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

// Ogremon
namespace DCGO.CardEffects.EX9
{
    public class EX9_059 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Alternate Digivolution Requirement

            if (timing == EffectTiming.None)
            {
                static bool PermanentCondition(Permanent targetPermanent)
                {
                    return targetPermanent.TopCard.IsLevel3 &&
                        targetPermanent.TopCard.EqualsTraits("DM");
                }

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

            #endregion

            #region Training

            if (timing == EffectTiming.OnDeclaration)
            {
                cardEffects.Add(CardEffectFactory.TrainingEffect(card: card));
            }

            #endregion

            #region When Digivolving

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Place 1 card in hand FD as bottom source, delete 1 level 4 or lower", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, true, EffectDiscription());
                activateClass.SetHashString("EX9_059_Deletion");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[When Digivolving] [Once Per Turn] By placing 1 card in your hand face down as this Digimon's bottom digivolution card, delete 1 of your opponent's level 4 or lower Digimon.";
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleAreaDigimon(card) &&
                           card.Owner.HandCards.Count > 0;
                }

                bool CanSelectPermanentCondition(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card) &&
                        permanent.Level <= 4;
                }

                bool SelectCardCondition(CardSource source)
                {
                    return true;
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    CardSource selectedCard = null;

                    SelectHandEffect selectHandEffect = GManager.instance.GetComponent<SelectHandEffect>();
                    selectHandEffect.SetUp(
                        selectPlayer: card.Owner,
                        canTargetCondition: SelectCardCondition,
                        canTargetCondition_ByPreSelecetedList: null,
                        canEndSelectCondition: null,
                        maxCount: 1,
                        canNoSelect: true,
                        canEndNotMax: true,
                        isShowOpponent: true,
                        selectCardCoroutine: SelectCardCoroutine,
                        afterSelectCardCoroutine: null,
                        mode: SelectHandEffect.Mode.Custom,
                        cardEffect: activateClass);

                    yield return StartCoroutine(selectHandEffect.Activate());

                    IEnumerator SelectCardCoroutine(CardSource cardSource)
                    {
                        selectedCard = cardSource;
                        yield return null;
                    }

                    if (selectedCard != null)
                    {
                        yield return ContinuousController.instance.StartCoroutine(CardObjectController.AddExecutingCard(selectedCard));
                        yield return ContinuousController.instance.StartCoroutine(card.PermanentOfThisCard().AddDigivolutionCardsBottom(new List<CardSource>() { selectedCard }, activateClass, isFacedown: true));

                        if (CardEffectCommons.HasMatchConditionPermanent(CanSelectPermanentCondition))
                        {
                            SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();

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

                            selectPermanentEffect.SetUpCustomMessage("Select 1 digimon to delete.", "The opponent is selecting 1 digimon to delete.");
                            yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());
                        }
                    }
                }
            }

            #endregion

            #region When Attacking

            if (timing == EffectTiming.OnAllyAttack)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Place 1 card in hand FD as bottom source, delete 1 level 4 or lower", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, true, EffectDiscription());
                activateClass.SetHashString("EX9_059_Deletion");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[When Attacking] [Once Per Turn] By placing 1 card in your hand face down as this Digimon's bottom digivolution card, delete 1 of your opponent's level 4 or lower Digimon.";
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleAreaDigimon(card) &&
                           card.Owner.HandCards.Count > 0;
                }

                bool CanSelectPermanentCondition(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card) &&
                        permanent.Level <= 4;
                }

                bool SelectCardCondition(CardSource source)
                {
                    return true;
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    CardSource selectedCard = null;

                    SelectHandEffect selectHandEffect = GManager.instance.GetComponent<SelectHandEffect>();
                    selectHandEffect.SetUp(
                        selectPlayer: card.Owner,
                        canTargetCondition: SelectCardCondition,
                        canTargetCondition_ByPreSelecetedList: null,
                        canEndSelectCondition: null,
                        maxCount: 1,
                        canNoSelect: true,
                        canEndNotMax: true,
                        isShowOpponent: true,
                        selectCardCoroutine: SelectCardCoroutine,
                        afterSelectCardCoroutine: null,
                        mode: SelectHandEffect.Mode.Custom,
                        cardEffect: activateClass);

                    yield return StartCoroutine(selectHandEffect.Activate());

                    IEnumerator SelectCardCoroutine(CardSource cardSource)
                    {
                        selectedCard = cardSource;
                        yield return null;
                    }

                    if (selectedCard != null)
                    {
                        yield return ContinuousController.instance.StartCoroutine(CardObjectController.AddExecutingCard(selectedCard));
                        yield return ContinuousController.instance.StartCoroutine(card.PermanentOfThisCard().AddDigivolutionCardsBottom(new List<CardSource>() { selectedCard }, activateClass, isFacedown: true));

                        if (CardEffectCommons.HasMatchConditionPermanent(CanSelectPermanentCondition))
                        {
                            SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();

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

                            selectPermanentEffect.SetUpCustomMessage("Select 1 digimon to delete.", "The opponent is selecting 1 digimon to delete.");
                            yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());
                        }
                    }
                }
            }

            #endregion

            #region ESS

            if (timing == EffectTiming.OnAllyAttack)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Draw 1, Trash 1", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, false, EffectDiscription());
                activateClass.SetHashString("EX9_059_ESS");
                activateClass.SetIsInheritedEffect(true);
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[When Attacking] [Once Per Turn] <Draw 1> (Draw 1 card from your deck) and trash 1 card in your hand.";
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleAreaDigimon(card);
                }

                bool CanSelectCard(CardSource source)
                {
                    return true;
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(new DrawClass(card.Owner, 1, activateClass).Draw());
                    if (card.Owner.HandCards.Count >= 1)
                    {
                        SelectHandEffect selectHandEffect = GManager.instance.GetComponent<SelectHandEffect>();

                        selectHandEffect.SetUp(
                            selectPlayer: card.Owner,
                            canTargetCondition: CanSelectCard,
                            canTargetCondition_ByPreSelecetedList: null,
                            canEndSelectCondition: null,
                            maxCount: 1,
                            canNoSelect: false,
                            canEndNotMax: false,
                            isShowOpponent: true,
                            selectCardCoroutine: null,
                            afterSelectCardCoroutine: null,
                            mode: SelectHandEffect.Mode.Discard,
                            cardEffect: activateClass);

                        yield return StartCoroutine(selectHandEffect.Activate());
                    }
                }
            }

            #endregion

            return cardEffects;
        }
    }
}