feat: 초기 카드 배분을 구현한다.

- 두 장씩 배분했는지 확인하는 테스트 작성
- 게임 시작하며 카드 풀을 먼저 생성하고 두 장씩의 카드를 배분하도록 구현
- 린트 포맷팅

Author: bsgreentea

src/main/kotlin/blackjack/controller/BlackJackGame.kt

@@ -1,12 +1,53 @@
 package blackjack.controller
 
+import blackjack.model.Card
+import blackjack.model.CardInfo
+import blackjack.model.CardType
+import blackjack.model.Participant
 import blackjack.ui.InputView
 import blackjack.ui.ResultView
 
-class BlackJackGame {
+class BlackJackGame(
+    val participants: List<Participant>,
+) {
+
+    private val cardsPool = mutableSetOf<Card>()
+
+    init {
+        makeCardsPool()
+    }
+
+    private fun makeCardsPool() {
+        CardType.values().forEach { type ->
+            CardInfo.values().forEach { cardInfo ->
+                cardsPool.add(Card(type, cardInfo))
+            }
+        }
+    }
+
+    fun allocateDefaultCards() {
+        participants.forEach {
+            it.cards.addAll(pickRandomCards(DEFAULT_CARD_COUNTS))
+        }
+    }
+
+    private fun pickRandomCards(count: Int): List<Card> {
+        val pickedCards = cardsPool.shuffled().take(count)
+        pickedCards.forEach { pickedCard ->
+            cardsPool.remove(pickedCard)
+        }
+        return pickedCards
+    }
+
+    companion object {
+        const val DEFAULT_CARD_COUNTS = 2
+    }
 }
 
 fun main() {
     val participants = InputView.registerParticipants()
+
+    val blackJackGame = BlackJackGame(participants)
+
     ResultView.showInitialStatusOfParticipants(participants)
-}
+}

src/main/kotlin/blackjack/model/Card.kt

@@ -1,5 +1,6 @@
 package blackjack.model
 
 data class Card(
-    val name: String,
+    val type: CardType,
+    val value: CardInfo,
 )

src/main/kotlin/blackjack/model/CardInfo.kt

@@ -0,0 +1,21 @@
+package blackjack.model
+
+enum class CardInfo(
+    val displayName: String,
+    val value1: Int,
+    val value2: Int = value1,
+) {
+    Ace("ace", 1, 10),
+    One("1", 1),
+    Two("2", 2),
+    Three("3", 3),
+    Four("4", 4),
+    Five("5", 5),
+    Six("6", 6),
+    Seven("7", 7),
+    Eight("8", 8),
+    Nine("9", 9),
+    King("King", 10),
+    Queen("Queen", 10),
+    Jack("Jack", 10),
+}

src/main/kotlin/blackjack/model/CardType.kt

@@ -0,0 +1,9 @@
+package blackjack.model
+
+enum class CardType {
+    Diamond,
+    Spade,
+    Heart,
+    Clover,
+    ;
+}

src/main/kotlin/blackjack/model/Participant.kt

@@ -2,5 +2,5 @@ package blackjack.model
 
 data class Participant(
     val name: String,
-    val cards: List<Card>? = null,
+    val cards: MutableList<Card> = mutableListOf(),
 )

src/main/kotlin/blackjack/ui/InputView.kt

@@ -25,5 +25,4 @@ object InputView {
             }
         } ?: throw IllegalArgumentException("카드 받기 여부는 null을 허용하지 않습니다.")
     }
-
-}
+}

src/main/kotlin/blackjack/ui/ResultView.kt

@@ -11,4 +11,4 @@ object ResultView {
         }
         println("에게 2장의 카드를 나눠주었습니다.")
     }
-}
+}

src/test/kotlin/DslTest.kt

@@ -34,7 +34,6 @@ class DslTest {
             )
         }
     }
-
 }
 
 fun introduce(block: PersonBuilder.() -> Unit): Person {
@@ -100,4 +99,4 @@ data class Person(
 sealed interface Skill {
     data class SoftSkill(val name: String) : Skill
     data class HardSkill(val name: String) : Skill
-}
+}

src/test/kotlin/blackjack/controller/BlackJackGameTest.kt

@@ -0,0 +1,28 @@
+package blackjack.controller
+
+import blackjack.controller.BlackJackGame.Companion.DEFAULT_CARD_COUNTS
+import blackjack.model.Participant
+import io.kotest.matchers.shouldBe
+import org.junit.jupiter.api.Test
+
+class BlackJackGameTest {
+
+    @Test
+    fun checkDefaultAllocatedCards() {
+        val blackJackGame = BlackJackGame(participants)
+        blackJackGame.allocateDefaultCards()
+
+        blackJackGame.participants.forEach {
+            it.cards.size shouldBe DEFAULT_CARD_COUNTS
+        }
+    }
+
+    companion object {
+        private val participants = listOf(
+            Participant("Liam"),
+            Participant("Noel"),
+            Participant("Gem"),
+            Participant("Andy"),
+        )
+    }
+}