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

//Sayo
namespace DCGO.CardEffects.BT22
{
    public class BT22_102 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Start of Main Phase

            if (timing == EffectTiming.OnStartMainPhase)
            {
                cardEffects.Add(CardEffectFactory.Gain1MemoryTamerOpponentDigimonEffect(card));
            }

            #endregion

            #region Your Turn

            if (timing == EffectTiming.OnAllyAttack)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Digivolve for a reduced cost", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, true, EffectDescription());
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return "[Your Turn] When one of your Digimon with 2 or more same-level cards in its stack attacks, by suspending this Tamer, digivolve it into a Digimon card with the [Night Claw], [Light Fang], [Galaxy] or [CS] trait in the trash with the digivolution cost reduced by 2.";
                }

                bool AttackingPermanentCondition(Permanent permanent)
                {
                    if (CardEffectCommons.IsPermanentExistsOnOwnerBattleAreaDigimon(permanent, card))
                    {
                        return permanent.StackCards
                            .Filter(x => !x.IsFlipped)
                            .GroupBy(x => x.Level)
                            .Any(g => g.Count() >= 2);
                    }

                    return false;
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleArea(card))
                    {
                        if (CardEffectCommons.IsOwnerTurn(card))
                        {
                            if (CardEffectCommons.CanTriggerOnPermanentAttack(hashtable, AttackingPermanentCondition))
                            {
                                return true;
                            }
                        }
                    }

                    return false;
                }

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleArea(card) &&
                           CardEffectCommons.CanActivateSuspendCostEffect(card);
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    CardEffectCommons.EnforceLocationCheck();

                    yield return ContinuousController.instance.StartCoroutine(new SuspendPermanentsClass(new List<Permanent>() { card.PermanentOfThisCard() }, CardEffectCommons.CardEffectHashtable(activateClass)).Tap());

                    Permanent attackingPermanent = CardEffectCommons.GetAttackerFromHashtable(_hashtable);

                    bool CanSelectDigivolveTarget(CardSource source)
                    {
                        return (source.HasLightFangOrNightClawTraits || source.HasGalaxyTraits || source.HasCSTraits) &&
                               source.CanPlayCardTargetFrame(attackingPermanent.PermanentFrame, true, activateClass, SelectCardEffect.Root.Trash);
                    }

                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.DigivolveIntoHandOrTrashCard(
                            targetPermanent: attackingPermanent,
                            cardCondition: CanSelectDigivolveTarget,
                            payCost: true,
                            reduceCostTuple: (reduceCost: 2, reduceCostCardCondition: null),
                            fixedCostTuple: null,
                            ignoreDigivolutionRequirementFixedCost: -1,
                            isHand: false,
                            activateClass: activateClass,
                            successProcess: null));
                }
            }

            #endregion

            #region Security

            if (timing == EffectTiming.SecuritySkill)
            {
                cardEffects.Add(CardEffectFactory.PlaySelfTamerSecurityEffect(card));
            }

            #endregion

            return cardEffects;
        }
    }
}