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

// Snatchmon
namespace DCGO.CardEffects.BT18
{
    public class BT18_065 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region When Digivolving
            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Place up to 2 [Vemmon] from trash to digivolution cards.", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[When Digivolving] You may place up to 2 [Vemmon] from your trash under this Digimon as its bottom digivolution cards.";
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    if (cardSource.CardNames.Contains("Vemmon"))
                    {
                        return true;
                    }

                    return false;
                }

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

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

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleArea(card))
                    {
                        if (CardEffectCommons.HasMatchConditionOwnersCardInTrash(card, CanSelectCardCondition))
                        {
                            List<CardSource> selectedCards = new List<CardSource>();

                            int maxCount = Math.Min(2, card.Owner.TrashCards.Count(CanSelectCardCondition));

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

                            selectCardEffect.SetUp(
                                canTargetCondition: CanSelectCardCondition,
                                canTargetCondition_ByPreSelecetedList: null,
                                canEndSelectCondition: CanEndSelectCondition,
                                canNoSelect: () => true,
                                selectCardCoroutine: SelectCardCoroutine,
                                afterSelectCardCoroutine: null,
                                message: "Select [Vemmon] to place on bottom of digivolution cards\n(cards will be placed so that cards with lower numbers are on top).",
                                maxCount: maxCount,
                                canEndNotMax: true,
                                isShowOpponent: true,
                                mode: SelectCardEffect.Mode.Custom,
                                root: SelectCardEffect.Root.Trash,
                                customRootCardList: null,
                                canLookReverseCard: true,
                                selectPlayer: card.Owner,
                                cardEffect: activateClass);

                            selectCardEffect.SetUpCustomMessage_ShowCard("Digivolution Card");
                            selectCardEffect.SetUpCustomMessage("Select [Vemmon] to place on bottom of digivolution cards.", "The opponent is selecting [Vemmon] to place on bottom of digivolution cards.");

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

                            bool CanEndSelectCondition(List<CardSource> cardSources)
                            {
                                if (CardEffectCommons.HasNoElement(cardSources))
                                {
                                    return false;
                                }

                                return true;
                            }

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

                                yield return null;
                            }

                            if (selectedCards.Count >= 1)
                            {
                                yield return ContinuousController.instance.StartCoroutine(card.PermanentOfThisCard().AddDigivolutionCardsBottom(selectedCards, activateClass));
                            }
                        }
                    }
                }
            }
            #endregion

            #region End of Turn
            if (timing == EffectTiming.OnEndTurn)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Digivolve into a Digimon with Vemmon in text.", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, true, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[End of Your Turn] If this Digimon has 4 or more digivolution cards, this Digimon may Digivolve into a Digimon card with [Vemmon] in its text in your hand.";
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleArea(card))
                    {
                        if (card.PermanentOfThisCard().DigivolutionCards.Count >= 4)
                        {
                            return true;
                        }
                    }

                    return false;
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    return (cardSource.IsDigimon && cardSource.HasText("Vemmon"));
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.DigivolveIntoHandOrTrashCard(
                        targetPermanent: card.PermanentOfThisCard(),
                        cardCondition: CanSelectCardCondition,
                        payCost: true,
                        reduceCostTuple: (reduceCost: 0, reduceCostCardCondition: null),
                        fixedCostTuple: null,
                        ignoreDigivolutionRequirementFixedCost: -1,
                        isHand: true,
                        activateClass: activateClass,
                        successProcess: null));
                }
            }
            #endregion

            #region DigiXros from trash
            if (timing == EffectTiming.None)
            {
                AddMaxTrashCountDigiXrosClass addMaxTrashCountDigiXrosClass = new AddMaxTrashCountDigiXrosClass();
                addMaxTrashCountDigiXrosClass.SetUpICardEffect($"Trash cards can be selected for DigiXros", CanUseCondition, card);
                addMaxTrashCountDigiXrosClass.SetUpAddMaxTrashCountDigiXrosClass(getMaxTrashCount: GetCount);
                addMaxTrashCountDigiXrosClass.SetNotShowUI(true);
                cardEffects.Add(addMaxTrashCountDigiXrosClass);

                bool CanSelectPermanentCondition1(Permanent permanent)
                {
                    if (CardEffectCommons.IsPermanentExistsOnOwnerBattleAreaDigimon(permanent, card))
                    {
                        if (!permanent.TopCard.EqualsCardName("Vemmon"))
                        {
                            return true;
                        }
                    }

                    return false;
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.MatchConditionPermanentCount(CanSelectPermanentCondition1) == 0;
                }

                int GetCount(CardSource cardSource)
                {
                    if (cardSource == card)
                    {
                        return 4;
                    }

                    return 0;
                }
            }
            #endregion

            #region DigiXros
            if (timing == EffectTiming.None)
            {
                AddDigiXrosConditionClass addDigiXrosConditionClass = new AddDigiXrosConditionClass();
                addDigiXrosConditionClass.SetUpICardEffect($"DigiXros", CanUseCondition, card);
                addDigiXrosConditionClass.SetUpAddDigiXrosConditionClass(getDigiXrosCondition: GetDigiXros);
                addDigiXrosConditionClass.SetNotShowUI(true);
                cardEffects.Add(addDigiXrosConditionClass);

                bool CanUseCondition(Hashtable hashtable)
                {
                    return true;
                }

                DigiXrosCondition GetDigiXros(CardSource cardSource)
                {
                    if (cardSource == card)
                    {
                        List<DigiXrosConditionElement> elements = new List<DigiXrosConditionElement>();

                        DigiXrosConditionElement element1 = new DigiXrosConditionElement(CanSelectCardCondition1, "Vemmon");

                        bool CanSelectCardCondition1(CardSource cardSource)
                        {
                            return cardSource != null
                                && cardSource.Owner == card.Owner
                                && cardSource.IsDigimon
                                && cardSource.CardNames_DigiXros.Contains("Vemmon");
                        }

                        for (int i = 0; i < 4; i++)
                        {
                            elements.Add(element1);
                        }

                        DigiXrosCondition digiXrosCondition = new DigiXrosCondition(elements, null, 1);

                        return digiXrosCondition;
                    }

                    return null;
                }
            }
            #endregion

            #region ESS - All Turns
            if (timing == EffectTiming.OnDigivolutionCardReturnToDeckBottom)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Unsuspend this Digimon and it gain Blocker", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, false, EffectDiscription());
                activateClass.SetIsInheritedEffect(true);
                activateClass.SetHashString("Unsuspend_BT11_065");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[All Turns][Once Per Turn] When [Vemmon] is returned from this Digimon's digivolution cards at the bottom of its owner's deck, unsuspend this Digimon, and it gains <Blocker> until the end of your opponent's turn.";
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.CanTriggerOnReturnToLibraryBottomDigivolutionCard(hashtable, cardSource => cardSource.CardNames.Contains("Vemmon"), card);
                }

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

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    Permanent selectedPermanent = card.PermanentOfThisCard();

                    yield return ContinuousController.instance.StartCoroutine(new IUnsuspendPermanents(new List<Permanent>() { selectedPermanent }, activateClass).Unsuspend());

                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.GainBlocker(targetPermanent: card.PermanentOfThisCard(), effectDuration: EffectDuration.UntilOpponentTurnEnd, activateClass: activateClass));
                }
            }
            #endregion

            return cardEffects;
        }
    }
}