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

namespace DCGO.CardEffects.BT13
{
    public class BT13_103 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            if (timing == EffectTiming.BeforePayCost)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Delete 1 Digimon to reduce Play Cost", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, true, EffectDiscription());
                activateClass.SetHashString("DeleteDigimon_BT13_103");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[Your Turn] When a card with [Belphemon] in its name would be played, by deleting 1 of your Digimon with [Gizmon] in its name, reduce the play cost by the play cost of the deleted Digimon.";
                }

                bool CanSelectPermanentCondition(Permanent permanent)
                {
                    if (CardEffectCommons.IsPermanentExistsOnOwnerBattleAreaDigimon(permanent, card))
                    {
                        if (permanent.TopCard.ContainsCardName("Gizmon"))
                        {
                            if (!permanent.TopCard.CanNotBeAffected(activateClass))
                            {
                                if (permanent.CanBeDestroyedBySkill(activateClass))
                                {
                                    return true;
                                }
                            }
                        }
                    }

                    return false;
                }

                bool CardCondition(CardSource cardSource)
                {
                    return cardSource.ContainsCardName("Belphemon");
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.CanTriggerWhenPermanentWouldPlay(hashtable, CardCondition))
                    {
                        if (CardEffectCommons.IsOwnerTurn(card))
                        {
                            return true;
                        }
                    }

                    return false;
                }

                bool CanActivateCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleArea(card))
                    {
                        if (CardEffectCommons.HasMatchConditionPermanent(CanSelectPermanentCondition))
                        {
                            return true;
                        }
                    }

                    return false;
                }

                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: true,
                            canEndNotMax: false,
                            selectPermanentCoroutine: SelectPermanentCoroutine,
                            afterSelectPermanentCoroutine: null,
                            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 SelectPermanentCoroutine(Permanent permanent)
                        {
                            yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.DeletePeremanentAndProcessAccordingToResult(
                                targetPermanents: new List<Permanent>() { permanent },
                                activateClass: activateClass,
                                successProcess: permanents => SuccessProcess(),
                                failureProcess: null));

                            IEnumerator SuccessProcess()
                            {
                                int reduceCost = permanent.CostJustBeforeRemoveField;

                                if (reduceCost <= 0) yield break;

                                ContinuousController.instance.PlaySE(GManager.instance.GetComponent<Effects>().BuffSE);

                                ChangeCostClass changeCostClass = new ChangeCostClass();
                                changeCostClass.SetUpICardEffect($"Play Cost -{reduceCost}", 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 -= reduceCost;
                                            }
                                        }
                                    }

                                    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 != null;
                                }

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

                                bool isUpDown()
                                {
                                    return true;
                                }
                            }
                        }
                    }
                }
            }

            if (timing == EffectTiming.None)
            {
                ChangeCostClass changeCostClass = new ChangeCostClass();
                changeCostClass.SetUpICardEffect("Reduce Play Cost", 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.isYou && GManager.instance.IsAI)
                    {
                        return false;
                    }

                    if (CardEffectCommons.IsExistOnBattleArea(card))
                    {
                        if (CardEffectCommons.IsOwnerTurn(card))
                        {
                            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 reduceCost = 0;

                                ICardEffect activateClass = card.EffectList(EffectTiming.BeforePayCost).Find(cardEffect => cardEffect.HashString == "DeleteDigimon_BT13_103");

                                bool CanSelectPermanentCondition(Permanent permanent)
                                {
                                    if (CardEffectCommons.IsPermanentExistsOnOwnerBattleAreaDigimon(permanent, card))
                                    {
                                        if (permanent.TopCard.ContainsCardName("Gizmon"))
                                        {
                                            if (permanent.CanBeDestroyedBySkill(activateClass))
                                            {
                                                if (!permanent.TopCard.CanNotBeAffected(activateClass))
                                                {
                                                    if (permanent.TopCard.HasPlayCost)
                                                    {
                                                        if (permanent.TopCard.GetCostItself >= 1)
                                                        {
                                                            return true;
                                                        }
                                                    }
                                                }
                                            }
                                        }
                                    }

                                    return false;
                                }

                                List<int> gizmonCosts = card.Owner.GetBattleAreaDigimons()
                                .Filter(CanSelectPermanentCondition)
                                .Map(permanent => permanent.TopCard.GetCostItself);

                                if (gizmonCosts.Count >= 1)
                                {
                                    reduceCost = gizmonCosts.Max();
                                }
                                Cost -= reduceCost;
                            }
                        }
                    }

                    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.ContainsCardName("Belphemon");
                }

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

                bool isUpDown()
                {
                    return true;
                }
            }

            if (timing == EffectTiming.OnEndTurn)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Draw 1, trash 1 card from hand and Delete Digimon", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, false, EffectDiscription());
                activateClass.SetHashString("Draw1_BT13_103");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[End of Opponent's Turn][Once Per Turn] <Draw 1> and trash 1 card in your hand. Then, by placing this Tamer as the bottom digivolution card of 1 of your Digimon with [Belphemon] in its name, delete 1 of your opponent's level 6 Digimon.";
                }

                bool CanSelectPermanentCondition(Permanent permanent)
                {
                    if (CardEffectCommons.IsPermanentExistsOnOwnerBattleAreaDigimon(permanent, card))
                    {
                        if (permanent != card.PermanentOfThisCard())
                        {
                            if (permanent.TopCard.ContainsCardName("Belphemon"))
                            {
                                if (!permanent.IsToken)
                                {
                                    return true;
                                }
                            }
                        }
                    }

                    return false;
                }

                bool CanSelectPermanentCondition1(Permanent permanent)
                {
                    if (CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card))
                    {
                        if (permanent.Level == 6)
                        {
                            if (permanent.TopCard.HasLevel)
                            {
                                return true;
                            }
                        }
                    }

                    return false;
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleArea(card))
                    {
                        if (CardEffectCommons.IsOpponentTurn(card))
                        {
                            return true;
                        }
                    }

                    return false;
                }

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

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(new DrawClass(card.Owner, 1, activateClass).Draw());

                    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());
                    }

                    bool digivolutionCardAdded = false;

                    if (CardEffectCommons.IsExistOnBattleArea(card))
                    {
                        if (!card.PermanentOfThisCard().IsToken)
                        {
                            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: true,
                                    canEndNotMax: false,
                                    selectPermanentCoroutine: SelectPermanentCoroutine,
                                    afterSelectPermanentCoroutine: null,
                                    mode: SelectPermanentEffect.Mode.Custom,
                                    cardEffect: activateClass);

                                selectPermanentEffect.SetUpCustomMessage("Select 1 Digimon that will get digivolution cards.", "The opponent is selecting 1 Digimon that will get digivolution cards.");

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

                                IEnumerator SelectPermanentCoroutine(Permanent permanent)
                                {
                                    Permanent oldThisCardPermanent = card.PermanentOfThisCard();

                                    CardSource topCard = oldThisCardPermanent.TopCard;

                                    yield return ContinuousController.instance.StartCoroutine(new IPlacePermanentToDigivolutionCards(new List<Permanent[]>() { new Permanent[] { oldThisCardPermanent, permanent } }, false, activateClass).PlacePermanentToDigivolutionCards());

                                    if (oldThisCardPermanent.TopCard == null && CardEffectCommons.IsExistOnBattleArea(card))
                                    {
                                        if (permanent.DigivolutionCards.Contains(topCard))
                                        {
                                            digivolutionCardAdded = true;
                                        }
                                    }
                                }
                            }
                        }
                    }

                    if (digivolutionCardAdded)
                    {
                        if (CardEffectCommons.HasMatchConditionPermanent(CanSelectPermanentCondition1))
                        {
                            int maxCount = Math.Min(1, CardEffectCommons.MatchConditionPermanentCount(CanSelectPermanentCondition1));

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

                            selectPermanentEffect.SetUp(
                                selectPlayer: card.Owner,
                                canTargetCondition: CanSelectPermanentCondition1,
                                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());
                        }
                    }
                }
            }

            if (timing == EffectTiming.SecuritySkill)
            {
                cardEffects.Add(CardEffectFactory.PlaySelfTamerSecurityEffect(card));
            }

            return cardEffects;
        }
    }
}