Files
event-demo/src/main/kotlin/eventDemo/business/entity/PlayersHands.kt

51 lines
1.2 KiB
Kotlin

package eventDemo.business.entity
import kotlinx.serialization.Serializable
@Serializable
@JvmInline
value class PlayersHands(
private val map: Map<Player.PlayerId, List<Card>> = emptyMap(),
) : Map<Player.PlayerId, List<Card>> by map {
constructor(players: Set<Player>) :
this(players.map { it.id }.associateWith { emptyList<Card>() }.toPlayersHands())
fun getHand(player: Player): List<Card>? =
this[player.id]
fun removeCard(
player: Player,
card: Card,
): PlayersHands =
mapValues { (playerId, cards) ->
if (playerId == player.id) {
if (!cards.contains(card)) error("The hand no contain the card")
cards - card
} else {
cards
}
}.toPlayersHands()
fun addCard(
player: Player,
newCard: Card,
): PlayersHands =
addCards(player, listOf(newCard))
fun addCards(
player: Player,
newCards: List<Card>,
): PlayersHands =
mapValues { (p, cards) ->
if (p == player.id) {
if (cards.intersect(newCards).isNotEmpty()) error("The hand already contain the card")
cards + newCards
} else {
cards
}
}.toPlayersHands()
}
fun Map<Player.PlayerId, List<Card>>.toPlayersHands(): PlayersHands =
PlayersHands(this)