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

namespace DCGO.CardEffects.BT20
{
    public class BT20_097 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Main
            if (timing == EffectTiming.OptionSkill)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("May Digivolve into level 6 or lower, then place in battle area", CanUseCondition, card);
                activateClass.SetUpActivateClass(null, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[Main] 1 of your Digimon may digivolve into a level 6 or lower Digimon card with [Dex] or [DeathX] in its name in the trash with the digivolution cost reduced by 4. Then, place this card in the battle area.";
                }

                bool CanSelectPermanentCondition(Permanent permanent)
                {
                    if (CardEffectCommons.IsPermanentExistsOnOwnerBattleAreaDigimon(permanent, card))
                    {
                        foreach (CardSource cardSource in card.Owner.TrashCards)
                        {
                            if (CanSelectCardCondition(cardSource))
                            {
                                if (cardSource.CanPlayCardTargetFrame(permanent.PermanentFrame, false, activateClass))
                                {
                                    return true;
                                }
                            }
                        }
                    }

                    return false;
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    if (cardSource.IsDigimon)
                    {
                        if (cardSource.HasLevel && cardSource.Level <= 6)
                        {
                            if (cardSource.ContainsCardName("Dex"))
                            {
                                return true;
                            }

                            if (cardSource.ContainsCardName("DeathX"))
                            {
                                return true;
                            }
                        }
                    }

                    return false;
                }

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

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    if (CardEffectCommons.HasMatchConditionPermanent(CanSelectPermanentCondition))
                    {
                        Permanent selectedPermanent = null;

                        SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();

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

                        selectPermanentEffect.SetUpCustomMessage("Select 1 Digimon that will digivolve.", "The opponent is selecting 1 Digimon that will digivolve.");

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

                        IEnumerator SelectPermanentCoroutine(Permanent permanent)
                        {
                            selectedPermanent = permanent;

                            yield return null;
                        }

                        if (selectedPermanent != null)
                        {
                            yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.DigivolveIntoHandOrTrashCard(
                                targetPermanent: selectedPermanent,
                                cardCondition: CanSelectCardCondition,
                                payCost: true,
                                reduceCostTuple: (reduceCost: 4, reduceCostCardCondition: null),
                                fixedCostTuple: null,
                                ignoreDigivolutionRequirementFixedCost: -1,
                                isHand: false,
                                activateClass: activateClass,
                                successProcess: null));
                        }
                    }

                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.PlaceDelayOptionCards(card: card, cardEffect: activateClass));
                }
            }
            #endregion

            #region All Turns - Delay

            if (timing == EffectTiming.WhenRemoveField)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Play 1 [DeathXmon]", CanUseCondition, card);
                activateClass.SetUpActivateClass(null, ActivateCoroutine, -1, true, EffectDescription());
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return "[All Turns] When any of your [DexDorugoramon] would leave the battle area, <Delay>.\r\n• By return 1 [Dorumon] from those Digimon's digivolution cards to the hand, you may play 1 [DeathXmon] from your trash without paying the cost.";
                }

                bool DexDorugora(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOwnerBattleAreaDigimon(permanent, card) &&
                           permanent.TopCard.EqualsCardName("DexDorugoramon") &&
                           permanent.willBeRemoveField;
                }

                bool DexDorugoraWithSource(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOwnerBattleAreaDigimon(permanent, card) &&
                           permanent.TopCard.EqualsCardName("DexDorugoramon") &&
                           permanent.willBeRemoveField &&
                           permanent.DigivolutionCards.Count(DorumonSource) > 0;
                }

                bool DorumonSource(CardSource source)
                {
                    return source.EqualsCardName("Dorumon");
                }

                bool IsDeathXmon(CardSource source)
                {
                    return source.EqualsCardName("DeathXmon") &&
                           CardEffectCommons.CanPlayAsNewPermanent(source, false, activateClass, SelectCardEffect.Root.Trash);
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.CanTriggerWhenPermanentRemoveField(hashtable, DexDorugora) &&
                           CardEffectCommons.CanDeclareOptionDelayEffect(card);
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    Permanent selectedPermanent = null;

                    yield return ContinuousController.instance.StartCoroutine(
                        CardEffectCommons.DeletePeremanentAndProcessAccordingToResult(
                            targetPermanents: new List<Permanent>() { card.PermanentOfThisCard() },
                            activateClass: activateClass, successProcess: _ => SuccessProcess(),
                            failureProcess: null));

                    IEnumerator SuccessProcess()
                    {
                        SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();

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

                        selectPermanentEffect.SetUpCustomMessage("Select 1 Digimon to return 1 source to hand.", "The opponent is selecting 1 return 1 source to hand.");

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

                        IEnumerator SelectPermanentCoroutine(Permanent permanent)
                        {
                            selectedPermanent = permanent;

                            yield return null;
                        }
                    }

                    if(selectedPermanent != null)
                    {
                        bool cardAdded = false;

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

                        selectCardEffect.SetUp(
                                    canTargetCondition: DorumonSource,
                                    canTargetCondition_ByPreSelecetedList: null,
                                    canEndSelectCondition: null,
                                    canNoSelect: () => false,
                                    selectCardCoroutine: null,
                                    afterSelectCardCoroutine: SelectDorumonCoroutine,
                                    message: "Select 1 digivolution card.",
                                    maxCount: 1,
                                    canEndNotMax: false,
                                    isShowOpponent: true,
                                    mode: SelectCardEffect.Mode.AddHand,
                                    root: SelectCardEffect.Root.Custom,
                                    customRootCardList: selectedPermanent.DigivolutionCards,
                                    canLookReverseCard: true,
                                    selectPlayer: card.Owner,
                                    cardEffect: activateClass);

                        selectCardEffect.SetUpCustomMessage("Select 1 [Dorumon] to return to hand.", "The opponent is selecting 1 [Dorumon] to return to hand.");
                        selectCardEffect.SetUpCustomMessage_ShowCard("Digivolution Card");

                        yield return StartCoroutine(selectCardEffect.Activate());

                        IEnumerator SelectDorumonCoroutine(List<CardSource> cardSources)
                        {
                            cardAdded = true;

                            yield return null;
                        }

                        if (cardAdded)
                        {
                            List<CardSource> selectedPlayedCards = new List<CardSource>();

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

                            selectCardEffect.SetUpCustomMessage("Select 1 [DeathXmon] to play.", "The opponent is selecting 1 [DeathXmon] to play.");

                            yield return StartCoroutine(selectCardEffect.Activate());

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

                                yield return null;
                            }

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

            #endregion

            #region Security Effect
            if (timing == EffectTiming.SecuritySkill)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect($"Play 1 [Dorumon] from your hand or trash", CanUseCondition, card);
                activateClass.SetUpActivateClass(null, ActivateCoroutine, -1, false, EffectDiscription());
                activateClass.SetIsSecurityEffect(true);
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[Security] You may play 1 [Dorumon] from your hand or trash without paying the cost. Then, place this card in the battle area.";
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    if (cardSource != null)
                    {
                        if (cardSource.Owner == card.Owner)
                        {
                            if (CardEffectCommons.CanPlayAsNewPermanent(cardSource: cardSource, payCost: false, cardEffect: activateClass))
                            {
                                if (cardSource.EqualsCardName("Dorumon"))
                                {
                                    return true;
                                }
                            }
                        }
                    }

                    return false;
                }

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

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    bool canSelectHand = CardEffectCommons.HasMatchConditionOwnersHand(card, CanSelectCardCondition);
                    bool canSelectTrash = CardEffectCommons.HasMatchConditionOwnersCardInTrash(card, CanSelectCardCondition);

                    if (canSelectHand || canSelectTrash)
                    {
                        if (canSelectHand && canSelectTrash)
                        {
                            List<SelectionElement<bool>> selectionElements = new List<SelectionElement<bool>>()
                        {
                            new SelectionElement<bool>(message: $"From hand", value : true, spriteIndex: 0),
                            new SelectionElement<bool>(message: $"From trash", value : false, spriteIndex: 1),
                        };

                            string selectPlayerMessage = "From which area do you play a card?";
                            string notSelectPlayerMessage = "The opponent is choosing from which area to play a card.";

                            GManager.instance.userSelectionManager.SetBoolSelection(selectionElements: selectionElements, selectPlayer: card.Owner, selectPlayerMessage: selectPlayerMessage, notSelectPlayerMessage: notSelectPlayerMessage);
                        }
                        else
                        {
                            GManager.instance.userSelectionManager.SetBool(canSelectHand);
                        }

                        yield return ContinuousController.instance.StartCoroutine(GManager.instance.userSelectionManager.WaitForEndSelect());

                        bool fromHand = GManager.instance.userSelectionManager.SelectedBoolValue;

                        List<CardSource> selectedCards = new List<CardSource>();

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

                            yield return null;
                        }

                        if (fromHand)
                        {
                            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());
                        }
                        else
                        {
                            int maxCount = 1;

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

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

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

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

                        SelectCardEffect.Root root = SelectCardEffect.Root.Hand;

                        if (!fromHand)
                        {
                            root = SelectCardEffect.Root.Trash;
                        }

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

                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.AddThisCardToHand(card, activateClass));
                }
            }
            #endregion

            return cardEffects;
        }
    }
}