/// <summary>
/// Invokes the method that chooses the bid.
/// </summary>
/// <returns>The bid chosen.</returns>
internal BidBase InvokeChooseBid()
{
if (!Board.Instance.IsAuctionPhase)
{
throw new WrongPhaseException("A player can place a bid only during the auction phase", "Auction");
}
BidBase bid = _controller.ChooseBid();
if (bid != null && bid < Board.Instance.currentAuctionWinningBid && bid is NotPassBidBase)
{
throw new BidNotEnoughException("The new bid is not enough to beat the winning one", bid);
}
if (bid == null)
{
return(null);
}
return(bid.ChangeBidder(this));
}