import { EXCLUSIONS } from '../constants';
import { Day, MenuItem, MenuResponse } from '../types/types';

export const isNotExcluded = (name: string) =>
  EXCLUSIONS.filter((pattern) => new RegExp(pattern).test(name)).length === 0;

export const mapDaysToItemList = (days: Day[]) =>
  days
    .map(({ menu_items: menuItems }: Day) =>
      menuItems?.length ?? 0 > 0 ? menuItems : null
    )
    .filter((menuItems: MenuItem[] | null) => menuItems)
    .flat()
    .map((item: MenuItem | null) => {
      const name = item?.food?.name;

      return name && isNotExcluded(name) ? name : null;
    })
    .filter((name: string | null) => name);

export const processResponse = ({ data: { days } }: MenuResponse) => {
  return mapDaysToItemList(days);
};

export const processRejection = (error: any) => {
  console.error(error);

  return null;
};

export default {
  isNotExcluded,
  mapDaysToItemList,
  processResponse,
  processRejection,
};