public bool IsValid()
{
FirstPairOfCards = new ICard[0];
SecondPairOfCards = new ICard[0];
IEnumerable <CardRank> values = Cards.Select(x => x.Rank);
IEnumerable <CardRank> cardRanks = values as CardRank[] ?? values.ToArray();
IEnumerable <IGrouping <CardRank, CardRank> > grouped = cardRanks.GroupBy(x => x).ToArray();
if (grouped.Count() != 3)
{
return(false);
}
// ReSharper disable PossibleMultipleEnumeration // todo try to remove ReSharper comment
foreach (IGrouping <CardRank, CardRank> grouping in grouped)
{
int count = grouping.Count();
if (count == 1)
{
HighestCard = Cards.First(x => x.Rank == grouping.Key);
}
if (count != 2)
{
continue;
}
if (!FirstPairOfCards.Any())
{
FirstPairOfCards = Cards.Where(x => x.Rank == grouping.Key);
}
else
{
SecondPairOfCards = Cards.Where(x => x.Rank == grouping.Key);
}
}
return(FirstPairOfCards.Any() && SecondPairOfCards.Any());
// ReSharper restore PossibleMultipleEnumeration
}