public void Accept(IPlayer player)
{
if (player == null)
throw new ArgumentNullException(nameof(player));
if (player == Owner)
throw new ArgumentException("Can't accept a trade if owner == player");
if (!player.HasResources(Request))
throw new InvalidOperationException("Player should have the requested resources");
if (!Owner.HasResources(Offer))
throw new InvalidOperationException("Owner doesn't have the required resources (anymore)!");
lock (tradeLock)
{
if (State != TradeState.Open)
throw new InvalidOperationException("Trade can no longer be accepted, because it's no longer open!");
IRawMaterial[] requested = player.TakeResources(Request);
IRawMaterial[] offered = Owner.TakeResources(Offer);
Owner.AddResources(requested);
player.AddResources(offered);
State = TradeState.Processed;
}
logger.Info($"Trade accepted From {Owner.Name} To {player.Name}. Offer {string.Join(", ", Offer)}, Request {string.Join(", ", Request)}");
}
// 25 Development Cards (14 Knight/Soldier Cards, 6 Progress Cards, 5 Victory Point Cards)
//ore, wool and grain
public void BuyDevelopmentCard(IPlayer player, ITurn turn)
{
if (player == null)
throw new ArgumentNullException(nameof(player));
if (turn == null)
throw new ArgumentNullException(nameof(turn));
if (!player.HasResources(DEVELOPMENTCARD_COST))
throw new InvalidOperationException("Player does not have the resources to buy a Development Card");
player.TakeResources(DEVELOPMENTCARD_COST);
player.AddCard(new DevelopmentCard(deck.Pop(), turn));
}
public void BuyResource(MaterialType request, MaterialType offer, IPlayer player)
{
if (request == offer)
throw new ArgumentException("Can't request same material as you are offering");
if (!VALID_RESOURCES.Contains(request))
throw new ArgumentException($"Request ({request}) is not a valid material!");
//GetInvestment also validates player != null, and offer is valid resource
MaterialType[] investment = GetInvestmentCost(offer, player);
if (!player.HasResources(investment))
throw new InvalidOperationException("Player does not have the resources to buy");
player.TakeResources(investment);
player.AddResources(new RawMaterial(request));
logger.Info($"{player.Name} bought {request} for {offer}({investment.Count()})");
}
public Trade(MaterialType[] offer, MaterialType[] request, IPlayer owner)
{
if (offer == null)
throw new ArgumentNullException(nameof(offer));
if (request == null)
throw new ArgumentNullException(nameof(request));
if (owner == null)
throw new ArgumentNullException(nameof(owner));
if (!offer.Any() && !request.Any())
throw new ArgumentException("You can't create a trade without at least an offer or a request");
if (offer.Any(m => INVALID_MATERIALS.Contains(m)) || request.Any(m => INVALID_MATERIALS.Contains(m)))
throw new ArgumentException($"Can't create a trade with invalid material resources ({string.Join(", ", INVALID_MATERIALS)})");
if (!owner.HasResources(offer))
throw new InvalidOperationException("Can't offer materials if you don't have them");
Id = Guid.NewGuid();
Offer = offer;
Request = request;
Owner = owner;
State = TradeState.Open;
}
