Hex.java

package com.hearthsim.card.basic.spell;

import com.hearthsim.card.basic.minion.Frog;
import com.hearthsim.card.spellcard.SpellTargetableCard;
import com.hearthsim.event.effect.EffectCharacter;
import com.hearthsim.event.filter.FilterCharacter;
import com.hearthsim.event.filter.FilterCharacterTargetedSpell;

public class Hex extends SpellTargetableCard {

    /**
     * Constructor
     *
     * @param hasBeenUsed Whether the card has already been used or not
     */
    @Deprecated
    public Hex(boolean hasBeenUsed) {
        this();
        this.hasBeenUsed = hasBeenUsed;
    }

    /**
     * Constructor
     *
     * Defaults to hasBeenUsed = false
     */
    public Hex() {
        super();
    }

    @Override
    public FilterCharacter getTargetableFilter() {
        return FilterCharacterTargetedSpell.ALL_MINIONS;
    }

    /**
     *
     * Use the card on the given target
     *
     * Transform a minion into 0/1 frog with Taunt
     *
     * @return The boardState is manipulated and returned
     */
    @Override
    public EffectCharacter getTargetableEffect() {
        if (this.effect == null) {
            this.effect = (targetSide, targetCharacterIndex, boardState) -> {
                Frog frog = new Frog();
                boardState.data_.removeMinion(targetSide, targetCharacterIndex);
                boardState.data_.placeMinion(targetSide, frog, targetCharacterIndex.indexToLeft());
                return boardState;
            };
        }
        return this.effect;
    }
}