using Photon.Pun;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;

namespace DCGO.CardEffects.BT16
{
    public class BT16_065 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            bool HasBossTraitInPlay(Permanent permanent)
            {
                if (CardEffectCommons.IsPermanentExistsOnBattleArea(permanent))
                {
                    if (permanent.IsDigimon)
                    {
                        if (permanent.TopCard.CardTraits.Contains("Boss"))
                        {
                            return true;
                        }
                    }
                }

                return false;
            }

            bool CanSelectDBrigadeCondition(CardSource cardSource)
            {
                return cardSource.CardTraits.Contains("D-Brigade");
            }

            #region Before Pay Cost - Condition Effect

            if (timing == EffectTiming.BeforePayCost)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Return 6 [D-Brigade] to get Play Cost -6", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                activateClass.SetHashString("PlayCost-12_BT16_065");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "When this card would be played, if there is a Digimon with the [Boss] trait, reduce the play cost by 6. By returning 6 cards with the [D-Brigade] trait from your trash to the top of the deck, reduce the play cost by 6.";
                }

                bool CardCondition(CardSource cardSource)
                {
                    if (cardSource == card)
                    {
                        if (CardEffectCommons.IsExistOnHand(cardSource))
                        {
                            return true;
                        }
                    }

                    return false;
                }

                bool CanNoSelect(CardSource cardSource)
                {
                    if (cardSource != null)
                    {
                        if (cardSource.PayingCost(SelectCardEffect.Root.Hand, null, checkAvailability: false) > cardSource.Owner.MaxMemoryCost)
                        {
                            return false;
                        }
                    }

                    return true;
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.CanTriggerWhenPermanentWouldPlay(hashtable, CardCondition);
                }

                bool CanActivateCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnHand(card))
                    {
                        if (CardEffectCommons.MatchConditionOwnersCardCountInTrash(card, CanSelectDBrigadeCondition) >= 6)
                        {
                            return true;
                        }

                        if (CardEffectCommons.HasMatchConditionPermanent(HasBossTraitInPlay))
                        {
                            return true;
                        }
                    }

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    List<CardSource> selectedCards = new List<CardSource>();

                    if (CardEffectCommons.MatchConditionOwnersCardCountInTrash(card, CanSelectDBrigadeCondition) >= 6)
                    {
                        bool noSelect = CanNoSelect(CardEffectCommons.GetCardFromHashtable(_hashtable));

                        int maxCount = 6;

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

                        selectCardEffect.SetUp(
                            canTargetCondition: CanSelectDBrigadeCondition,
                            canTargetCondition_ByPreSelecetedList: null,
                            canEndSelectCondition: null,
                            canNoSelect: () => noSelect,
                            selectCardCoroutine: SelectCardCoroutine,
                            afterSelectCardCoroutine: null,
                            message: "Select cards to add to the top your deck\n(cards will be placed back to the top of the deck so that cards with lower numbers are on top).",
                            maxCount: maxCount,
                            canEndNotMax: false,
                            isShowOpponent: true,
                            mode: SelectCardEffect.Mode.Custom,
                            root: SelectCardEffect.Root.Trash,
                            customRootCardList: null,
                            canLookReverseCard: true,
                            selectPlayer: card.Owner,
                            cardEffect: activateClass);

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

                        IEnumerator SelectCardCoroutine(CardSource cardSource)
                        {
                            selectedCards.Add(cardSource);
                            yield return null;
                        }

                        if (selectedCards.Count == 6)
                        {
                            selectedCards.Reverse();
                            yield return ContinuousController.instance.StartCoroutine(CardObjectController.AddLibraryTopCards(selectedCards));
                        }
                    }

                    if (card.Owner.CanReduceCost(null, card))
                    {
                        ContinuousController.instance.PlaySE(GManager.instance.GetComponent<Effects>().BuffSE);
                    }

                    ChangeCostClass changeCostClass = new ChangeCostClass();
                    changeCostClass.SetUpICardEffect("Play Cost -1", CanUseCondition1, card);
                    changeCostClass.SetUpChangeCostClass(changeCostFunc: ChangeCost, cardSourceCondition: CardSourceCondition, rootCondition: RootCondition, isUpDown: isUpDown, isCheckAvailability: () => false, isChangePayingCost: () => true);
                    card.Owner.UntilCalculateFixedCostEffect.Add((_timing) => changeCostClass);

                    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))
                                {
                                    int targetCost = 0;

                                    if (CardEffectCommons.HasMatchConditionPermanent(HasBossTraitInPlay))
                                        targetCost += 6;

                                    if (selectedCards.Count >= 6)
                                        targetCost += 6;

                                    Cost -= targetCost;
                                }
                            }
                        }

                        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)
                    {
                        return cardSource == card;
                    }

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

                    bool isUpDown()
                    {
                        return true;
                    }

                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.ShowReducedCost(_hashtable));
                }
            }

            #endregion

            #region Reduce Play Cost - Not Shown

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

                bool CanUseCondition(Hashtable hashtable)
                {
                    if (card.Owner.HandCards.Contains(card))
                    {
                        ICardEffect activateClass = card.EffectList(EffectTiming.BeforePayCost).Find(cardEffect => cardEffect.EffectName == "Return 6 [D-Brigade] to get Play Cost -6");

                        if (activateClass != null)
                        {
                            if (CardEffectCommons.MatchConditionOwnersCardCountInTrash(card, CanSelectDBrigadeCondition) >= 6)
                            {
                                return true;
                            }

                            if (CardEffectCommons.HasMatchConditionPermanent(HasBossTraitInPlay))
                            {
                                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))
                            {
                                int trashCount = CardEffectCommons.MatchConditionOwnersCardCountInTrash(card, CanSelectDBrigadeCondition);
                                int targetCount = 0;

                                if (trashCount >= 6)
                                    targetCount += 6;

                                if (CardEffectCommons.HasMatchConditionPermanent(HasBossTraitInPlay))
                                    targetCount += 6;

                                Cost -= targetCount;
                            }
                        }
                    }

                    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 != null)
                    {
                        if (cardSource == card)
                        {
                            return true;
                        }
                    }

                    return false;
                }

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

                bool isUpDown()
                {
                    return true;
                }
            }

            #endregion

            #region On Play

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Reveal top 3, then delete 1 digimon.", 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. Delete 1 of your opponent's Digimon with play cost less than or equal to the play cost of 1 of the cards among them. Trash the revealed cards.";
                }

                bool RevealSelectCardCondition(CardSource cardSource)
                {
                    if (cardSource.IsDigimon)
                    {
                        if (cardSource.HasPlayCost)
                        {
                            return true;
                        }
                    }

                    return false;
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleAreaDigimon(card))
                    {
                        if (card.Owner.LibraryCards.Count >= 1)
                        {
                            return true;
                        }
                    }

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    int costDeletion = 0;

                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.SimplifiedRevealDeckTopCardsAndSelect(
                        revealCount: 3,
                        simplifiedSelectCardConditions:
                        new SimplifiedSelectCardConditionClass[]
                        {
                            new SimplifiedSelectCardConditionClass(
                                canTargetCondition:RevealSelectCardCondition,
                                message: "Select Play cost to use",
                                mode: SelectCardEffect.Mode.Custom,
                                maxCount: 1,
                                selectCardCoroutine: SelectCardCoroutine)
                        },
                        remainingCardsPlace: RemainingCardsPlace.Trash,
                        activateClass: activateClass,
                        isSendAllCardsToSamePlace: true
                    ));

                    IEnumerator SelectCardCoroutine(CardSource cardSource)
                    {
                        costDeletion = cardSource.GetCostItself;
                        yield return null;
                    }

                    if (CardEffectCommons.HasMatchConditionOpponentsPermanent(card, CanSelectPermanentCondition))
                    {
                        SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();

                        selectPermanentEffect.SetUp(
                            selectPlayer: card.Owner,
                            canTargetCondition: CanSelectPermanentCondition,
                            canTargetCondition_ByPreSelecetedList: null,
                            canEndSelectCondition: null,
                            maxCount: 1,
                            canNoSelect: false,
                            canEndNotMax: false,
                            selectPermanentCoroutine: null,
                            afterSelectPermanentCoroutine: null,
                            mode: SelectPermanentEffect.Mode.Destroy,
                            cardEffect: activateClass);

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

                    bool CanSelectPermanentCondition(Permanent permanent)
                    {
                        if (CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card))
                        {
                            if (permanent.TopCard.HasPlayCost)
                            {
                                if (permanent.TopCard.GetCostItself <= costDeletion)
                                {
                                    return true;
                                }
                            }
                        }

                        return false;
                    }

                    yield return null;
                }
            }

            #endregion

            #region When Digivolving

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Reveal top 3, then delete 1 digimon.", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[When Digivolving] Reveal the top 3 cards of your deck. Delete 1 of your opponent's Digimon with play cost less than or equal to the play cost of 1 of the cards among them. Trash the revealed cards.";
                }

                bool RevealSelectCardCondition(CardSource cardSource)
                {
                    if (cardSource.IsDigimon)
                    {
                        if (cardSource.HasPlayCost)
                        {
                            return true;
                        }
                    }

                    return false;
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleAreaDigimon(card))
                    {
                        if (card.Owner.LibraryCards.Count >= 1)
                        {
                            return true;
                        }
                    }

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    int costDeletion = 0;

                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.SimplifiedRevealDeckTopCardsAndSelect(
                        revealCount: 3,
                        simplifiedSelectCardConditions:
                        new SimplifiedSelectCardConditionClass[]
                        {
                            new SimplifiedSelectCardConditionClass(
                                canTargetCondition:RevealSelectCardCondition,
                                message: "Select Play cost to use",
                                mode: SelectCardEffect.Mode.Custom,
                                maxCount: 1,
                                selectCardCoroutine: SelectCardCoroutine)
                        },
                        remainingCardsPlace: RemainingCardsPlace.Trash,
                        activateClass: activateClass,
                        isSendAllCardsToSamePlace: true
                    ));

                    IEnumerator SelectCardCoroutine(CardSource cardSource)
                    {
                        costDeletion = cardSource.GetCostItself;
                        yield return null;
                    }

                    if (CardEffectCommons.HasMatchConditionOpponentsPermanent(card, CanSelectPermanentCondition))
                    {
                        SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();

                        selectPermanentEffect.SetUp(
                            selectPlayer: card.Owner,
                            canTargetCondition: CanSelectPermanentCondition,
                            canTargetCondition_ByPreSelecetedList: null,
                            canEndSelectCondition: null,
                            maxCount: 1,
                            canNoSelect: false,
                            canEndNotMax: false,
                            selectPermanentCoroutine: null,
                            afterSelectPermanentCoroutine: null,
                            mode: SelectPermanentEffect.Mode.Destroy,
                            cardEffect: activateClass);

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

                    bool CanSelectPermanentCondition(Permanent permanent)
                    {
                        if (CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card))
                        {
                            if (permanent.TopCard.HasPlayCost)
                            {
                                if (permanent.TopCard.GetCostItself <= costDeletion)
                                {
                                    return true;
                                }
                            }
                        }

                        return false;
                    }

                    yield return null;
                }
            }

            #endregion

            #region End of Turn

            if (timing == EffectTiming.OnEndTurn)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("DNA digivolve into [Chaosmon]", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, true, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[End of Your Turn] 2 of your Digimon may DNA digivolve into a [Chaosmon] in your hand.";
                }

                bool CanSelectDNACardCondition(CardSource cardSource)
                {
                    if (cardSource.IsDigimon)
                    {
                        if (cardSource.CanPlayJogress(true))
                        {
                            if (cardSource.CardNames.Contains("Chaosmon"))
                            {
                                return true;
                            }
                        }
                    }

                    return false;
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    if (!CardEffectCommons.IsOwnerTurn(card))
                        return false;

                    if (card.Owner.GetBattleAreaDigimons().Count < 2)
                        return false;

                    if (card.Owner.HandCards.Count(CanSelectDNACardCondition) < 1)
                        return false;

                    return true;
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(
                             CardEffectCommons.DNADigivolvePermanentsIntoHandOrTrashCard(
                                 CanSelectDNACardCondition,
                                 payCost: true,
                                 isHand: true,
                                 activateClass
                             ));
                }
            }

            #endregion

            return cardEffects;
        }
    }
}