Bowook

src/main/java/baseball/Application.java

@@ -1,7 +1,12 @@
 package baseball;
 
+import baseball.controller.BaseballController;
+
 public class Application {
     public static void main(String[] args) {
         // TODO: 프로그램 구현
+        BaseballController baseballController = new BaseballController();
+        baseballController.run();
+
     }
 }

src/main/java/baseball/controller/BaseballController.java

@@ -0,0 +1,51 @@
+package baseball.controller;
+
+import baseball.domain.Baseball;
+import baseball.service.Conversion;
+import baseball.service.Validate;
+import baseball.view.InputView;
+import baseball.view.OutputView;
+
+public class BaseballController {
+    private final Baseball baseball;
+    private final InputView inputView;
+    private final OutputView outputView;
+
+    public BaseballController() {
+        this.baseball = new Baseball();
+        this.inputView = new InputView();
+        this.outputView = new OutputView();
+        outputView.startMessage();
+    }
+    public void run() {
+        boolean isRunning = true;
+        while (isRunning) {
+            isRunning = play();
+        }
+    }
+
+    public boolean play() {
+        baseball.computerNumbersGenerator();
+        while (true) {
+            String userInput = inputView.readBaseballNumbers();
+
+            if (!Validate.validator(userInput)) {
+                throw new IllegalArgumentException(); // 예외 발생
+            }
+
+            boolean endFlag = outputView.printMessage(baseball.compare(Conversion.stringToList(userInput)));
+
+            while(endFlag) {
+                outputView.endMessage();
+                userInput = inputView.readCommandNumbers();
+                int commandType = Validate.commandValidator(userInput);
+                if(commandType == 1) {
+                    return true;
+                }
+                else if(commandType == 2) {
+                    return false;
+                }
+            }
+        }
+    }
+}

src/main/java/baseball/domain/Baseball.java

@@ -0,0 +1,48 @@
+package baseball.domain;
+
+import baseball.service.BaseballNumberGenerator;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+public class Baseball {
+    private List<Integer> computerBaseballNumbers;
+
+    public Baseball() {
+        this.computerBaseballNumbers = new ArrayList<>();
+    }
+
+    public void computerNumbersGenerator() {
+        computerBaseballNumbers = BaseballNumberGenerator.generator();
+    }
+
+    public String compare(List<Integer> convertedNumbers) {
+        StringBuilder sb = new StringBuilder();
+        int strike = 0;
+        int ball = 0;
+        for(int i = 0; i < 3; i ++) {
+            if(Objects.equals(computerBaseballNumbers.get(i), convertedNumbers.get(i))) {
+                strike += 1;
+            }
+            else if (computerBaseballNumbers.contains(convertedNumbers.get(i))) {
+                ball += 1;
+            }
+        }
+        if(strike != 0 && ball != 0) {
+            sb.append(ball).append("볼 ").append(strike).append("스트라이크");
+        }
+        else if(strike == 0 && ball != 0) {
+            sb.append(ball).append("볼");
+        }
+        else if(ball == 0 && strike != 0) {
+            sb.append(strike).append("스트라이크");
+        }
+        else if(strike == 0 && ball == 0) {
+            sb.append("낫싱");
+        }
+
+        return sb.toString();
+    }
+
+}

src/main/java/baseball/service/BaseballNumberGenerator.java

@@ -0,0 +1,22 @@
+package baseball.service;
+
+import camp.nextstep.edu.missionutils.Randoms;
+
+import java.util.ArrayList;
+import java.util.List;
+
+
+public class BaseballNumberGenerator {
+
+    public static List<Integer> generator() {
+        List<Integer> computer = new ArrayList<>();
+        while (computer.size() < 3) {
+            int randomNumber = Randoms.pickNumberInRange(1, 9);
+            if (!computer.contains(randomNumber)) {
+                computer.add(randomNumber);
+            }
+        }
+
+        return computer;
+    }
+}

src/main/java/baseball/service/Conversion.java

@@ -0,0 +1,14 @@
+package baseball.service;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Conversion {
+    public static List<Integer> stringToList(String userNumbers) {
+        List<Integer> convertedNumbers = new ArrayList<>();
+        for(int i = 0; i < 3; i ++) {
+            convertedNumbers.add(userNumbers.charAt(i)-'0');
+        }
+        return convertedNumbers;
+    }
+}

src/main/java/baseball/service/Validate.java

@@ -0,0 +1,44 @@
+package baseball.service;
+
+import java.util.HashSet;
+import java.util.Set;
+
+public class Validate {
+
+    public static boolean validator(String userInput) {
+        if (userInput == null || userInput.isBlank()) {
+            return false;
+        } else if (!userInput.matches("\\d+")) {
+            return false;
+        } else if (userInput.length() != 3) {
+            return false;
+        } else if (!hasUniqueDigits(userInput)) {
+            return false;
+        }
+
+        return true;
+    }
+
+
+    public static int commandValidator(String userCommandInput) {
+        if(!(userCommandInput.equals("1") || userCommandInput.equals("2"))) {
+            throw new IllegalArgumentException("1또는 2를 입력해주세요.");
+        }
+        else if (userCommandInput.equals("1")) {
+            return 1;
+        }
+        else {
+            return 2;
+        }
+    }
+
+    private static boolean hasUniqueDigits(String userInput) {
+        Set<Character> digitSet = new HashSet<>();
+        for (char c : userInput.toCharArray()) {
+            if (!digitSet.add(c)) {
+                return false;
+            }
+        }
+        return true;
+    }
+}

src/main/java/baseball/view/InputView.java

@@ -0,0 +1,20 @@
+package baseball.view;
+
+import camp.nextstep.edu.missionutils.Console;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+public class InputView {
+
+    public String readBaseballNumbers() {
+        System.out.print("숫자를 입력해주세요 : ");
+        return Console.readLine();
+    }
+
+    public String readCommandNumbers() {
+        System.out.println("게임을 새로 시작하려면 1, 종료하려면 2를 입력하세요.");
+        return Console.readLine();
+    }
+}

src/main/java/baseball/view/OutputView.java

@@ -0,0 +1,22 @@
+package baseball.view;
+
+public class OutputView {
+
+    public void startMessage() {
+        System.out.println("숫자 야구 게임을 시작합니다.");
+    }
+
+    public void endMessage() {
+        System.out.println("3개의 숫자를 모두 맞히셨습니다! 게임 종료");
+    }
+
+    public boolean printMessage(String message) {
+        System.out.println(message);
+        boolean threeStrikeFlag = false;
+        if(message.equals("3스트라이크")) {
+            threeStrikeFlag = true;
+        }
+
+        return threeStrikeFlag;
+    }
+}