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

// LadyDevimon
namespace DCGO.CardEffects.BT23
{
    public class BT23_067 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Alternative Digivolution Condition

            if (timing == EffectTiming.None)
            {
                bool PermanentCondition(Permanent targetPermanent)
                {
                    return targetPermanent.TopCard.HasLevel && targetPermanent.TopCard.IsLevel4
                        && targetPermanent.TopCard.HasCSTraits;
                }

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

            #endregion

            #region Reduce Cost

            bool IsAngewomonOrMirei(Permanent permanent)
            {
                return CardEffectCommons.IsPermanentExistsOnOwnerBattleArea(permanent, card)
                    && (permanent.TopCard.EqualsCardName("Angewomon") || permanent.TopCard.EqualsCardName("Mirei Mikagura"));
            }

            #region Before Pay Cost - Condition Effect

            if (timing == EffectTiming.BeforePayCost)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Play cost reduction -3", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                activateClass.SetHashString("BT23_067_ReducePlayCost");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "When this card would be played from the hand, if you have [Angewomon] or [Mirei Mikagura], reduce the play cost by 3.";
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnHand(card)
                        && CardEffectCommons.HasMatchConditionPermanent(IsAngewomonOrMirei);
                }

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

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    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);

                    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))
                                {
                                    if (CardEffectCommons.HasMatchConditionPermanent(IsAngewomonOrMirei))
                                    {
                                        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 root == SelectCardEffect.Root.Hand;
                    }

                    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 -3", 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)
                {
                    if (card.Owner.HandCards.Contains(card))
                    {
                        ICardEffect activateClass = card.EffectList(EffectTiming.BeforePayCost).Find(cardEffect => cardEffect.EffectName == "Play cost reduction -3");

                        if (activateClass != null)
                        {
                            if (CardEffectCommons.HasMatchConditionPermanent(IsAngewomonOrMirei))
                            {
                                return true;
                            }
                        }
                    }

                    return false;
                }

                int ChangeCost(CardSource cardSource, int Cost, SelectCardEffect.Root root, List<Permanent> targetPermanents)
                {
                    if (CardSourceCondition(cardSource))
                    {
                        if (RootCondition(root))
                        {
                            if (PermanentsCondition(targetPermanents))
                            {
                                if (CardEffectCommons.HasMatchConditionPermanent(IsAngewomonOrMirei))
                                {
                                    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)
                {
                    if (cardSource != null)
                    {
                        if (cardSource == card)
                        {
                            return true;
                        }
                    }

                    return false;
                }

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

                bool isUpDown()
                {
                    return true;
                }
            }

            #endregion

            #endregion

            #region Blocker

            if (timing == EffectTiming.None)
            {
                cardEffects.Add(CardEffectFactory.BlockerSelfStaticEffect(isInheritedEffect: false, card: card, condition: null));
            }

            #endregion
			
			#region On Play/ When Digivolving Shared

            bool CanSelectPermanentConditionShared(Permanent permanent)
            {
                return CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card) &&
                       permanent.IsDigimon &&
                       permanent.TopCard.HasLevel &&
                       permanent.Level <= 4;
            }

            bool CanActivateConditionShared(Hashtable hashtable)
            {
                return CardEffectCommons.IsExistOnBattleAreaDigimon(card) &&
                       CardEffectCommons.HasMatchConditionPermanent(CanSelectPermanentConditionShared);
            }
			
			IEnumerator SharedActivateDeleteDigiCoroutine(Hashtable hashtable, ActivateClass activateClass)
                {
                    SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();

                    selectPermanentEffect.SetUp(
                        selectPlayer: card.Owner,
                        canTargetCondition: CanSelectPermanentConditionShared,
                        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 Play

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Delete 1 of your opponent's level 4 or lower Digimon",
                    CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateConditionShared, hash => SharedActivateDeleteDigiCoroutine(hash, activateClass), -1, false, EffectDescription());
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return
                        "[On Play] Delete 1 of your opponent's level 4 or lower Digimon.";
                }

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

            #endregion

            #region When Digivolving

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Delete 1 of your opponent's level 4 or lower Digimon",
                    CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateConditionShared, hash => SharedActivateDeleteDigiCoroutine(hash, activateClass), -1, false, EffectDescription());
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return
                        "[When Digivolving] Delete 1 of your opponent's level 4 or lower Digimon.";
                }

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

            #endregion

            #region Scapegoat - ESS
            if(timing == EffectTiming.WhenPermanentWouldBeDeleted)
            {

                string EffectDiscription()
                {
                    return "<Scapegoat> (When this Digimon would be deleted other than by your own effects, by deleting 1 of your other Digimon, prevent that deletion.)";
                }

                cardEffects.Add(CardEffectFactory.ScapegoatSelfEffect(isInheritedEffect: true, card: card, condition: null, effectName: "<Scapegoat>", effectDiscription: EffectDiscription()));
            }
            #endregion

            return cardEffects;
        }
    }
}