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

// Invasion of the Titans
namespace DCGO.CardEffects.BT24
{
    public class BT24_098 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Main

            if (timing == EffectTiming.OptionSkill)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Draw 2, Trash 2", CanUseCondition, card);
                activateClass.SetUpActivateClass(null, ActivateCoroutine, -1, false, EffectDescription());
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return "[Main] <Draw 2> and trash 2 cards in your hand. Then, place this card in the battle area.";
                }

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

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(new DrawClass(card.Owner, 2, activateClass).Draw());

                    if (card.Owner.HandCards.Count >= 1)
                    {
                        int discardCount = Math.Min(2, card.Owner.HandCards.Count);

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

                        selectHandEffect.SetUp(
                            selectPlayer: card.Owner,
                            canTargetCondition: source => source != null,
                            canTargetCondition_ByPreSelecetedList: null,
                            canEndSelectCondition: null,
                            maxCount: discardCount,
                            canNoSelect: false,
                            canEndNotMax: false,
                            isShowOpponent: true,
                            selectCardCoroutine: null,
                            afterSelectCardCoroutine: null,
                            mode: SelectHandEffect.Mode.Discard,
                            cardEffect: activateClass);

                        selectHandEffect.SetUpCustomMessage("Select 2 cards to trash.", "Opponent is selecting 2 cards to trash.");

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

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

            #endregion

            #region Your Turns - Delay

            if(timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("If Opp has 5+ memory, Play a 5- [Titan] from trash", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, true, EffectDescription());
                cardEffects.Add(activateClass);

                string EffectDescription() => "[Your Turn] When any of your [Titan] trait Digimon are played, <Delay>\r\n• If your opponent has 5 or more memory, you may play 1 level 5 or lower Digimon card with the [Titan] trait from your trash without paying the cost.";

                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleArea(card)
                        && CardEffectCommons.IsOwnerTurn(card)
                        && CardEffectCommons.CanDeclareOptionDelayEffect(card)
                        && CardEffectCommons.CanTriggerOnPermanentPlay(hashtable, PermamentCondition);
                }

                bool PermamentCondition(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOwnerBattleAreaDigimon(permanent, card)
                        && permanent.TopCard.EqualsTraits("Titan");
                }

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

                bool CanPlayCondition(CardSource cardSource)
                {
                    return cardSource.IsDigimon
                        && cardSource.HasLevel
                        && cardSource.Level <= 5
                        && cardSource.EqualsTraits("Titan")
                        && CardEffectCommons.CanPlayAsNewPermanent(cardSource, false, activateClass);
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    bool delaySuccessful = false;

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

                    IEnumerator SuccessProcess()
                    {
                        delaySuccessful = true;
                        yield return null;
                    }

                    if (delaySuccessful && card.Owner.MemoryForPlayer <= -5)
                    {
                        int maxCount = Math.Min(1, card.Owner.TrashCards.Count(CanPlayCondition));   

                        SelectCardEffect selectCardEffect = GManager.instance.GetComponent<SelectCardEffect>();

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

                        selectCardEffect.SetUpCustomMessage("Select digimon to play.", "The opponent is selecting a digimon to play.");
                        selectCardEffect.SetUpCustomMessage_ShowCard("Played Card");

                        yield return StartCoroutine(selectCardEffect.Activate());

                        IEnumerator SelectCardCoroutine(CardSource cardSource)
                        {
                            yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.PlayPermanentCards(
                                cardSources: new List<CardSource>() { cardSource },
                                activateClass: activateClass,
                                payCost: false,
                                isTapped: false,
                                root: SelectCardEffect.Root.Trash,
                                activateETB: true));
                        }
                    }
                }
            }

            #endregion

            #region Security

            if (timing == EffectTiming.SecuritySkill)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Play a 4- [Titan] and add this 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 level 4 or lower [Titan] trait Digimon card 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 CanPlayCondition(CardSource cardSource)
                {
                    return cardSource.IsDigimon
                        && cardSource.HasLevel
                        && cardSource.Level <= 4
                        && cardSource.EqualsTraits("Titan")
                        && CardEffectCommons.CanPlayAsNewPermanent(cardSource, false, activateClass);
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    #region Play a Digimon
                    bool canSelectHand = CardEffectCommons.HasMatchConditionOwnersHand(card, CanPlayCondition);
                    bool canSelectTrash = CardEffectCommons.HasMatchConditionOwnersCardInTrash(card, CanPlayCondition);

                    if (canSelectHand || canSelectTrash)
                    {
                        if (canSelectHand && canSelectTrash)
                        {
                            List<SelectionElement<int>> selectionElements1 = new List<SelectionElement<int>>()
                        {
                            new(message: $"From hand", value: 1, spriteIndex: 0),
                            new(message: $"From trash", value: 2, spriteIndex: 1),
                            new(message: $"Don't play", value: 3, spriteIndex: 2),
                        };

                            string selectPlayerMessage1 = "From which area will you play a card?";
                            string notSelectPlayerMessage1 = "The opponent is choosing from which area to select a card.";

                            GManager.instance.userSelectionManager.SetIntSelection(selectionElements: selectionElements1, selectPlayer: card.Owner, selectPlayerMessage: selectPlayerMessage1, notSelectPlayerMessage: notSelectPlayerMessage1);
                        }
                        else
                        {
                            GManager.instance.userSelectionManager.SetInt(canSelectHand ? 1 : 2);
                        }
                        yield return ContinuousController.instance.StartCoroutine(GManager.instance.userSelectionManager.WaitForEndSelect());
                        bool fromHand = GManager.instance.userSelectionManager.SelectedIntValue == 1;
                        bool fromTrash = GManager.instance.userSelectionManager.SelectedIntValue == 2;

                        List<CardSource> selectedCards = new List<CardSource>();
                        IEnumerator SelectCardCoroutine(CardSource cardSource)
                        {
                            selectedCards.Add(cardSource);
                            yield return null;
                        }

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

                            selectHandEffect.SetUp(
                                selectPlayer: card.Owner,
                                canTargetCondition: CanPlayCondition,
                                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 digimon to play", "The opponent is selecting 1 digimon to play");

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

                            if (selectedCards.Count > 0) yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.PlayPermanentCards(
                                selectedCards,
                                activateClass: activateClass,
                                payCost: false,
                                isTapped: false,
                                root: SelectCardEffect.Root.Hand,
                                activateETB: true));
                        }
                        if (fromTrash)
                        {
                            SelectCardEffect selectCardEffect = GManager.instance.GetComponent<SelectCardEffect>();

                            selectCardEffect.SetUp(
                                canTargetCondition: CanPlayCondition,
                                canTargetCondition_ByPreSelecetedList: null,
                                canEndSelectCondition: null,
                                canNoSelect: () => true,
                                selectCardCoroutine: SelectCardCoroutine,
                                afterSelectCardCoroutine: null,
                                message: "Select 1 digimon 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 digimon to play", "The opponent is selecting 1 digimon to play");
                            selectCardEffect.SetUpCustomMessage_ShowCard("Selected Digimon");

                            yield return ContinuousController.instance.StartCoroutine(selectCardEffect.Activate());
                            if (selectedCards.Count > 0) yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.PlayPermanentCards(
                                selectedCards,
                                activateClass: activateClass,
                                payCost: false,
                                isTapped: false,
                                root: SelectCardEffect.Root.Trash,
                                activateETB: true));
                        }
                    }
                    #endregion

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

            #endregion

            return cardEffects;
        }
    }
}