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

// Patamon
namespace DCGO.CardEffects.P
{
    public class P_197 : 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 [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 [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.HasAngelStrictTraits || 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("-2k DP", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, false, EffectDiscription());
                activateClass.SetIsInheritedEffect(true);
                activateClass.SetHashString("P_196_DPMinus");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[When Attacking] [Once Per Turn] 1 of your opponent's Digimon gets -2000 DP for the turn.";
                }

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

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

                bool CanSelectPermanentCondition(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card);
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    if (CardEffectCommons.HasMatchConditionPermanent(CanSelectPermanentCondition))
                    {
                        Permanent selectedPermanent = null;
                        int maxCount = Math.Min(1, CardEffectCommons.MatchConditionPermanentCount(CanSelectPermanentCondition));

                        SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();

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

                        selectPermanentEffect.SetUpCustomMessage("Select 1 Digimon that will get -2K DP", "The opponent is selecting 1 Digimon that will get -2K DP");

                        IEnumerator SelectPermanentCoroutine(Permanent permanent)
                        {
                            selectedPermanent = permanent;
                            yield return null;
                        }

                        yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());

                        if (selectedPermanent != null) yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.ChangeDigimonDP(
                                targetPermanent: selectedPermanent,
                                changeValue: -2000,
                                effectDuration: EffectDuration.UntilEachTurnEnd,
                                activateClass: activateClass));
                    }
                }
            }

            #endregion

            return cardEffects;
        }
    }
}