step 4 로또 (수동)

src/main/java/lotto/Application.java

@@ -1,5 +1,11 @@
 package lotto;
 
+import lotto.application.LottoMachine;
+import lotto.domain.generator.ShuffleNumberGenerator;
+import lotto.ui.InputView;
+import lotto.ui.LottoController;
+import lotto.ui.ResultView;
+
 public class Application {
     public static void main(String[] args) {
         LottoMachine machine = new LottoMachine(new ShuffleNumberGenerator());

src/main/java/lotto/application/LottoMachine.java

@@ -0,0 +1,41 @@
+package lotto.application;
+
+import java.util.List;
+import lotto.domain.generator.AutoLottosGenerator;
+import lotto.domain.Lotto;
+import lotto.domain.generator.CompositeLottosGenerator;
+import lotto.domain.generator.LottoNumberGenerator;
+import lotto.domain.Lottos;
+import lotto.domain.generator.LottosGenerator;
+import lotto.domain.generator.ManualLottosGenerator;
+import lotto.domain.generator.MixedLottosGenerator;
+import lotto.domain.Money;
+
+public class LottoMachine {
+    private final LottoNumberGenerator numberGenerator;
+
+    public LottoMachine(LottoNumberGenerator numberGenerator) {
+        this.numberGenerator = numberGenerator;
+    }
+
+    public Lottos issue(Money money) {
+        LottosGenerator auto = new AutoLottosGenerator(money.ticketCount(), numberGenerator);
+        return auto.generate();    }
+
+
+    public Lottos issue(Money money, List<Lotto> manualLottos) {
+        int totalCount = money.ticketCount();
+        int manualCount = manualLottos.size();
+
+        if (manualCount > totalCount) {
+            throw new IllegalArgumentException("수동 로또 개수는 전체 구매 개수보다 클 수 없습니다.");
+        }
+
+        int autoCount = totalCount - manualCount;
+
+        LottosGenerator manual = new ManualLottosGenerator(manualLottos);
+        LottosGenerator auto = new AutoLottosGenerator(autoCount, numberGenerator);
+
+        return CompositeLottosGenerator.of(manual, auto).generate();
+    }
+}

src/main/java/lotto/Lotto.java → src/main/java/lotto/domain/Lotto.java

@@ -1,6 +1,5 @@
-package lotto;
+package lotto.domain;
 
-import java.util.Arrays;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;

src/main/java/lotto/domain/LottoFactory.java

@@ -0,0 +1,14 @@
+package lotto.domain;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class LottoFactory {
+    public Lottos create(List<List<Integer>> numbers) {
+        return new Lottos(
+            numbers.stream()
+                .map(Lotto::new)
+                .collect(Collectors.toList())
+        );
+    }
+}

src/main/java/lotto/LottoNumber.java → src/main/java/lotto/domain/LottoNumber.java

@@ -1,7 +1,6 @@
-package lotto;
+package lotto.domain;
 
 import java.util.Map;
-import java.util.Objects;
 import java.util.concurrent.ConcurrentHashMap;
 
 public class LottoNumber {

src/main/java/lotto/Lottos.java → src/main/java/lotto/domain/Lottos.java

@@ -1,8 +1,7 @@
-package lotto;
+package lotto.domain;
 
-import java.util.HashSet;
+import java.util.ArrayList;
 import java.util.List;
-import java.util.Set;
 
 public class Lottos {
     private final List<Lotto> values;
@@ -18,4 +17,10 @@ public List<Lotto> values() {
     public int size() {
         return values.size();
     }
+
+    public Lottos merge(Lottos other) {
+        List<Lotto> merged = new ArrayList<>(this.values);
+        merged.addAll(other.values);
+        return new Lottos(merged);
+    }
 }

src/main/java/lotto/MatchResult.java → src/main/java/lotto/domain/MatchResult.java

@@ -1,4 +1,4 @@
-package lotto;
+package lotto.domain;
 
 public class MatchResult {
     private final int matchCount;

src/main/java/lotto/Money.java → src/main/java/lotto/domain/Money.java

@@ -1,4 +1,4 @@
-package lotto;
+package lotto.domain;
 
 public class Money {
     private static final int UNIT_PRICE = 1_000;
@@ -14,14 +14,14 @@ public static Money of(int amount) {
         return new Money(amount);
     }
 
-    public int ticketCount() {
-        return amount / UNIT_PRICE;
-    }
-
     public int amount() {
         return amount;
     }
 
+    public int ticketCount() {
+        return amount / UNIT_PRICE;
+    }
+
     private void validateAmount(int amount) {
         if (amount <= 0) {
             throw new IllegalArgumentException("구입 금액은 0보다 커야 한다.");

src/main/java/lotto/Rank.java → src/main/java/lotto/domain/Rank.java

@@ -1,8 +1,6 @@
-package lotto;
+package lotto.domain;
 
 
-import lotto.MatchResult;
-
 public enum Rank {
     FIRST(6, false, 2_000_000_000, "6개 일치", 5),
     SECOND(5, true, 30_000_000, "5개 일치, 보너스 볼 일치", 4),
@@ -50,5 +48,4 @@ public int displayOrder() {
 
     public static Rank[] winningRanks() {
         return new Rank[]{FIFTH, FOURTH, THIRD, SECOND, FIRST};
-    }
-}
+    }}

src/main/java/lotto/WinningNumbers.java → src/main/java/lotto/domain/WinningNumbers.java

@@ -1,8 +1,6 @@
-package lotto;
+package lotto.domain;
 
 
-import lotto.MatchResult;
-
 public class WinningNumbers {
     private final Lotto winning;
     private final LottoNumber bonus;

src/main/java/lotto/WinningStatistics.java → src/main/java/lotto/domain/WinningStatistics.java

@@ -1,4 +1,4 @@
-package lotto;
+package lotto.domain;
 
 import java.util.EnumMap;
 import java.util.Map;
@@ -22,7 +22,10 @@ public long totalPrize() {
         return sum;
     }
 
-    public double profitRate(Money purchase) {
-        return (double) totalPrize() / purchase.amount();
+    public double profitRate(Money money) {
+        if (money.amount() == 0) {
+            return 0.0;
+        }
+        return (totalPrize() * 100.0) / money.amount();
     }
 }

src/main/java/lotto/domain/generator/AutoLottosGenerator.java

@@ -0,0 +1,28 @@
+package lotto.domain.generator;
+
+import java.util.ArrayList;
+import java.util.List;
+import lotto.domain.Lotto;
+import lotto.domain.Lottos;
+
+public class AutoLottosGenerator  implements LottosGenerator {
+    private final int count;
+    private final LottoNumberGenerator numberGenerator;
+
+    public AutoLottosGenerator(int count, LottoNumberGenerator numberGenerator) {
+        if (count < 0) {
+            throw new IllegalArgumentException("자동 로또 개수는 0 이상이어야 합니다.");
+        }
+        this.count = count;
+        this.numberGenerator = numberGenerator;
+    }
+
+    @Override
+    public Lottos generate() {
+        List<Lotto> lottos = new ArrayList<>();
+        for (int i = 0; i < count; i++) {
+            lottos.add(new Lotto(numberGenerator.generate()));
+        }
+        return new Lottos(lottos);
+    }
+}

src/main/java/lotto/domain/generator/CompositeLottosGenerator.java

@@ -0,0 +1,31 @@
+package lotto.domain.generator;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import lotto.domain.Lotto;
+import lotto.domain.Lottos;
+
+public class CompositeLottosGenerator implements LottosGenerator {
+    private final List<LottosGenerator> children;
+
+    public CompositeLottosGenerator(List<LottosGenerator> children) {
+        if (children == null || children.isEmpty()) {
+            throw new IllegalArgumentException("children must not be empty");
+        }
+        this.children = List.copyOf(children);
+    }
+
+    public static CompositeLottosGenerator of(LottosGenerator... children) {
+        return new CompositeLottosGenerator(Arrays.asList(children));
+    }
+
+    @Override
+    public Lottos generate() {
+        List<Lotto> merged = new ArrayList<>();
+        for (LottosGenerator child : children) {
+            merged.addAll(child.generate().values()); // Lottos.values() 필요
+        }
+        return new Lottos(merged);
+    }
+}

src/main/java/lotto/LottoNumberGenerator.java → src/main/java/lotto/domain/generator/LottoNumberGenerator.java

@@ -1,4 +1,4 @@
-package lotto;
+package lotto.domain.generator;
 
 import java.util.List;
 

src/main/java/lotto/domain/generator/LottosGenerator.java

@@ -0,0 +1,7 @@
+package lotto.domain.generator;
+
+import lotto.domain.Lottos;
+
+public interface LottosGenerator {
+    Lottos generate();
+}