Files
behavioral-patterns/src/ChainOfResponssibility/Poker/Validators/HandValidators/StraightValidation.cs
2016-07-14 12:23:10 +03:00

23 lines
809 B
C#

using System.Linq;
namespace ChainOfResponssibility.Poker.Validators.HandValidators
{
public class StraightValidation : HandValidation
{
protected override string IsValid(Card[] hand)
{
var Value2Index = hand.Select((i, j) => i.GetIntValue() - j).Distinct();
if (!Value2Index.Skip(1).Any())// consecutive
return "You have a Straight with " + string.Join(", ", hand.Select(x => x.ToString()));
//special case for A,2,3,4,5
if (Value2Index.Count() == 2
&& Value2Index.First() == 2//for 2,3,4,5
&& Value2Index.Last() == 10)//for A
return "You have a Straight with " + string.Join(", ", hand.Select(x => x.ToString()));
return string.Empty;
}
}
}