From 07cc0cc21ef71f9a1a20b2342b84df61a27eddc0 Mon Sep 17 00:00:00 2001
From: Arachne <jhg2819@naver.com>
Date: Thu, 8 Jun 2023 19:28:04 +0900
Subject: [PATCH 1/3] race

---
 src/main/java/racingcar/Application.java |  2 +
 src/main/java/racingcar/Car.java         | 38 +++++++++-
 src/main/java/racingcar/Race.java        | 91 ++++++++++++++++++++++++
 3 files changed, 130 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/racingcar/Race.java

diff --git a/src/main/java/racingcar/Application.java b/src/main/java/racingcar/Application.java
index b9ed0456a3..9cda5827c3 100644
--- a/src/main/java/racingcar/Application.java
+++ b/src/main/java/racingcar/Application.java
@@ -2,6 +2,8 @@
 
 public class Application {
     public static void main(String[] args) {
+        Race race = new Race();
+        race.run();
         // TODO 구현 진행
     }
 }
diff --git a/src/main/java/racingcar/Car.java b/src/main/java/racingcar/Car.java
index ab3df94921..1245d29f02 100644
--- a/src/main/java/racingcar/Car.java
+++ b/src/main/java/racingcar/Car.java
@@ -1,5 +1,7 @@
 package racingcar;
 
+import static camp.nextstep.edu.missionutils.Randoms.pickNumberInRange;
+
 public class Car {
     private final String name;
     private int position = 0;
@@ -7,6 +9,40 @@ public class Car {
     public Car(String name) {
         this.name = name;
     }
+    public String getName()
+    {
+        return name;
+    }
+    public int getPosition()
+    {
+        return position;
+    }
+    public void start()
+    {
+        int dice = pickNumberInRange(0,9);
+        if (canGo(dice))
+            move();
+    }
+    private boolean canGo(int dice)
+    {
+        if (dice >= 4)
+            return true;
+        return false;
+    }
+    private void move()
+    {
+        position += 1;
+    }
+    public String toString()
+    {
+        StringBuilder sb = new StringBuilder();
+        sb.append(name).append(" : ");
+
+        for(int i=0;i<position;i++)
+            sb.append("-");
+
+        return sb.toString();
+    }
+
 
-    // 추가 기능 구현
 }
diff --git a/src/main/java/racingcar/Race.java b/src/main/java/racingcar/Race.java
new file mode 100644
index 0000000000..37e8c1d660
--- /dev/null
+++ b/src/main/java/racingcar/Race.java
@@ -0,0 +1,91 @@
+package racingcar;
+
+import java.util.*;
+import java.util.stream.*;
+import static camp.nextstep.edu.missionutils.Console.readLine;
+
+public class Race
+{
+    private static final String INPUT_NAME = "경주할 자동차 이름을 입력하세요.(이름은 쉼표(,) 기준으로 구분)";
+    private static final String INPUT_ROUND = "시도할 회수는 몇회인가요?";
+    private static final String RESULT_HEAD = "실행 결과";
+    private static final String FINAL_WINNER = "최종 우승자 : ";
+
+    private static String[] carnames;
+    private static Car[] cars;
+    private static int numberOfCars;
+
+    public void run()
+    {
+        getCarsName();
+        makeCars();
+
+        int round = getRound();
+        startRace(round);
+
+        Car[] winners = calWinners();
+        printWinnerName(winners);
+    }
+    private void getCarsName()
+    {
+        System.out.println(INPUT_NAME);
+        carnames = readLine().split(",");
+        numberOfCars = carnames.length;
+    }
+    private void makeCars()
+    {
+        cars = Arrays.stream(carnames).map(Car::new).toArray(Car[]::new);
+    }
+    private int getRound()
+    {
+        System.out.println(INPUT_ROUND);
+        return Integer.parseInt(readLine());
+    }
+    private void startRace(int round)
+    {
+        printResultHead();
+        for(int i=0;i<round;i++)
+        {
+            moveCars();
+            printRoundResult();
+        }
+    }
+    private void printRoundResult()
+    {
+        for(Car car:cars)
+            System.out.println(car.toString());
+        System.out.println();
+    }
+    private void moveCars()
+    {
+        for(Car car:cars)
+            car.start();
+    }
+    private void printResultHead()
+    {
+        System.out.println(RESULT_HEAD);
+    }
+    private Car[] calWinners()
+    {
+        int winnerDistance = getWinnerDistance();
+        return getWinner(winnerDistance);
+    }
+    private int getWinnerDistance()
+    {
+        return Arrays.stream(cars).mapToInt(Car::getPosition).max().orElse(0);
+    }
+    private Car[] getWinner(int winnerDistance)
+    {
+        return Arrays.stream(cars).filter(car -> car.getPosition()==winnerDistance)
+                .toArray(Car[]::new);
+    }
+    private void printWinnerName(Car[] winners)
+    {
+
+        System.out.println(FINAL_WINNER+);
+    }
+    private String getWinnerName(Car[] winners)
+    {
+        return Arrays.stream(winners).map(Car::getName).collect(String.join());
+    }
+}

From 90abe32a50a32f5e9d9604f8e4c07557b33cfd77 Mon Sep 17 00:00:00 2001
From: Arachne <jhg2819@naver.com>
Date: Thu, 8 Jun 2023 20:14:58 +0900
Subject: [PATCH 2/3] test

---
 src/main/java/racingcar/Application.java     |  1 -
 src/main/java/racingcar/Race.java            | 68 ++++++++++++++++----
 src/test/java/racingcar/ApplicationTest.java |  9 +++
 3 files changed, 64 insertions(+), 14 deletions(-)

diff --git a/src/main/java/racingcar/Application.java b/src/main/java/racingcar/Application.java
index 9cda5827c3..028c802270 100644
--- a/src/main/java/racingcar/Application.java
+++ b/src/main/java/racingcar/Application.java
@@ -4,6 +4,5 @@ public class Application {
     public static void main(String[] args) {
         Race race = new Race();
         race.run();
-        // TODO 구현 진행
     }
 }
diff --git a/src/main/java/racingcar/Race.java b/src/main/java/racingcar/Race.java
index 37e8c1d660..422a2d8936 100644
--- a/src/main/java/racingcar/Race.java
+++ b/src/main/java/racingcar/Race.java
@@ -10,15 +10,15 @@ public class Race
     private static final String INPUT_ROUND = "시도할 회수는 몇회인가요?";
     private static final String RESULT_HEAD = "실행 결과";
     private static final String FINAL_WINNER = "최종 우승자 : ";
+    private static final String ERRMASSAGE = "[ERROR] 이름은 5글자 이하여야 합니다.";
+    private static final String ERRROUNDMESSAGE = "[ERROR] 시도 횟수는 숫자여야 한다.";
 
-    private static String[] carnames;
     private static Car[] cars;
-    private static int numberOfCars;
 
     public void run()
     {
-        getCarsName();
-        makeCars();
+        String[] carnames = getCarsName();
+        makeCars(carnames);
 
         int round = getRound();
         startRace(round);
@@ -26,20 +26,49 @@ public void run()
         Car[] winners = calWinners();
         printWinnerName(winners);
     }
-    private void getCarsName()
+    private String[] getCarsName()
     {
-        System.out.println(INPUT_NAME);
-        carnames = readLine().split(",");
-        numberOfCars = carnames.length;
+        String[] carnames;
+        while(true)
+        {
+            try
+            {
+                System.out.println(INPUT_NAME);
+                carnames = readLine().split(",");
+                validateNames(carnames);
+                break;
+            } catch (IllegalArgumentException e)
+            {
+                System.out.println(e.getMessage());
+            }
+        }
+        return carnames;
     }
-    private void makeCars()
+    private void makeCars(String[] carnames)
     {
         cars = Arrays.stream(carnames).map(Car::new).toArray(Car[]::new);
     }
     private int getRound()
     {
         System.out.println(INPUT_ROUND);
-        return Integer.parseInt(readLine());
+        String input;
+        while(true)
+        {
+            try{
+                input = readLine();
+                validateRoundInput(input);
+                break;
+            } catch (IllegalArgumentException e){
+                System.out.println(e.getMessage());
+            }
+        }
+        return Integer.parseInt(input);
+    }
+    private void validateRoundInput(String input)
+    {
+        if(input.chars().allMatch(Character::isDigit))
+            return;
+        throw new IllegalArgumentException(ERRROUNDMESSAGE);
     }
     private void startRace(int round)
     {
@@ -81,11 +110,24 @@ private Car[] getWinner(int winnerDistance)
     }
     private void printWinnerName(Car[] winners)
     {
-
-        System.out.println(FINAL_WINNER+);
+        System.out.println(FINAL_WINNER+getWinnerName(winners));
     }
     private String getWinnerName(Car[] winners)
     {
-        return Arrays.stream(winners).map(Car::getName).collect(String.join());
+        return Arrays.stream(winners).map(Car::getName).collect(Collectors.joining(", "));
+    }
+    private boolean validateNameLength(String name)
+    {
+        return name.length() > 5;
+    }
+    private void validateNames(String[] carnames)
+    {
+        for(String carname:carnames)
+        {
+            if(validateNameLength(carname))
+            {
+                throw new IllegalArgumentException(ERRMASSAGE);
+            }
+        }
     }
 }
diff --git a/src/test/java/racingcar/ApplicationTest.java b/src/test/java/racingcar/ApplicationTest.java
index 8f6f70a218..a88c37cc22 100644
--- a/src/test/java/racingcar/ApplicationTest.java
+++ b/src/test/java/racingcar/ApplicationTest.java
@@ -33,6 +33,15 @@ class ApplicationTest extends NsTest {
             }
         );
     }
+    @Test
+    void 라운드에_대한_예외_처리() {
+        assertSimpleTest(
+                () -> {
+                    runException("pobi,java","abd");
+                    assertThat(output()).contains(ERROR_MESSAGE);
+                }
+        );
+    }
 
     @Override
     public void runMain() {

From bda91dc9a3496ebb93d592479bbf4b05b963ed48 Mon Sep 17 00:00:00 2001
From: Arachne <66822642+Arachneee@users.noreply.github.com>
Date: Sat, 10 Jun 2023 22:05:30 +0900
Subject: [PATCH 3/3] Update README.md

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index ac237bb906..f7a9546d47 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 - 미션은 **기능 요구사항, 프로그래밍 요구사항, 과제 진행 요구사항** 세 가지로 구성되어 있다.
 - 세 개의 요구사항을 만족하기 위해 노력한다. 특히 기능을 구현하기 전에 기능 목록을 만들고, 기능 단위로 커밋 하는 방식으로 진행한다.
 
-## ✉️ 미션 제출 방법
+## ✉️ 미션 제출 방법 
 
 - 미션 구현을 완료한 후 GitHub을 통해 제출해야 한다.
   - GitHub을 활용한 제출 방법은 [프리코스 과제 제출 문서](https://github.com/woowacourse/woowacourse-docs/tree/master/precourse) 를 참고해 제출한다.