DCGO/Assets/Scripts/CardEffect/BT3/Black/BT3_107.cs

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

public class BT3_107 : CEntity_Effect
{
    public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
    {
        List<ICardEffect> cardEffects = new List<ICardEffect>();

        if (timing == EffectTiming.OptionSkill)
        {
            ActivateClass activateClass = new ActivateClass();
            activateClass.SetUpICardEffect(card.BaseENGCardNameFromEntity, CanUseCondition, card);
            activateClass.SetUpActivateClass(null, ActivateCoroutine, -1, false, EffectDiscription());
            cardEffects.Add(activateClass);

            string EffectDiscription()
            {
                return "[Main] Trigger <De-Digivolve 1> on 1 of your opponent's Digimon. (Trash a card from the top of one of your opponent's Digimon. If it has no digivolution cards, or becomes a level 3 Digimon, you can't trash any more cards.) Then, if that Digimon's play cost is 4 or less, delete it.";
            }

            bool CanSelectPermanentCondition(Permanent permanent)
            {
                return CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card);
            }

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

            IEnumerator ActivateCoroutine(Hashtable _hashtable)
            {
                if (CardEffectCommons.HasMatchConditionPermanent(CanSelectPermanentCondition))
                {
                    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 to De-Digivolve.", "The opponent is selecting 1 Digimon to De-Digivolve.");
                    yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());

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

                        yield return ContinuousController.instance.StartCoroutine(new IDegeneration(selectedPermanent, 1, activateClass).Degeneration());

                        if (selectedPermanent.TopCard != null)
                        {
                            if (selectedPermanent.TopCard.GetCostItself <= 4)
                            {
                                if (selectedPermanent.TopCard.HasPlayCost)
                                {
                                    yield return ContinuousController.instance.StartCoroutine(new DestroyPermanentsClass(new List<Permanent>() { selectedPermanent }, CardEffectCommons.CardEffectHashtable(activateClass)).Destroy());
                                }
                            }
                        }
                    }
                }
            }
        }


        if (timing == EffectTiming.SecuritySkill)
        {
            ActivateClass activateClass = new ActivateClass();
            activateClass.SetUpICardEffect($"Add this card to hand", CanUseCondition, card);
            activateClass.SetUpActivateClass(null, ActivateCoroutine, -1, false, EffectDiscription());
            activateClass.SetIsSecurityEffect(true);
            cardEffects.Add(activateClass);

            string EffectDiscription()
            {
                return "[Security] Add this card to its owner's hand.";
            }
            bool CanUseCondition(Hashtable hashtable)
            {
                return CardEffectCommons.CanTriggerSecurityEffect(hashtable, card);
            }

            IEnumerator ActivateCoroutine(Hashtable _hashtable)
            {
                yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.AddThisCardToHand(card, activateClass));
            }
        }

        return cardEffects;
    }
}