import { createSelector } from 'reselect';

const getState = (state) => state;

export const getItemBidCount = (state, itemId) => state.getIn(['auctions', itemId, 'bidCount'], 0);

export const getItemPrice = (state, itemId) => state.getIn(['auctions', itemId, 'currentPrice'], 0);

export const isBiddingItem = (state, itemId) => state.getIn(['auctions', itemId, 'isBidding'], false);

export const isWinningItem = (state, itemId) => state.getIn(['auctions', itemId, 'isWinning'], false);

export const getAuctionStatus = (state, itemId) => state.getIn(['actions', itemId], false);

export const getAuctionStatuses = createSelector(
  [getState],
  (state) => state.get('actions') || new Map(),
);

export const getItemsIdsWithNoBids = createSelector(
  [getAuctionStatuses],
  (auctions) => auctions.filter(auction => auction.bidCount === 0),
);

export const getMyBidItemIds = createSelector(
  [getAuctionStatuses],
  (auctions) => auctions.filter(auction => auction.isBidding),
);

export const getMyWinningItemIds = createSelector(
  [getAuctionStatuses],
  (auctions) => auctions.filter(auction => auction.isWinning),
);