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

// Flame Inferno
namespace DCGO.CardEffects.P
{
    public class P_219 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Reduce Use Cost

            if (timing == EffectTiming.BeforePayCost)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Reduce Use Cost -3", CanUseCondition, card);
                activateClass.SetUpActivateClass(null, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "When this card would be used, if your opponent has 10 or more cards in their trash, reduce the use cost by 3";
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.CanTriggerWhenPermanentWouldPlay(hashtable, cardSource => cardSource == card))
                        return card.Owner.Enemy.TrashCards.Count >= 10;

                    return false;
                }

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

                    ChangeCostClass changeCostClass = new ChangeCostClass();
                    changeCostClass.SetUpICardEffect("Use Cost -3", CanUseCondition1, card);
                    changeCostClass.SetUpChangeCostClass(changeCostFunc: ChangeCost, cardSourceCondition: CardSourceCondition, rootCondition: RootCondition, isUpDown: isUpDown, isCheckAvailability: () => false, isChangePayingCost: () => true);
                    card.Owner.UntilCalculateFixedCostEffect.Add((_timing) => changeCostClass);

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

                    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 -= 3;
                                }
                            }
                        }

                        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;
                    }

                    yield return null;
                }
            }

            #endregion

            #region Main Option Effect

            if (timing == EffectTiming.OptionSkill)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Delete opponent's Digimon. Delete 1 of your own to play [Creepymon] from Trash", CanUseCondition, card);
                activateClass.SetUpActivateClass(null, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[Main] Delete 1 of your opponent's level 6 or lower Digimon. Then, by deleting 1 of your [Evil] or [Fallen Angel] trait Digimon, you may play 1 [Creepymon] from your trash without paying the cost. The Digimon this effect played gains <Rush> and <Blocker> until your opponent's turn ends.";
                }

                bool CanSelectPermanentCondition(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card)
                        && permanent.Level <= 6
                        && permanent.TopCard.HasLevel;
                }

                bool CanSelectPermanentCondition1(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOwnerBattleAreaDigimon(permanent, card)
                        && (permanent.TopCard.EqualsTraits("Evil")
                        || permanent.TopCard.EqualsTraits("Fallen Angel"));
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    return cardSource.EqualsCardName("Creepymon")
                        && CardEffectCommons.CanPlayAsNewPermanent(cardSource, false, activateClass);
                }

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

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {

                    #region Delete 1 lvl 6 or lower

                    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: null,
                            afterSelectPermanentCoroutine: null,
                            mode: SelectPermanentEffect.Mode.Destroy,
                            cardEffect: activateClass);

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

                    #endregion

                    #region By Deleting 1, Play Creepy
                    List<CardSource> selectedTrashCard = new List<CardSource>();
                    if (CardEffectCommons.HasMatchConditionPermanent(CanSelectPermanentCondition1))
                    {
                        List<Permanent> deleteTargetPermanents = new List<Permanent>();

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

                        selectPermanentEffect.SetUp(
                            selectPlayer: card.Owner,
                            canTargetCondition: CanSelectPermanentCondition1,
                            canTargetCondition_ByPreSelecetedList: null,
                            canEndSelectCondition: null,
                            maxCount: 1,
                            canNoSelect: true,
                            canEndNotMax: false,
                            selectPermanentCoroutine: null,
                            afterSelectPermanentCoroutine: AfterSelectPermanentCoroutine,
                            mode: SelectPermanentEffect.Mode.Custom,
                            cardEffect: activateClass);

                        selectPermanentEffect.SetUpCustomMessage("Select 1 Digimon to delete.", "The opponent is selecting 1 Digimon to delete.");

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

                        IEnumerator AfterSelectPermanentCoroutine(List<Permanent> permanents)
                        {
                            deleteTargetPermanents = permanents.Clone();

                            yield return null;
                        }
                        if (deleteTargetPermanents?.Any() == true)
                        {
                            yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.DeletePeremanentAndProcessAccordingToResult(targetPermanents: deleteTargetPermanents, activateClass: activateClass, successProcess: SuccessProcess, failureProcess: null));
                        }
                    }

                    IEnumerator SuccessProcess(List<Permanent> permanents)
                    {
                        if (CardEffectCommons.HasMatchConditionOwnersCardInTrash(card, CanSelectCardCondition))
                        {
                            
                            SelectCardEffect selectCardEffect = GManager.instance.GetComponent<SelectCardEffect>();

                            selectCardEffect.SetUp(
                                canTargetCondition: CanSelectCardCondition,
                                canTargetCondition_ByPreSelecetedList: null,
                                canEndSelectCondition: null,
                                canNoSelect: () => true,
                                selectCardCoroutine: SelectCardCoroutine,
                                afterSelectCardCoroutine: null,
                                message: "Select 1 [Creepymon] 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);

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

                            selectCardEffect.SetUpCustomMessage("Select 1 [Creepymon] to play", "The opponent is selecting 1 [Creepymon] to play");
                            selectCardEffect.SetUpCustomMessage_ShowCard("Selected Card");
                            yield return ContinuousController.instance.StartCoroutine(selectCardEffect.Activate());

                            if (selectedTrashCard != null)
                            {
                                yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.PlayPermanentCards(
                                    cardSources: selectedTrashCard,
                                    activateClass: activateClass,
                                    payCost: false,
                                    isTapped: false,
                                    root: SelectCardEffect.Root.Trash,
                                    activateETB: true));
                            }
                        }
                    }

                    #endregion

                    #region Give Rush and Blocker

                    foreach (CardSource cardSource in selectedTrashCard)
                    {
                        if (CardEffectCommons.IsExistOnBattleArea(cardSource))
                        {
                            Permanent selectedPermanent = cardSource.PermanentOfThisCard();

                            yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.GainRush(
                                targetPermanent: selectedPermanent,
                                effectDuration: EffectDuration.UntilOpponentTurnEnd,
                                activateClass: activateClass));

                            yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.GainBlocker(
                                targetPermanent: selectedPermanent,
                                effectDuration: EffectDuration.UntilOpponentTurnEnd,
                                activateClass: activateClass));
                        }
                    }

                    #endregion
                }
            }

            #endregion

            #region Security Effect

            if (timing == EffectTiming.SecuritySkill)
            {
                CardEffectCommons.AddActivateMainOptionSecurityEffect(
                    card: card,
                    cardEffects: ref cardEffects,
                    effectName: $"Delete opponent's Digimon. Delete 1 of your own to play [Creepymon] from Trash");
            }

            #endregion

            return cardEffects;
        }
    }
}