import { zSearchTypes } from '../enums/SearchTypes';
import { Query, QueryEdit } from '../services/QueryService';

const latestEdit = (query: Query | null): QueryEdit | null => {
  if (!query) return null;

  return query.edits[query.edits.length - 1] ?? null;
};

const currentValue = (query: Query | null): string | null => {
  const edit = latestEdit(query);
  return edit?.value ?? query?.output ?? null;
};

const typeName = (query: Query | null): string => {
  if (!query) return '';
  switch (query.type) {
    case zSearchTypes.enum.Semantic:
      return 'Search';
    case zSearchTypes.enum.Question:
      return 'Question';
    default:
      return 'Question';
  }
};

const QueryUtil = {
  latestEdit,
  currentValue,
  typeName,
};

export default QueryUtil;