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

namespace DCGO.CardEffects.EX8
{
    public class EX8_057 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Alternate Digivolution

            if (timing == EffectTiming.None)
            {
                bool PermanentCondition(Permanent targetPermanent)
                {
                    return targetPermanent.TopCard.IsLevel2 && targetPermanent.TopCard.EqualsTraits("NSo");
                }

                cardEffects.Add(CardEffectFactory.AddSelfDigivolutionRequirementStaticEffect(
                    permanentCondition: PermanentCondition,
                    digivolutionCost: 0,
                    ignoreDigivolutionRequirement: false,
                    card: card,
                    condition: null)
                );
            }

            #endregion
            
            #region On Play

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Reveal the top 3 cards of deck", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false,
                    EffectDescription());
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return
                        "[On Play] Reveal the top 3 cards of your deck. Add 1 card with the [NSo] trait and 1 card with the [Fallen Angel] trait among them to the hand. Return the rest to the bottom of the deck.";
                }

                bool CanSelectNightmareSoldierCardCondition(CardSource cardSource)
                {
                    return cardSource.EqualsTraits("NSo");
                }

                bool CanSelectFallenAngelCardCondition(CardSource cardSource)
                {
                    return cardSource.EqualsTraits("Fallen Angel");
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleAreaDigimon(card) &&
                           card.Owner.LibraryCards.Count >= 1;
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(
                        CardEffectCommons.SimplifiedRevealDeckTopCardsAndSelect(
                            revealCount: 3,
                            simplifiedSelectCardConditions:
                            new SimplifiedSelectCardConditionClass[]
                            {
                                new(
                                    canTargetCondition: CanSelectNightmareSoldierCardCondition,
                                    message: "Select 1 card with the [NSo] trait.",
                                    mode: SelectCardEffect.Mode.AddHand,
                                    maxCount: 1,
                                    selectCardCoroutine: null),
                                new(
                                    canTargetCondition: CanSelectFallenAngelCardCondition,
                                    message: "Select 1 card with the [Fallen Angel] trait.",
                                    mode: SelectCardEffect.Mode.AddHand,
                                    maxCount: 1,
                                    selectCardCoroutine: null),
                            },
                            remainingCardsPlace: RemainingCardsPlace.DeckBottom,
                            activateClass: activateClass
                        ));
                }
            }

            #endregion
            
            #region ESS - When Attacking
            
            if (timing == EffectTiming.OnAllyAttack)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Draw 1 and trash 1 card from hand", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, false, EffectDiscription());
                activateClass.SetIsInheritedEffect(true);
                activateClass.SetHashString("Draw_EX8_057");
                cardEffects.Add(activateClass);

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

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleArea(card))
                    {
                        return true;
                    }

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(new DrawClass(card.Owner, 1, activateClass).Draw());

                    if (card.Owner.HandCards.Count >= 1)
                    {
                        int discardCount = 1;

                        SelectHandEffect selectHandEffect = GManager.instance.GetComponent<SelectHandEffect>();

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

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

            return cardEffects;
        }
    }
}