DCGO/Assets/Scripts/CardEffect/ST17/Green/ST17_02.cs

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

namespace DCGO.CardEffects.ST17
{
    public class ST17_02 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Alternate Digivolution Condition
            if (timing == EffectTiming.None)
            {
                bool PermanentCondition(Permanent targetPermanent)
                {
                    return targetPermanent.TopCard.CardNames.Contains("Gummymon");
                }

                cardEffects.Add(CardEffectFactory.AddSelfDigivolutionRequirementStaticEffect(permanentCondition: PermanentCondition, digivolutionCost: 0, ignoreDigivolutionRequirement: false, card: card, condition: null));
            }
            #endregion

            #region Main
            if (timing == EffectTiming.OnDeclaration)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Play 1 Digimon/Tamer from hand", CanUseCondition, card);
                activateClass.SetUpActivateClass(null, ActivateCoroutine, 1, true, EffectDiscription());
                activateClass.SetHashString("PlayReduce_ST17_02");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[Main] [Once Per Turn] You may play 1 green Tamer card or 1 level 3 Digimon card with [Lopmon] in its name from your hand with the play cost reduced by 2.";
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    if (cardSource.IsDigimon)
                    {
                        if (cardSource.Level == 3)
                        {
                            if (cardSource.ContainsCardName("Lopmon"))
                            {
                                return true;
                            }
                        }
                    }

                    if (cardSource.IsTamer)
                    {
                        if (cardSource.HasCardColor(CardColor.Green))
                        {
                            return true;
                        }
                    }

                    return false;
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleArea(card))
                    {
                        if (card.Owner.HandCards.Count(CanSelectCardCondition) >= 1)
                        {
                            return true;
                        }
                    }

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    #region reduce play cost
                    ChangeCostClass changeCostClass = new ChangeCostClass();
                    changeCostClass.SetUpICardEffect($"Play Cost -2", CanUseCondition1, card);
                    changeCostClass.SetUpChangeCostClass(changeCostFunc: ChangeCost, cardSourceCondition: CanSelectCardCondition, rootCondition: RootCondition, isUpDown: isUpDown, isCheckAvailability: () => false, isChangePayingCost: () => true);
                    Func<EffectTiming, ICardEffect> getCardEffect = GetCardEffect;
                    card.Owner.UntilCalculateFixedCostEffect.Add(getCardEffect);

                    ICardEffect GetCardEffect(EffectTiming _timing)
                    {
                        if (_timing == EffectTiming.None)
                        {
                            return changeCostClass;
                        }

                        return null;
                    }

                    bool CanUseCondition1(Hashtable hashtable)
                    {
                        return true;
                    }

                    int ChangeCost(CardSource cardSource, int Cost, SelectCardEffect.Root root, List<Permanent> targetPermanents)
                    {
                        if (CanSelectCardCondition(cardSource))
                        {
                            if (RootCondition(root))
                            {
                                if (PermanentsCondition(targetPermanents))
                                {
                                    Cost -= 2;
                                }
                            }
                        }

                        return Cost;
                    }

                    bool PermanentsCondition(List<Permanent> targetPermanents)
                    {
                        if (targetPermanents == null)
                        {
                            return true;
                        }

                        else
                        {
                            if (targetPermanents.Count((targetPermanent) => targetPermanent != null) == 0)
                            {
                                return true;
                            }
                        }

                        return false;
                    }

                    bool RootCondition(SelectCardEffect.Root root)
                    {
                        return true;
                    }

                    bool isUpDown()
                    {
                        return true;
                    }
                    #endregion

                    if (card.Owner.HandCards.Count(CanSelectCardCondition) >= 1)
                    {
                        List<CardSource> selectedCards = new List<CardSource>();

                        int maxCount = 1;

                        SelectHandEffect selectHandEffect = GManager.instance.GetComponent<SelectHandEffect>();

                        selectHandEffect.SetUp(
                            selectPlayer: card.Owner,
                            canTargetCondition: CanSelectCardCondition,
                            canTargetCondition_ByPreSelecetedList: null,
                            canEndSelectCondition: null,
                            maxCount: maxCount,
                            canNoSelect: true,
                            canEndNotMax: false,
                            isShowOpponent: true,
                            selectCardCoroutine: SelectCardCoroutine,
                            afterSelectCardCoroutine: null,
                            mode: SelectHandEffect.Mode.Custom,
                            cardEffect: activateClass);

                        selectHandEffect.SetUpCustomMessage("Select 1 card to play.", "The opponent is selecting 1 card to play.");
                        selectHandEffect.SetUpCustomMessage_ShowCard("Played Card");

                        yield return StartCoroutine(selectHandEffect.Activate());

                        IEnumerator SelectCardCoroutine(CardSource cardSource)
                        {
                            selectedCards.Add(cardSource);

                            yield return null;
                        }

                        yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.PlayPermanentCards(
                            cardSources: selectedCards,
                            activateClass: activateClass,
                            payCost: true,
                            isTapped: false,
                            root: SelectCardEffect.Root.Hand,
                            activateETB: true));
                    }

                    #region Remove Cost effect after use
                    card.Owner.UntilCalculateFixedCostEffect.Remove(getCardEffect);
                    #endregion
                }
            }
            #endregion

            #region Inherit
            if (timing == EffectTiming.None)
            {
                bool Condition()
                {
                    if (CardEffectCommons.IsExistOnBattleArea(card))
                    {
                        if (card.PermanentOfThisCard().IsSuspended)
                        {
                            return true;
                        }
                    }

                    return false;
                }

                cardEffects.Add(CardEffectFactory.ChangeSelfDPStaticEffect(changeValue: 1000, isInheritedEffect: true, card: card, condition: Condition));
            }
            #endregion

            return cardEffects;
        }
    }
}