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

namespace DCGO.CardEffects.BT14
{
    public class BT14_098 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            if (timing == EffectTiming.OptionSkill)
            {
                int maxCost = 6;

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

                string EffectDiscription()
                {
                    return "[Main] <De-Digivolve 1> 1 of your opponent's Digimon. Then, by returning 3 cards with the [D-Brigade] or [DigiPolice] trait from your trash to the top of the deck, delete up to 6 play cost's total worth of your opponent's Digimon.";
                }

                bool CanSelectPermanentCondition(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card);
                }

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

                    if (cardSource.CardTraits.Contains("DigiPolice"))
                    {
                        return true;
                    }

                    return false;
                }

                bool CanSelectPermanentCondition1(Permanent permanent)
                {
                    if (CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card))
                    {
                        if (permanent.TopCard.GetCostItself <= maxCost)
                        {
                            if (permanent.TopCard.HasPlayCost)
                            {
                                return true;
                            }
                        }
                    }

                    return false;
                }

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

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    if (CardEffectCommons.HasMatchConditionPermanent(CanSelectPermanentCondition))
                    {
                        int maxCount = Math.Min(1, CardEffectCommons.MatchConditionPermanentCount(CanSelectPermanentCondition));

                        SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();

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

                        selectPermanentEffect.SetUpCustomMessage("Select 1 Digimon to De-Digivolve.", "The opponent is selecting 1 Digimon to De-Digivolve.");
                        yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());

                        IEnumerator SelectPermanentCoroutine(Permanent permanent)
                        {
                            Permanent selectedPermanent = permanent;

                            yield return ContinuousController.instance.StartCoroutine(new IDegeneration(selectedPermanent, 1, activateClass).Degeneration());
                        }
                    }

                    bool returned = false;

                    if (card.Owner.TrashCards.Count(CanSelectCardCondition) >= 3)
                    {
                        int maxCount = 3;

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

                        selectCardEffect.SetUp(
                        canTargetCondition: (cardSource) => CanSelectCardCondition(cardSource),
                        canTargetCondition_ByPreSelecetedList: null,
                        canEndSelectCondition: null,
                        canNoSelect: () => true,
                        selectCardCoroutine: null,
                        afterSelectCardCoroutine: AfterSelectCardCoroutine,
                        message: "Select cards to place at the top of the 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: false,
                        mode: SelectCardEffect.Mode.Custom,
                        root: SelectCardEffect.Root.Trash,
                        customRootCardList: null,
                        canLookReverseCard: true,
                        selectPlayer: card.Owner,
                        cardEffect: activateClass);

                        selectCardEffect.SetNotAddLog();
                        selectCardEffect.SetUpCustomMessage_ShowCard("Deck Top Cards");

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

                        IEnumerator AfterSelectCardCoroutine(List<CardSource> cardSources)
                        {
                            if (cardSources.Count == 3)
                            {
                                cardSources.Reverse();

                                yield return ContinuousController.instance.StartCoroutine(CardObjectController.AddLibraryTopCards(cardSources));
                                returned = true;
                            }
                        }
                    }

                    if (returned)
                    {
                        if (card.Owner.Enemy.GetBattleAreaPermanents().Count(CanSelectPermanentCondition1) >= 1)
                        {
                            int maxCount = card.Owner.Enemy.GetBattleAreaPermanents().Count(CanSelectPermanentCondition1);

                            SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();

                            selectPermanentEffect.SetUp(
                                selectPlayer: card.Owner,
                                canTargetCondition: CanSelectPermanentCondition1,
                                canTargetCondition_ByPreSelecetedList: CanTargetCondition_ByPreSelecetedList,
                                canEndSelectCondition: CanEndSelectCondition,
                                maxCount: maxCount,
                                canNoSelect: false,
                                canEndNotMax: true,
                                selectPermanentCoroutine: null,
                                afterSelectPermanentCoroutine: null,
                                mode: SelectPermanentEffect.Mode.Destroy,
                                cardEffect: activateClass);

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

                            bool CanEndSelectCondition(List<Permanent> permanents)
                            {
                                if (permanents.Count <= 0)
                                {
                                    return false;
                                }

                                int sumCost = 0;

                                foreach (Permanent permanent1 in permanents)
                                {
                                    sumCost += permanent1.TopCard.GetCostItself;
                                }

                                if (sumCost > maxCost)
                                {
                                    return false;
                                }

                                return true;
                            }

                            bool CanTargetCondition_ByPreSelecetedList(List<Permanent> permanents, Permanent permanent)
                            {
                                int sumCost = 0;

                                foreach (Permanent permanent1 in permanents)
                                {
                                    sumCost += permanent1.TopCard.GetCostItself;
                                }

                                sumCost += permanent.TopCard.GetCostItself;

                                if (sumCost > maxCost)
                                {
                                    return false;
                                }

                                return true;
                            }
                        }
                    }
                }
            }

            if (timing == EffectTiming.SecuritySkill)
            {
                CardEffectCommons.AddActivateMainOptionSecurityEffect(card: card, cardEffects: ref cardEffects, effectName: $"De-Digivolve 1 on 1 Digimon and return cards from trash to deck top to delete Digimon");
            }

            return cardEffects;
        }
    }
}