refactoring: Masive refactor to build the V2

src/main/kotlin/eventDemo/contexts/game/domain/events/GameStartedEvent.kt

@@ -0,0 +1,32 @@
+package eventDemo.contexts.game.domain.events
+
+import eventDemo.contexts.game.domain.game.DiscardPile
+import eventDemo.contexts.game.domain.game.DrawPile
+import eventDemo.contexts.game.domain.game.GameId
+import eventDemo.contexts.game.domain.game.Player
+import eventDemo.contexts.game.domain.game.PlayerHand
+import eventDemo.contexts.game.infrastructure.persistence.serializers.EventIdSerializer
+import eventDemo.contexts.game.infrastructure.persistence.serializers.PlayerIdSerializer
+import eventDemo.libs.eventSource.EventId
+import kotlinx.datetime.Clock
+import kotlinx.datetime.Instant
+import kotlinx.serialization.Serializable
+import java.util.UUID
+
+/**
+ * This [GameEvent] is sent when all players are ready.
+ */
+@Serializable
+data class GameStartedEvent(
+  override val aggregateId: GameId,
+  @Serializable(with = PlayerIdSerializer::class)
+  val firstPlayer: Player.PlayerId,
+  val playersHans: Map<Player.PlayerId, PlayerHand>,
+  val drawPile: DrawPile,
+  val discardPile: DiscardPile,
+  override val version: Int,
+) : GameEvent {
+  @Serializable(with = EventIdSerializer::class)
+  override val eventId: EventId = EventId(UUID.randomUUID())
+  override val createdAt: Instant = Clock.System.now()
+}