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

namespace DCGO.CardEffects.BT12
{
    public class BT12_071 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            if (timing == EffectTiming.OnAllyAttack)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Reveal the top 3 cards of deck", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, true, EffectDiscription());
                activateClass.SetHashString("Reveal_BT12_070");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[Opponent's Turn][Once Per Turn] When an opponent's Digimon attacks, you may reveal the top 3 cards of your deck. Play 1 black card with a play cost of 6 or less among them without paying its cost. Trash the rest.";
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    if (CardEffectCommons.CanPlayAsNewPermanent(cardSource: cardSource, payCost: false, cardEffect: activateClass))
                    {
                        if (cardSource.GetCostItself <= 6)
                        {
                            if (cardSource.HasPlayCost)
                            {
                                if (cardSource.HasCardColor(CardColor.Black))
                                {
                                    return true;
                                }
                            }
                        }
                    }

                    return false;
                }

                bool PermanentCondition(Permanent permanent)
                {
                    return CardEffectCommons.IsOpponentPermanent(permanent, card);
                }

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

                    return false;
                }

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

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    List<CardSource> selectedCards = new List<CardSource>();

                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.SimplifiedRevealDeckTopCardsAndSelect(
                        revealCount: 3,
                        simplifiedSelectCardConditions:
                        new SimplifiedSelectCardConditionClass[]
                        {
                        new SimplifiedSelectCardConditionClass(
                            canTargetCondition:CanSelectCardCondition,
                            message: "Select 1 black card with a play cost of 6 or less.",
                            mode: SelectCardEffect.Mode.Custom,
                            maxCount: 1,
                            selectCardCoroutine: SelectCardCoroutine),
                        },
                        remainingCardsPlace: RemainingCardsPlace.Trash,
                        activateClass: activateClass
                    ));

                    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.Library,
                        activateETB: true));
                }
            }

            if (timing == EffectTiming.OnDestroyedAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Play 1 Digimon from hand", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, true, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[On Deletion] You may play 1 black level 4 or lower card with a [Hybrid] trait from your hand without paying its cost.";
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    if (cardSource.IsDigimon)
                    {
                        if (cardSource.HasCardColor(CardColor.Black))
                        {
                            if (cardSource.Level <= 4)
                            {
                                if (cardSource.CardTraits.Contains("Hybrid"))
                                {
                                    if (CardEffectCommons.CanPlayAsNewPermanent(cardSource: cardSource, payCost: false, cardEffect: activateClass))
                                    {
                                        if (cardSource.HasLevel)
                                        {
                                            return true;
                                        }
                                    }
                                }
                            }
                        }
                    }

                    return false;
                }

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

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

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    if (card.Owner.HandCards.Count(CanSelectCardCondition) >= 1)
                    {
                        List<CardSource> selectedCards = new List<CardSource>();

                        int maxCount = 1;

                        SelectHandEffect selectHandEffect = GManager.instance.GetComponent<SelectHandEffect>();

                        selectHandEffect.SetUp(
                            selectPlayer: card.Owner,
                            canTargetCondition: CanSelectCardCondition,
                            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());

                        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.Hand, activateETB: true));
                    }
                }
            }

            return cardEffects;
        }
    }
}