import { useEffect, useState, ForwardRefRenderFunction, useImperativeHandle, forwardRef } from 'react';
import { Form, Input, Select, Tooltip } from 'antd';
import { v4 } from 'uuid';
import type { FormProps } from 'antd';

import { DISABLE_AUTO_COMPLETE, chatRoot } from '@/utils';
import useInit from '@/hooks/useInit';

interface SyncFormProps {
  record?: Record<string|symbol, any> | null;
}

const initFormValue = {
  act: '',
  enable: true,
  tags: [],
  prompt: '',
};

const SyncForm: ForwardRefRenderFunction<FormProps, SyncFormProps> = ({ record }, ref) => {
  const [form] = Form.useForm();
  useImperativeHandle(ref, () => ({ form }));
  const [root, setRoot] = useState('');

  useInit(async () => {
    setRoot(await chatRoot());
  });

  useEffect(() => {
    if (record) {
      form.setFieldsValue(record);
    }
  }, [record]);

  const pathOptions = (
    <Form.Item noStyle name="protocol" initialValue="https">
      <Select>
        <Select.Option value="local">{root}</Select.Option>
        <Select.Option value="http">http://</Select.Option>
        <Select.Option value="https">https://</Select.Option>
      </Select>
    </Form.Item>
  );
  const extOptions = (
    <Form.Item noStyle name="ext" initialValue="json">
      <Select>
        <Select.Option value="csv">.csv</Select.Option>
        <Select.Option value="json">.json</Select.Option>
      </Select>
    </Form.Item>
  );

  const jsonTip = (
    <Tooltip
      title={<pre>{JSON.stringify([
        { cmd: '', act: '', prompt: '' },
        { cmd: '', act: '', prompt: '' },
      ], null, 2)}</pre>}
    >
      <a>JSON</a>
    </Tooltip>
  );

  const csvTip = (
    <Tooltip
      title={<pre>{`"cmd","act","prompt"
"cmd","act","prompt"
"cmd","act","prompt"
"cmd","act","prompt"`}</pre>}
    >
      <a>CSV</a>
    </Tooltip>
  );

  return (
    <>
      <Form
        form={form}
        labelCol={{ span: 4 }}
        initialValues={initFormValue}
      >
        <Form.Item
          label="Name"
          name="name"
          rules={[{ required: true, message: 'Please input name!' }]}
        >
          <Input placeholder="Please input name" {...DISABLE_AUTO_COMPLETE} />
        </Form.Item>
        <Form.Item
          label="PATH"
          name="path"
          rules={[{ required: true, message: 'Please input path!' }]}
        >
          <Input placeholder="YOUR_PATH" addonBefore={pathOptions} addonAfter={extOptions} {...DISABLE_AUTO_COMPLETE} />
        </Form.Item>
        <Form.Item style={{ display: 'none' }} name="id" initialValue={v4().replace(/-/g, '')}><input /></Form.Item>
      </Form>
      <div className="tip">
        <p>The file supports only {csvTip} and {jsonTip} formats.</p>
      </div>
    </>
  )
}

export default forwardRef(SyncForm);