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

namespace DCGO.CardEffects.BT20
{
    public class BT20_078 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Collision

            if (timing == EffectTiming.OnCounterTiming)
            {
                cardEffects.Add(CardEffectFactory.CollisionSelfStaticEffect(false, card, null));
            }

            #endregion

            #region Blocker

            if (timing == EffectTiming.None)
            {
                cardEffects.Add(CardEffectFactory.BlockerSelfStaticEffect(isInheritedEffect: false, card: card, condition: null));
            }

            #endregion

            #region All Turns

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("<De-Digivolve 1> 1 your opponent's Digimon", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, false, EffectDescription());
                activateClass.SetHashString("AllTurn_BT20-078");
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return
                        "[All Turns] [Once Per Turn] When effects digivolve your opponent's Digimon, <De-Digivolve 1> 1 of your opponent's Digimon.";
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.CanTriggerWhenPermanentDigivolving(hashtable, IsOpponentDigimon))
                    {
                        if (CardEffectCommons.IsByEffect(hashtable, null))
                        {
                            return true;
                        }
                    }

                    return false;
                }

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

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

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    Permanent selectedPermanent = null;

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

                    selectPermanentEffect.SetUp(
                        selectPlayer: card.Owner,
                        canTargetCondition: IsOpponentDigimon,
                        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)
                    {
                        selectedPermanent = permanent;

                        yield return null;
                    }

                    if (selectedPermanent != null)
                    {
                        yield return ContinuousController.instance.StartCoroutine(
                            new IDegeneration(selectedPermanent, 1, activateClass).Degeneration());
                    }
                }
            }

            #endregion

            #region On Deletion

            if (timing == EffectTiming.OnDestroyedAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Delete 1 of your opponent's Digimon or Tamers.", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDescription());
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return "[On Deletion] Delete 1 of your opponent's play cost 4 or lower Digimon or Tamers.";
                }

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

                bool CanSelectPermanentCondition(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOpponentBattleArea(permanent, card) &&
                           (permanent.IsDigimon || permanent.IsTamer) &&
                           permanent.TopCard.HasPlayCost && permanent.TopCard.GetCostItself <= 4;
                }


                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.CanActivateOnDeletion(card, activateClass) &&
                           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: null,
                        afterSelectPermanentCoroutine: null,
                        mode: SelectPermanentEffect.Mode.Destroy,
                        cardEffect: activateClass);

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

            #endregion

            return cardEffects;
        }
    }
}