Juego de papel tijeras spock en Swift

papper_scissors_spock.swift

import Foundation

enum GameResult : String {
    case player1 = "Player 1"
    case player2 = "Player 2"
    case tie = "Tie"
}

enum Move: String {
    case rock = "🗿"
    case paper = "📄"
    case scissors = "✂️"
    case lizzard = "🦎"
    case spock = "🖖"
}

typealias Game = (Move, Move)

func checkForWinner(game: Game) -> GameResult {
    switch game {
        case (.scissors, .paper):   return .player1
        case (.paper, .scissors):   return .player2

        case (.rock, .scissors):    return .player1
        case (.scissors, .rock):    return .player2

        case (.paper, .rock):       return .player1
        case (.rock, .paper):       return .player2

        case (.rock, .lizzard):     return .player1
        case (.lizzard, .rock):     return .player2

        case (.lizzard, .spock):    return .player1
        case (.spock, .lizzard):    return .player2

        case (.spock, .scissors):   return .player1
        case (.scissors, .spock):   return .player2

        case (.scissors, .lizzard): return .player1
        case (.lizzard, .scissors): return .player2

        case (.lizzard, .paper):    return .player1
        case (.paper, .lizzard):    return .player2

        case (.paper, .spock):      return .player1
        case (.spock, .paper):      return .player2

        case (.spock, .rock):       return .player1
        case (.rock, .spock):       return .player2

        // Agrega el caso para el empate
        case let (move1, move2) where move1 == move2: return .tie

        default: return .player1
    }
}

func parseInput(_ moves: [(String, String)]) -> [Game] {
    return moves.compactMap { (move1, move2) -> Game? in
        guard
            let player1Move = Move(rawValue: move1),
            let player2Move = Move(rawValue: move2)
            //player1Move != player2Move
        else {
            return nil
        }
        return (player1Move, player2Move)
    }
}

func calculateTotalScore(for winners: [GameResult]) -> GameResult {
    var p1Score = 0
    var p2Score = 0
    var tieScore = 0

    for winner in winners {
        switch winner {
            case .player1: p1Score += 1
            case .player2: p2Score += 1
            case .tie: tieScore += 1
        }
    }

    if p1Score > p2Score {
        return .player1
    }

    if p2Score > p1Score {
        return .player2
    }

    return .tie
}


func solve3(_ input: [(String, String)]) {
    let games = parseInput(input)
    let winners = games.map(checkForWinner)
    let result = calculateTotalScore(for: winners)

    // Print game results
    print("🥊  resolution battle:")
    for (index, game) in games.enumerated() {
        let winner = winners[index]
        print("\(game.0.rawValue)  vs \(game.1.rawValue)  = \(winner)")
    }

    // Print total score
    switch result {
      case .player1: print("🏆  \"\(result.rawValue)\"")
      case .player2: print("🏆  \"\(result.rawValue)\"")
      case .tie: print("🤷  \"\(result.rawValue)\"")
    }
    print("")
}

//🗿📄✂️🦎🖖

let games1 = [
    ("🗿", "✂️"),
    ("✂️", "🗿"),
    ("📄", "✂️"),
    ("✂️", "📄"),
    ("📄", "🗿")
]

let games2 = [
    ("🗿", "📄"),
    ("🦎", "📄"),
    ("📄", "🦎"),
    ("🦎", "🗿"),
    ("🗿", "🦎")
]

let games3 = [
    ("🦎", "🖖"),
    ("🖖", "🦎"),
    ("📄", "📄"),
    ("📄", "🖖"),
    ("🖖", "🗿")
]

let games4 = [
    ("🗿", "🖖"),
    ("🖖", "🗿"),
    ("🖖", "✂️"),
    ("✂️", "🖖"),
]

solve3(games1)
solve3(games2)
solve3(games3)
solve3(games4)

Se puede testear en linea:
https://swiftfiddle.com/jriwpyvbsrdt7oyp7c7omr3jre