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

namespace DCGO.CardEffects.EX6
{
    public class EX6_039 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region When Would be Played
            if (timing == EffectTiming.BeforePayCost)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Delete 1 digimon with [Unidentified] trait, to get Play Cost -3", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                activateClass.SetHashString("PlayCost-12_BT5_085");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "When this card would be played from the hand, by deleting 1 of your Digimon with the [Unidentified] trait, reduce the play cost by 3.";
                }

                bool CanSelectPermanentCondition(Permanent permanent)
                {
                    if (CardEffectCommons.IsPermanentExistsOnOwnerBattleArea(permanent, card))
                    {
                        if (permanent.TopCard.ContainsTraits("Unidentified") && permanent.IsDigimon)
                        {
                            if (!permanent.TopCard.CanNotBeAffected(activateClass))
                            {
                                if (permanent.CanBeDestroyedBySkill(activateClass))
                                {
                                    return true;
                                }
                            }
                        }
                    }

                    return false;
                }

                bool CardCondition(CardSource cardSource)
                {
                    if (cardSource == card)
                        return CardEffectCommons.IsExistOnHand(cardSource);

                    return false;
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.CanTriggerWhenPermanentWouldPlay(hashtable, CardCondition);
                }

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.HasMatchConditionOwnersPermanent(card, CanSelectPermanentCondition);
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    if (CardEffectCommons.HasMatchConditionOwnersPermanent(card, CanSelectPermanentCondition))
                    {
                        bool CanNoSelect = true;

                        CardSource Card = CardEffectCommons.GetCardFromHashtable(_hashtable);

                        if (Card != null)
                        {
                            if (Card.PayingCost(SelectCardEffect.Root.Hand, null, checkAvailability: false) > Card.Owner.MaxMemoryCost)
                            {
                                CanNoSelect = false;
                            }
                        }

                        int maxCount = 1;

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

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

                        selectPermanentEffect.SetUpCustomMessage("Select 1 Digimon to delete.", "The opponent is selecting 1 Digimon to delete.");

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

                        IEnumerator SelectPermanentCoroutine(Permanent permanent)
                        {
                            yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.DeletePeremanentAndProcessAccordingToResult(targetPermanents: new List<Permanent>() { permanent }, activateClass: activateClass, successProcess: permanents => SuccessProcess(), failureProcess: null));

                            IEnumerator SuccessProcess()
                            {
                                if (card.Owner.CanReduceCost(null, card))
                                {
                                    ContinuousController.instance.PlaySE(GManager.instance.GetComponent<Effects>().BuffSE);
                                }

                                ChangeCostClass changeCostClass = new ChangeCostClass();
                                changeCostClass.SetUpICardEffect("Play Cost -3", CanUseCondition1, card);
                                changeCostClass.SetUpChangeCostClass(changeCostFunc: ChangeCost, cardSourceCondition: CardSourceCondition, rootCondition: RootCondition, isUpDown: isUpDown, isCheckAvailability: () => false, isChangePayingCost: () => true);
                                card.Owner.UntilCalculateFixedCostEffect.Add((_timing) => changeCostClass);

                                yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.ShowReducedCost(_hashtable));

                                bool CanUseCondition1(Hashtable hashtable)
                                {
                                    return true;
                                }

                                int ChangeCost(CardSource cardSource, int Cost, SelectCardEffect.Root root, List<Permanent> targetPermanents)
                                {
                                    if (CardSourceCondition(cardSource))
                                    {
                                        if (RootCondition(root))
                                        {
                                            if (PermanentsCondition(targetPermanents))
                                            {
                                                Cost -= 3;
                                            }
                                        }
                                    }

                                    return Cost;
                                }

                                bool PermanentsCondition(List<Permanent> targetPermanents)
                                {
                                    if (targetPermanents == null)
                                    {
                                        return true;
                                    }

                                    else
                                    {
                                        if (targetPermanents.Count((targetPermanent) => targetPermanent != null) == 0)
                                        {
                                            return true;
                                        }
                                    }

                                    return false;
                                }

                                bool CardSourceCondition(CardSource cardSource)
                                {
                                    return cardSource == card;
                                }

                                bool RootCondition(SelectCardEffect.Root root)
                                {
                                    return true;
                                }

                                bool isUpDown()
                                {
                                    return true;
                                }
                            }
                        }
                    }
                }
            }
            #endregion

            #region On Play
            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Delete 1 opponents Digimon, with 3 cost or less", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[On Play] Delete 1 of your opponent's Digimon with a play cost of 3 or less.";
                }

                bool IsThreeCostOrLessDigimon(Permanent permanent)
                {
                    if (CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card))
                    {
                        if (permanent.TopCard.HasPlayCost && permanent.TopCard.GetCostItself <= 3 && permanent.IsDigimon)
                        {
                            return true;
                        }
                    }
                    return false;
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleAreaDigimon(card))
                    {
                        return CardEffectCommons.HasMatchConditionOpponentsPermanent(card, IsThreeCostOrLessDigimon);
                    }

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {

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

                    selectPermanentEffect.SetUp(
                        selectPlayer: card.Owner,
                        canTargetCondition: IsThreeCostOrLessDigimon,
                        canTargetCondition_ByPreSelecetedList: null,
                        canEndSelectCondition: null,
                        maxCount: 1,
                        canNoSelect: false,
                        canEndNotMax: false,
                        selectPermanentCoroutine: null,
                        afterSelectPermanentCoroutine: null,
                        mode: SelectPermanentEffect.Mode.Destroy,
                        cardEffect: activateClass);

                    selectPermanentEffect.SetUpCustomMessage("Select 1 Digimon to delete.", "The opponent is selecting 1 Digimon to delete.");

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

            #region When Digivolving
            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Delete 1 opponents Digimon, with 3 cost or less", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[When Digivolving] Delete 1 of your opponent's Digimon with a play cost of 3 or less.";
                }

                bool IsThreeCostOrLessDigimon(Permanent permanent)
                {
                    if (CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card))
                    {
                        if (permanent.TopCard.HasPlayCost && permanent.TopCard.GetCostItself <= 3)
                        {
                            return true;
                        }
                    }
                    return false;
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleAreaDigimon(card))
                    {
                        return CardEffectCommons.HasMatchConditionOpponentsPermanent(card, IsThreeCostOrLessDigimon);
                    }

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {

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

                    selectPermanentEffect.SetUp(
                        selectPlayer: card.Owner,
                        canTargetCondition: IsThreeCostOrLessDigimon,
                        canTargetCondition_ByPreSelecetedList: null,
                        canEndSelectCondition: null,
                        maxCount: 1,
                        canNoSelect: false,
                        canEndNotMax: false,
                        selectPermanentCoroutine: null,
                        afterSelectPermanentCoroutine: null,
                        mode: SelectPermanentEffect.Mode.Destroy,
                        cardEffect: activateClass);

                    selectPermanentEffect.SetUpCustomMessage("Select 1 Digimon to delete.", "The opponent is selecting 1 Digimon to delete.");

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

            #region On Deletion - ESS
            if (timing == EffectTiming.OnDestroyedAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Play 1 Diaboromon Token", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, true, EffectDiscription());
                activateClass.SetIsInheritedEffect(true);
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[On Deletion] If this card has the [Unidentified] trait, you may play 1 [Diaboromon] (Digimon | 14 Cost | Level 6 | White | Mega | Unknown | Unidentified | DP3000) Token without paying the cost.";
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.CanActivateOnDeletion(card, activateClass))
                    {
                        if (card.Owner.fieldCardFrames.Count((frame) => frame.IsEmptyFrame()) >= 1)
                        {
                            if (card.PermanentJustBeforeRemoveField.CardTraitsJustBeforeRemoveField.Contains("Unidentified"))
                            {
                                return true;
                            }
                        }
                    }
                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.PlayDiaboromonToken(activateClass));
                }
            }
            #endregion

            return cardEffects;
        }
    }
}