DCGO/Assets/CardEffect/BT21/Red/BT21_001.cs

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

//Gigimon
namespace DCGO.CardEffects.BT21
{
    public class BT21_001 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Your Turn - ESS

            if (timing == EffectTiming.OnLoseSecurity)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Digivolve a digimon", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, true, EffectDescription());
                activateClass.SetIsInheritedEffect(true);
                activateClass.SetHashString("Digivolve_BT21_001");
                cardEffects.Add(activateClass);

                string EffectDescription()
                    => "[Your Turn] [Once Per Turn] When your opponent's security stack is removed from, 1 of your Digimon may digivolve into a Digimon card with the [Reptile]/[Dragonkin] trait in the hand with the digivolution cost reduced by 1.";

                bool CanUseCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleAreaDigimon(card))
                    {
                        if (CardEffectCommons.IsOwnerTurn(card))
                        {
                            if (CardEffectCommons.CanTriggerWhenLoseSecurity(hashtable, player => player == card.Owner.Enemy))
                            {
                                return true;
                            }
                        }
                    }
                    return false;
                }

                bool CanSelectDigivolvePermanent(Permanent permanent)
                {
                    if (CardEffectCommons.IsPermanentExistsOnOwnerBattleAreaDigimon(permanent, card))
                    {
                        return card.Owner.HandCards.Any(source => 
                               CanSelectCardCondition(source) &&
                               source.CanPlayCardTargetFrame(permanent.PermanentFrame, true, activateClass));
                    }
                    return false;
                }

                bool CanSelectCardCondition(CardSource digivolveTarget)
                {
                    return digivolveTarget.EqualsTraits("Reptile") || digivolveTarget.EqualsTraits("Dragonkin");
                }

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleAreaDigimon(card);
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    Permanent selectedPermanent = null;
                    int maxCount = Math.Min(1, CardEffectCommons.MatchConditionPermanentCount(CanSelectDigivolvePermanent));
                    SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();

                    selectPermanentEffect.SetUp(
                        selectPlayer: card.Owner,
                        canTargetCondition: CanSelectDigivolvePermanent,
                        canTargetCondition_ByPreSelecetedList: null,
                        canEndSelectCondition: null,
                        maxCount: maxCount,
                        canNoSelect: true,
                        canEndNotMax: false,
                        selectPermanentCoroutine: SelectPermanentCoroutine,
                        afterSelectPermanentCoroutine: null,
                        mode: SelectPermanentEffect.Mode.Custom,
                        cardEffect: activateClass);

                    selectPermanentEffect.SetUpCustomMessage("Select 1 digimon to digivolve", "The opponent is selecting 1 digimon to digivolve");
                    yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());

                    IEnumerator SelectPermanentCoroutine(Permanent permanent)
                    {
                        selectedPermanent = permanent;
                        yield return null;
                    }

                    if (selectedPermanent != null)
                    {
                        yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.DigivolveIntoHandOrTrashCard(
                                targetPermanent: selectedPermanent,
                                cardCondition: CanSelectCardCondition,
                                payCost: true,
                                reduceCostTuple: (reduceCost: 1, reduceCostCardCondition: null),
                                fixedCostTuple: null,
                                ignoreDigivolutionRequirementFixedCost: -1,
                                isHand: true,
                                activateClass: activateClass,
                                successProcess: null));
                    }
                }
            }

            #endregion

            return cardEffects;
        }
    }
}