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

namespace DCGO.CardEffects.EX4
{
    public class EX4_021 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("De-Digivolve 1 on 1 Digimon and opponent's Digimon can't attack", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[On Play] <De-Digivolve 1> 1 of your opponent's Digimon. Then, all of your opponent's level 4 or lower Digimon can't attack until the end of your opponent's turn.";
                }

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

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

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

                    return false;
                }

                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: SelectPermanentCoroutine,
                            afterSelectPermanentCoroutine: null,
                            mode: SelectPermanentEffect.Mode.Custom,
                            cardEffect: activateClass);

                        selectPermanentEffect.SetUpCustomMessage("Select 1 Digimon to De-Digivolve.", "The opponent is selecting 1 Digimon to De-Digivolve.");
                        yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());

                        IEnumerator SelectPermanentCoroutine(Permanent permanent)
                        {
                            Permanent selectedPermanent = permanent;

                            yield return ContinuousController.instance.StartCoroutine(new IDegeneration(selectedPermanent, 1, activateClass).Degeneration());
                        }
                    }

                    bool AttackerCondition(Permanent Attacker)
                    {
                        if (CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(Attacker, card))
                        {
                            if (Attacker.TopCard.HasLevel && Attacker.Level <= 4)
                            {
                                return true;
                            }
                        }

                        return false;
                    }

                    bool DefenderCondition(Permanent defender)
                    {
                        return true;
                    }

                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.GainCanNotAttackPlayerEffect(
                        attackerCondition: AttackerCondition,
                        defenderCondition: DefenderCondition,
                        effectDuration: EffectDuration.UntilOpponentTurnEnd,
                        activateClass: activateClass,
                        effectName: "Can't Attack"));
                }
            }

            if (timing == EffectTiming.WhenPermanentWouldBeDeleted || timing == EffectTiming.WhenReturntoHandAnyone || timing == EffectTiming.WhenReturntoLibraryAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Play [MetalGreymon] and [DarkKnightmon] from digivolution cards", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, true, EffectDiscription());
                activateClass.SetHashString("PlayDigivolutionCards_EX4_021");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[All Turns] When this Digimon would be deleted or returned to your hand or deck, you may play 1 [MetalGreymon] and 1 [DarkKnightmon] from this Digimon's digivolution cards without paying the costs.";
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    if (CardEffectCommons.CanPlayAsNewPermanent(cardSource: cardSource, payCost: false, cardEffect: activateClass))
                    {
                        if (cardSource.CardNames.Contains("MetalGreymon"))
                        {
                            return true;
                        }
                    }

                    return false;
                }

                bool CanSelectCardCondition1(CardSource cardSource)
                {
                    if (CardEffectCommons.CanPlayAsNewPermanent(cardSource: cardSource, payCost: false, cardEffect: activateClass))
                    {
                        if (cardSource.CardNames.Contains("DarkKnightmon"))
                        {
                            return true;
                        }
                    }

                    return false;
                }

                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((cardSource) => CanSelectCardCondition(cardSource) || CanSelectCardCondition1(cardSource)) >= 1)
                        {
                            return true;
                        }
                    }

                    return false;
                }

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

                        if (card.PermanentOfThisCard().DigivolutionCards.Count((cardSource) => CanSelectCardCondition(cardSource)) >= 1)
                        {
                            int maxCount = 1;

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

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

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

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

                                yield return null;
                            }
                        }

                        if (card.PermanentOfThisCard().DigivolutionCards.Count((cardSource) => CanSelectCardCondition1(cardSource)) >= 1)
                        {
                            int maxCount = 1;

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

                            selectCardEffect.SetUp(
                                canTargetCondition: (cardSource) => CanSelectCardCondition1(cardSource),
                                canTargetCondition_ByPreSelecetedList: null,
                                canEndSelectCondition: null,
                                canNoSelect: () => false,
                                selectCardCoroutine: SelectCardCoroutine,
                                afterSelectCardCoroutine: null,
                                message: "Select 1 [DarkKnightmon] to play.",
                                maxCount: maxCount,
                                canEndNotMax: false,
                                isShowOpponent: true,
                                mode: SelectCardEffect.Mode.Custom,
                                root: SelectCardEffect.Root.Custom,
                                customRootCardList: card.PermanentOfThisCard().DigivolutionCards,
                                canLookReverseCard: true,
                                selectPlayer: card.Owner,
                                cardEffect: activateClass);

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

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

                                yield return null;
                            }
                        }

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

            if (timing == EffectTiming.None)
            {
                AddDigiXrosConditionClass addDigiXrosConditionClass = new AddDigiXrosConditionClass();
                addDigiXrosConditionClass.SetUpICardEffect($"DigiXros", CanUseCondition, card);
                addDigiXrosConditionClass.SetUpAddDigiXrosConditionClass(getDigiXrosCondition: GetDigiXros);
                addDigiXrosConditionClass.SetNotShowUI(true);
                cardEffects.Add(addDigiXrosConditionClass);

                bool CanUseCondition(Hashtable hashtable)
                {
                    return true;
                }



                DigiXrosCondition GetDigiXros(CardSource cardSource)
                {
                    if (cardSource == card)
                    {
                        DigiXrosConditionElement element = new DigiXrosConditionElement(CanSelectCardCondition, "Blue MetalGreymon");

                        bool CanSelectCardCondition(CardSource cardSource)
                        {
                            if (cardSource != null)
                            {
                                if (cardSource.Owner == card.Owner)
                                {
                                    if (cardSource.IsDigimon)
                                    {
                                        if (cardSource.CardNames_DigiXros.Contains("MetalGreymon"))
                                        {
                                            if (cardSource.HasCardColor(CardColor.Blue))
                                            {
                                                return true;
                                            }
                                        }
                                    }
                                }
                            }

                            return false;
                        }

                        DigiXrosConditionElement element1 = new DigiXrosConditionElement(CanSelectCardCondition1, "DarkKnightmon");

                        bool CanSelectCardCondition1(CardSource cardSource)
                        {
                            if (cardSource != null)
                            {
                                if (cardSource.Owner == card.Owner)
                                {
                                    if (cardSource.IsDigimon)
                                    {
                                        if (cardSource.CardNames_DigiXros.Contains("DarkKnightmon"))
                                        {
                                            return true;
                                        }
                                    }
                                }
                            }

                            return false;
                        }

                        List<DigiXrosConditionElement> elements = new List<DigiXrosConditionElement>() { element, element1 };

                        DigiXrosCondition digiXrosCondition = new DigiXrosCondition(elements, null, 2);

                        return digiXrosCondition;
                    }

                    return null;
                }
            }

            return cardEffects;
        }
    }
}