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

//Canoweissmon
namespace DCGO.CardEffects.BT21
{
    public class BT21_022 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Alternative Digivolution Condition

            if (timing == EffectTiming.None)
            {
                bool PermanentCondition(Permanent targetPermanent)
                {
                    if (targetPermanent.TopCard.Level == 4)
                    {
                        if (targetPermanent.TopCard.HasText("Gammamon"))
                        {
                            return true;
                        }
                    }
                    return false;
                }

                cardEffects.Add(CardEffectFactory.AddSelfDigivolutionRequirementStaticEffect(
                    permanentCondition: PermanentCondition,
                    digivolutionCost: 3,
                    ignoreDigivolutionRequirement: false,
                    card: card,
                    condition: null)
                );
            }

            #endregion

            #region On Play / When Digivolving Shared

            bool CanSelectCardCondition(CardSource cardSource)
            {
                if (cardSource.IsDigimon)
                {
                    if (cardSource.HasText("Gammamon"))
                    {
                        return true;
                    }
                }
                return false;
            }

            bool SharedCanActivateCondition(Hashtable hashtable)
            {
                if (CardEffectCommons.IsExistOnBattleAreaDigimon(card))
                {
                    if (CardEffectCommons.HasMatchConditionOwnersHand(card, CanSelectCardCondition))
                    {
                        return true;
                    }
                }
                return false;
            }

            IEnumerator SharedActivateCoroutine(Hashtable hashtable, ActivateClass activateClass)
            {
                bool CanSelectPermanentCondition(Permanent permanent)
                {
                    if (CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card))
                    {
                        if (permanent.DP <= card.Owner.MaxDP_DeleteEffect(7000, activateClass))
                        {
                            return true;
                        }
                    }
                    return false;
                }

                bool cardAdded = false;
                CardSource selectedCard = null;
                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.", "The opponent is selecting 1 card.");
                selectHandEffect.SetUpCustomMessage_ShowCard("Selected Card");
                yield return StartCoroutine(selectHandEffect.Activate());

                IEnumerator SelectCardCoroutine(CardSource cardSource)
                {
                    selectedCard = cardSource;
                    yield return null;
                }

                if (selectedCard != null)
                {
                    yield return ContinuousController.instance.StartCoroutine(card.PermanentOfThisCard().AddDigivolutionCardsBottom(new List<CardSource>() { selectedCard }, activateClass));
                    cardAdded = true;
                }

                if (cardAdded)
                {
                    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 On Play

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Add card from hand as source, destroy a 7k or less digimon", CanUseCondition, card);
                activateClass.SetUpActivateClass(SharedCanActivateCondition, hashtable => SharedActivateCoroutine(hashtable, activateClass), -1, true, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                    => "[On Play] By placing 1 Digimon card with [Gammamon] in its text from your hand as this Digimon's bottom digivolution card, delete 1 of your opponent's Digimon with 7000 DP or less.";

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

            #endregion

            #region When Digivolving

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Add card from hand as source, destroy a 7k or less digimon", CanUseCondition, card);
                activateClass.SetUpActivateClass(SharedCanActivateCondition, hashtable => SharedActivateCoroutine(hashtable, activateClass), -1, true, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                    => "[When Digivolving] By placing 1 Digimon card with [Gammamon] in its text from your hand as this Digimon's bottom digivolution card, delete 1 of your opponent's Digimon with 7000 DP or less.";

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

            #endregion

            #region ESS

            if (timing == EffectTiming.WhenRemoveField)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Prevent from leaving", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, true, EffectDiscription());
                activateClass.SetIsInheritedEffect(true);
                activateClass.SetHashString("PreventLeaving_BT21_022");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                    => "[All Turns] [Once Per Turn] When this Digimon with [Gammamon] in its text would leave the battle area by your opponent's effects, by trashing 3 Digimon cards from its digivolution cards, it doesn't leave.";

                bool SourceCondition(CardSource source)
                {
                    return source.IsDigimon;
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleAreaDigimon(card))
                    {
                        if (CardEffectCommons.CanTriggerWhenRemoveField(hashtable, card))
                        {
                            if (CardEffectCommons.IsByEffect(hashtable, CardEffectCondition))
                            {
                                return true;
                            }
                        }
                    }
                    return false;
                }

                bool CanActivateCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleAreaDigimon(card))
                    {
                        if (card.PermanentOfThisCard().TopCard.HasText("Gammamon"))
                        {
                            if(card.PermanentOfThisCard().DigivolutionCards.Count(SourceCondition) >= 3)
                                return true;
                        }
                    }
                    return false;
                }

                bool CardEffectCondition(ICardEffect effect)
                {
                    return CardEffectCommons.IsOpponentEffect(effect, card);
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    Permanent permanent = card.PermanentOfThisCard();
                    List<CardSource> selectedCards = new List<CardSource>();

                    SelectCardEffect selectCardEffect = GManager.instance.GetComponent<SelectCardEffect>();
                    selectCardEffect.SetUp(
                                canTargetCondition: SourceCondition,
                                canTargetCondition_ByPreSelecetedList: null,
                                canEndSelectCondition: null,
                                canNoSelect: () => true,
                                selectCardCoroutine: null,
                                afterSelectCardCoroutine: SelectCardCoroutine,
                                message: "Select digivolution cards to trash",
                                maxCount: 3,
                                canEndNotMax: false,
                                isShowOpponent: true,
                                mode: SelectCardEffect.Mode.Custom,
                                root: SelectCardEffect.Root.DigivolutionCards,
                                customRootCardList: permanent.DigivolutionCards,
                                canLookReverseCard: false,
                                selectPlayer: card.Owner,
                                cardEffect: null);

                    selectCardEffect.SetUpCustomMessage("Select digivolution cards to trash.", "The opponent is selecting digivolution cards to return to trash.");
                    selectCardEffect.SetNotShowCard();

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

                    IEnumerator SelectCardCoroutine(List<CardSource> cardSources)
                    {
                        selectedCards = cardSources;
                        yield return null;
                    }

                    if (selectedCards.Count >= 3)
                    {
                        yield return ContinuousController.instance.StartCoroutine(new ITrashDigivolutionCards(permanent, selectedCards, activateClass).TrashDigivolutionCards());

                        permanent.willBeRemoveField = false;
                        permanent.HideDeleteEffect();
                        permanent.HideHandBounceEffect();
                        permanent.HideDeckBounceEffect();
                        permanent.HideWillRemoveFieldEffect();
                    }
                }
            }

            #endregion

            return cardEffects;
        }
    }
}