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

namespace DCGO.CardEffects.BT21
{
    //Galacticmon
    public class BT21_062 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Alternative Digivolve Condition
            if (timing == EffectTiming.None)
            {
                bool PermanentCondition(Permanent targetPermanent)
                {
                    return targetPermanent.TopCard.EqualsCardName("Snatchmon");
                }

                cardEffects.Add(CardEffectFactory.AddSelfDigivolutionRequirementStaticEffect(permanentCondition: PermanentCondition, digivolutionCost: 9, ignoreDigivolutionRequirement: false, card: card, condition: null));
            }
            #endregion

            #region When Digivolving
            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Place 4 cards from trash to digivolution cards to use [Ragnarok Cannon]", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, true, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[When Digivolving] By placing 4 cards with [Vemmon] in their texts from your trash as this Digimon's bottom digivolution cards, you may use 1 [Ragnarok Cannon] from your hand or trash without paying the cost.";
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    if (cardSource.HasText("Vemmon"))
                    {
                        return true;
                    }

                    return false;
                }

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

                    return false;
                }

                bool CanActivateCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleArea(card))
                    {
                        if (CardEffectCommons.MatchConditionOwnersCardCountInTrash(card, CanSelectCardCondition) >= 4)
                        {
                            return true;
                        }
                    }

                    return false;
                }

                bool CanSelectCardCondition1(CardSource cardSource)
                {
                    if (cardSource.EqualsCardName("Ragnarok Cannon"))
                    {
                        if (cardSource.HasUseCost)
                        {
                            if (!cardSource.CanNotPlayThisOption)
                            {
                                return true;
                            }
                        }
                    }

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleArea(card))
                    {
                        bool added = false;

                        if (CardEffectCommons.HasMatchConditionOwnersCardInTrash(card, CanSelectCardCondition))
                        {
                            List<CardSource> selectedCards = new List<CardSource>();

                            int maxCount = 4;

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

                            selectCardEffect.SetUp(
                                canTargetCondition: CanSelectCardCondition,
                                canTargetCondition_ByPreSelecetedList: null,
                                canEndSelectCondition: null,
                                canNoSelect: () => true,
                                selectCardCoroutine: SelectCardCoroutine,
                                afterSelectCardCoroutine: null,
                                message: "Select 4 cards to place on bottom of digivolution cards.",
                                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_ShowCard("Digivolution Card");
                            selectCardEffect.SetUpCustomMessage("Select 4 cards to place on bottom of digivolution cards.", "The opponent is selecting 4 cards to place on bottom of digivolution cards.");

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

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

                                yield return null;
                            }

                            if (selectedCards.Count >= 4)
                            {
                                yield return ContinuousController.instance.StartCoroutine(card.PermanentOfThisCard().AddDigivolutionCardsBottom(
                                    selectedCards,
                                    activateClass));

                                added = true;
                            }
                        }

                        if (added)
                        {
                            bool canSelectHand = card.Owner.HandCards.Count(CanSelectCardCondition1) >= 1;
                            bool canSelectTrash = CardEffectCommons.HasMatchConditionOwnersCardInTrash(card, CanSelectCardCondition1);

                            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: CanSelectCardCondition1,
                                        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: CanSelectCardCondition1,
                                        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.PlayOptionCards(
                                    cardSources: selectedCards,
                                    activateClass: activateClass,
                                    payCost: false,
                                    root: root));
                            }
                        }
                    }
                }
            }
            #endregion

            #region Start of Your Main Phase
            if (timing == EffectTiming.OnStartMainPhase)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Delete 1 opponent Digimon", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[Start of Your Main Phase] Delete 1 of your opponent's Digimon.";
                }

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

                bool CanUseCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleArea(card))
                    {
                        if (CardEffectCommons.IsOwnerTurn(card))
                        {
                            return true;
                        }
                    }

                    return false;
                }

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

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    if (CardEffectCommons.HasMatchConditionPermanent(CanSelectPermanentCondition))
                    {
                        int maxCount = Math.Min(1, CardEffectCommons.MatchConditionPermanentCount(CanSelectPermanentCondition));

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

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

                        yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());
                    }
                }
            }
            #endregion

            #region All Turns
            if (timing == EffectTiming.WhenRemoveField)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Prevent this Digimon from leaving play", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, true, EffectDiscription());
                activateClass.SetHashString("Substitute_BT21_062");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[All Turns] When this Digimon would leave the battle area, by placing 4 [Vemmon] from this Digimon's digivolution cards at the bottom of their owners' decks, prevent it from leaving play.";
                }

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

                bool CanUseCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleArea(card))
                    {
                        if (CardEffectCommons.CanTriggerWhenRemoveField(hashtable, card))
                        {
                            return true;
                        }
                    }

                    return false;
                }

                bool CanActivateCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleArea(card))
                    {
                        if (card.PermanentOfThisCard().DigivolutionCards.Count(CanSelectCardCondition) >= 4)
                        {
                            return true;
                        }
                    }

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleArea(card))
                    {
                        Permanent selectedPermanent = card.PermanentOfThisCard();

                        if (selectedPermanent.DigivolutionCards.Count(CanSelectCardCondition) >= 4)
                        {
                            List<CardSource> selectedCards = new List<CardSource>();

                            int maxCount = 4;

                            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: maxCount,
                                        canEndNotMax: false,
                                        isShowOpponent: true,
                                        mode: SelectCardEffect.Mode.Custom,
                                        root: SelectCardEffect.Root.Custom,
                                        customRootCardList: card.PermanentOfThisCard().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(
                                    card.PermanentOfThisCard(),
                                    selectedCards,
                                    CardEffectCommons.CardEffectHashtable(activateClass)).ReturnToLibraryBottomDigivolutionCards());

                                if (selectedCards.Count == 4)
                                {
                                    returnedToLibrary = true;
                                }
                            }

                            if (returnedToLibrary)
                            {
                                selectedPermanent.willBeRemoveField = false;

                                selectedPermanent.HideDeleteEffect();
                                selectedPermanent.HideHandBounceEffect();
                                selectedPermanent.HideDeckBounceEffect();
                                selectedPermanent.HideWillRemoveFieldEffect();
                            }
                        }
                    }
                }
            }
            #endregion

            return cardEffects;
        }
    }
}