/// <summary>
/// Deploys units to the region.
/// </summary>
/// <param name="region"></param>
/// <param name="bonusArmy">Bonus army to the region.</param>
public void Deploy(Region region, int bonusArmy)
{
if (region == null)
{
throw new ArgumentException($"Region cannot be null.");
}
if (region.Owner == null)
{
throw new ArgumentException($"Region {region.Name} owner cannot be null.");
}
if (region.Owner != PlayerOnTurn)
{
throw new ArgumentException("You cannot deploy to regions you do not own.");
}
var lastTurn = (GameTurn)LastTurn;
int newArmy = lastTurn.GetRegionArmy(region) + bonusArmy;
if (bonusArmy > 0 && bonusArmy > PlayerOnTurn.GetArmyLeftToDeploy(lastTurn.Deploying))
{
// bonus army > 0 and is more than i can deploy
throw new ArgumentException($"Cannot deploy. Your limit {PlayerOnTurn.GetIncome()} for deployed units would be exceeded.");
}
else if (bonusArmy < 0 && region.Army > newArmy)
{
throw new ArgumentException("You cannot deploy less than region had at this round beginning.");
}
// if there exists deployment entry => remove that entry and create new one
lastTurn.Deploying.AddDeployment(region, newArmy);
ImageProcessor.Deploy(region, newArmy);
}
