import Foundation

enum SwapSource: Equatable {
    case deck
    case discard
}

struct HandCard: Equatable {
    var value: UInt8
    var faceUp: Bool
}

enum CardDisplay {
    static let ranks = ["A", "2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K"]
    static let suits = ["♠", "♥", "♦", "♣"]

    static func label(for value: UInt8) -> String {
        let rank = Int(value) % 13
        let suit = Int(value) / 13
        return "\(ranks[rank])\(suits[suit])"
    }

    static func isRed(value: UInt8) -> Bool {
        let suit = Int(value) / 13
        return suit == 1 || suit == 2
    }
}