[야구 게임 미션] 오지민 미션 제출합니다.

README.md

@@ -130,7 +130,24 @@
 <br>
 
 ---
+## 구현할 기능 목록
+- 컴퓨터가 임의의 수 3개 선택하도록 구현
+- 게임 진행
+  - 스트라이크일 경우
+  - 볼일 경우
+  - 낫싱일 경우
+- 3개의 숫자를 모두 맞힐시에 대한 결과 출력
+- 게임이 끝났을 경우에 대한 처리
+- 입력에 대한 에러처리
+  - 3자리의 수가 아닌경우
+  - 숫자가 아닌 입력을 받은 경우
+  - 입력받은 수가 서로 다른 자릿수가 아닐 경우 
+  - 게임이 끝난 경우 재시작/종료를 구분하는 1과 2가 아닌 다른
+    숫자를 입력한 경우
 
+<br>
+
+---
 ## 📝 License
 
 This project is [MIT](https://github.com/woowacourse/java-baseball-precourse/blob/master/LICENSE) licensed.

src/main/java/baseball/Application.java

@@ -1,7 +1,19 @@
 package baseball;
 
+import baseball.controller.BaseballGame;
+import baseball.model.ComputerNumber;
+import baseball.model.Result;
+import baseball.model.UserNumber;
+import baseball.view.InputView;
+import baseball.view.OutputView;
+
+import java.awt.*;
+import java.util.List;
+
 public class Application {
     public static void main(String[] args) {
         //TODO: 숫자 야구 게임 구현
+        BaseballGame baseballGame = new BaseballGame();
+        baseballGame.start();
     }
 }

src/main/java/baseball/controller/BaseballGame.java

@@ -0,0 +1,52 @@
+package baseball.controller;
+
+import baseball.model.ComputerNumber;
+import baseball.model.Result;
+import baseball.model.UserNumber;
+import baseball.validate.ValidateRestart;
+import baseball.view.InputView;
+import baseball.view.OutputView;
+
+import java.util.List;
+
+public class BaseballGame {
+
+    public void start() {
+        do {
+            List<Integer> computerRandomNumber = makeComputerNumber();
+            playGame(computerRandomNumber);
+        } while (isRestart());
+    }
+
+    public List<Integer> makeComputerNumber() {
+        ComputerNumber computerNumber = new ComputerNumber();
+        return computerNumber.getRandomNum();
+    }
+
+    public void playGame(List<Integer> computerRandomNumber) {
+        while (true) {
+            UserNumber inputUserNumber = new UserNumber(InputView.inputUserNumber());
+            Result result = makeResult(inputUserNumber, computerRandomNumber);
+            OutputView.printResult(result);
+            if (result.isSuccess()) {
+                break;
+            }
+        }
+    }
+
+    public Result makeResult(UserNumber inputUserNumber, List<Integer> computerRandomNumber) {
+        Result result = new Result();
+        inputUserNumber.countBall(computerRandomNumber, result);
+        inputUserNumber.countStrike(computerRandomNumber, result);
+        result.updateIsNothing();
+        return result;
+    }
+
+    public boolean isRestart() {
+        OutputView.outputRestartMessage();
+        String inputUserRestartNumber = InputView.inputUserRestartNumber();
+        ValidateRestart.validateInputRestartNumber(inputUserRestartNumber);
+        return inputUserRestartNumber.equals("1");
+    }
+
+}

src/main/java/baseball/model/ComputerNumber.java

@@ -0,0 +1,29 @@
+package baseball.model;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import static camp.nextstep.edu.missionutils.Randoms.pickNumberInRange;
+
+public class ComputerNumber {
+    private List<Integer> randomNum;
+
+    public ComputerNumber() {
+        this.randomNum = makeRandomNum();
+    }
+
+    public List<Integer> makeRandomNum() {
+        List<Integer> randomNum = new ArrayList<>();
+        while (randomNum.size() < 3) {
+            int random = pickNumberInRange(1, 9);
+            if (!randomNum.contains(random)) {
+                randomNum.add(random);
+            }
+        }
+        return randomNum;
+    }
+
+    public List<Integer> getRandomNum() {
+        return this.randomNum;
+    }
+}

src/main/java/baseball/model/Result.java

@@ -0,0 +1,46 @@
+package baseball.model;
+
+/**
+ * 온전히 결과에 대한 책임만
+ */
+public class Result {
+    private int ball;
+    private int strike;
+    private boolean isNothing;
+
+    public Result() {
+        this.ball = 0;
+        this.strike = 0;
+        this.isNothing = false;
+    }
+
+    public int getBall() {
+        return ball;
+    }
+
+    public int getStrike() {
+        return strike;
+    }
+
+    public boolean isNothing() {
+        return isNothing;
+    }
+
+    public void updateBall() {
+        this.ball+=1;
+    }
+
+    public void updateStrike() {
+        this.strike+=1;
+    }
+
+    public void updateIsNothing() {
+        if (this.ball == 0 && this.strike == 0) {
+            this.isNothing = true;
+        }
+    }
+
+    public boolean isSuccess() {
+        return this.strike == 3;
+    }
+}

src/main/java/baseball/model/UserNumber.java

@@ -0,0 +1,44 @@
+package baseball.model;
+
+import baseball.validate.ValidateUserNumber;
+
+import java.util.List;
+
+public class UserNumber {
+    private String userNum;
+
+    public UserNumber(String userNum) {
+        ValidateUserNumber.isNumber(userNum);
+        ValidateUserNumber.is3DigitNumber(userNum);
+        ValidateUserNumber.isDulplicateDigit(userNum);
+        this.userNum = userNum;
+    }
+
+    public String getUserNum() {
+        return this.userNum;
+    }
+
+    public void countBall(List<Integer> computerNumber, Result result) {
+        for (int i = 0; i < computerNumber.size(); i++) {
+            checkBallByUserNumber(i, computerNumber, result);
+        }
+    }
+
+    public void checkBallByUserNumber(int i, List<Integer> computerNumber, Result result) {
+        for (int j = 0; j < this.getUserNum().length(); j++) {
+            if (i != j && computerNumber.get(i) == Character.getNumericValue(this.userNum.charAt(j))) {
+                result.updateBall();
+            }
+        }
+    }
+
+    public void countStrike(List<Integer> computerNumber, Result result) {
+        for (int i = 0; i < computerNumber.size(); i++) {
+            if (computerNumber.get(i) == Character.getNumericValue(this.userNum.charAt(i))) {
+                result.updateStrike();
+            }
+        }
+    }
+
+
+}

src/main/java/baseball/validate/ValidateRestart.java

@@ -0,0 +1,10 @@
+package baseball.validate;
+
+public class ValidateRestart {
+
+    public static void validateInputRestartNumber(String inputRestartNumber){
+        if (!inputRestartNumber.equals("1") && !inputRestartNumber.equals("2")) {
+            throw new IllegalArgumentException("잘못된 입력입니다");
+        }
+    }
+}

src/main/java/baseball/validate/ValidateUserNumber.java

@@ -0,0 +1,30 @@
+package baseball.validate;
+
+import java.util.HashSet;
+import java.util.Set;
+
+public class ValidateUserNumber {
+
+    public static void isNumber(String userNumber) {
+        try {
+            int toNumber = Integer.parseInt(userNumber);
+        } catch (NumberFormatException e) {
+            System.out.println("숫자로 입력해주세요");
+        }
+    }
+
+    public static void is3DigitNumber(String userNumber) {
+        if (userNumber.length() != 3) {
+            throw new IllegalArgumentException("3자리 숫자로 입력해주세요");
+        }
+    }
+
+    public static void isDulplicateDigit(String userNumber) {
+        Set<Character> digitSet = new HashSet<>();
+        for (char digit : userNumber.toCharArray()) {
+            if (!digitSet.add(digit)) {
+                throw new IllegalArgumentException("각 자리 숫자가 중복되지 않게 입력해주세요.");
+            }
+        }
+    }
+}

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

@@ -1,5 +1,15 @@
 package baseball.view;
 
+import camp.nextstep.edu.missionutils.Console;
+
 public class InputView {
 
+    public static String inputUserNumber() {
+        System.out.print("숫자를 입력해주세요 : ");
+        return Console.readLine();
+    }
+
+    public static String inputUserRestartNumber() {
+        return Console.readLine();
+    }
 }

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

@@ -1,5 +1,55 @@
 package baseball.view;
 
+import baseball.model.Result;
+
 public class OutputView {
 
+    public static void printResult(Result result) {
+        if (result.isSuccess()) {
+            outputSuccessMessage();
+        }
+        if (!result.isSuccess()) {
+            printNotSuccessResult(result);
+        }
+    }
+
+    public static void printNotSuccessResult(Result result) {
+        outputNothingMessage(result);
+        outputBallMessage(result);
+        outputStrikeMessage(result);
+        outputBallStrikeMessage(result);
+    }
+
+
+    public static void outputNothingMessage(Result result) {
+        if (result.isNothing()) {
+            System.out.println("낫싱");
+        }
+    }
+
+    public static void outputBallMessage(Result result) {
+        if (result.getBall() > 0 && result.getStrike() == 0) {
+            System.out.println(result.getBall() + "볼");
+        }
+    }
+
+    public static void outputStrikeMessage(Result result) {
+        if (result.getStrike() > 0 && result.getBall() == 0) {
+            System.out.println(result.getStrike() + "스트라이크");
+        }
+    }
+
+    public static void outputBallStrikeMessage(Result result) {
+        if (result.getBall() > 0 && result.getStrike() > 0) {
+            System.out.println(result.getBall() + "볼 " + result.getStrike() + "스트라이크");
+        }
+    }
+
+    public static void outputSuccessMessage() {
+        System.out.println("3스트라이크\n3개의 숫자를 모두 맞히셨습니다! 게임 종료");
+    }
+
+    public static void outputRestartMessage() {
+        System.out.println("게임을 새로 시작하려면 1, 종료하려면 2를 입력하세요.");
+    }
 }