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

//BT21_068 growlmon
namespace DCGO.CardEffects.BT21
{
    public class BT21_068 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region alternative digivolution requirement
            if (timing == EffectTiming.None)
            {
                bool PermanentCondition(Permanent permanent)
                {
                    return permanent.Level == 3 && permanent.TopCard.ContainsCardName("Guilmon");
                }

                cardEffects.Add(CardEffectFactory.AddSelfDigivolutionRequirementStaticEffect(
                    permanentCondition: PermanentCondition, 
                    digivolutionCost: 2, 
                    ignoreDigivolutionRequirement: false, 
                    card: card, 
                    condition: null));
            }
            #endregion

            #region on-play/when-digivolving shared
            bool CanActivateConditionShared(Hashtable hashtable)
            {
                return CardEffectCommons.IsExistOnBattleAreaDigimon(card);
            }
            #endregion

            #region On Play
            if(timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Delete 4k or mill 2", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateConditionShared, ActivateCoroutine, -1, false, EffectDescription());
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return "[On Play] Delete 1 of your opponent's Digimon with 4000 DP or less. If this effect didn't delete, trash the top 2 cards of your deck.";
                }

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

                bool CanTarget(Permanent permanent)
                {
                    if (CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card))
                    {
                        return permanent.DP <= card.Owner.MaxDP_DeleteEffect(4000, activateClass);
                    }
                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    List<Permanent> deleteTargetPermanents = new List<Permanent>();

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

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

                        selectPermanentEffect.SetUp(
                            selectPlayer: card.Owner,
                            canTargetCondition: CanTarget,
                            canTargetCondition_ByPreSelecetedList: null,
                            canEndSelectCondition: null,
                            maxCount: maxCount,
                            canNoSelect: false,
                            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;
                        }
                    }

                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.DeletePeremanentAndProcessAccordingToResult(targetPermanents: deleteTargetPermanents, activateClass: activateClass, successProcess: null, failureProcess: FailureProcess));

                    IEnumerator FailureProcess()
                    {
                        if (card.Owner.LibraryCards.Count >= 1)
                        {
                            yield return ContinuousController.instance.StartCoroutine(new IAddTrashCardsFromLibraryTop(2, card.Owner, activateClass).AddTrashCardsFromLibraryTop());
                        }
                    }
                }
            }
            #endregion

            #region When Digivolving
            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Delete 4k or mill 2", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateConditionShared, ActivateCoroutine, -1, false, EffectDescription());
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return "[When Digivolving] Delete 1 of your opponent's Digimon with 4000 DP or less. If this effect didn't delete, trash the top 2 cards of your deck.";
                }

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

                bool CanTarget(Permanent permanent)
                {
                    if (CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card))
                    {
                        return permanent.DP <= card.Owner.MaxDP_DeleteEffect(4000, activateClass);
                    }
                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    List<Permanent> deleteTargetPermanents = new List<Permanent>();

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

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

                        selectPermanentEffect.SetUp(
                            selectPlayer: card.Owner,
                            canTargetCondition: CanTarget,
                            canTargetCondition_ByPreSelecetedList: null,
                            canEndSelectCondition: null,
                            maxCount: maxCount,
                            canNoSelect: false,
                            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;
                        }
                    }

                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.DeletePeremanentAndProcessAccordingToResult(targetPermanents: deleteTargetPermanents, activateClass: activateClass, successProcess: null, failureProcess: FailureProcess));

                    IEnumerator FailureProcess()
                    {
                        if (card.Owner.LibraryCards.Count >= 1)
                        {
                            yield return ContinuousController.instance.StartCoroutine(new IAddTrashCardsFromLibraryTop(2, card.Owner, activateClass).AddTrashCardsFromLibraryTop());
                        }
                    }
                }
            }
            #endregion

            #region On Deletion inherit
            if (timing == EffectTiming.OnDestroyedAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Memory +1", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDescription());
                activateClass.SetIsInheritedEffect(true);
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return "[On Deletion] Gain 1 memory.";
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.CanActivateOnDeletion(card, activateClass))
                    {
                        if (card.Owner.CanAddMemory(activateClass))
                        {
                            return true;
                        }
                    }

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(card.Owner.AddMemory(1, activateClass));
                }
            }
            #endregion

            return cardEffects;
        }
    }
}