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

// Cool Boy
namespace DCGO.CardEffects.EX11
{
    public class EX11_071 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region On Play

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Reveal 3, add 1 [Omekamon] or [Omnimon (X Antibody)] and 1 [Royal Knight] or [LIBERATOR] trait card, bot deck the rest.", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[On Play] Reveal the top 3 cards of your deck. Add 1 [Omekamon] or [Omnimon (X Antibody)] and 1 [Royal Knight] or [LIBERATOR] trait card among them to the hand. Return the rest to the bottom of the deck.";
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleArea(card)
                        && card.Owner.LibraryCards.Count >= 1;
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    return cardSource.EqualsCardName("Omekamon")
                            || cardSource.EqualsCardName("Omnimon (X Antibody)");
                }

                bool CanSelectCardCondition1(CardSource cardSource)
                {
                    return cardSource.EqualsTraits("Royal Knight")
                            || cardSource.EqualsTraits("LIBERATOR");
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.SimplifiedRevealDeckTopCardsAndSelect(
                        revealCount: 3,
                        simplifiedSelectCardConditions:
                        new SimplifiedSelectCardConditionClass[]
                        {
                        new SimplifiedSelectCardConditionClass(
                            canTargetCondition:CanSelectCardCondition,
                            message: "Select 1 [Omekamon] or [Omnimon (X Antibody)].",
                            mode: SelectCardEffect.Mode.AddHand,
                            maxCount: 1,
                            selectCardCoroutine: null),
                        new SimplifiedSelectCardConditionClass(
                            canTargetCondition:CanSelectCardCondition1,
                            message: "Select 1 [Royal Knight] or [LIBERATOR] trait card.",
                            mode: SelectCardEffect.Mode.AddHand,
                            maxCount: 1,
                            selectCardCoroutine: null),
                        },
                        remainingCardsPlace: RemainingCardsPlace.DeckBottom,
                        activateClass: activateClass
                    ));
                }
            }

            #endregion

            #region Main

            if (timing == EffectTiming.OnDeclaration)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Return tamer to play 4 cost or higher [Royal Knight] or [LIBERATOR] trait card for 2 less", CanUseCondition, card);
                activateClass.SetUpActivateClass(null, ActivateCoroutine, -1, true, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[Main] By returning this Tamer to the bottom of the deck, you may play 1 play cost 4 or higher [Royal Knight] or [LIBERATOR] trait card from your hand with the play cost reduced by 2.";
                }

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

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    return (cardSource.EqualsTraits("Royal Knight")
                            || cardSource.EqualsTraits("LIBERATOR"))
                        && cardSource.GetCostItself >= 4
                        && CardEffectCommons.CanPlayAsNewPermanent(cardSource: cardSource, payCost: true, cardEffect: activateClass, fixedCost: cardSource.GetCostItself - 2);
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.DeckBouncePeremanentAndProcessAccordingToResult(
                        targetPermanents: new List<Permanent>() { card.PermanentOfThisCard() },
                        activateClass: activateClass,
                        successProcess: SuccessProcess(),
                        failureProcess: null));

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

                            SelectHandEffect selectHandEffect = GManager.instance.GetComponent<SelectHandEffect>();

                            selectHandEffect.SetUp(
                                selectPlayer: card.Owner,
                                canTargetCondition: CanSelectCardCondition,
                                canTargetCondition_ByPreSelecetedList: null,
                                canEndSelectCondition: null,
                                maxCount: 1,
                                canNoSelect: true,
                                canEndNotMax: false,
                                isShowOpponent: true,
                                selectCardCoroutine: SelectCardCoroutine,
                                afterSelectCardCoroutine: null,
                                mode: SelectHandEffect.Mode.Custom,
                                cardEffect: activateClass);

                            selectHandEffect.SetUpCustomMessage(
                                "Select 1 card to play.",
                                "The opponent is selecting 1 card to play.");

                            yield return StartCoroutine(selectHandEffect.Activate());

                            IEnumerator SelectCardCoroutine(CardSource cardSource)
                            {
                                selectedCards.Add(cardSource);

                                yield return null;
                            }

                            #region reduce play cost

                            ChangeCostClass changeCostClass = new ChangeCostClass();
                            changeCostClass.SetUpICardEffect("Play Cost -2", CanUseCondition1, card);
                            changeCostClass.SetUpChangeCostClass(changeCostFunc: ChangeCost, cardSourceCondition: CardSourceCondition, rootCondition: RootCondition, isUpDown: isUpDown, isCheckAvailability: () => false, isChangePayingCost: () => true);
                            Func<EffectTiming, ICardEffect> getCardEffect = GetCardEffect;
                            card.Owner.UntilCalculateFixedCostEffect.Add(getCardEffect);

                            ICardEffect GetCardEffect(EffectTiming _timing)
                            {
                                if (_timing == EffectTiming.None)
                                {
                                    return changeCostClass;
                                }

                                return null;
                            }

                            bool CanUseCondition1(Hashtable hashtable) => true;

                            int ChangeCost(CardSource cardSource, int Cost, SelectCardEffect.Root root, List<Permanent> targetPermanents)
                            {
                                if (CardSourceCondition(cardSource)
                                && RootCondition(root)
                                && PermanentsCondition(targetPermanents))
                                {
                                    Cost -= 2;
                                }

                                return Cost;
                            }

                            bool PermanentsCondition(List<Permanent> targetPermanents)
                            {
                                return targetPermanents == null
                                        || targetPermanents.Count((targetPermanent) => targetPermanent != null) == 0;
                            }

                            bool CardSourceCondition(CardSource cardSource)
                            {
                                return cardSource != null
                                    && cardSource.Owner == card.Owner
                                    && (cardSource.EqualsTraits("Royal Knight")
                                        || cardSource.EqualsTraits("LIBERATOR"));
                            }

                            bool RootCondition(SelectCardEffect.Root root) => true;

                            bool isUpDown() => true;

                            #endregion

                            yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.PlayPermanentCards(
                                cardSources: selectedCards,
                                activateClass: activateClass,
                                payCost: true,
                                isTapped: false,
                                root: SelectCardEffect.Root.Hand,
                                activateETB: true
                            ));

                            #region release reducing play cost

                            card.Owner.UntilCalculateFixedCostEffect.Remove(getCardEffect);

                            #endregion
                        }
                    }
                }
            }

            #endregion

            #region Security Effect

            if (timing == EffectTiming.SecuritySkill)
            {
                cardEffects.Add(CardEffectFactory.PlaySelfTamerSecurityEffect(card));
            }

            #endregion

            return cardEffects;
        }
    }
}