[Lv_7] 튜터님 피드백을 받아 수정 - 김상민

Week2-BaseballGame/Week2-BaseballGame/Lv_6(피드백 수정)/ErrorHandling/InputErrorLv7.swift

@@ -0,0 +1,18 @@
+import Foundation
+
+enum InputErrorLv7: Error {
+    case invalidLength
+    case notNumber
+    case duplicateNumbers
+
+    var errorMessage: String {
+        switch self {
+        case .invalidLength:
+            return Constants.invalidLengthMessage
+        case .notNumber:
+            return Constants.notNumberMessage
+        case .duplicateNumbers:
+            return Constants.duplicateNumbersMessage
+        }
+    }
+}

Week2-BaseballGame/Week2-BaseballGame/Lv_6(피드백 수정)/GameLogic/BaseballGameLv7.swift

@@ -0,0 +1,146 @@
+import Foundation
+
+class BaseballGameLv7: BaseballGameProtocolLv7 {
+    var answer: [Int]
+    var strike: Int = 0
+    var ball: Int = 0
+    var gameRecords: [Int] = []
+    var gameAttempts: Int = 0
+
+    private var answerCreator: AnswerCreatorLv7
+
+    init(answerCreator: AnswerCreatorLv7) {
+        self.answerCreator = answerCreator
+        self.answer = AnswerCreatorLv7.create()
+    }
+
+    // 게임 시작을 안내하는 메서드
+    func startGame() {
+        while true {
+            print(Constants.welcomeMessage)
+            print(Constants.menuOptions)
+            print("ㄴ ", terminator: "")
+
+            guard let userInput = readLine(), let userIntInput = Int(userInput), (1...3).contains(userIntInput) else {
+                print("유효하지 않은 입력으로 1, 2, 3 중 하나를 선택하세요.")
+                continue
+            }
+
+            switch userIntInput {
+            case 1:
+                gameRecords.append(startBaseballGame())
+            case 2:
+                displayGameRecords()
+            case 3:
+                exitGame()
+            default:
+                continue
+            }
+        }
+    }
+
+    // 야구 게임의 핵심 로직
+    func startBaseballGame() -> Int {
+        resetGame()
+        print("야구 게임을 시작합니다!")
+
+        while true {
+            let userInput = getUserInput()
+
+            do {
+                let (strikeCount, ballCount) = try checkAnswer(userInput: userInput)
+                displayResult(strike: strikeCount, ball: ballCount)
+
+                if strikeCount == 3 {
+                    print("정답입니다!\n")
+                    return gameAttempts
+                }
+
+            } catch let error as InputErrorLv7 {
+                print(error.errorMessage)
+            } catch {
+                print("알 수 없는 오류가 발생했습니다.")
+            }
+        }
+    }
+
+    // 사용자 입력받기
+    private func getUserInput() -> String {
+        print("세 자리 숫자를 입력하세요: ", terminator: "")
+        guard let userInput = readLine() else { return "" }
+        return userInput
+    }
+
+    // 입력한 답을 확인하고 스트라이크와 볼을 계산
+    func checkAnswer(userInput: String) throws -> (strike: Int, ball: Int) {
+        guard let userNumber = Int(userInput), Constants.validNumberRange.contains(userNumber) else {
+            throw InputErrorLv7.invalidLength
+        }
+
+        let userAnswerArray = try parseUserAnswer(userInput)
+
+        guard Set(userAnswerArray).count == 3 else {
+            throw InputErrorLv7.duplicateNumbers
+        }
+
+        gameAttempts += 1
+        return evaluateBall(userAnswer: userAnswerArray, answer: answer)
+    }
+
+    private func parseUserAnswer(_ userInput: String) throws -> [Int] {
+        var userAnswerArray: [Int] = []
+        for char in userInput {
+            guard let userAnswerChar = Int(String(char)) else {
+                throw InputErrorLv7.notNumber
+            }
+            userAnswerArray.append(userAnswerChar)
+        }
+        return userAnswerArray
+    }
+
+    // 정답과 사용자의 입력 비교
+    func evaluateBall(userAnswer: [Int], answer: [Int]) -> (strike: Int, ball: Int) {
+        strike = 0
+        ball = 0
+        for index in userAnswer.indices {
+            if userAnswer[index] == answer[index] {
+                strike += 1
+            } else if answer.contains(userAnswer[index]) {
+                ball += 1
+            }
+        }
+        return (strike, ball)
+    }
+
+    private func displayResult(strike: Int, ball: Int) {
+        if strike == 0 && ball == 0 {
+            print("아웃!")
+        } else {
+            print("\(strike)스트라이크 \(ball)볼")
+        }
+    }
+
+    private func displayGameRecords() {
+        print("< 게임 기록 보기 >")
+        if gameRecords.isEmpty {
+            print("기록이 없습니다.")
+        } else {
+            for (index, attempts) in gameRecords.enumerated() {
+                print("\(index + 1)번째 게임: 시도 횟수 - \(attempts)")
+            }
+        }
+        print("")
+    }
+
+    private func resetGame() {
+        self.answer = AnswerCreatorLv7.create()
+        self.strike = 0
+        self.ball = 0
+        self.gameAttempts = 0
+    }
+
+    private func exitGame() {
+        print("숫자 야구 게임을 종료합니다.")
+        exit(0)
+    }
+}

Week2-BaseballGame/Week2-BaseballGame/Lv_6(피드백 수정)/GameLogic/GameHistory.swift

@@ -0,0 +1,19 @@
+import Foundation
+
+class GameHistory {
+    private var records: [Int] = []
+
+    func addRecord(_ attempts: Int) {
+        records.append(attempts)
+    }
+
+    func displayRecords() {
+        if records.isEmpty {
+            print("기록이 없습니다.")
+        } else {
+            for (index, attempts) in records.enumerated() {
+                print("\(index + 1)번째 게임: 시도 횟수 - \(attempts)")
+            }
+        }
+    }
+}

Week2-BaseballGame/Week2-BaseballGame/Lv_6(피드백 수정)/Protocols/BaseballGameProtocolLv7.swift

@@ -0,0 +1,14 @@
+import Foundation
+
+protocol BaseballGameProtocolLv7 {
+    var answer: [Int] { get set }
+    var strike: Int { get set }
+    var ball: Int { get set }
+    var gameRecords: [Int] { get set }
+    var gameAttempts: Int { get set }
+
+    func startGame()
+    func startBaseballGame() -> Int
+    func checkAnswer(userInput: String) throws -> (strike: Int, ball: Int)
+    func evaluateBall(userAnswer: [Int], answer: [Int]) -> (strike: Int, ball: Int)
+}

Week2-BaseballGame/Week2-BaseballGame/Lv_6(피드백 수정)/Utilities/AnswerCreatorLv7.swift

@@ -0,0 +1,16 @@
+import Foundation
+
+class AnswerCreatorLv7 {
+    static func create() -> [Int] {
+        var answerSet: Set<Int> = []
+        while answerSet.count < 3 {
+            let randomNum = Int.random(in: 0...9)
+            answerSet.insert(randomNum)
+        }
+        var answerArray = Array(answerSet)
+        if answerArray[0] == 0 {
+            answerArray.swapAt(0, Int.random(in: 1..<answerArray.count))
+        }
+        return answerArray
+    }
+}

Week2-BaseballGame/Week2-BaseballGame/Lv_6(피드백 수정)/Utilities/Constants.swift

@@ -0,0 +1,10 @@
+import Foundation
+
+enum Constants {
+    static let validNumberRange = 100...999
+    static let invalidLengthMessage = "제한사항: 세 자리 숫자를 입력해주세요."
+    static let notNumberMessage = "제한사항: 아라비아 숫자만 입력해주세요."
+    static let duplicateNumbersMessage = "제한사항: 서로 다른 숫자를 입력해주세요."
+    static let welcomeMessage = "환영합니다! 원하시는 번호를 입력해주세요"
+    static let menuOptions = "1. 게임 시작하기  2. 게임 기록 보기  3. 종료하기"
+}

Week2-BaseballGame/Week2-BaseballGame/main.swift

@@ -1,7 +1,7 @@
 import Foundation
 
 func startGame() {
-    print("레벨을 선택하세요 (1, 2, 3, 4, 5, 6): ", terminator: "")
+    print("레벨을 선택하세요 (1, 2, 3, 4, 5, 7): ", terminator: "")
     print("ㄴ")
 
     if let input = readLine(), let level = Int(input) {
@@ -23,8 +23,12 @@ func startGame() {
         case 6:
             let game = BaseballGameLv6()
             game.startGame()
+        case 7:
+            let answerCreator = AnswerCreatorLv7()
+            let game = BaseballGameLv7(answerCreator: answerCreator)
+            game.startGame()
         default:
-            print("유효하지 않은 레벨입니다. 1~6까지를 선택해주세요.")
+            print("유효하지 않은 레벨입니다. 1~7까지를 선택해주세요.")
         }
     } else {
         print("잘못된 입력입니다.")