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

namespace DCGO.CardEffects.EX2
{
    public class EX2_040 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            if (timing == EffectTiming.OnDestroyedAnyone)
            {
                cardEffects.Add(CardEffectFactory.RetaliationSelfEffect(isInheritedEffect: false, card: card, condition: null));
            }

            if (timing == EffectTiming.OnAllyAttack)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Trash 2 cards from deck top", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, true, EffectDiscription());
                activateClass.SetIsInheritedEffect(true);
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[When Attacking] You may trash the top 2 cards of your deck.";
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleArea(card))
                    {
                        if (card.Owner.LibraryCards.Count >= 1)
                        {
                            return true;
                        }
                    }

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleArea(card))
                    {
                        yield return ContinuousController.instance.StartCoroutine(new IAddTrashCardsFromLibraryTop(2, card.Owner, activateClass).AddTrashCardsFromLibraryTop());
                    }
                }
            }

            return cardEffects;
        }
    }
}