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

// Witchmon
namespace DCGO.CardEffects.BT25
{
    public class BT25_080 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Alternative Digivolve Condition
            if (timing == EffectTiming.None)
            {
                static bool PermanentCondition(Permanent targetPermanent)
                {
                    return targetPermanent.TopCard.HasTSTraits;
                }

                cardEffects.Add(CardEffectFactory.AddSelfDigivolutionRequirementStaticEffect(PermanentCondition, 2, false, card, null, level: 3));
            }
            #endregion

            #region Shared OP/WA
            string SharedEffectName = "May trash 1 card to return 1 [Titan] card, then if played by effect, delete 1 enemy level 5 or lower Digimon";
            string SharedEffectDescription(string tag) => $"[{tag}] [Once Per Turn] By trashing 1 card in your hand, you may return 1 [Titan] trait card from your trash to the hand. After, if played by an effect, delete 1 of your opponent's level 5 or lower Digimon.";
            string SharedHashValue = "BT25_080_OP_WA";

            CardEffectFactory.ActivateClassesForSharedEffects
                (ref cardEffects, timing, card,
                    SharedEffectName,
                    SharedActivateCoroutine,
                    SharedEffectDescription,
                    maxCountPerTurn: 1,
                    hashValue: SharedHashValue,
                    optional: false,
                    isSkippable: true,
                    onPlay: true,
                    whenAttacking: true);

            IEnumerator SharedActivateCoroutine(Hashtable hashtable, ActivateClass activateClass)
            {
                SelectHandEffect selectHandEffect = GManager.instance.GetComponent<SelectHandEffect>();

                selectHandEffect.SetUp(
                    selectPlayer: card.Owner,
                    canTargetCondition: (cardSource) => true,
                    canTargetCondition_ByPreSelecetedList: null,
                    canEndSelectCondition: null,
                    maxCount: 1,
                    canNoSelect: true,
                    canEndNotMax: false,
                    isShowOpponent: true,
                    selectCardCoroutine: null,
                    afterSelectCardCoroutine: AfterSelectCardCoroutine,
                    mode: SelectHandEffect.Mode.Discard,
                    cardEffect: activateClass);

                yield return StartCoroutine(selectHandEffect.Activate());

                IEnumerator AfterSelectCardCoroutine(List<CardSource> cardSources)
                {
                    if (cardSources.Count >= 1)
                    {
                        bool CanSelectCardCondition(CardSource cardSource)
                        {
                            return cardSource.EqualsTraits("Titan");
                        }

                        bool CanSelectPermanentCondition(Permanent permanent)
                        {
                            return CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card)
                                && permanent.TopCard.HasLevel
                                && permanent.Level <= 5;
                        }

                        if (CardEffectCommons.HasMatchConditionOwnersCardInTrash(card, CanSelectCardCondition))
                        {
                            SelectCardEffect selectCardEffect = GManager.instance.GetComponent<SelectCardEffect>();

                            selectCardEffect.SetUp(
                                canTargetCondition: CanSelectCardCondition,
                                canTargetCondition_ByPreSelecetedList: null,
                                canEndSelectCondition: null,
                                canNoSelect: () => true,
                                selectCardCoroutine: null,
                                afterSelectCardCoroutine: null,
                                message: "Select 1 card to add to your hand.",
                                maxCount: 1,
                                canEndNotMax: false,
                                isShowOpponent: true,
                                mode: SelectCardEffect.Mode.AddHand,
                                root: SelectCardEffect.Root.Trash,
                                customRootCardList: null,
                                canLookReverseCard: true,
                                selectPlayer: card.Owner,
                                cardEffect: activateClass);

                            yield return ContinuousController.instance.StartCoroutine(selectCardEffect.Activate());
                        }

                        if (CardEffectCommons.IsByEffect(hashtable, null)
                        && CardEffectCommons.CanTriggerOnPlay(hashtable, card)
                        && CardEffectCommons.HasMatchConditionPermanent(CanSelectPermanentCondition))
                        {
                            SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();

                            selectPermanentEffect.SetUp(
                                selectPlayer: card.Owner,
                                canTargetCondition: CanSelectPermanentCondition,
                                canTargetCondition_ByPreSelecetedList: null,
                                canEndSelectCondition: null,
                                maxCount: 1,
                                canNoSelect: false,
                                canEndNotMax: false,
                                selectPermanentCoroutine: null,
                                afterSelectPermanentCoroutine: null,
                                mode: SelectPermanentEffect.Mode.Destroy,
                                cardEffect: activateClass);

                            yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());
                        }
                    }
                    else activateClass.RemoveUse();
                }

            }
            #endregion

            #region ESS

            if (timing == EffectTiming.OnDiscardHand)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Delete 1 enemy level 4 or lower Digimon", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, false, EffectDescription());
                activateClass.SetIsInheritedEffect(true);
                activateClass.SetHashString("BT25_029_AT_ESS");
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return "[All Turns] [Once Per Turn] When your hand is trashed from, if this Digimon has the [Titan] trait, delete 1 of your opponent's level 4 or lower Digimon.";
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleAreaDigimon(card)
                        && CardEffectCommons.CanTriggerOnTrashHand(hashtable, null, cardSource => cardSource.Owner == card.Owner);
                }

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

                bool CanSelectPermanentCondition(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card)
                        && permanent.TopCard.HasLevel
                        && permanent.Level <= 4;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    if (CardEffectCommons.HasMatchConditionOpponentsPermanent(card, CanSelectPermanentCondition) && card.PermanentOfThisCard().TopCard.EqualsTraits("Titan"))
                    {
                        SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();

                        selectPermanentEffect.SetUp(
                            selectPlayer: card.Owner,
                            canTargetCondition: CanSelectPermanentCondition,
                            canTargetCondition_ByPreSelecetedList: null,
                            canEndSelectCondition: null,
                            maxCount: 1,
                            canNoSelect: false,
                            canEndNotMax: false,
                            selectPermanentCoroutine: null,
                            afterSelectPermanentCoroutine: null,
                            mode: SelectPermanentEffect.Mode.Destroy,
                            cardEffect: activateClass);

                        yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());
                    }
                }
            }
            #endregion

            return cardEffects;
        }
    }
}