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

// Digital Gate Open
namespace DCGO.CardEffects.P
{
    public class P_206 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region ignoring colors

            if (timing == EffectTiming.None)
            {
                IgnoreColorConditionClass ignoreColorConditionClass = new IgnoreColorConditionClass();
                ignoreColorConditionClass.SetUpICardEffect("Ignore color requirements", CanUseCondition, card);
                ignoreColorConditionClass.SetUpIgnoreColorConditionClass(cardCondition: CardCondition);

                cardEffects.Add(ignoreColorConditionClass);

                bool CanUseCondition(Hashtable hashtable) => true;

                bool CardCondition(CardSource cardSource) => cardSource == card;
            }

            #endregion

            #region Main

            if (timing == EffectTiming.OptionSkill)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Reveal 3", CanUseCondition, card);
                activateClass.SetUpActivateClass(null, ActivateCoroutine, -1, false, EffectDescription());
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return "[Main] Reveal the top 3 cards of your deck. Add 1 Digimon card and 1 Tamer card among them to the hand. Return the rest to the bottom of the deck. Then, place this card in the battle area.";
                }

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

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    return cardSource.IsDigimon;
                }

                bool CanSelectCardCondition1(CardSource cardSource)
                {
                    return cardSource.IsTamer;
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.SimplifiedRevealDeckTopCardsAndSelect(
                        revealCount: 3,
                        simplifiedSelectCardConditions:
                        new SimplifiedSelectCardConditionClass[]
                        {
                        new SimplifiedSelectCardConditionClass(
                            canTargetCondition:CanSelectCardCondition,
                            message: "Select 1 digimon card.",
                            mode: SelectCardEffect.Mode.AddHand,
                            maxCount: 1,
                            selectCardCoroutine: null),
                        new SimplifiedSelectCardConditionClass(
                            canTargetCondition:CanSelectCardCondition1,
                            message: "Select 1 tamer card.",
                            mode: SelectCardEffect.Mode.AddHand,
                            maxCount: 1,
                            selectCardCoroutine: null),
                        },
                        remainingCardsPlace: RemainingCardsPlace.DeckBottom,
                        activateClass: activateClass
                    ));

                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.PlaceDelayOptionCards(card: card, cardEffect: activateClass));
                }
            }

            #endregion

            #region Main - Delay

            if (timing == EffectTiming.OnDeclaration)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Play 1 tamer with same colour as any of your digimon on the field, from your hand with 4 reduced cost", CanUseCondition, card);
                activateClass.SetUpActivateClass(null, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[Main] <Delay>. You may play 1 Tamer card with the same color as any of your Digimon on the field from your hand with the play cost reduced by 4.";
                }

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

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    var digimonColours = card.Owner.GetFieldPermanents()
                        .Filter(x => x.IsDigimon)
                        .SelectMany(digimon => digimon.TopCard.CardColors).Distinct();

                    return cardSource.IsTamer
                        && cardSource.BaseCardColors.Exists(x => digimonColours.Contains(x))
                        && CardEffectCommons.CanPlayAsNewPermanent(cardSource, false, activateClass);
                }

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

                    IEnumerator DeleteOptionSuccessProcess()
                    {
                        if (CardEffectCommons.HasMatchConditionOwnersHand(card, CanSelectCardCondition))
                        {
                            CardSource selectedCard = null;
                            SelectHandEffect selectHandEffect = GManager.instance.GetComponent<SelectHandEffect>();
                            int maxCount = Math.Min(1, CardEffectCommons.MatchConditionOwnersCardCountInHand(card, CanSelectCardCondition));
                            selectHandEffect.SetUp(
                                selectPlayer: card.Owner,
                                canTargetCondition: CanSelectCardCondition,
                                canTargetCondition_ByPreSelecetedList: null,
                                canEndSelectCondition: null,
                                maxCount: maxCount,
                                canNoSelect: true,
                                canEndNotMax: false,
                                isShowOpponent: true,
                                selectCardCoroutine: SelectCardCoroutine,
                                afterSelectCardCoroutine: null,
                                mode: SelectHandEffect.Mode.Custom,
                                cardEffect: activateClass);

                            IEnumerator SelectCardCoroutine(CardSource cardSource)
                            {
                                selectedCard = cardSource;
                                yield return null;
                            }

                            selectHandEffect.SetUpCustomMessage("Select 1 card to play.", "The opponent is selecting 1 card to play.");
                            selectHandEffect.SetUpCustomMessage_ShowCard("Played Card");
                            yield return ContinuousController.instance.StartCoroutine(selectHandEffect.Activate());

                            #region Reduce Play Cost

                            ChangeCostClass changeCostClass = new ChangeCostClass();
                            changeCostClass.SetUpICardEffect($"Play Cost -4", _ => true, card);
                            changeCostClass.SetUpChangeCostClass(changeCostFunc: ChangeCost, cardSourceCondition: CardSourceCondition,
                                rootCondition: RootCondition, isUpDown: () => true, isCheckAvailability: () => false,
                                isChangePayingCost: () => true);
                            Func<EffectTiming, ICardEffect> getCardEffect = GetCardEffect;
                            card.Owner.UntilCalculateFixedCostEffect.Add(getCardEffect);

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

                                return null;
                            }

                            int ChangeCost(CardSource cardSource, int cost, SelectCardEffect.Root root, List<Permanent> targetPermanents)
                            {
                                if (CardSourceCondition(cardSource))
                                {
                                    if (RootCondition(root))
                                    {
                                        if (PermanentsCondition(targetPermanents))
                                        {
                                            cost -= 4;
                                        }
                                    }
                                }

                                return cost;
                            }

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

                                return targetPermanents.Count((targetPermanent) => targetPermanent != null) == 0;
                            }

                            bool CardSourceCondition(CardSource cardSource)
                            {
                                if (cardSource.HasPlayCost)
                                {
                                    return selectedCard == cardSource;
                                }

                                return false;
                            }

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

                            #endregion

                            if (selectedCard != null)
                            {
                                yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.PlayPermanentCards(
                                cardSources: new List<CardSource>() { selectedCard },
                                activateClass: activateClass,
                                payCost: true,
                                isTapped: false,
                                root: SelectCardEffect.Root.Hand,
                                activateETB: true));
                            }

                            #region Remove Reduce Cost effect

                            card.Owner.UntilCalculateFixedCostEffect.Remove(getCardEffect);

                            #endregion
                        }
                    }
                }
            }

            #endregion

            #region Security

            if (timing == EffectTiming.SecuritySkill)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("you may play 1 3 cost or less digimon from hand or trash, then add this card to hand", CanUseCondition, card);
                activateClass.SetUpActivateClass(null, ActivateCoroutine, -1, false, EffectDescription());
                activateClass.SetIsSecurityEffect(true);
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return "[Security] You may play 1 Digimon card with a play cost of 3 or less from your hand or trash without paying the cost. Then, add this card to the hand.";
                }

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

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    return cardSource.IsDigimon
                        && cardSource.HasPlayCost && cardSource.BasePlayCostFromEntity <= 3
                        && CardEffectCommons.CanPlayAsNewPermanent(cardSource, false, activateClass);
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    bool canSelectHand = CardEffectCommons.HasMatchConditionOwnersHand(card, CanSelectCardCondition);
                    bool canSelectTrash = CardEffectCommons.HasMatchConditionOwnersCardInTrash(card, CanSelectCardCondition);

                    if (canSelectHand || canSelectTrash)
                    {
                        if (canSelectHand && canSelectTrash)
                        {
                            List<SelectionElement<bool>> selectionElements = new List<SelectionElement<bool>>()
                            {
                                new SelectionElement<bool>(message: $"From hand", value : true, spriteIndex: 0),
                                new SelectionElement<bool>(message: $"From trash", value : false, spriteIndex: 1),
                            };

                            string selectPlayerMessage = "From which area do you select a card?";
                            string notSelectPlayerMessage = "The opponent is choosing from which area to select a card.";

                            GManager.instance.userSelectionManager.SetBoolSelection(selectionElements: selectionElements, selectPlayer: card.Owner, selectPlayerMessage: selectPlayerMessage, notSelectPlayerMessage: notSelectPlayerMessage);
                        }
                        else
                        {
                            GManager.instance.userSelectionManager.SetBool(canSelectHand);
                        }

                        yield return ContinuousController.instance.StartCoroutine(GManager.instance.userSelectionManager.WaitForEndSelect());

                        bool fromHand = GManager.instance.userSelectionManager.SelectedBoolValue;

                        CardSource selectedCard = null;

                        IEnumerator SelectCardCoroutine(CardSource cardSource)
                        {
                            selectedCard = cardSource;
                            yield return null;
                        }

                        if (fromHand)
                        {
                            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.");
                            selectHandEffect.SetUpCustomMessage_ShowCard("Selected Card");

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

                            if (selectedCard != null) yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.PlayPermanentCards(
                                new List<CardSource>() { selectedCard },
                                activateClass: activateClass,
                                payCost: false,
                                isTapped: false,
                                root: SelectCardEffect.Root.Hand,
                                activateETB: true));
                        }
                        else
                        {
                            SelectCardEffect selectCardEffect = GManager.instance.GetComponent<SelectCardEffect>();

                            selectCardEffect.SetUp(
                                canTargetCondition: CanSelectCardCondition,
                                canTargetCondition_ByPreSelecetedList: null,
                                canEndSelectCondition: null,
                                canNoSelect: () => true,
                                selectCardCoroutine: SelectCardCoroutine,
                                afterSelectCardCoroutine: null,
                                message: "Select 1 card to play",
                                maxCount: 1,
                                canEndNotMax: false,
                                isShowOpponent: true,
                                mode: SelectCardEffect.Mode.Custom,
                                root: SelectCardEffect.Root.Trash,
                                customRootCardList: null,
                                canLookReverseCard: true,
                                selectPlayer: card.Owner,
                                cardEffect: activateClass);

                            selectCardEffect.SetUpCustomMessage("Select 1 card to play.", "The opponent is selecting 1 card to play.");
                            selectCardEffect.SetUpCustomMessage_ShowCard("Selected Card");

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

                            if (selectedCard != null) yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.PlayPermanentCards(
                                new List<CardSource>() { selectedCard },
                                activateClass: activateClass,
                                payCost: false,
                                isTapped: false,
                                root: SelectCardEffect.Root.Trash,
                                activateETB: true));
                        }
                    }

                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.AddThisCardToHand(
                        card1: card,
                        activateClass: activateClass));
                }
            }

            #endregion

            return cardEffects;
        }
    }
}