Uno/shared/src/commonMain/kotlin/com/uno/game/model/Card.kt

package com.uno.game.model

import kotlinx.serialization.Serializable

@Serializable
enum class CardColor {
    RED, GREEN, BLUE, YELLOW;

    val displayName: String
        get() = when (this) {
            RED -> "Rot"
            GREEN -> "Grün"
            BLUE -> "Blau"
            YELLOW -> "Gelb"
        }
}

@Serializable
enum class CardValue(val points: Int) {
    ZERO(0),
    ONE(1), TWO(2), THREE(3), FOUR(4),
    FIVE(5), SIX(6), SEVEN(7), EIGHT(8), NINE(9),
    SKIP(20),
    REVERSE(20),
    DRAW_TWO(20),
    WILD(50),
    WILD_DRAW_FOUR(50);

    val isActionCard: Boolean
        get() = this in listOf(SKIP, REVERSE, DRAW_TWO, WILD, WILD_DRAW_FOUR)

    val isWild: Boolean
        get() = this in listOf(WILD, WILD_DRAW_FOUR)
}

@Serializable
data class Card(
    val color: CardColor?,
    val value: CardValue
) {
    val isWild: Boolean get() = value.isWild
    val isActionCard: Boolean get() = value.isActionCard
    val displayValue: String
        get() = when (value) {
            CardValue.SKIP -> "🚫"
            CardValue.REVERSE -> "↩️"
            CardValue.DRAW_TWO -> "+2"
            CardValue.WILD -> "🌈"
            CardValue.WILD_DRAW_FOUR -> "+4"
            else -> value.ordinal.toString()
        }

    fun canPlayOn(topCard: Card, currentColor: CardColor?): Boolean {
        if (isWild) return true
        if (color == currentColor) return true
        if (value == topCard.value) return true
        return false
    }
}