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

// Unleash the Dragon-Gene
namespace DCGO.CardEffects.BT20
{
    public class BT20_093 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Main Effect
            if (timing == EffectTiming.OptionSkill)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect(card.BaseENGCardNameFromEntity, CanUseCondition, card);
                activateClass.SetUpActivateClass(null, ActivateCoroutine, -1, false, EffectDescription());
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return
                        "[Main] You may play 1 Digimon card with [Dracomon]/[Examon] in its text from your hand with the play cost reduced by 3. Then, place this card in the battle area.";
                }

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

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    return cardSource.IsDigimon &&
                           (cardSource.HasText("Dracomon") || cardSource.HasText("Examon")) &&
                           CardEffectCommons.CanPlayAsNewPermanent(cardSource: cardSource, payCost: false, cardEffect: activateClass);
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    if (CardEffectCommons.HasMatchConditionOwnersHand(card, CanSelectCardCondition))
                    {
                        #region Reduce Play Cost
                        ChangeCostClass changeCostClass = new ChangeCostClass();
                        changeCostClass.SetUpICardEffect($"Play Cost -3", CanUseReduceCondition, card);
                        changeCostClass.SetUpChangeCostClass(
                            changeCostFunc: ChangeCost,
                            cardSourceCondition: CardSourceCondition,
                            rootCondition: RootCondition,
                            isUpDown: IsUpDown,
                            isCheckAvailability: () => false,
                            isChangePayingCost: () => true);
                        Func<EffectTiming, ICardEffect> getCardEffect = GetCardEffect;
                        card.Owner.UntilCalculateFixedCostEffect.Add(getCardEffect);

                        ICardEffect GetCardEffect(EffectTiming effectTiming)
                        {
                            if (effectTiming == EffectTiming.None)
                            {
                                return changeCostClass;
                            }

                            return null;
                        }

                        bool CanUseReduceCondition(Hashtable reduceHashtable)
                        {
                            return true;
                        }

                        int ChangeCost(CardSource cardSource, int cost, SelectCardEffect.Root root, List<Permanent> targetPermanents)
                        {
                            if (CardSourceCondition(cardSource)
                            && RootCondition(root)
                            && PermanentsCondition(targetPermanents))
                            {
                                cost -= 3;
                            }
                             
                            return cost;
                        }

                        bool PermanentsCondition(List<Permanent> targetPermanents)
                        {
                            return targetPermanents == null
                                    || targetPermanents.Count((targetPermanent) => targetPermanent != null) == 0;
                        }

                        bool CardSourceCondition(CardSource cardSource)
                        {
                            return cardSource.HasPlayCost && CanSelectCardCondition(cardSource);
                        }

                        bool RootCondition(SelectCardEffect.Root root)
                        {
                            return true;
                        }

                        bool IsUpDown()
                        {
                            return true;
                        }
                        #endregion

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

                        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: 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 ContinuousController.instance.StartCoroutine(selectHandEffect.Activate());

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

                            yield return null;
                        }

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

                        #region Remove Reduction
                        card.Owner.UntilCalculateFixedCostEffect.Remove(getCardEffect);
                        #endregion
                    }

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

            #region Delay Effect
            if (timing == EffectTiming.WhenRemoveField)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("2 of your Digimon may DNA digivolve into [Examon]", CanUseCondition, card);
                activateClass.SetUpActivateClass(null, ActivateCoroutine, -1, true, EffectDescription());
                activateClass.SetHashString("DNAExamon_BT20_093");
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return
                        "[All Turns] When any of your Digimon with [Dracomon]/[Examon] in their texts would leave the battle area other than in battle, [Delay].・ 2 of your Digimon may DNA digivolve into [Examon] in the hand.";
                }

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

                bool PermanentCondition(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOwnerBattleAreaDigimon(permanent, card) &&
                           (permanent.TopCard.HasText("Dracomon") || permanent.TopCard.HasText("Examon"));
                }

                bool CanSelectDNACardCondition(CardSource cardSource)
                {
                    return cardSource.IsDigimon &&
                           cardSource.CanPlayJogress(true) &&
                           cardSource.ContainsCardName("Examon");
                }

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

                IEnumerator SuccessProcess()
                {
                    yield return ContinuousController.instance.StartCoroutine(
                        CardEffectCommons.DNADigivolvePermanentsIntoHandOrTrashCard(
                            CanSelectDNACardCondition,
                            payCost: true,
                            isHand: true,
                            activateClass
                        ));
                }
            }
            #endregion

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

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

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

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    return cardSource.IsDigimon &&
                           cardSource.ContainsCardName("Dracomon") &&
                           CardEffectCommons.CanPlayAsNewPermanent(cardSource: cardSource, payCost: false, cardEffect: activateClass);
                }

                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(message: "From hand", value: true, spriteIndex: 0),
                                new(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)
                        {
                            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: 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
                        {
                            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: 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 card to play.", "The opponent is selecting 1 card to play.");
                            selectCardEffect.SetUpCustomMessage_ShowCard("Played Card");

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

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

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

            return cardEffects;
        }
    }
}