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

// Phoenixmon 
namespace DCGO.CardEffects.BT23
{
    public class BT23_015 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Static Effects

            bool IsZaxonTamer(Permanent permanent)
            {
                return CardEffectCommons.IsPermanentExistsOnOwnerBattleArea(permanent, card)
                    && permanent.IsTamer
                    && permanent.TopCard.EqualsTraits("Zaxon");
            }

            #region Alternative Digivolution Condition

            if (timing == EffectTiming.None)
            {
                bool PermanentCondition(Permanent targetPermanent)
                {
                    return targetPermanent.TopCard.HasCSTraits
                        && targetPermanent.TopCard.HasLevel
                        && targetPermanent.TopCard.IsLevel5;
                }

                cardEffects.Add(CardEffectFactory.AddSelfDigivolutionRequirementStaticEffect(
                    permanentCondition: PermanentCondition,
                    digivolutionCost: 3,
                    ignoreDigivolutionRequirement: false,
                    card: card,
                    condition: null)
                );
            }

            #endregion

            #region Before Pay Cost - Condition Effect

            if (timing == EffectTiming.BeforePayCost)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Reduce play cost by 5", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                activateClass.SetHashString("BT23_015_ReducePlayCost");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "When this card would be played, if you have a Tamer with the [Zaxon] trait, reduce the play cost by 5.";
                }

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

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.HasMatchConditionPermanent(IsZaxonTamer)
                        && card.Owner.CanReduceCost(null, card);
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    ChangeCostClass changeCostClass = new ChangeCostClass();
                    changeCostClass.SetUpICardEffect("Play Cost -5", CanUseCondition1, card);
                    changeCostClass.SetUpChangeCostClass(changeCostFunc: ChangeCost, cardSourceCondition: CardCondition, rootCondition: RootCondition, isUpDown: isUpDown, isCheckAvailability: () => false, isChangePayingCost: () => true);

                    ContinuousController.instance.PlaySE(GManager.instance.GetComponent<Effects>().BuffSE);
                    card.Owner.UntilCalculateFixedCostEffect.Add((_timing) => changeCostClass);

                    bool CanUseCondition1(Hashtable hashtable)
                    {
                        return true;
                    }

                    int ChangeCost(CardSource cardSource, int Cost, SelectCardEffect.Root root, List<Permanent> targetPermanents)
                    {
                        if (CardCondition(cardSource))
                        {
                            if (RootCondition(root))
                            {
                                if (PermanentsCondition(targetPermanents))
                                {
                                    if (card.Owner.GetBattleAreaPermanents().Exists(IsZaxonTamer))
                                    {
                                        Cost -= 5;
                                    }
                                }
                            }
                        }

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

                    bool isUpDown()
                    {
                        return true;
                    }

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

            #endregion

            #region Reduce Play Cost - Not Shown

            if (timing == EffectTiming.None)
            {
                ChangeCostClass changeCostClass = new ChangeCostClass();
                changeCostClass.SetUpICardEffect("Play Cost -5", CanUseCondition, card);
                changeCostClass.SetUpChangeCostClass(changeCostFunc: ChangeCost, cardSourceCondition: CardSourceCondition, rootCondition: RootCondition, isUpDown: isUpDown, isCheckAvailability: () => true, isChangePayingCost: () => true);
                changeCostClass.SetNotShowUI(true);
                cardEffects.Add(changeCostClass);

                bool CanUseCondition(Hashtable hashtable)
                {
                    ICardEffect activateClass = card.EffectList(EffectTiming.BeforePayCost).Find(cardEffect => cardEffect.EffectName == "Reduce play cost by 5");

                    return activateClass != null && CardEffectCommons.HasMatchConditionPermanent(IsZaxonTamer);
                }

                int ChangeCost(CardSource cardSource, int Cost, SelectCardEffect.Root root, List<Permanent> targetPermanents)
                {
                    if (CardSourceCondition(cardSource))
                    {
                        if (RootCondition(root))
                        {
                            if (PermanentsCondition(targetPermanents))
                            {
                                if (card.Owner.GetBattleAreaPermanents().Exists(IsZaxonTamer))
                                {
                                    Cost -= 5;
                                }
                            }
                        }
                    }

                    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)
                {
                    if (cardSource != null)
                    {
                        if (cardSource == card)
                        {
                            return true;
                        }
                    }

                    return false;
                }

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

                bool isUpDown()
                {
                    return true;
                }
            }

            #endregion

            #endregion

            #region OP/WD/WA Shared

            IEnumerator SharedActivateCoroutine(Hashtable hashtable, ActivateClass activateClass)
            {
                bool CanSelectPermanentCondition(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card)
                        && permanent.DP <= card.Owner.MaxDP_DeleteEffect(9000, activateClass);
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    return !cardSource.IsDigiEgg;
                }

                if (CardEffectCommons.HasMatchConditionPermanent(CanSelectPermanentCondition))
                {
                    SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();
                    int maxCount = Math.Min(1, CardEffectCommons.MatchConditionPermanentCount(CanSelectPermanentCondition));

                    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.Destroy,
                        cardEffect: activateClass);

                    selectPermanentEffect.SetUpCustomMessage("Select 1 digimon to delete", "Your opponent is selecting 1 digimon to delete");
                    yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());
                }

                if (CardEffectCommons.HasMatchConditionOpponentsCardInTrash(card, CanSelectCardCondition))
                {
                    List<CardSource> selectedCards = new List<CardSource>();

                    SelectCardEffect selectCardEffect = GManager.instance.GetComponent<SelectCardEffect>();
                    int maxCount = Math.Min(3, CardEffectCommons.MatchConditionOpponentsCardCountInTrash(card, CanSelectCardCondition));
                    selectCardEffect.SetUp(
                                canTargetCondition: CanSelectCardCondition,
                                canTargetCondition_ByPreSelecetedList: null,
                                canEndSelectCondition: null,
                                canNoSelect: () => true,
                                selectCardCoroutine: SelectCardCoroutine,
                                afterSelectCardCoroutine: null,
                                message: "Select up to 3 cards to place at bottom of deck.",
                                maxCount: maxCount,
                                canEndNotMax: true,
                                isShowOpponent: true,
                                mode: SelectCardEffect.Mode.Custom,
                                root: SelectCardEffect.Root.Trash,
                                customRootCardList: card.Owner.Enemy.TrashCards,
                                canLookReverseCard: true,
                                selectPlayer: card.Owner,
                                cardEffect: activateClass);

                    IEnumerator SelectCardCoroutine(CardSource source)
                    {
                        selectedCards.Add(source);
                        yield return null;
                    }

                    selectCardEffect.SetUpCustomMessage("Select up to 3 cards to place at bottom of deck.", "The opponent is selecting up to 3 cards to place at bottom of deck");
                    selectCardEffect.SetUpCustomMessage_ShowCard("Selected Cards");

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

                    if (selectedCards.Any())
                    {
                        yield return ContinuousController.instance.StartCoroutine(CardObjectController.AddLibraryBottomCards(selectedCards));
                        yield return ContinuousController.instance.StartCoroutine(GManager.instance.GetComponent<Effects>().ShowCardEffect2(selectedCards, "Deck Bottom Cards", true, true));
                    }
                }
            }

            #endregion

            #region On Play - OPT

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Delete 1 digimon with 9K DP or less. then you may return up to 3 non egg cards from trash to bottom of deck", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, hash => SharedActivateCoroutine(hash, activateClass), 1, false, EffectDiscription());
                activateClass.SetHashString("BT23_015_OP/WD/WA");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[On Play] [Once Per Turn] Delete 1 of your opponent's Digimon with 9000 DP or less. Then, you may return up to 3 non-Digi-Egg cards from their trash to the bottom of the deck.";
                }

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

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

            #endregion

            #region When Digivolving - OPT

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Delete 1 digimon with 9K DP or less. then you may return up to 3 non egg cards from trash to bottom of deck", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, hash => SharedActivateCoroutine(hash, activateClass), 1, false, EffectDiscription());
                activateClass.SetHashString("BT23_015_OP/WD/WA");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[When Digivolving] [Once Per Turn] Delete 1 of your opponent's Digimon with 9000 DP or less. Then, you may return up to 3 non-Digi-Egg cards from their trash to the bottom of the deck.";
                }

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

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

            #endregion

            #region When Attacking - OPT

            if (timing == EffectTiming.OnAllyAttack)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Delete 1 digimon with 9K DP or less. then you may return up to 3 non egg cards from trash to bottom of deck", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, hash => SharedActivateCoroutine(hash, activateClass), 1, false, EffectDiscription());
                activateClass.SetHashString("BT23_015_OP/WD/WA");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[When Attacking] [Once Per Turn] Delete 1 of your opponent's Digimon with 9000 DP or less. Then, you may return up to 3 non-Digi-Egg cards from their trash to the bottom of the deck.";
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleAreaDigimon(card)
                        && CardEffectCommons.CanTriggerOnAttack(hashtable, card);
                }

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

            #endregion

            #region On Deletion

            if (timing == EffectTiming.OnDestroyedAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Place face up as bottom security card", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[On Deletion] Place this card face up as the bottom security card.";
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.CanActivateOnDeletion(card, activateClass)
                        && card.Owner.CanAddSecurity(activateClass);
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(CardObjectController.AddSecurityCard(card, toTop: false, faceUp: true));
                }
            }

            #endregion

            return cardEffects;
        }
    }
}