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

namespace DCGO.CardEffects.EX4
{
    public class EX4_067 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            if (timing == EffectTiming.OptionSkill)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect(card.BaseENGCardNameFromEntity, CanUseCondition, card);
                activateClass.SetUpActivateClass(null, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[Main] Return 2 of your opponent's level 4 or lower Digimon to their owners' hands. Then, if your opponent has 8 or more cards in their hand, return 1 of your opponent's level 6 or higher Digimon to the bottom of its owner's deck.";
                }

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

                    return false;
                }

                bool CanSelectPermanentCondition1(Permanent permanent)
                {
                    if (CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card))
                    {
                        if (permanent.Level >= 6)
                        {
                            if (permanent.TopCard.HasLevel)
                            {
                                return true;
                            }
                        }
                    }

                    return false;
                }

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

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    if (CardEffectCommons.HasMatchConditionPermanent(CanSelectPermanentCondition))
                    {
                        int maxCount = Math.Min(2, 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.Bounce,
                            cardEffect: activateClass);

                        yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());
                    }

                    if (card.Owner.Enemy.HandCards.Count >= 8)
                    {
                        if (CardEffectCommons.HasMatchConditionPermanent(CanSelectPermanentCondition1))
                        {
                            int maxCount = Math.Min(1, CardEffectCommons.MatchConditionPermanentCount(CanSelectPermanentCondition1));

                            SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();

                            selectPermanentEffect.SetUp(
                                selectPlayer: card.Owner,
                                canTargetCondition: CanSelectPermanentCondition1,
                                canTargetCondition_ByPreSelecetedList: null,
                                canEndSelectCondition: null,
                                maxCount: maxCount,
                                canNoSelect: false,
                                canEndNotMax: false,
                                selectPermanentCoroutine: null,
                                afterSelectPermanentCoroutine: null,
                                mode: SelectPermanentEffect.Mode.PutLibraryBottom,
                                cardEffect: activateClass);

                            yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());
                        }
                    }
                }
            }

            if (timing == EffectTiming.SecuritySkill)
            {
                CardEffectCommons.AddActivateMainOptionSecurityEffect(card: card, cardEffects: ref cardEffects, effectName: $"Return 1 level 4 or lower Digimon to hand and return 1 level 6 or more Digimon to the bottom of deck");
            }

            return cardEffects;
        }
    }
}