DCGO/Assets/CardEffect/BT18/Yellow/Wanyamon_BT18_003.cs

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;

namespace DCGO.CardEffects
{
    public class Wanyamon_BT18_003 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
            {
                List<ICardEffect> cardEffects = new List<ICardEffect>();
        
                if (timing == EffectTiming.OnAllyAttack)
                {
                    ActivateClass activateClass = new ActivateClass();
                    activateClass.SetUpICardEffect("DP -2000 when yellow tamer in play", CanUseCondition, card);
                    activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                    activateClass.SetIsInheritedEffect(true);
                    cardEffects.Add(activateClass);
        
                    string EffectDiscription()
                    {
                        return "[When Attacking] If you have a yellow Tamer, 1 of your opponent's Digimon gets -2000 DP for the turn.";
                    }
        
                    bool CanSelectPermanentCondition(Permanent permanent)
                    {
                        return CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card);
                    }
        
                    bool CanUseCondition(Hashtable hashtable)
                    {
                        return CardEffectCommons.CanTriggerOnAttack(hashtable, card);
                    }
        
                    bool CanActivateCondition(Hashtable hashtable)
                    {
                        if (CardEffectCommons.IsExistOnBattleArea(card))
                        {
                            if (CardEffectCommons.HasMatchConditionPermanent(CanSelectPermanentCondition))
                            {
                                if (card.Owner.GetBattleAreaPermanents().Count(
                                        (permanent) => permanent.TopCard.CardColors.Contains(CardColor.Yellow) && permanent.IsTamer) >= 1)
                                    return true;
                            }
                        }
        
                        return false;
                    }
        
                    IEnumerator ActivateCoroutine(Hashtable _hashtable)
                    {
                        int maxCount = Math.Min(1, CardEffectCommons.MatchConditionPermanentCount(CanSelectPermanentCondition));
        
                        SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();
        
                        selectPermanentEffect.SetUp(
                            selectPlayer: card.Owner,
                            canTargetCondition: CanSelectPermanentCondition,
                            canTargetCondition_ByPreSelecetedList: null,
                            canEndSelectCondition: null,
                            maxCount: maxCount,
                            canNoSelect: false,
                            canEndNotMax: false,
                            selectPermanentCoroutine: SelectPermanentCoroutine,
                            afterSelectPermanentCoroutine: null,
                            mode: SelectPermanentEffect.Mode.Custom,
                            cardEffect: activateClass);
        
                        selectPermanentEffect.SetUpCustomMessage("Select 1 Digimon that will get DP -2000.", 
                            "The opponent is selecting 1 Digimon that will get DP -2000.");
        
                        yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());
        
                        IEnumerator SelectPermanentCoroutine(Permanent permanent)
                        {
                            yield return ContinuousController.instance.StartCoroutine(
                                CardEffectCommons.ChangeDigimonDP(targetPermanent: permanent, changeValue: -2000, 
                                    effectDuration: EffectDuration.UntilEachTurnEnd, activateClass: activateClass));
                        }
                    }
                }
        
                return cardEffects;
            }
    }
}