[스프링 목요일 5팀] 구나현 과제 제출합니다.

README.md

@@ -2,3 +2,7 @@
 
 자동차 경주 미션 저장소
 
+//경주할 자동차 이름 입력받기
+//시도할 횟수 입력 받기
+//경주 진행하기 
+//우승자 출력하기

src/main/java/RacingMain.java

@@ -1,7 +1,9 @@
-public class RacingMain {
+import controller.RacingController;
+import domain.RacingGame;
 
+public class RacingMain {
     public static void main(String[] args) {
-        // TODO: MVC 패턴을 기반으로 자동차 경주 미션 구현해보기
-        System.out.println("Hello, World!");
+        final RacingController racingController = new RacingController();
+        racingController.run();
     }
 }

src/main/java/controller/RacingController.java

@@ -0,0 +1,53 @@
+package controller;
+
+import domain.RacingGame;
+import util.GenerateRandomDistance;
+import view.InputView;
+import view.ResultView;
+
+import java.util.*;
+
+
+public class RacingController {
+    public void run(){
+        try{
+            final var cars = InputView.readCarNames();  //차이름 입력받기
+            final var tryCount = InputView.readTryCount();  //시도 횟수 입력받기
+
+            final var racingGame = new RacingGame(cars, tryCount);
+            race(racingGame);   //경주 실행
+
+            ResultView.printWinners(getWinners(racingGame.getCars()));  //우승자 출력
+
+        }catch(IllegalArgumentException e){
+            System.out.println(e.getMessage());
+        }
+    }
+
+
+    //경주 실행
+    private void race(RacingGame racingGame){
+        ResultView resultView = new ResultView();
+        resultView.start(racingGame.getCars());
+
+        for(int i = 0; i < racingGame.getTryCount(); i++){
+            GenerateRandomDistance.generateRandomDistance(racingGame.getCars());
+            resultView.printRaceStep(racingGame.getCars());
+            System.out.println();
+        }
+    }
+
+
+    //우승자 구하는 메소드
+    private List<String> getWinners(Map<String, Integer> cars){
+        List<String> winners = new ArrayList<>();
+        int maxValue = Collections.max(cars.values());
+
+        for(Map.Entry<String, Integer> entry : cars.entrySet()){    //이거 메소드로 분리하는게 가독성이 더 떨어질듯?
+            if(entry.getValue() == maxValue){
+                winners.add(entry.getKey());
+            }
+        }
+        return winners;
+    }
+}

src/main/java/domain/RacingGame.java

@@ -0,0 +1,56 @@
+package domain;
+
+import java.util.*;
+
+public class RacingGame {
+    private static Map<String, Integer> cars;
+    private int tryCount;
+
+    public RacingGame(){
+
+    }
+    public RacingGame(Map<String, Integer> cars, int tryCount){
+        carNamesValidate(cars);
+        tryCountValidate(tryCount);
+        this.cars = cars;
+        this.tryCount = tryCount;
+    }
+
+    //자동차 distance 업데이트 메소드
+    public static void updateDistance(String carName, int random){
+        if(random >= 4) {
+            int distance = cars.get(carName) + 1;
+            cars.replace(carName, distance);
+        }
+    }
+
+    public Map<String, Integer> getCars() {
+        return cars;
+    }
+
+    public int getTryCount() {
+        return tryCount;
+    }
+
+    public static void tryCountValidate(int count){
+        if(count <= 0)
+            throw new IllegalArgumentException("[ERROR]시도 횟수는 양수입니다.");
+    }
+
+    //차이름 유효성 검사 메소드
+    public static void carNamesValidate(Map<String, Integer> cars){
+        Iterator<String> keys = cars.keySet().iterator();
+        while(keys.hasNext()){
+            String key = keys.next();
+            lengthValidate(key);
+        }
+
+    }
+
+    //차 길이 유효성 검사 메소드
+    private static void lengthValidate(String name){
+        if(name.length() > 5)
+            throw new IllegalArgumentException("[ERROR]차 이름은 5자 이하여야합 니다.");
+    }
+
+}

src/main/java/util/GenerateRandomDistance.java

@@ -0,0 +1,17 @@
+package util;
+
+import domain.RacingGame;
+
+import java.util.Map;
+import java.util.Random;
+
+public class GenerateRandomDistance {
+
+    public static void generateRandomDistance(Map<String, Integer> cars){
+        for(Map.Entry<String, Integer> entry : cars.entrySet()){
+            Random random = new Random();
+            int randomNum = random.nextInt(10);
+            RacingGame.updateDistance(entry.getKey(), randomNum);
+        }
+    }
+}

src/main/java/view/InputView.java

@@ -0,0 +1,33 @@
+package view;
+
+import java.util.*;
+
+public class InputView {
+    private static Scanner scanner = new Scanner(System.in);
+
+    //차이름 입력 메소드
+    public static Map<String, Integer> readCarNames(){
+        try{
+            Map<String, Integer> cars = new HashMap<>();
+            System.out.println("경주할 자동차 이름을 입력하세요(이름은 쉼표(,)를 기준으로 구분).");
+            String line = scanner.nextLine();
+            String[] str = line.split(",");
+            for(int i = 0; i<str.length; i++){
+                cars.put(str[i], 1);
+            }
+            return cars;
+        }catch(IllegalArgumentException e){
+            System.out.println(e.getMessage());
+            return null;
+        }
+    }
+
+    //시도횟수 입력 메소드
+    public static int readTryCount(){
+        System.out.println("시도할 횟수는 몇회인가요?");
+        int count = scanner.nextInt();
+        scanner.nextLine();
+        return count;
+    }
+
+}

src/main/java/view/ResultView.java

@@ -0,0 +1,36 @@
+package view;
+
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+public class ResultView {
+
+    //우승자 출력 메소드
+    public static void printWinners(List<String> winners){
+        int i;
+        for(i = 0; i < winners.size() - 1; i++){
+            System.out.print(winners.get(i)+ ", ");
+        }
+        System.out.print(winners.get(i) + "가 최종 우승했습니다.");
+    }
+
+    //경주 단계 출력 메소드
+    public void printRaceStep(Map<String, Integer> cars){
+        for(Map.Entry<String, Integer> entry : cars.entrySet()){
+            String name = entry.getKey();
+            String distance = "-".repeat(cars.get(name));
+            System.out.println(name + " : " + distance);
+        }
+    }
+
+    //경주 시작 출력 메소드
+    public void start(Map<String, Integer> cars){
+        System.out.println("실행 결과");
+        printRaceStep(cars);
+        System.out.println();
+    }
+}
+
+

src/test/java/controller/RacingControllerTest.java

@@ -0,0 +1,4 @@
+package controller;
+
+public class RacingControllerTest {
+}

src/test/java/domain/RacingGameTest.java

@@ -0,0 +1,4 @@
+package domain;
+
+public class RacingGameTest {
+}

src/test/java/view/InputViewTest.java

@@ -0,0 +1,4 @@
+package view;
+
+public class InputViewTest {
+}

src/test/java/view/ResultViewTest.java

@@ -0,0 +1,18 @@
+package view;
+
+import org.junit.jupiter.api.Test;
+import org.assertj.*;
+
+public class ResultViewTest {
+
+    @Test
+    void 기능_테스트(){
+        //given
+
+        //when
+
+        //then
+
+
+    }
+}