public void TestAcceptTradeCounterOffer()
{
var manager = DoInitialPlacementsAndRoll(false);
var activePlayer = manager.ActivePlayer;
var player1 = manager.Players.FirstOrDefault(p => p.Id == PLAYER_1);
Assert.IsNotNull(player1);
// Active player offer trade of 1 ore and 2 wheat for 3 wood and 4 sheep.
activePlayer.RemoveAllResources();
player1.RemoveAllResources();
var toOtherPlayer = new ResourceCollection(ore: 1, wheat: 2);
var toActivePlayer = new ResourceCollection(wood: 3, sheep: 4);
var toActivePlayerCounter = new ResourceCollection(brick: 5, sheep: 1);
var originalOffer = new TradeOffer(activePlayer.Id, toOtherPlayer, toActivePlayer);
var counterOffer = new TradeOffer(player1.Id, toActivePlayerCounter, toOtherPlayer);
activePlayer.AddResources(toOtherPlayer);
player1.AddResources(toActivePlayerCounter);
manager.PlayerOfferTrade(activePlayer.Id, originalOffer);
Assert.AreEqual(PlayerTurnState.RequestingPlayerTrade, manager.PlayerTurnState, "Player should be in the 'RequestingTrade' state.");
// Player 1 can't afford it and will send a counter-offer.
var r = manager.AcceptTradeFromActivePlayer(player1.Id);
Assert.IsTrue(r.Failed, "Player 1 can't afford the current trade.");
r = manager.SendCounterTradeOffer(player1.Id, counterOffer);
Assert.IsTrue(r.Succeeded, "The counter offer send action should work.");
r = manager.PlayerAcceptCounterTradeOffer(activePlayer.Id, player1.Id);
Assert.IsTrue(r.Succeeded, "The counter offer should be accepted.");
Assert.IsTrue(activePlayer.ResourceCards.Equals(toActivePlayerCounter), "Active player did not get his resources from the trade.");
Assert.IsTrue(player1.ResourceCards.Equals(toOtherPlayer), "Player 1 did not get his resources from the trade.");
Assert.AreEqual(PlayerTurnState.TakeAction, manager.PlayerTurnState, "The trade is complete. Player should be in the 'TakeAction' state.");
}
/// <summary>
/// Sends a counter trade offer to the active player. This can only be called by a non-active player.
/// </summary>
public ActionResult SendCounterTradeOffer(int playerId, TradeOffer counterOffer)
{
var validation = ValidatePlayerAction(PlayerTurnState.RequestingPlayerTrade);
if (validation.Failed) return validation;
var pr = GetPlayerFromId(playerId);
if (pr.Failed) return pr;
if (counterOffer == null || !counterOffer.IsValid)
{
return ActionResult.CreateFailed("Invalid trade offer.");
}
counterOffer.CreatorPlayerId = playerId; // Set the playedId manually just in case.
_tradeHelper.SendCounterOffer(counterOffer);
return ActionResult.CreateSuccess();
}
/// <summary>
/// Trade with the bank or harbor. A 4:1 trade with the bank is always available.
/// A 3:1 or 2:1 trade can be done depending on the player's harbors.
/// Can only be called by the active player.
/// </summary>
public ActionResult PlayerTradeWithBank(int playerId, TradeOffer tradeOffer)
{
var validation = ValidatePlayerAction(PlayerTurnState.TakeAction, playerId);
if (validation.Failed) return validation;
var pr = GetPlayerFromId(playerId);
if (pr.Failed) return pr;
var player = pr.Data;
var ports = _gameBoard.GetPortsForPlayer(playerId);
return player.DoTradeWithBank(tradeOffer, ports);
}
/// <summary>
/// Offer a player-to-player trade with anyone. This can be immediately accepted or
/// players can send counter-offers. Can only be called by the active player.
/// </summary>
public ActionResult PlayerOfferTrade(int playerId, TradeOffer tradeOffer)
{
var validation = ValidatePlayerAction(PlayerTurnState.TakeAction, playerId);
if (validation.Failed) return validation;
if (tradeOffer == null || !tradeOffer.IsValid)
{
return ActionResult.CreateFailed("Invalid trade offer.");
}
if (!ActivePlayer.HasAtLeast(tradeOffer.ToGive))
{
return ActionResult.CreateFailed("Cannot afford to create this trade offer.");
}
_tradeHelper.ClearAllOffers();
tradeOffer.CreatorPlayerId = playerId; // Set the playerId manually just in case.
_tradeHelper.ActivePlayerTradeOffer = tradeOffer;
_playerTurnState = PlayerTurnState.RequestingPlayerTrade;
return ActionResult.CreateSuccess();
}
/// <summary>
/// Does a resource exchange with the bank.
/// </summary>
public ActionResult DoTradeWithBank(TradeOffer offer, IList<Port> portsAvailable)
{
if (!offer.IsValidBankOffer) return ActionResult.CreateFailed("Invalid trade. One or more resources are empty.");
var toReceive = offer.ToReceive.GetLargestStack();
var toGive = offer.ToGive.GetLargestStack();
if (toGive.Type == toReceive.Type)
return ActionResult.CreateFailed("Invalid trade. Both resource types are identical.");
bool threeToOnePort = portsAvailable.Any(p => p.Resource == toGive.Type);
bool twoToOnePort = portsAvailable.Any(p => p.Resource == ResourceTypes.None);
bool doTrade = false;
doTrade = ((toReceive.Count*4) == toGive.Count) ||
(threeToOnePort && ((toReceive.Count*3) == toGive.Count)) ||
(twoToOnePort && ((toReceive.Count*2) == toGive.Count));
if (!doTrade)
return ActionResult.CreateFailed("Invalid trade. Resource counts are invalid.");
this.RemoveResources(offer.ToGive);
this.AddResources(offer.ToReceive);
return ActionResult.CreateSuccess();
}
/// <summary>
/// Returns true if this player can afford to do the specified trade offered by a different player.
/// </summary>
public bool CanAffordTradeOffer(TradeOffer otherPlayerOffer)
{
return HasAtLeast(otherPlayerOffer.ToReceive);
}
/// <summary>
/// Accepts a trade offer from another player and does the resouces exchange.
/// </summary>
public ActionResult AcceptTradeOffer(Player otherPlayer, TradeOffer offer)
{
if (!CanAffordTradeOffer(offer))
{
return ActionResult.CreateFailed("Accepting player cannot afford the trade.");
}
if (!otherPlayer.HasAtLeast(offer.ToGive))
{
return ActionResult.CreateFailed("Offering player cannot afford the trade.");
}
this.RemoveResources(offer.ToReceive);
otherPlayer.RemoveResources(offer.ToGive);
this.AddResources(offer.ToGive);
otherPlayer.AddResources(offer.ToReceive);
return ActionResult.CreateSuccess();
}
/// <summary>
/// Send a counter-offer to the active player.
/// </summary>
public void SendCounterOffer(TradeOffer counterOffer)
{
int playerId = counterOffer.CreatorPlayerId;
CancelCounterOffer(playerId);
CounterOffers.Add(counterOffer);
}
public void TestTradeWithBank()
{
var manager = DoInitialPlacementsAndRoll(false);
var player = manager.ActivePlayer;
// Trade 4 ore for 1 brick.
var toGive = new ResourceCollection(ore: 4);
var toGet = new ResourceCollection(brick: 1);
player.RemoveAllResources();
player.AddResources(toGive);
Assert.IsTrue(player.ResourceCards.IsSingleResourceType && player.ResourceCards.Equals(toGive));
var offer = new TradeOffer(player.Id, toGive, toGet);
var tradeResult = manager.PlayerTradeWithBank(player.Id, offer);
Assert.IsTrue(tradeResult.Succeeded, "The bank trade should succeed.");
Assert.IsTrue(player.ResourceCards.IsSingleResourceType && player.ResourceCards.Equals(toGet));
Assert.AreEqual(PlayerTurnState.TakeAction, manager.PlayerTurnState, "Player should be in the 'TakeAction' state.");
// Trade 8 wheat for 2 wood.
toGive = new ResourceCollection(wheat: 8);
toGet = new ResourceCollection(wood: 2);
player.RemoveAllResources();
player.AddResources(toGive);
Assert.IsTrue(player.ResourceCards.IsSingleResourceType && player.ResourceCards.Equals(toGive));
offer = new TradeOffer(player.Id, toGive, toGet);
tradeResult = manager.PlayerTradeWithBank(player.Id, offer);
Assert.IsTrue(tradeResult.Succeeded, "The bank trade should succeed.");
Assert.IsTrue(player.ResourceCards.IsSingleResourceType && player.ResourceCards.Equals(toGet));
Assert.AreEqual(PlayerTurnState.TakeAction, manager.PlayerTurnState, "Player should be in the 'TakeAction' state.");
// Trade 2 wheat for 2 wood. Should fail.
toGive = new ResourceCollection(wheat: 2);
toGet = new ResourceCollection(wood: 2);
player.RemoveAllResources();
player.AddResources(toGive);
Assert.IsTrue(player.ResourceCards.IsSingleResourceType && player.ResourceCards.Equals(toGive));
offer = new TradeOffer(player.Id, toGive, toGet);
tradeResult = manager.PlayerTradeWithBank(player.Id, offer);
Assert.IsTrue(tradeResult.Failed, "The bank trade should fail.");
Assert.IsTrue(player.ResourceCards.IsSingleResourceType && player.ResourceCards.Equals(toGive));
Assert.AreEqual(PlayerTurnState.TakeAction, manager.PlayerTurnState, "Player should be in the 'TakeAction' state.");
}