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

namespace DCGO.CardEffects.BT13
{
    public class BT13_087 : 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("Reveal the top 4 cards of deck", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[On Play] Reveal the top 4 cards of your deck. Add 2 cards with [Lucemon] in their names or the [Royal Knight] trait among them to the hand. Trash the rest.";
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    if (cardSource.ContainsCardName("Lucemon"))
                    {
                        return true;
                    }

                    if (cardSource.HasRoyalKnightTraits)
                    {
                        return true;
                    }

                    return false;
                }

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

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

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.SimplifiedRevealDeckTopCardsAndSelect(
                        revealCount: 4,
                        simplifiedSelectCardConditions:
                        new SimplifiedSelectCardConditionClass[]
                        {
                        new SimplifiedSelectCardConditionClass(
                            canTargetCondition:CanSelectCardCondition,
                            message: "Select 2 cards with [Lucemon] in their names or the [Royal Knight] trait.",
                            mode: SelectCardEffect.Mode.AddHand,
                            maxCount: 2,
                            selectCardCoroutine: null),
                        },
                        remainingCardsPlace: RemainingCardsPlace.Trash,
                        activateClass: activateClass
                    ));
                }
            }

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Reveal the top 4 cards of deck", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[When Digivolving] Reveal the top 4 cards of your deck. Add 2 cards with [Lucemon] in their names or the [Royal Knight] trait among them to the hand. Trash the rest.";
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    if (cardSource.ContainsCardName("Lucemon"))
                    {
                        return true;
                    }

                    if (cardSource.HasRoyalKnightTraits)
                    {
                        return true;
                    }

                    return false;
                }

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

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

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.SimplifiedRevealDeckTopCardsAndSelect(
                        revealCount: 4,
                        simplifiedSelectCardConditions:
                        new SimplifiedSelectCardConditionClass[]
                        {
                        new SimplifiedSelectCardConditionClass(
                            canTargetCondition:CanSelectCardCondition,
                            message: "Select 2 cards with [Lucemon] in their names or the [Royal Knight] trait.",
                            mode: SelectCardEffect.Mode.AddHand,
                            maxCount: 2,
                            selectCardCoroutine: null),
                        },
                        remainingCardsPlace: RemainingCardsPlace.Trash,
                        activateClass: activateClass
                    ));
                }
            }

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Delete opponent's all level 4 or lower Digimon", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[Your Turn] When you play another Digimon with [Lucemon] in its name or the [Royal Knight] trait, delete all of your opponent's level 4 or lower Digimon.";
                }

                bool CanSelectPermanentCondition(Permanent permanent)
                {
                    if (CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card))
                    {
                        if (permanent.Level <= 4)
                        {
                            if (permanent.TopCard.HasLevel)
                            {
                                if (permanent.CanBeDestroyedBySkill(activateClass))
                                {
                                    if (!permanent.TopCard.CanNotBeAffected(activateClass))
                                    {
                                        return true;
                                    }
                                }
                            }
                        }
                    }

                    return false;
                }

                bool PermanentCondition(Permanent permanent)
                {
                    if (CardEffectCommons.IsPermanentExistsOnOwnerBattleAreaDigimon(permanent, card))
                    {
                        if (permanent != card.PermanentOfThisCard())
                        {
                            if (permanent.TopCard.ContainsCardName("Lucemon"))
                            {
                                return true;
                            }

                            if (permanent.TopCard.HasRoyalKnightTraits)
                            {
                                return true;
                            }
                        }
                    }

                    return false;
                }

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

                    return false;
                }

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

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    List<Permanent> destroyTargetPermanents = card.Owner.Enemy.GetBattleAreaDigimons().Filter(CanSelectPermanentCondition);
                    yield return ContinuousController.instance.StartCoroutine(new DestroyPermanentsClass(destroyTargetPermanents, CardEffectCommons.CardEffectHashtable(activateClass)).Destroy());
                }
            }

            return cardEffects;
        }
    }
}