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

// GoldNumemon
namespace DCGO.CardEffects.BT22
{
    public class BT22_031 : 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.IsLevel4 && targetPermanent.TopCard.ContainsCardName("Numemon") || targetPermanent.TopCard.IsLevel3 && targetPermanent.TopCard.HasCSTraits);
                }

                cardEffects.Add(CardEffectFactory.AddSelfDigivolutionRequirementStaticEffect(permanentCondition: PermanentCondition, digivolutionCost: 2, ignoreDigivolutionRequirement: false, card: card, condition: null));
            }

            #endregion

            #region OP/WD Shared

            bool SharedOpponentCondition(Permanent permanent)
            {
                return CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card);
            }

            bool SharedIsPlatinumNumemon(CardSource cardSource)
            {
                return CardEffectCommons.IsExistOnHand(cardSource) && cardSource.EqualsCardName("PlatinumNumemon");
            }

            IEnumerator SharedActivateCoroutine(Hashtable hashtable, ActivateClass activateClass)
            {
                if (CardEffectCommons.HasMatchConditionOpponentsPermanent(card, SharedOpponentCondition))
                {
                    #region -2 Sec Attack

                    Permanent selectedPermament = null;

                    #region Select Permanent

                    int maxCount = Math.Min(1, CardEffectCommons.MatchConditionOpponentsPermanentCount(card, SharedOpponentCondition));
                    SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();

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

                    IEnumerator SelectPermanentCoroutine(Permanent permanent)
                    {
                        selectedPermament = permanent;
                        yield return null;
                    }

                    selectPermanentEffect.SetUpCustomMessage("Select 1 Digimon to give -2 Sec Atk", "The opponent is selecting 1 Digimon to give -2 Sec Atk");
                    yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());

                    #endregion

                    if (selectedPermament != null) yield return ContinuousController.instance.StartCoroutine(
                        CardEffectCommons.ChangeDigimonSAttack(selectedPermament, -2, EffectDuration.UntilOpponentTurnEnd, activateClass));

                    #endregion
                }

                if (card.PermanentOfThisCard().StackCards
                    .Filter(x => !x.IsFlipped)
                    .GroupBy(x => x.Level)
                    .Any(g => g.Count() >= 2) && 
                    CardEffectCommons.HasMatchConditionOwnersHand(card, SharedIsPlatinumNumemon))
                {
                    #region Digivolve into PlatinumNumemon

                    yield return ContinuousController.instance.StartCoroutine(
                        CardEffectCommons.DigivolveIntoHandOrTrashCard(
                            targetPermanent: card.PermanentOfThisCard(),
                            cardCondition: SharedIsPlatinumNumemon,
                            payCost: true,
                            reduceCostTuple: null,
                            fixedCostTuple: null,
                            ignoreDigivolutionRequirementFixedCost: 4,
                            isHand: true,
                            activateClass: activateClass,
                            successProcess: null));

                    #endregion
                }
            }

            #endregion

            #region On Play

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Give 1 digimon -2 Sec Atk. then if sources has 2 same level digimon, digivolve into [PlatinumNumemon]", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[On Play] Give 1 of your opponent's Digimon <Security A. -2> (This Digimon checks 2 additional security cards.) until their turn ends. Then, if this Digimon's stack has 2 or more same-level cards, this Digimon may digivolve into [PlatinumNumemon] in the hand for a digivolution cost of 4, ignoring digivolution requirements.";
                }

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

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

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(SharedActivateCoroutine(hashtable, activateClass));
                }
            }

            #endregion

            #region When Digivolving

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Give 1 digimon -2 Sec Atk. then if sources has 2 same level digimon, digivolve into [PlatinumNumemon]", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[When Digivolving] Give 1 of your opponent's Digimon <Security A. -2> (This Digimon checks 2 additional security cards.) until their turn ends. Then, if this Digimon's stack has 2 or more same-level cards, this Digimon may digivolve into [PlatinumNumemon] in the hand for a digivolution cost of 4, ignoring digivolution requirements.";
                }

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

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

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(SharedActivateCoroutine(hashtable, activateClass));
                }
            }

            #endregion

            #region ESS

            ActivateClass activateClass2 = new ActivateClass();
            activateClass2.SetUpICardEffect("Digivolution Cost -1", CanUseCondition2, card);
            activateClass2.SetUpActivateClass(CanActivateCondition2, ActivateCoroutine2, 1, false, EffectDiscription2());
            activateClass2.SetIsInheritedEffect(true);
            activateClass2.SetNotShowUI(true);
            activateClass2.SetIsBackgroundProcess(true);
            activateClass2.SetHashString("BT22_031_ESS");

            string EffectDiscription2()
            {
                return "[Your Turn] [Once Per Turn] When this Digimon would digivolve into a Digimon card with the [CS] trait, reduce the digivolution cost by 1.";
            }

            bool CanUseCondition2(Hashtable hashtable)
            {
                if (CardEffectCommons.IsExistOnBattleArea(card))
                {
                    if (CardEffectCommons.IsOwnerTurn(card))
                    {
                        if (CardEffectCommons.CanTriggerWhenDigivolving(hashtable, card))
                        {
                            List<CardSource> evoRootTops = CardEffectCommons.GetEvoRootTopsFromEnterFieldHashtable(
                                hashtable,
                                permanent => permanent.cardSources.Contains(card));

                            if (evoRootTops != null)
                            {
                                if (!evoRootTops.Contains(card))
                                {
                                    if (card.PermanentOfThisCard().TopCard.HasCSTraits)
                                    {
                                        return true;
                                    }
                                }
                            }
                        }
                    }
                }

                return false;
            }

            bool CanActivateCondition2(Hashtable hashtable)
            {
                return CardEffectCommons.IsExistOnBattleArea(card);
            }

            IEnumerator ActivateCoroutine2(Hashtable _hashtable)
            {
                yield return null;
            }

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                cardEffects.Add(activateClass2);
            }

            #region Setup Reduce Cost Class

            if (timing == EffectTiming.None)
            {
                ChangeCostClass changeCostClass = new ChangeCostClass();
                changeCostClass.SetUpICardEffect($"Digivolution Cost -1", CanUseCondition, card);
                changeCostClass.SetUpChangeCostClass(changeCostFunc: ChangeCost, cardSourceCondition: CardSourceCondition, rootCondition: RootCondition, isUpDown: isUpDown, isCheckAvailability: () => false, isChangePayingCost: () => true);

                changeCostClass.SetIsInheritedEffect(true);
                cardEffects.Add(changeCostClass);

                bool CanUseCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleArea(card))
                    {
                        if (CardEffectCommons.IsOwnerTurn(card))
                        {
                            if (!card.cEntity_EffectController.isOverMaxCountPerTurn(activateClass2, activateClass2.MaxCountPerTurn))
                            {
                                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))
                            {
                                Cost -= 1;
                            }
                        }
                    }

                    return Cost;
                }

                bool PermanentsCondition(List<Permanent> targetPermanents)
                {
                    if (targetPermanents != null)
                    {
                        if (targetPermanents.Count(PermanentCondition) >= 1)
                        {
                            return true;
                        }
                    }

                    return false;
                }

                bool PermanentCondition(Permanent targetPermanent)
                {
                    return targetPermanent == card.PermanentOfThisCard();
                }

                bool CardSourceCondition(CardSource cardSource)
                {
                    return cardSource.HasCSTraits;
                }

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

                bool isUpDown()
                {
                    return true;
                }
            }

            #endregion

            #endregion

            return cardEffects;
        }
    }
}