import { RFQ_ROUTERS, RouterType, SUPPORTED_ROUTER_TYPES } from '../consts';
import Decimal from 'decimal.js';
import BN from 'bn.js';

export function isRequestedRouterType(requestedFilterSet: Set<RouterType>, routerType: string): boolean {
  return requestedFilterSet.size == 0 || requestedFilterSet.has(routerType as RouterType);
}

export function filterRouterTypes(routerTypes: RouterType[] | undefined, includeRfq: boolean): Set<RouterType> {
  // Handle the case when no router types are specified - use all routers
  let filterArray = !routerTypes || routerTypes.length === 0 ? [...SUPPORTED_ROUTER_TYPES] : routerTypes;

  if (!includeRfq) {
    filterArray = filterArray.filter((routerType) => !RFQ_ROUTERS.has(routerType));
  }

  return new Set(filterArray);
}

export function safeBNToNumber(value: BN): number {
  return new Decimal(value.toString()).toNumber();
}