import Pluggy from 'pluggy-js';
import { Item } from 'pluggy-js/dist/types';
import { useState } from 'react';
import useInterval from './useInterval';
import usePluggy from './usePluggy';
import _isEqual from 'lodash/isEqual';
import _omit from 'lodash/omit';

const usePollItem = (itemId: string, delay: number | null): Item | null => {
  const pluggy: Pluggy = usePluggy();
  const [item, setItem] = useState<Item | null>(null);

  const fetchStatus = async () => {
    const itemResponse = await pluggy.fetchItem(itemId);
    const updated = _omit(itemResponse, ['connector', 'lastUpdatedAt']);
    const stored = _omit(item, ['connector', 'lastUpdatedAt']);

    if (!_isEqual(updated, stored)) {
      setItem(itemResponse);
    }
  };

  useInterval(() => {
    fetchStatus();
  }, delay);

  return item;
};

export default usePollItem;