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

// Impmon
namespace DCGO.CardEffects.EX10
{
    public class EX10_037 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region When trashed from deck

            if (timing == EffectTiming.OnDiscardLibrary)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Delete 1 level 4 or lower digimon", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                activateClass.SetIsDigimonEffect(true);
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "When this card is trashed from the top of the deck, you may delete 1 of your opponent's level 4 or lower Digimon.";
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnTrash(card)
                        && CardEffectCommons.HasMatchConditionOpponentsPermanent(card, CanSelectPermamentCondition);
                }

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

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    if (CardEffectCommons.HasMatchConditionOpponentsPermanent(card, CanSelectPermamentCondition))
                    {
                        #region Destroy Enemy Digimon

                        SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();
                        int maxCount = Math.Min(1, CardEffectCommons.MatchConditionOpponentsPermanentCount(card, CanSelectPermamentCondition));

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

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

                        #endregion
                    }
                }
            }

            #endregion

            #region Start of Your Main Phase

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

                string EffectDiscription()
                {
                    return "[Start of Your Main Phase] Trash the top 2 cards of your deck.";
                }

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

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

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

            #endregion

            #region ESS

            if (timing == EffectTiming.None)
            {
                bool Condition()
                {
                    return CardEffectCommons.IsExistOnBattleArea(card)
                        && CardEffectCommons.IsOwnerTurn(card);
                }

                int GetDPChangeValue()
                {
                    int stacksOf10 = card.Owner.TrashCards.Count / 10;
                    return stacksOf10 * 1000;
                }

                cardEffects.Add(CardEffectFactory.ChangeSelfDPStaticEffect(changeValue: GetDPChangeValue(), isInheritedEffect: true, card: card, condition: Condition));
            }

            #endregion

            return cardEffects;
        }
    }
}