DCGO/Assets/Scripts/CardEffect/ST2/Blue/ST2_03.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.Linq;
using Photon;
using System;
using Photon.Pun;

public class ST2_03 : 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("Trash 1 digivolution card", CanUseCondition, card);
            activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
            activateClass.SetIsInheritedEffect(true);
            cardEffects.Add(activateClass);

            string EffectDiscription()
            {
                return "[When Attacking] Trash the digivolution card at the bottom of 1 of your opponent's Digimon with a level of 5 or less.";
            }

            bool CanSelectPermanentCondition(Permanent permanent)
            {
                if (CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card))
                {
                    if (permanent.Level <= 5)
                    {
                        if (permanent.DigivolutionCards.Count((cardSource) => !cardSource.CanNotTrashFromDigivolutionCards(activateClass)) >= 1)
                        {
                            if (permanent.TopCard.HasLevel)
                            {
                                return true;
                            }
                        }
                    }
                }

                return false;
            }

            bool CanUseCondition(Hashtable hashtable)
            {
                return CardEffectCommons.CanTriggerOnAttack(hashtable, card);
            }

            bool CanActivateCondition(Hashtable hashtable)
            {
                if (CardEffectCommons.IsExistOnBattleArea(card))
                {
                    if (CardEffectCommons.HasMatchConditionPermanent(CanSelectPermanentCondition))
                    {
                        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 trash digivolution cards.", "The opponent is selecting 1 Digimon that will trash digivolution cards.");

                yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());

                IEnumerator SelectPermanentCoroutine(Permanent permanent)
                {
                    Permanent selectedPermanent = permanent;

                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.TrashDigivolutionCardsFromTopOrBottom(targetPermanent: selectedPermanent, trashCount: 1, isFromTop: false, activateClass: activateClass));
                }
            }
        }

        return cardEffects;
    }
}