Game.swift

Game.swift

typealias WholeCards = (left: Card, right: Card)

struct Game {
  // The whole card are your left and your right hand.  
  var wholeCards: WholeCards = (.none, .none) {
    didSet {
      // We're printing the new cards to debug the ML models.
      print("New wholeCards: ", wholeCards)
    }
  }

  // MARK: - Public
  // Sets the left whole card for the player
  mutating public func setLeftWholeCard(_ face: String, _ suite: String) {
    // We first need to make sure, that the ML model recognizes valid elements.
    // If we for example got a `D` as Face, we'd not get a valid Face case.
    guard let face = Card.Face(rawValue: face),
          let suite = Card.Suite(rawValue: suite) else {
      // MARK: - TODO, handle appropriately 
      return
    }
    // Initate a new card for Face/Suite
    let card = Card(face, suite)
    // Since we're using SwiftUI, we want to be as efficient as possible.
    // Therefore we're only updating the card, if the card changed.
    guard wholeCards.left != card else { return }
    wholeCards.left = card
  }
  
  // Same as above for the left whole card, just on the right.
  mutating public func setRightWholeCard(_ face: String, _ suite: String) {
    ...
  }
}

struct Card: CustomStringConvertible, Equatable {
  // Overwriting the description to get a decent print log
  var description: String {
    // Example the King of hearts: `Kh`
    return "\(face.rawValue)\(suite.rawValue)"
  }

  // All possible faces
  enum Face: String {
    case A = "A"
    case K = "K"
    case Q = "Q"
    case J = "J"
    case T = "10"
    case Nine = "9"
    case Eight = "8"
    case Seven = "7"
    case Six = "6"
    case Five = "5"
    case Four = "4"
    case Three = "3"
    case Two = "2"
    case None
  }

  // All possible suites
  enum Suite: String {
    case Clubs = "c"
    case Hearts = "h"
    case Spades = "s"
    case Diamonds = "d"
    case None
  }

  let face: Face
  let suite: Suite

  init(_ face: Face, _ suite: Suite) {
    self.face = face
    self.suite = suite
  }

  // MARK: - Public
  public func get(_ face: String, _ suite: String) -> Card {
    return Card(
      Face(rawValue: face)!,
      Suite(rawValue: suite)!
    )
  }

  // MARK: - Static
  // For easy access in SwiftUI previews
  static var none: Card {
    return Card(
      .None,
      .None
    )
  }
}