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

// Tankmon
namespace DCGO.CardEffects.EX7
{
    public class EX7_043 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Alternate Digivolution

            if (timing == EffectTiming.None)
            {
                bool PermanentCondition(Permanent targetPermanent)
                {
                    return targetPermanent.TopCard.IsLevel3 && targetPermanent.TopCard.HasText("Three Musketeers");
                }

                cardEffects.Add(CardEffectFactory.AddSelfDigivolutionRequirementStaticEffect(
                    permanentCondition: PermanentCondition,
                    digivolutionCost: 2,
                    ignoreDigivolutionRequirement: false,
                    card: card,
                    condition: null)
                );
            }

            #endregion

            #region Shared OP / WD

            string SharedEffectName = "Return cards from trash to De-Digivolve 1.";

            string SharedEffectDescription(string tag) => $"[{tag}] By returning 3 cards with the [Three Musketeers] trait from your hand or trash to the top of the deck, <De-Digivolve 1> 1 of your opponent's Digimon (Trash the top card. You can't trash past level 3 cards).";

            int cardCount()
            {
                int cardCount = 0;

                if (CardEffectCommons.IsExistOnBattleArea(card))
                {
                    cardCount += card.Owner.HandCards.Count(CanSelectCardSharedCondition);
                    cardCount += card.Owner.TrashCards.Count(CanSelectCardSharedCondition);
                }

                return cardCount;
            }

            bool SharedCanActivateCondition(Hashtable hashtable)
            {
                return CardEffectCommons.IsExistOnBattleAreaDigimon(card)
                    && cardCount() >= 3;
            }

            bool CanSelectCardSharedCondition(CardSource cardSource)
            {
                return cardSource.ContainsTraits("Three Musketeers");
            }

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

            IEnumerator SharedActivateCoroutine(Hashtable hashtable, ActivateClass activateClass)
            {
                List<CardSource> selectedCards = new List<CardSource>();

                if (card.Owner.HandCards.Count(CanSelectCardSharedCondition) >= 1)
                {
                    int maxCount = Math.Min(3, card.Owner.HandCards.Count(CanSelectCardSharedCondition));

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

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

                    selectHandEffect.SetUpCustomMessage("Select cards to return to top of deck.", "The opponent is selecting cards.");

                    yield return ContinuousController.instance.StartCoroutine(selectHandEffect.Activate());

                    IEnumerator SelectCardCoroutine(CardSource cardSource)
                    {
                        selectedCards.Add(cardSource);
                        yield return null;
                    }
                }

                if (CardEffectCommons.HasMatchConditionOwnersCardInTrash(card, CanSelectCardSharedCondition))
                {
                    int maxCount = 3 - selectedCards.Count;

                    if (maxCount >= 1)
                    {
                        SelectCardEffect selectCardEffect1 = GManager.instance.GetComponent<SelectCardEffect>();

                        selectCardEffect1.SetUp(
                            canTargetCondition: CanSelectCardSharedCondition,
                            canTargetCondition_ByPreSelecetedList: null,
                            canEndSelectCondition: null,
                            canNoSelect: () => true,
                            selectCardCoroutine: SelectCardCoroutine,
                            afterSelectCardCoroutine: null,
                            message: "Select cards to return to top of deck.",
                            maxCount: maxCount,
                            canEndNotMax: true,
                            isShowOpponent: true,
                            mode: SelectCardEffect.Mode.Custom,
                            root: SelectCardEffect.Root.Trash,
                            customRootCardList: null,
                            canLookReverseCard: true,
                            selectPlayer: card.Owner,
                            cardEffect: activateClass);

                        yield return ContinuousController.instance.StartCoroutine(selectCardEffect1.Activate());

                        IEnumerator SelectCardCoroutine(CardSource cardSource)
                        {
                            selectedCards.Add(cardSource);
                            yield return null;
                        }

                    }
                }

                if (selectedCards.Count == 3)
                {
                    SelectCardEffect selectCardEffect = GManager.instance.GetComponent<SelectCardEffect>();

                    selectCardEffect.SetUp(
                        canTargetCondition: (cardSource) => true,
                        canTargetCondition_ByPreSelecetedList: null,
                        canEndSelectCondition: null,
                        canNoSelect: () => false,
                        selectCardCoroutine: null,
                        afterSelectCardCoroutine: AfterSelectCardCoroutine,
                        message: "Specify the order to place the cards in the top of the deck\n(cards will be placed so that cards with lower numbers are on top).",
                        maxCount: selectedCards.Count,
                        canEndNotMax: false,
                        isShowOpponent: true,
                        mode: SelectCardEffect.Mode.Custom,
                        root: SelectCardEffect.Root.Custom,
                        customRootCardList: selectedCards,
                        canLookReverseCard: true,
                        selectPlayer: card.Owner,
                        cardEffect: activateClass);

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

                    IEnumerator AfterSelectCardCoroutine(List<CardSource> cardSources)
                    {                       
                        foreach (CardSource selectedCard in selectedCards)
                        {
                            yield return ContinuousController.instance.StartCoroutine(CardObjectController.RemoveFromAllArea(selectedCard));
                        }

                        cardSources.Reverse();

                        yield return ContinuousController.instance.StartCoroutine(
                            CardObjectController.AddLibraryTopCards(cardSources));

                        if (CardEffectCommons.HasMatchConditionPermanent(CanSelectPermanentSharedCondition))
                        {
                            SelectPermanentEffect selectPermanentEffect =
                                GManager.instance.GetComponent<SelectPermanentEffect>();

                            selectPermanentEffect.SetUp(
                                selectPlayer: card.Owner,
                                canTargetCondition: CanSelectPermanentSharedCondition,
                                canTargetCondition_ByPreSelecetedList: null,
                                canEndSelectCondition: null,
                                maxCount: 1,
                                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)
                            {
                                yield return ContinuousController.instance.StartCoroutine(
                                    new IDegeneration(permanent, 1, activateClass).Degeneration());
                            }
                        }
                    }
                }
            }

            #endregion

            #region On Play

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect(SharedEffectName, CanUseCondition, card);
                activateClass.SetUpActivateClass(SharedCanActivateCondition, (hash) => SharedActivateCoroutine(hash, activateClass), -1, true, SharedEffectDescription("On Play"));
                cardEffects.Add(activateClass);

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

            #endregion

            #region When Digivolving

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect(SharedEffectName, CanUseCondition, card);
                activateClass.SetUpActivateClass(SharedCanActivateCondition, (hash) => SharedActivateCoroutine(hash, activateClass), -1, true, SharedEffectDescription("When Digivolving"));
                cardEffects.Add(activateClass);

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

            #endregion

            #region Reboot - ESS

            if (timing == EffectTiming.None)
            {
                cardEffects.Add(CardEffectFactory.RebootSelfStaticEffect(
                    isInheritedEffect: true,
                    card: card,
                    condition: null));
            }

            #endregion

            return cardEffects;
        }
    }
}