENUM: Record<string, { text: string }> = {
  active: { text: '激活' },
  cancelled: { text: '已取消' },
  expired: { text: '已过期' },
  pending: { text: '待处理' },
  'on-hold': { text: '暂停' },
};

/**
 * 订阅列表页:展示,筛选,触发订阅同步
 */
const SubscriptionsPage: React.FC = () => {
  // 表格操作引用:用于在同步后触发表格刷新
  const actionRef = useRef<ActionType>();
  const { message } = App.useApp();
  const { siteId } = useParams<{ siteId: string }>();

  // 监听 siteId 变化并重新加载表格
  React.useEffect(() => {
    actionRef.current?.reload();
  }, [siteId]);

  // 关联订单抽屉状态
  const [drawerOpen, setDrawerOpen] = useState(false);
  const [drawerTitle, setDrawerTitle] = useState('详情');
  const [relatedOrders, setRelatedOrders] = useState<any[]>([]);

  // 表格列定义(尽量与项目风格保持一致)
  const [editing, setEditing] = useState<any>(null);
  const [selectedRowKeys, setSelectedRowKeys] = useState<React.Key[]>([]);

  const columns: ProColumns<any>[] = [
    // Site column removed
    {
      title: '订阅ID',
      dataIndex: 'id',
      hideInSearch: true,
    },
    {
      title: '状态',
      dataIndex: 'status',
      valueType: 'select',
      valueEnum: SUBSCRIPTION_STATUS_ENUM,
      // 以 Tag 形式展示,更易辨识
      render: (_, row) =>
        row?.status ? (
          <Tag>{SUBSCRIPTION_STATUS_ENUM[row.status]?.text || row.status}</Tag>
        ) : (
          '-'
        ),
    },
    {
      title: '客户ID',
      dataIndex: 'customer_id',
      hideInSearch: true,
    },
    {
      title: '计费周期',
      dataIndex: 'billing_period',
      hideInSearch: true,
    },
    {
      title: '计费间隔',
      dataIndex: 'billing_interval',
      hideInSearch: true,
    },
    {
      title: '开始时间',
      dataIndex: 'start_date',
      hideInSearch: true,
      width: 160,
    },
    {
      title: '下次支付',
      dataIndex: 'next_payment_date',
      hideInSearch: true,
      width: 160,
    },
    {
      // 创建时间
      title: '创建时间',
      dataIndex: 'date_created',
      valueType: 'dateTime',
      hideInSearch: true,
    },
    {
      // 修改时间
      title: '修改时间',
      dataIndex: 'date_modified',
      valueType: 'dateTime',
      hideInSearch: true,
    },
    {
      title: '操作',
      valueType: 'option',
      render: (_, row) => (
        <Space>
          <Button
            type="link"
            title="编辑"
            icon={<EditOutlined />}
            onClick={() => setEditing(row)}
          />
          <Popconfirm
            title="确定删除?"
            onConfirm={() => message.info('订阅删除未实现')}
          >
            <Button type="link" danger title="删除" icon={<DeleteFilled />} />
          </Popconfirm>
        </Space>
      ),
    },
  ];

  return (
    <PageContainer ghost header={{ title: null, breadcrumb: undefined }}>
      <ProTable<API.Subscription>
        headerTitle="查询表格"
        rowKey="id"
        actionRef={actionRef}
        /**
         * 列表数据请求;保持与后端分页参数一致
         * 兼容后端 data.items 或 data.list 返回字段
         */
        request={async (params) => {
          if (!siteId) return { data: [], success: true };
          const response = await request(`/site-api/${siteId}/subscriptions`, {
            params: {
              ...params,
              page: params.current,
              per_page: params.pageSize,
            },
          });

          if (!response.success) {
            message.error(response.message || '获取订阅列表失败');
            return {
              data: [],
              total: 0,
              success: false,
            };
          }

          const { data } = response;
          return {
            total: data?.total || 0,
            data: data?.items || [],
            success: true,
          };
        }}
        columns={columns}
        // 工具栏:订阅同步入口
        rowSelection={{ selectedRowKeys, onChange: setSelectedRowKeys }}
        toolBarRender={() => [
          <Button
            type="primary"
            title="新增"
            icon={<PlusOutlined />}
            onClick={() => message.info('订阅新增未实现')}
          />,
          <Button
            title="批量编辑"
            icon={<EditOutlined />}
            onClick={() => message.info('批量编辑未实现')}
          />,
          <Button
            title="批量导出"
            onClick={async () => {
              if (!siteId) return;
              const res = await request(
                `/site-api/${siteId}/subscriptions/export`,
                { params: {} },
              );
              if (res?.success && res?.data?.csv) {
                const blob = new Blob([res.data.csv], {
                  type: 'text/csv;charset=utf-8;',
                });
                const url = URL.createObjectURL(blob);
                const a = document.createElement('a');
                a.href = url;
                a.download = 'subscriptions.csv';
                a.click();
                URL.revokeObjectURL(url);
              } else {
                message.error(res.message || '导出失败');
              }
            }}
          />,
          <Button
            title="批量删除"
            danger
            icon={<DeleteFilled />}
            onClick={() => message.info('订阅删除未实现')}
          />,
        ]}
      />
      <Drawer
        open={drawerOpen}
        title={drawerTitle}
        width={720}
        onClose={() => setDrawerOpen(false)}
      >
        <List
          header={<div>关联订单</div>}
          dataSource={relatedOrders}
          renderItem={(item: any) => (
            <List.Item>
              <List.Item.Meta
                title={`#${item?.externalOrderId || '-'}`}
                description={`关系:${item?.relationship || '-'},站点:${
                  item?.name || '-'
                }`}
              />
              <div style={{ display: 'flex', gap: 12, alignItems: 'center' }}>
                <span>
                  {item?.date_created
                    ? dayjs(item.date_created).format('YYYY-MM-DD HH:mm')
                    : '-'}
                </span>
                <Tag>{item?.status || '-'}</Tag>
                <span>
                  {item?.currency_symbol || ''}
                  {typeof item?.total === 'number'
                    ? item.total.toFixed(2)
                    : item?.total ?? '-'}
                </span>
              </div>
            </List.Item>
          )}
        />
      </Drawer>
    </PageContainer>
  );
};

/**
 * 同步订阅抽屉表单:选择站点后触发同步
 */
// 已移除订阅同步入口，改为直接从站点实时获取

export default SubscriptionsPage;