완

src/main/java/Controller/Controller.java

@@ -0,0 +1,63 @@
+package Controller;
+
+import Enum.FixNum;
+import Enum.Reward;
+import Model.Lotto;
+import Model.WinningNum;
+import camp.nextstep.edu.missionutils.Randoms;
+
+import java.util.*;
+
+
+public class Controller {
+
+    // 로또 랜덤 넘버 뽑기
+    private List<Integer> random() {
+        List<Integer> lottoList = new ArrayList<>(Randoms.pickUniqueNumbersInRange(FixNum.MIN_NUM.get(), FixNum.MAX_NUM.get(), FixNum.LIST_SIZE.get()));
+        Collections.sort(lottoList);
+        return lottoList;
+    }
+
+    // 금액 만큼 로또 리스트 만들기
+    public List<Lotto> lottoList(int quntity) {
+        List<Lotto> list = new ArrayList<>();
+        for (int i = 0; i < quntity; i++) {
+            list.add(new Lotto(random()));
+        }
+        return list;
+    }
+
+    // 상금을 카운트해서 넣을 Map
+    private Map<Reward, Integer> resultList() {
+        Map<Reward, Integer> result = new LinkedHashMap<>();
+
+        for (Reward reward : Reward.values()) {
+            result.put(reward, 0);
+        }
+        return result;
+    }
+
+    // 상금에 해당하는 만큼 카운트 넣어주기
+    public Map<Reward, Integer> lottoResult(List<Lotto> lottoList, WinningNum winningLotto) {
+        Map<Reward, Integer> result = resultList();
+        Reward reward;
+
+        for (int i = 0; i < lottoList.size(); i++) {
+            reward = winningLotto.match(lottoList.get(i));
+            result.put(reward, result.get(reward) + 1);
+        }
+
+        return result;
+    }
+
+    // 수익률
+    public double rateOfReturn(Map<Reward, Integer> result, int quntity) {
+        double rateOfReturn = 0;
+        for (Reward reward : result.keySet()) {
+            rateOfReturn += ((double) (reward.getReward())
+                    / (quntity * FixNum.MIN_MONEY.get()) * (result.get(reward)) * (FixNum.PERCENTAGE.get()));
+
+        }
+        return rateOfReturn;
+    }
+}

src/main/java/Enum/FixNum.java

@@ -0,0 +1,21 @@
+package Enum;
+
+public enum FixNum {
+    MIN_MONEY(1000),
+    LIST_SIZE(6),
+    MIN_NUM(1),
+    MAX_NUM(45),
+    PLUS_BONUS_NUM_SIZE(7),
+    WINNING_MIN_COUNT(3),
+    PERCENTAGE(100);
+
+    private int value;
+
+    FixNum(int value) {
+        this.value = value;
+    }
+
+    public int get() {
+        return value;
+    }
+}

src/main/java/Enum/FixString.java

@@ -0,0 +1,20 @@
+package Enum;
+
+public enum FixString {
+    ERROR("[ERROR]"),
+    START("구입금액을 입력해 주세요."),
+    BUY_LOTTO("개를 구매했습니다."),
+    USER_LOTTO("당첨 번호를 입력해 주세요."),
+    BONUS_NUM("보너스 번호를 입력해 주세요."),
+    RESULT("당첨 통계");
+
+    private String message;
+
+    FixString(String message) {
+        this.message = message;
+    }
+
+    public String get() {
+        return message;
+    }
+}

src/main/java/Enum/Reward.java

@@ -0,0 +1,52 @@
+package Enum;
+
+import View.Print;
+
+public enum Reward {
+    FIRST(6, 2_000_000_000, "6개 일치 (2,000,000,000원) - "),
+    SECOND(5, 30_000_000, "5개 일치, 보너스 볼 일치 (30,000,000원) - "),
+    THIRD(5, 1_500_000, "5개 일치 (1,500,000원) - "),
+    FOURTH(4, 50_000, "4개 일치 (50,000원) - "),
+    FIVETH(3, 5_000, "3개 일치 (5,000원) - "),
+    MISS(0, 0, "");
+
+
+    private int count;
+    private int reward;
+    private String message;
+
+    Reward(int count, int reward, String message) {
+        this.count = count;
+        this.reward = reward;
+        this.message = message;
+    }
+
+    public int getReward() {
+        return reward;
+    }
+
+    public static Reward valueResult(int count, boolean bonusMatch) {
+        if (count < FixNum.WINNING_MIN_COUNT.get()) {
+            return MISS;
+        }
+
+        if (SECOND.count == count && bonusMatch) {
+            return SECOND;
+        }
+
+        for (Reward reward : values()) {
+            if (reward.count == count && reward != SECOND) {
+                return reward;
+            }
+        }
+
+        throw new IllegalArgumentException(FixString.ERROR.get());
+    }
+
+    public void printMessage(int count) {
+        if (this != MISS) {
+            Print.resultMessage(message, count);
+        }
+    }
+}
+

src/main/java/Model/Lotto.java

@@ -0,0 +1,64 @@
+package Model;
+
+import Enum.FixNum;
+import View.Print;
+
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+public class Lotto {
+    private final List<Integer> numbers;
+
+    public Lotto(List<Integer> numbers) {
+        validate(numbers);
+        validateOver(numbers);
+        rangeValue(numbers);
+        Collections.sort(numbers);
+        this.numbers = numbers;
+    }
+
+    private void validate(List<Integer> numbers) {
+        if (numbers.size() != 6) {
+            throw new IllegalArgumentException();
+        }
+    }
+
+    public List<Integer> getNumbers() {
+        return numbers;
+    }
+
+    private void validateOver(List<Integer> numbers) {
+        Set<Integer> overCheck = new HashSet<>();
+        for (int i = 0; i < numbers.size(); i++) {
+            overCheck.add(numbers.get(i));
+        }
+
+        if (overCheck.size() != FixNum.LIST_SIZE.get()) {
+            Print.error();
+            throw new IllegalArgumentException();
+        }
+    }
+
+    public int countMatch(Lotto winningNum) {
+        return (int) numbers.stream().
+                filter(winningNum::containNumber).
+                count();
+    }
+
+    public boolean containNumber(int number) {
+        return numbers.contains(number);
+    }
+
+    private void rangeValue(List<Integer> numbers) {
+        for (int i = 0; i < numbers.size(); i++) {
+            if (!(FixNum.MIN_NUM.get() <= numbers.get(i) && numbers.get(i) <= FixNum.MAX_NUM.get())) {
+                Print.error();
+                throw new IllegalArgumentException();
+            }
+        }
+    }
+
+    // TODO: 추가 기능 구현
+}

src/main/java/Model/Money.java

@@ -0,0 +1,46 @@
+package Model;
+
+import Enum.FixNum;
+import View.Print;
+
+public class Money {
+    private int money;
+
+    public Money(String money) {
+        int moneyMum = validateNm(money);
+        validateMoney(moneyMum);
+        this.money = moneyMum;
+    }
+
+    public int quantity() {
+        return money / FixNum.MIN_MONEY.get();
+    }
+
+    private void validateMoney(int money) {
+        isvalidateNum(money);
+        validateDivide(money);
+    }
+
+    private static int validateNm(String money) {
+        try {
+            return Integer.parseInt(money);
+        } catch (NumberFormatException e) {
+            Print.error();
+            throw new IllegalArgumentException();
+        }
+    }
+
+    private void isvalidateNum(int money) {
+        if (money <= 0) {
+            Print.error();
+            throw new IllegalArgumentException();
+        }
+    }
+
+    private void validateDivide(int money) {
+        if (money % FixNum.MIN_MONEY.get() != 0) {
+            Print.error();
+            throw new IllegalArgumentException();
+        }
+    }
+}

src/main/java/Model/WinningNum.java

@@ -0,0 +1,56 @@
+package Model;
+
+import Enum.FixNum;
+import Enum.Reward;
+import View.Print;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+public class WinningNum {
+    private Lotto winningNum;
+    private int bonusNum;
+
+    public WinningNum(String winningLotto, String inputBonusNum) {
+        this.winningNum = new Lotto(makeWinningNum(winningLotto));
+        this.bonusNum = validateDuplicate(winningNum, inputBonusNum);
+    }
+
+    public Reward match(Lotto randomNums) {
+        int count = randomNums.countMatch(winningNum);
+        boolean bonusCheck = randomNums.containNumber(bonusNum);
+        return Reward.valueResult(count, bonusCheck);
+    }
+
+    private List<Integer> makeWinningNum(String winningLotto) {
+        List<Integer> winLotto = new ArrayList<>();
+        try {
+            String[] temp = winningLotto.split(",");
+            for (String s : temp) {
+                winLotto.add(Integer.parseInt(s));
+            }
+        } catch (NumberFormatException e) {
+            Print.error();
+            throw new IllegalArgumentException();
+        }
+        return winLotto;
+    }
+
+    private int validateDuplicate(Lotto winningLotto, String inputBonusNum) {
+        Set<Integer> duplicateCheck = new HashSet<>(winningLotto.getNumbers());
+        try {
+            duplicateCheck.add(Integer.parseInt(inputBonusNum));
+
+            if (duplicateCheck.size() != FixNum.PLUS_BONUS_NUM_SIZE.get()) {
+                Print.error();
+                throw new IllegalArgumentException();
+            }
+        } catch (IllegalArgumentException e) {
+            Print.error();
+            throw new IllegalArgumentException();
+        }
+        return Integer.parseInt(inputBonusNum);
+    }
+}

src/main/java/View/Input.java

@@ -0,0 +1,27 @@
+package View;
+
+import camp.nextstep.edu.missionutils.Console;
+
+public class Input {
+
+    public static String inputMoney() {
+        return Console.readLine();
+    }
+
+    public static String inputWinLottoNum() {
+        String winingNum = Console.readLine();
+        isvalidateInput(winingNum);
+        return winingNum;
+    }
+
+    public static String inputBonusNum() {
+        return Console.readLine();
+    }
+
+    private static void isvalidateInput(String winingNum) {
+        if (winingNum.contains("\"") || winingNum.contains(",,")) {
+            Print.error();
+            throw new IllegalArgumentException();
+        }
+    }
+}

src/main/java/View/Print.java

@@ -0,0 +1,39 @@
+package View;
+
+import Enum.FixString;
+
+public class Print {
+
+    public static void start() {
+        System.out.println(FixString.START.get());
+    }
+
+    public static void error() {
+        System.out.println(FixString.ERROR.get());
+    }
+
+    public static void buyLotto(int quntity) {
+        System.out.println(quntity + FixString.BUY_LOTTO.get());
+    }
+
+    public static void userLotto() {
+        System.out.println(FixString.USER_LOTTO.get());
+    }
+
+    public static void bonusNum() {
+        System.out.println(FixString.BONUS_NUM.get());
+    }
+
+    public static void result() {
+        System.out.println(FixString.RESULT.get());
+        System.out.println("---");
+    }
+
+    public static void resultMessage(String message, int count) {
+        System.out.println(message + count + "개");
+    }
+
+    public static void printRevenueRate(double EarningRate) {
+        System.out.println("총 수익률은 " + String.format("%.1f", EarningRate) + "%입니다.");
+    }
+}