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

// SkullGreymon
namespace DCGO.CardEffects.EX9
{
    public class EX9_062 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Alternate Digivolution Requirement

            if (timing == EffectTiming.None)
            {
                static bool PermanentCondition(Permanent targetPermanent)
                {
                    return targetPermanent.TopCard.IsLevel4 &&
                        targetPermanent.TopCard.EqualsTraits("DM");
                }

                cardEffects.Add(CardEffectFactory.AddSelfDigivolutionRequirementStaticEffect(permanentCondition: PermanentCondition, digivolutionCost: 3, ignoreDigivolutionRequirement: false, card: card, condition: null));
            }

            #endregion

            #region Alternative Assembly Level

            if (timing == EffectTiming.None)
            {
                ChangeCardLevelForAssemblyClass changeCardLevelForAssemblyClass = new ChangeCardLevelForAssemblyClass();
                changeCardLevelForAssemblyClass.SetUpICardEffect("This card is also treated as level 4 for [Kimeramon]'s assembly.", CanUseCondition, card);
                changeCardLevelForAssemblyClass.SetUpChangeCardLevelForAssemblyClass(changeCardLevel: changeCardLevel);

                cardEffects.Add(changeCardLevelForAssemblyClass);

                bool CanUseCondition(Hashtable hashtable)
                {
                    return true;
                }

                List<int> changeCardLevel(CardSource cardSource, List<int> Level)
                {
                    if (cardSource == card)
                    {
                        Level.Add(4);
                    }

                    return Level;
                }
            }

            #endregion

            #region On Play

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect($"Trash cards from deck, then return 1 [DM] digimon from trash to hand", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[On Play] For each of this Digimon's face-down digivolution cards, trash the top card of your deck. Then, you may return 1 [DM] trait Digimon card from your trash to the hand.";
                }

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

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

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    return cardSource.IsDigimon && cardSource.EqualsTraits("DM");
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    int trashCount = card.PermanentOfThisCard().DigivolutionCards.Filter(x => x.IsFlipped).Count;
                    if (trashCount >= 1)
                    {
                        IAddTrashCardsFromLibraryTop addTrashCard = new IAddTrashCardsFromLibraryTop(trashCount, card.Owner, activateClass);
                        addTrashCard.SetNotShowCards();
                        yield return ContinuousController.instance.StartCoroutine(addTrashCard.AddTrashCardsFromLibraryTop());
                        ContinuousController.instance.StartCoroutine(GManager.instance.GetComponent<Effects>().ShowCardEffect2(addTrashCard.discardedCards, "Your Discarded Cards", true, true));
                    }

                    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 [DM] digimon to add to hand",
                                    maxCount: 1,
                                    canEndNotMax: true,
                                    isShowOpponent: true,
                                    mode: SelectCardEffect.Mode.AddHand,
                                    root: SelectCardEffect.Root.Trash,
                                    customRootCardList: null,
                                    canLookReverseCard: true,
                                    selectPlayer: card.Owner,
                                    cardEffect: activateClass);

                        selectCardEffect.SetUpCustomMessage("Select 1 [DM] digimon to add to hand", "The opponent is selecting 1 digimon to add to hand.");
                        yield return StartCoroutine(selectCardEffect.Activate());
                    }
                }
            }

            #endregion

            #region When Digivolving

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect($"Trash cards from deck, then return 1 [DM] digimon from trash to hand", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[When Digivolving] For each of this Digimon's face-down digivolution cards, trash the top card of your deck. Then, you may return 1 [DM] trait Digimon card from your trash to the hand.";
                }

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

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

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    return cardSource.IsDigimon && cardSource.EqualsTraits("DM");
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    int trashCount = card.PermanentOfThisCard().DigivolutionCards.Filter(x => x.IsFlipped).Count;
                    if (trashCount >= 1)
                    {
                        IAddTrashCardsFromLibraryTop addTrashCard = new IAddTrashCardsFromLibraryTop(trashCount, card.Owner, activateClass);
                        addTrashCard.SetNotShowCards();
                        yield return ContinuousController.instance.StartCoroutine(addTrashCard.AddTrashCardsFromLibraryTop());
                        ContinuousController.instance.StartCoroutine(GManager.instance.GetComponent<Effects>().ShowCardEffect2(addTrashCard.discardedCards, "Your Discarded Cards", true, true));
                    }

                    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 [DM] digimon to add to hand",
                                    maxCount: 1,
                                    canEndNotMax: true,
                                    isShowOpponent: true,
                                    mode: SelectCardEffect.Mode.AddHand,
                                    root: SelectCardEffect.Root.Trash,
                                    customRootCardList: null,
                                    canLookReverseCard: true,
                                    selectPlayer: card.Owner,
                                    cardEffect: activateClass);

                        selectCardEffect.SetUpCustomMessage("Select 1 [DM] digimon to add to hand", "The opponent is selecting 1 digimon to add to hand.");
                        yield return StartCoroutine(selectCardEffect.Activate());
                    }
                }
            }

            #endregion

            #region On Deletion

            if (timing == EffectTiming.OnDestroyedAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Play 1 level 4 or less [DM] Digimon", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, true, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[On Deletion] you may play 1 level 4 or lower [DM] trait Digimon card from your trash without paying the cost.";
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.CanActivateOnDeletion(card, activateClass);
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    if (cardSource.IsDigimon && cardSource.Level <= 4 && cardSource.EqualsTraits("DM"))
                    {
                        if (CardEffectCommons.CanPlayAsNewPermanent(cardSource: cardSource, payCost: false, cardEffect: activateClass))
                        {
                            return true;
                        }
                    }

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    if (CardEffectCommons.HasMatchConditionOwnersCardInTrash(card, CanSelectCardCondition))
                    {
                        CardSource selectedCard = null;
                        int maxCount = Math.Min(1, CardEffectCommons.MatchConditionOwnersCardCountInTrash(card, CanSelectCardCondition));
                        SelectCardEffect selectCardEffect = GManager.instance.GetComponent<SelectCardEffect>();

                        selectCardEffect.SetUp(
                                    canTargetCondition: CanSelectCardCondition,
                                    canTargetCondition_ByPreSelecetedList: null,
                                    canEndSelectCondition: null,
                                    canNoSelect: () => true,
                                    selectCardCoroutine: SelectCardCoroutine,
                                    afterSelectCardCoroutine: null,
                                    message: "Select 1 [DM] digimon to play",
                                    maxCount: maxCount,
                                    canEndNotMax: true,
                                    isShowOpponent: true,
                                    mode: SelectCardEffect.Mode.Custom,
                                    root: SelectCardEffect.Root.Trash,
                                    customRootCardList: null,
                                    canLookReverseCard: true,
                                    selectPlayer: card.Owner,
                                    cardEffect: activateClass);

                        selectCardEffect.SetUpCustomMessage("Select 1 [DM] digimon to play", "The opponent is selecting 1 digimon to play.");
                        yield return StartCoroutine(selectCardEffect.Activate());

                        IEnumerator SelectCardCoroutine(CardSource cardSource)
                        {
                            selectedCard = cardSource;
                            yield return null;
                        }

                        if (selectedCard != null) yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.PlayPermanentCards(cardSources: new List<CardSource> { selectedCard }, activateClass: activateClass, payCost: false, isTapped: false, root: SelectCardEffect.Root.Trash, activateETB: true));
                    }
                }
            }

            #endregion

            #region ESS

            if (timing == EffectTiming.OnDestroyedAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Play 1 level 4 or less [DM] Digimon", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, true, EffectDiscription());
                activateClass.SetIsInheritedEffect(true);
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[On Deletion] you may play 1 level 4 or lower [DM] trait Digimon card from your trash without paying the cost.";
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.CanActivateOnDeletion(card, activateClass);
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    if (cardSource.IsDigimon && cardSource.Level <= 4 && cardSource.EqualsTraits("DM"))
                    {
                        if (CardEffectCommons.CanPlayAsNewPermanent(cardSource: cardSource, payCost: false, cardEffect: activateClass))
                        {
                            return true;
                        }
                    }

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    if (CardEffectCommons.HasMatchConditionOwnersCardInTrash(card, CanSelectCardCondition))
                    {
                        CardSource selectedCard = null;
                        SelectCardEffect selectCardEffect = GManager.instance.GetComponent<SelectCardEffect>();

                        selectCardEffect.SetUp(
                                    canTargetCondition: CanSelectCardCondition,
                                    canTargetCondition_ByPreSelecetedList: null,
                                    canEndSelectCondition: null,
                                    canNoSelect: () => true,
                                    selectCardCoroutine: SelectCardCoroutine,
                                    afterSelectCardCoroutine: null,
                                    message: "Select 1 [DM] digimon to play",
                                    maxCount: 1,
                                    canEndNotMax: true,
                                    isShowOpponent: true,
                                    mode: SelectCardEffect.Mode.Custom,
                                    root: SelectCardEffect.Root.Trash,
                                    customRootCardList: null,
                                    canLookReverseCard: true,
                                    selectPlayer: card.Owner,
                                    cardEffect: activateClass);

                        selectCardEffect.SetUpCustomMessage("Select 1 [DM] digimon to play", "The opponent is selecting 1 digimon to play.");
                        yield return StartCoroutine(selectCardEffect.Activate());

                        IEnumerator SelectCardCoroutine(CardSource cardSource)
                        {
                            selectedCard = cardSource;
                            yield return null;
                        }

                        if (selectedCard != null) yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.PlayPermanentCards(cardSources: new List<CardSource> { selectedCard }, activateClass: activateClass, payCost: false, isTapped: false, root: SelectCardEffect.Root.Trash, activateETB: true));
                    }
                }
            }

            #endregion

            return cardEffects;
        }
    }
}