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

//Greymon
namespace DCGO.CardEffects.EX9
{
    public class EX9_009 : 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)
                {
                    if (targetPermanent.TopCard.IsLevel3)
                    {
                        if (targetPermanent.TopCard.EqualsTraits("DM"))
                        {
                            return true;
                        }
                    }
                    return false;
                }

                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 Attacking

            if (timing == EffectTiming.OnAllyAttack)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Place deck top card face down as source, gain 1k DP for each face down source", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, true, EffectDiscription());
                activateClass.SetHashString("WA_EX9_009");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                    => "[When Attacking] [Once Per Turn] By placing your deck's top card face down as this Digimon's bottom digivolution card, this Digimon gets +1000 DP for each of its face-down digivolution cards until your opponent's turn ends.";

                bool CanUseCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleAreaDigimon(card))
                    {
                        if (CardEffectCommons.CanTriggerOnAttack(hashtable, card))
                        {
                            return true;
                        }
                    }
                    return false;
                }

                bool CanActivateCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleAreaDigimon(card))
                    {
                        if (card.Owner.LibraryCards.Count > 0)
                        {
                            return true;
                        }
                    }
                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    var selectedCard = card.Owner.LibraryCards[0];
                    yield return ContinuousController.instance.StartCoroutine(CardObjectController.AddExecutingCard(selectedCard));
                    yield return ContinuousController.instance.StartCoroutine(card.PermanentOfThisCard().AddDigivolutionCardsBottom(new List<CardSource>() { selectedCard }, activateClass, isFacedown: true));

                    var flippedCards = card.PermanentOfThisCard().DigivolutionCards.Count(x => x.IsFlipped);
                    var dpBonus = flippedCards * 1000;
                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.ChangeDigimonDP(targetPermanent: card.PermanentOfThisCard(), changeValue: dpBonus, effectDuration: EffectDuration.UntilOpponentTurnEnd, activateClass: activateClass));
                }
            }

            #endregion

            #region ESS

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

                    return false;
                }

                cardEffects.Add(CardEffectFactory.ChangeSelfDPStaticEffect(changeValue: 2000, isInheritedEffect: true, card: card, condition: Condition));
            }

            #endregion

            return cardEffects;
        }
    }
}