feat: add LottoServiceRound

src/main/kotlin/LottoServiceRound.kt

@@ -0,0 +1,23 @@
+import Money.Companion.toMoney
+
+class LottoServiceRound {
+    private val lottoRound = LottoRound(LottoRoundElements())
+
+    fun buyLottos(payment: Money): List<Lotto> {
+        lottoRound.addNewLottos(payment.buyableCount())
+        return lottoRound.getLottos()
+    }
+
+    fun allPayment(): Money = (lottoRound.getLottos().size * LOTTO_BUY_PRIZE.value).toMoney()
+
+    fun lotteryDraw(numbers: List<Int>): LottoRoundStatistics {
+        val winningLotto = Lotto.of(numbers)
+        return lottoRound.lotteryDraw(winningLotto)
+    }
+
+    private fun Money.buyableCount(): Int = (value / LOTTO_BUY_PRIZE.value).toInt()
+
+    companion object {
+        private val LOTTO_BUY_PRIZE = 1000L.toMoney()
+    }
+}