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

// Zenith
namespace DCGO.CardEffects.BT18
{
    public class BT18_092 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Start of Main
            if (timing == EffectTiming.OnStartMainPhase)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Trash 1 card from hand to gain Memory +1 and Draw 1", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDescription());
                activateClass.SetIsSkippable(true);
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return "[Start of Your Main Phase] By trashing 1 [Vemmon] in your hand, <Draw 1> and gain 1 memory.";
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleAreaTrigger(card, activateClass)
                        && CardEffectCommons.IsOwnerTurn(card);
                }

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleAreaActivate(card, activateClass)
                        && CardEffectCommons.HasMatchConditionOwnersHand(card, CanSelectCardCondition);
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    return cardSource.EqualsCardName("Vemmon");
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    SelectHandEffect selectHandEffect = GManager.instance.GetComponent<SelectHandEffect>();

                    selectHandEffect.SetUp(
                        selectPlayer: card.Owner,
                        canTargetCondition: CanSelectCardCondition,
                        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)
                        {
                            yield return ContinuousController.instance.StartCoroutine(card.Owner.AddMemory(1, activateClass));

                            yield return ContinuousController.instance.StartCoroutine(new DrawClass(card.Owner, 1, activateClass).Draw());
                        }
                    }         
                }
            }
            #endregion

            #region Your Turn
            if (timing == EffectTiming.OnAllyAttack)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Return 2 [Vemmon] to <De-Digivolve - 1>", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, true, EffectDescription());
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return "[Your Turn] When any of your Digimon attacks, by suspending this Tamer and returning 2 [Vemmon] from that Digimon's digivolution cards to the bottom of the deck, <De-Digivolve - 1> 1 of your opponent's Digimon.";
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleAreaTrigger(card, activateClass)
                        && CardEffectCommons.IsOwnerTurn(card)
                        && CardEffectCommons.CanTriggerOnPermanentAttack(hashtable, PermanentCondition);
                }

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleAreaActivate(card, activateClass)
                        && CardEffectCommons.CanActivateSuspendCostEffect(card);
                }

                bool PermanentCondition(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOwnerBattleAreaDigimon(permanent, card)
                        && permanent.DigivolutionCards.Count((cardSource) => cardSource.EqualsCardName("Vemmon")) >= 2;
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    return cardSource.EqualsCardName("Vemmon");
                }

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

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(new SuspendPermanentsClass(new List<Permanent>() { card.PermanentOfThisCard() }, CardEffectCommons.CardEffectHashtable(activateClass)).Tap());

                    if (GManager.instance.attackProcess.AttackingPermanent != null
                    && GManager.instance.attackProcess.AttackingPermanent.TopCard != null
                    && GManager.instance.attackProcess.AttackingPermanent.DigivolutionCards.Count((cardSource) => cardSource.CardNames.Contains("Vemmon")) >= 2
                    && GManager.instance.attackProcess.AttackingPermanent.DigivolutionCards.Count(CanSelectCardCondition) >= 2)
                    {
                        List<CardSource> selectedCards = new List<CardSource>();

                        bool returnedToLibrary = false;

                        SelectCardEffect selectCardEffect = GManager.instance.GetComponent<SelectCardEffect>();

                        selectCardEffect.SetUp(
                            canTargetCondition: CanSelectCardCondition,
                            canTargetCondition_ByPreSelecetedList: null,
                            canEndSelectCondition: null,
                            canNoSelect: () => true,
                            selectCardCoroutine: SelectCardCoroutine,
                            afterSelectCardCoroutine: null,
                            message: "Select digivolution cards to return to the bottom of deck\n(cards will be placed back to the bottom of the deck so that cards with lower numbers are on top).",
                            maxCount: 2,
                            canEndNotMax: false,
                            isShowOpponent: true,
                            mode: SelectCardEffect.Mode.Custom,
                            root: SelectCardEffect.Root.Custom,
                            customRootCardList: GManager.instance.attackProcess.AttackingPermanent.DigivolutionCards,
                            canLookReverseCard: true,
                            selectPlayer: card.Owner,
                            cardEffect: null);

                        selectCardEffect.SetUpCustomMessage("Select digivolution cards to return to the bottom of deck.", "The opponent is selecting digivolution cards to return to the bottom of deck.");
                        selectCardEffect.SetNotShowCard();

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

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

                            yield return null;
                        }

                        if (selectedCards.Count >= 1)
                        {
                            yield return ContinuousController.instance.StartCoroutine(new ReturnToLibraryBottomDigivolutionCardsClass(
                                GManager.instance.attackProcess.AttackingPermanent,
                                selectedCards,
                                CardEffectCommons.CardEffectHashtable(activateClass)).ReturnToLibraryBottomDigivolutionCards());

                            if (selectedCards.Count == 2)
                            {
                                returnedToLibrary = true;
                            }
                        }

                        if (returnedToLibrary)
                        {
                            if (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: 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)
                                {
                                    Permanent selectedPermanent = permanent;

                                    yield return ContinuousController.instance.StartCoroutine(new IDegeneration(selectedPermanent, 1, activateClass).Degeneration());
                                }
                            }
                        }   
                    }
                }
            }
            #endregion

            #region Security Effect
            if (timing == EffectTiming.SecuritySkill)
            {
                cardEffects.Add(CardEffectFactory.PlaySelfTamerSecurityEffect(card));
            }
            #endregion

            return cardEffects;
        }
    }
}