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

namespace DCGO.CardEffects.EX7
{
    public class EX7_045 : 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.IsLevel4 && targetPermanent.TopCard.ContainsTraits("NSp");
                }

                cardEffects.Add(CardEffectFactory.AddSelfDigivolutionRequirementStaticEffect(
                    permanentCondition: PermanentCondition,
                    digivolutionCost: 3,
                    ignoreDigivolutionRequirement: false,
                    card: card,
                    condition: null)
                );
            }

            #endregion

            #region On Play

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("De-Digivolve 1", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDescription());
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return
                        "[On Play] <De-Digivolve 1> 1 of your opponent's Digimon (Trash the top card. You can't trash past level 3 cards).";
                }

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

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

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

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    SelectPermanentEffect selectPermanentEffect =
                        GManager.instance.GetComponent<SelectPermanentEffect>();

                    selectPermanentEffect.SetUp(
                        selectPlayer: card.Owner,
                        canTargetCondition: CanSelectPermanentCondition,
                        canTargetCondition_ByPreSelecetedList: null,
                        canEndSelectCondition: null,
                        maxCount: 1,
                        canNoSelect: false,
                        canEndNotMax: false,
                        selectPermanentCoroutine: SelectPermanentCoroutine,
                        afterSelectPermanentCoroutine: null,
                        mode: SelectPermanentEffect.Mode.Custom,
                        cardEffect: activateClass);

                    selectPermanentEffect.SetUpCustomMessage("Select 1 Digimon to De-Digivolve.",
                        "The opponent is selecting 1 Digimon to De-Digivolve.");
                    yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());

                    IEnumerator SelectPermanentCoroutine(Permanent permanent)
                    {
                        yield return ContinuousController.instance.StartCoroutine(
                            new IDegeneration(permanent, 1, activateClass).Degeneration());
                    }
                }
            }

            #endregion

            #region Opponent's Turn

            if (timing == EffectTiming.None)
            {
                bool CanUseCondition()
                {
                    return CardEffectCommons.IsExistOnBattleAreaDigimon(card) &&
                           CardEffectCommons.IsOpponentTurn(card);
                }

                bool PermanentCondition(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOwnerBattleAreaDigimon(permanent, card) &&
                           permanent.TopCard.ContainsTraits("NSp");
                }

                cardEffects.Add(CardEffectFactory.BlockerStaticEffect(
                    permanentCondition: PermanentCondition,
                    isInheritedEffect: false,
                    card: card,
                    condition: CanUseCondition));
            }

            #endregion

            return cardEffects;
        }
    }
}