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

// DemiDevimon
namespace DCGO.CardEffects.P
{
    public class P_198 : 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)
                {
                    return targetPermanent.TopCard.HasTSTraits &&
                           targetPermanent.TopCard.HasLevel && targetPermanent.TopCard.Level == 2;
                }

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

            #endregion

            #region Start Of Your Main Phase

            if (timing == EffectTiming.OnStartMainPhase)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Digivolve into a [Fallen Angel]/[TS] digimon in hand", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, true, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[Start of Your Main Phase] If you have 4 or less memory, this Digimon may digivolve into a Digimon card with the [Fallen Angel] or [TS] trait in the hand without paying the cost.";
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleAreaDigimon(card)
                        && CardEffectCommons.IsOwnerTurn(card)
                        && card.Owner.MemoryForPlayer <= 4;
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    return cardSource.IsDigimon
                        && (cardSource.HasFallenAngelTraits || cardSource.HasTSTraits)
                        && cardSource.CanPlayCardTargetFrame(card.PermanentOfThisCard().PermanentFrame, false, activateClass);
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.DigivolveIntoHandOrTrashCard(
                                    card.PermanentOfThisCard(),
                                    digivolvingCard => CanSelectCardCondition(digivolvingCard),
                                    payCost: false,
                                    reduceCostTuple: null,
                                    fixedCostTuple: null,
                                    ignoreDigivolutionRequirementFixedCost: -1,
                                    isHand: true,
                                    activateClass: activateClass,
                                    successProcess: null
                                ));
                }
            }

            #endregion

            #region ESS - When Attacking

            if (timing == EffectTiming.OnAllyAttack)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Draw 1, trash 1", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, false, EffectDiscription());
                activateClass.SetIsInheritedEffect(true);
                activateClass.SetHashString("P_198_Draw1Trash1");
                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)
                {
                    return CardEffectCommons.IsExistOnBattleArea(card);
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.DrawAndDiscardCards(
                        player: (card.Owner, card.Owner),
                        drawAmount: 1,
                        trashAmount: 1,
                        card: card,
                        activateClass: activateClass
                    ));
                }
            }

            #endregion

            return cardEffects;
        }
    }
}