/**
 * Static Data Management Page
 */
import { useState, useEffect } from 'react';
import { Modal, Form, Input, Select } from 'antd';
import type { ColumnsType } from 'antd/es/table';
import { DataTable } from '../../components/admin/DataTable';
import { request } from '../../utils/request';
import { useToast } from '../../contexts/ToastContext';

interface StaticDataItem {
  id: number;
  category: string;
  name: string;
  name_zh: string;
  data: any;
}

export function StaticData() {
  const [loading, setLoading] = useState(false);
  const [data, setData] = useState<StaticDataItem[]>([]);
  const [filteredData, setFilteredData] = useState<StaticDataItem[]>([]);
  const [isModalOpen, setIsModalOpen] = useState(false);
  const [editingRecord, setEditingRecord] = useState<StaticDataItem | null>(null);
  const [form] = Form.useForm();
  const toast = useToast();

  useEffect(() => {
    loadData();
  }, []);

  const loadData = async () => {
    setLoading(true);
    try {
      const { data: result } = await request.get('/celestial/static/list');
      setData(result.items || []);
      setFilteredData(result.items || []);
    } catch (error) {
      toast.error('加载数据失败');
    } finally {
      setLoading(false);
    }
  };

  const handleSearch = (keyword: string) => {
    const lowerKeyword = keyword.toLowerCase();
    const filtered = data.filter(
      (item) =>
        item.name.toLowerCase().includes(lowerKeyword) ||
        item.name_zh?.toLowerCase().includes(lowerKeyword) ||
        item.category.toLowerCase().includes(lowerKeyword)
    );
    setFilteredData(filtered);
  };

  const handleAdd = () => {
    setEditingRecord(null);
    form.resetFields();
    form.setFieldsValue({ category: 'star' });
    setIsModalOpen(true);
  };

  const handleEdit = (record: StaticDataItem) => {
    setEditingRecord(record);
    // Convert JSON data to string for editing
    form.setFieldsValue({
      ...record,
      data: JSON.stringify(record.data, null, 2)
    });
    setIsModalOpen(true);
  };

  const handleDelete = async (record: StaticDataItem) => {
    try {
      await request.delete(`/celestial/static/${record.id}`);
      toast.success('删除成功');
      loadData();
    } catch (error) {
      toast.error('删除失败');
    }
  };

  const handleModalOk = async () => {
    try {
      const values = await form.validateFields();
      
      // Parse JSON data
      try {
        values.data = JSON.parse(values.data);
      } catch (e) {
        toast.error('JSON格式错误');
        return;
      }
      
      if (editingRecord) {
        await request.put(`/celestial/static/${editingRecord.id}`, values);
        toast.success('更新成功');
      } else {
        await request.post('/celestial/static', values);
        toast.success('创建成功');
      }
      
      setIsModalOpen(false);
      loadData();
    } catch (error) {
      console.error(error);
    }
  };

  const columns: ColumnsType<StaticDataItem> = [
    {
      title: 'ID',
      dataIndex: 'id',
      width: 80,
      sorter: (a, b) => a.id - b.id,
    },
    {
      title: '分类',
      dataIndex: 'category',
      width: 120,
      filters: [
        { text: '恒星', value: 'star' },
        { text: '星座', value: 'constellation' },
        { text: '星系', value: 'galaxy' },
        { text: '星云', value: 'nebula' },
        { text: '小行星带', value: 'asteroid_belt' },
        { text: '柯伊伯带', value: 'kuiper_belt' },
        { text: '恒星际', value: 'interstellar' },
      ],
      onFilter: (value, record) => record.category === value,
    },
    {
      title: '英文名',
      dataIndex: 'name',
      sorter: (a, b) => a.name.localeCompare(b.name),
    },
    {
      title: '中文名',
      dataIndex: 'name_zh',
    },
    {
      title: '数据 (JSON)',
      dataIndex: 'data',
      ellipsis: true,
      render: (text) => JSON.stringify(text),
    },
  ];

  return (
    <>
      <DataTable
        title="静态数据管理"
        columns={columns}
        dataSource={filteredData}
        loading={loading}
        total={filteredData.length}
        onSearch={handleSearch}
        onAdd={handleAdd}
        onEdit={handleEdit}
        onDelete={handleDelete}
        rowKey="id"
        pageSize={10}
      />

      <Modal
        title={editingRecord ? '编辑静态数据' : '新增静态数据'}
        open={isModalOpen}
        onOk={handleModalOk}
        onCancel={() => setIsModalOpen(false)}
        width={700}
      >
        <Form
          form={form}
          layout="vertical"
        >
          <Form.Item
            name="category"
            label="分类"
            rules={[{ required: true }]}
          >
            <Select>
              <Select.Option value="star">恒星 (Star)</Select.Option>
              <Select.Option value="constellation">星座 (Constellation)</Select.Option>
              <Select.Option value="galaxy">星系 (Galaxy)</Select.Option>
              <Select.Option value="nebula">星云 (Nebula)</Select.Option>
              <Select.Option value="asteroid_belt">小行星带 (Asteroid Belt)</Select.Option>
              <Select.Option value="kuiper_belt">柯伊伯带 (Kuiper Belt)</Select.Option>
              <Select.Option value="interstellar">恒星际 (Interstellar)</Select.Option>
            </Select>
          </Form.Item>
          
          <Form.Item
            name="name"
            label="英文名"
            rules={[{ required: true }]}
          >
            <Input />
          </Form.Item>

          <Form.Item
            name="name_zh"
            label="中文名"
          >
            <Input />
          </Form.Item>

          <Form.Item
            name="data"
            label="JSON数据"
            rules={[
              { required: true, message: '请输入JSON数据' },
              {
                validator: (_, value) => {
                  try {
                    JSON.parse(value);
                    return Promise.resolve();
                  } catch (err) {
                    return Promise.reject(new Error('无效的JSON格式'));
                  }
                }
              }
            ]}
          >
            <Input.TextArea rows={15} className="font-mono" />
          </Form.Item>
        </Form>
      </Modal>
    </>
  );
}