test

src/main/java/baseball/Application.java

@@ -1,7 +1,16 @@
 package baseball;
 
+import camp.nextstep.edu.missionutils.Console;
+import camp.nextstep.edu.missionutils.Randoms;
+
+import java.util.ArrayList;
+import java.util.List;
+
 public class Application {
+
     public static void main(String[] args) {
         // TODO: 프로그램 구현
+        BaseballController baseballController = new BaseballController();
+        baseballController.gameStart();
     }
 }

src/main/java/baseball/BaseballController.java

@@ -0,0 +1,70 @@
+package baseball;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class BaseballController {
+    private final BaseballModel baseballModel;
+    private final BaseballView baseballView;
+    private final List<Integer> user;
+
+    public BaseballController() {
+        baseballModel = new BaseballModel();
+        baseballView = new BaseballView();
+        user = new ArrayList<>();
+    }
+
+    public void gameStart() {
+        System.out.println("숫자 야구 게임을 시작합니다.");
+        while (true) {
+            user.clear();
+            String userInput = baseballView.getUserInput();
+            exception(userInput);
+            for (int i = 0; i < Constants.NUMBER_SIZE; i++) {
+                user.add(userInput.charAt(i) - '0');
+            }
+            int[] result = baseballModel.calculateStrikeAndBall(user);
+            if (result[0] == 3) { //게임 승리
+                baseballView.printWinMessage();
+                int restart = baseballView.askForRestart();
+                if (restart == 1) {
+                    baseballModel.getNewComputerNum();
+                } else if (restart == 2) {
+                    return;
+                } else {
+                    throw new IllegalArgumentException("1,2만 입력하세요");
+                }
+            } else {
+                baseballView.printResult(result[0], result[1]);
+            }
+        }
+    }
+
+    private static void exception(String input) {
+        if (input.length() != Constants.NUMBER_SIZE) {
+            throw new IllegalArgumentException("3개의 값이 들어가야 합니다.");
+        }
+
+        try {
+            Integer.parseInt(input);
+        } catch (NumberFormatException e) {
+            throw new IllegalArgumentException("정수형 변환 불가");
+        }
+
+        if (hasDuplicatedDigits(input)) {
+            throw new IllegalArgumentException("3개의 숫자는 모두 달라야 합니다.");
+        }
+
+    }
+
+    private static boolean hasDuplicatedDigits(String input) {
+        for (int i = 0; i < input.length(); i++) {
+            for (int j = i + 1; j < input.length(); j++) {
+                if (input.charAt(i) == input.charAt(j)) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+}

src/main/java/baseball/BaseballModel.java

@@ -0,0 +1,41 @@
+package baseball;
+
+import camp.nextstep.edu.missionutils.Randoms;
+import java.util.ArrayList;
+import java.util.List;
+
+public class BaseballModel {
+    private List<Integer> computer;
+    public BaseballModel() {
+        this.computer = generateRandomNum();
+    }
+
+    public List<Integer> getNewComputerNum() {
+        return this.computer = generateRandomNum();
+    }
+
+    public int[] calculateStrikeAndBall(List<Integer> user) {
+        int strike = 0;
+        int ball = 0;
+        for (int i = 0; i < Constants.NUMBER_SIZE; i++) {
+            if (user.get(i).equals(computer.get(i))) {
+                strike++;
+            } else if (user.contains(computer.get(i))) {
+                ball++;
+            }
+        }
+        return new int[]{strike, ball};
+    }
+
+
+    public List<Integer> generateRandomNum() {
+        List<Integer> number = new ArrayList<>();
+        while (number.size() < Constants.NUMBER_SIZE) {
+            int randomNumber = Randoms.pickNumberInRange(1, 9);
+            if (!number.contains(randomNumber)) {
+                number.add(randomNumber);
+            }
+        }
+        return number;
+    }
+}

src/main/java/baseball/BaseballView.java

@@ -0,0 +1,39 @@
+package baseball;
+
+import camp.nextstep.edu.missionutils.Console;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class BaseballView {
+    public String getUserInput() {
+        System.out.print("숫자를 입력해 주세요: ");
+        return Console.readLine();
+    }
+
+    public void printResult(int strike, int ball) {
+        if (strike == 0 && ball == 0) {
+            System.out.println("낫싱");
+        } else if (strike > 0 && ball > 0) {
+            System.out.println(ball + "볼 " + strike + "스트라이크");
+        } else if (strike > 0) {
+            System.out.println(strike + "스트라이크");
+        } else if (ball > 0) {
+            System.out.println(ball + "볼");
+        }
+    }
+
+    public void printWinMessage() {
+        System.out.println("3스트라이크");
+        System.out.println("3개의 숫자를 모두 맞히셨습니다! 게임 종료");
+    }
+
+    public int askForRestart() {
+        System.out.println("게임을 새로 시작하려면 1, 종료하려면 2를 입력하세요.");
+        return Integer.parseInt(Console.readLine()); //이것도 예외처리 해야함
+    }
+
+    public void printError(String message) {
+        System.out.println(message);
+    }
+}

src/main/java/baseball/Constants.java

@@ -0,0 +1,5 @@
+package baseball;
+
+public class Constants {
+    public static final int NUMBER_SIZE = 3;
+}