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

namespace DCGO.CardEffects.BT11
{
    public class BT11_111 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            if (timing == EffectTiming.None)
            {
                bool PermanentCondition(Permanent targetPermanent)
                {
                    return targetPermanent.TopCard.CardNames.Contains("Snatchmon");
                }

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

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Place up to 4 [Vemmon] from trash to digivolution cards and delete 1 Digimon", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[When Digivolving] You may place up to 4 [Vemmon] from your trash under this Digimon as its bottom digivolution cards. Then, if there are 8 or more [Vemmon] in this Digimon's digivolution cards, delete 1 of your opponent's Digimon.";
                }

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

                    return false;
                }

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

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

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

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleArea(card))
                    {
                        if (CardEffectCommons.HasMatchConditionOwnersCardInTrash(card, CanSelectCardCondition))
                        {
                            List<CardSource> selectedCards = new List<CardSource>();

                            int maxCount = Math.Min(4, card.Owner.TrashCards.Count(CanSelectCardCondition));

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

                            selectCardEffect.SetUp(
                                canTargetCondition: CanSelectCardCondition,
                                canTargetCondition_ByPreSelecetedList: null,
                                canEndSelectCondition: CanEndSelectCondition,
                                canNoSelect: () => true,
                                selectCardCoroutine: SelectCardCoroutine,
                                afterSelectCardCoroutine: null,
                                message: "Select [Vemmon] to place on bottom of digivolution cards\n(cards will be placed so that cards with lower numbers are on top).",
                                maxCount: maxCount,
                                canEndNotMax: true,
                                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 [Vemmon] to place on bottom of digivolution cards.", "The opponent is selecting [Vemmon] to place on bottom of digivolution cards.");

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

                            bool CanEndSelectCondition(List<CardSource> cardSources)
                            {
                                if (CardEffectCommons.HasNoElement(cardSources))
                                {
                                    return false;
                                }

                                return true;
                            }

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

                                yield return null;
                            }

                            if (selectedCards.Count >= 1)
                            {
                                yield return ContinuousController.instance.StartCoroutine(card.PermanentOfThisCard().AddDigivolutionCardsBottom(selectedCards, activateClass));
                            }
                        }
                    }

                    if (CardEffectCommons.IsExistOnBattleArea(card))
                    {
                        if (card.PermanentOfThisCard().DigivolutionCards.Count((cardSource) => cardSource.CardNames.Contains("Vemmon")) >= 8)
                        {
                            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());
                            }
                        }
                    }
                }
            }

            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());
                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.CardNames.Contains("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();
                            }
                        }
                    }
                }
            }

            if (timing == EffectTiming.OnStartMainPhase)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Trash the top card of opponent's security", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[Start of Your Main Phase] Trash the top card of your opponent's security stack.";
                }

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

                    return false;
                }

                bool CanActivateCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleArea(card))
                    {
                        if (card.Owner.Enemy.SecurityCards.Count >= 1)
                        {
                            return true;
                        }
                    }

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(new IDestroySecurity(
                        player: card.Owner.Enemy,
                        destroySecurityCount: 1,
                        cardEffect: activateClass,
                        fromTop: true).DestroySecurity());
                }
            }

            return cardEffects;
        }
    }
}