namespace CardGames;

/// <summary>
/// Card ranks. The numeric value matches the pip count where it makes sense
/// (Ace = 1, Two = 2 ... King = 13). Games decide what each rank is worth.
/// </summary>
public enum Rank
{
	Ace = 1,
	Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten,
	Jack, Queen, King
}

public static class RankExtensions
{
	/// <summary>
	/// Short label drawn in the card corner (A, 2-10, J, Q, K).
	/// </summary>
	public static string Short( this Rank rank ) => rank switch
	{
		Rank.Ace => "A",
		Rank.Jack => "J",
		Rank.Queen => "Q",
		Rank.King => "K",
		_ => ((int)rank).ToString()
	};

	/// <summary>
	/// Number of pips to draw in the centre (face cards have none).
	/// </summary>
	public static int PipCount( this Rank rank ) => rank is >= Rank.Ace and <= Rank.Ten ? (int)rank : 0;
}