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

namespace DCGO.CardEffects.BT16
{
    public class BT16_099 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Option Skill

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

                string EffectDiscription()
                {
                    return "[Main] Reveal the top 3 cards of your deck. Add 1 card with the [SoC] trait among them to your hand. Place the remaining cards at the bottom of your deck in any order. Then, place this card in your battle area.";
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    if (cardSource.ContainsTraits("SoC"))
                    {
                        return true;
                    }

                    return false;
                }

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

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    bool added = false;

                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.SimplifiedRevealDeckTopCardsAndSelect(
                        revealCount: 3,
                        simplifiedSelectCardConditions:
                        new SimplifiedSelectCardConditionClass[]
                        {
                        new SimplifiedSelectCardConditionClass(
                            canTargetCondition:CanSelectCardCondition,
                            message: "Select 1 card with the [SoC] trait.",
                            mode: SelectCardEffect.Mode.AddHand,
                            maxCount: 1,
                            selectCardCoroutine: null),
                        },
                        remainingCardsPlace: RemainingCardsPlace.DeckBottom,
                        activateClass: activateClass,
                        revealedCardsCoroutine: RevealedCardsCoroutine
                    ));

                    IEnumerator RevealedCardsCoroutine(List<CardSource> revealedCards)
                    {
                        added = revealedCards.Count(CanSelectCardCondition) >= 1;

                        yield return null;
                    }

                    if (added)
                    {
                        if (card.Owner.HandCards.Count >= 1)
                        {
                            int discardCount = 1;

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

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

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

                    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 card from trash", CanUseCondition, card);
                activateClass.SetUpActivateClass(null, ActivateCoroutine, 1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[Main] You may play 1 card with the [SoC] trait from your trash with the play cost reduced by 2.";
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    if (cardSource.HasPlayCost && cardSource.ContainsTraits("SoC"))
                    {
                        if (CardEffectCommons.CanPlayAsNewPermanent(cardSource: cardSource, payCost: true, cardEffect: activateClass))
                        {
                            return true;
                        }
                    }
                    return false;
                }

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

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

                    IEnumerator SuccessProcess()
                    {
                        List<SelectionElement<bool>> selectionElements = new List<SelectionElement<bool>>()
                        {
                            new SelectionElement<bool>(message: $"Play Card", value : true, spriteIndex: 0),
                            new SelectionElement<bool>(message: $"Not Play Card", value : false, spriteIndex: 1),
                        };

                        string selectPlayerMessage = "Will you play a card from trash?";
                        string notSelectPlayerMessage = "The opponent is deciding to play a card from trash.";

                        GManager.instance.userSelectionManager.SetBoolSelection(selectionElements: selectionElements, selectPlayer: card.Owner, selectPlayerMessage: selectPlayerMessage, notSelectPlayerMessage: notSelectPlayerMessage);

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

                        bool isPlaying = GManager.instance.userSelectionManager.SelectedBoolValue;

                        if (isPlaying)
                        {
                            #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)
                            {
                                return true;
                            }

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

                                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.HasPlayCost)
                                {
                                    if (cardSource.ContainsTraits("SoC"))
                                    {
                                        return true;
                                    }
                                }

                                return false;
                            }

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

                            bool isUpDown()
                            {
                                return true;
                            }

                            #endregion

                            if (card.Owner.TrashCards.Count(CanSelectCardCondition) >= 1)
                            {
                                List<CardSource> selectedCards = new List<CardSource>();

                                int maxCount = 1;

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

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

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

                                yield return StartCoroutine(selectCardEffect.Activate());

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

                                    yield return null;
                                }

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

                            #region Remove Cost effect after use

                            card.Owner.UntilCalculateFixedCostEffect.Remove(getCardEffect);

                            #endregion
                        }
                    }
                }
            }

            #endregion

            #region Security Skill

            if (timing == EffectTiming.SecuritySkill)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect(card.BaseENGCardNameFromEntity, CanUseCondition, card);
                activateClass.SetUpActivateClass(null, ActivateCoroutine, -1, false, EffectDiscription());
                activateClass.SetIsSecurityEffect(true);
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[Main] Reveal the top 3 cards of your deck. Add 1 card with the [SoC] trait among them to your hand. Place the remaining cards at the bottom of your deck in any order. Then, place this card in your battle area.";
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    if (cardSource.ContainsTraits("SoC"))
                    {
                        return true;
                    }

                    return false;
                }

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

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    bool added = false;

                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.SimplifiedRevealDeckTopCardsAndSelect(
                        revealCount: 3,
                        simplifiedSelectCardConditions:
                        new SimplifiedSelectCardConditionClass[]
                        {
                        new SimplifiedSelectCardConditionClass(
                            canTargetCondition:CanSelectCardCondition,
                            message: "Select 1 card with the [SoC] trait.",
                            mode: SelectCardEffect.Mode.AddHand,
                            maxCount: 1,
                            selectCardCoroutine: null),
                        },
                        remainingCardsPlace: RemainingCardsPlace.DeckBottom,
                        activateClass: activateClass,
                        revealedCardsCoroutine: RevealedCardsCoroutine
                    ));

                    IEnumerator RevealedCardsCoroutine(List<CardSource> revealedCards)
                    {
                        added = revealedCards.Count(CanSelectCardCondition) >= 1;

                        yield return null;
                    }

                    if (added)
                    {
                        if (card.Owner.HandCards.Count >= 1)
                        {
                            int discardCount = 1;

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

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

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

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

            #endregion

            return cardEffects;
        }
    }
}