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

// Apollomon
namespace DCGO.CardEffects.BT25
{
    public class BT25_018 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Alt Digivolution
            if (timing == EffectTiming.None)
            {
                bool PermanentCondition(Permanent permanent)
                {
                    return permanent.TopCard.HasTSTraits;
                }

                cardEffects.Add(CardEffectFactory.AddSelfDigivolutionRequirementStaticEffect(PermanentCondition, 3, true, card, null, level: 5));
            }
            #endregion
            
            #region Reduce Play Cost
            if (timing == EffectTiming.None)
            {
                bool Condition()
                {
                    return CardEffectCommons.HasMatchConditionOpponentsPermanent(card, Level6EnemyDigimon);
                }

                bool Level6EnemyDigimon(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card) 
                        && permanent.HasDP
                        && permanent.DP >= 12000;
                }

                cardEffects.Add(CardEffectFactory.MandatorySelfPlayCostReduction(5, card, Condition));
            }
            #endregion

            #region Shared Condition and Deletion

            bool IsYourDigimon(Permanent permanent) => CardEffectCommons.IsPermanentExistsOnOwnerBattleAreaDigimon(permanent, card);

            bool CanDeleteCondition(Permanent permanent)
            {
                return CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card)
                    && permanent.HasDP
                    && permanent.DP < card.PermanentOfThisCard().DP;
            }

            IEnumerator DeleteWeakerDigimon(ActivateClass activateClass)
            {
                if (CardEffectCommons.HasMatchConditionOpponentsPermanent(card, CanDeleteCondition))
                {
                    SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();

                    selectPermanentEffect.SetUp(
                        selectPlayer: card.Owner,
                        canTargetCondition: CanDeleteCondition,
                        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

            #region Shared OP / WD

            string SharedEffectName = "-2k for each of your Digimon to all opponent's digimon until end of the turn. Delete 1 enemy Digimon with equal or less DP than this digimon";

            string SharedEffectDescription(string tag)
                => $"[{tag}] For the turn, all of your opponent's Digimon get -2000 DP for each of your Digimon. Then, delete 1 of their Digimon with as much DP as this Digimon or less.";
            
            bool IsEnemyDigimon(Permanent permanent) => CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card);

            IEnumerator SharedActivateCoroutine(Hashtable hashtable, ActivateClass activateClass)
            {
                int reduction = -2000 * CardEffectCommons.MatchConditionPermanentCount(IsYourDigimon);

                yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.ChangeDigimonDPPlayerEffect(
                                    permanentCondition: IsEnemyDigimon,
                                    changeValue: reduction,
                                    effectDuration: EffectDuration.UntilEachTurnEnd,
                                    activateClass: activateClass));

                yield return ContinuousController.instance.StartCoroutine(DeleteWeakerDigimon(activateClass));
            }

            CardEffectFactory.ActivateClassesForSharedEffects
                (ref cardEffects, timing, card,
                    SharedEffectName,
                    SharedActivateCoroutine,
                    SharedEffectDescription,
                    optional: false,
                    onPlay: true,
                    whenDigivolving: true);
            #endregion

            #region End of your Turn
            if (timing == EffectTiming.OnEndTurn)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("DNA digivolve into [GraceNovamon]. 1 of your Digimon may attack.", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDescription());
                cardEffects.Add(activateClass);

                string EffectDescription()
                    => "[End of Your Turn] 2 of your Digimon may DNA digivolve into [GraceNovamon] in the hand. Then, 1 of your Digimon may attack.";

                bool CanSelectDNACardCondition(CardSource cardSource)
                {
                    return cardSource.IsDigimon
                        && cardSource.CanPlayJogress(true)
                        && cardSource.EqualsCardName("GraceNovamon");
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleArea(card)
                        && CardEffectCommons.IsOwnerTurn(card);
                }

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

                bool YourDigimonThatCanAttack(Permanent permanent)
                {
                    return IsYourDigimon(permanent)
                        && permanent.CanAttack(activateClass);
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {

                    #region DNA digivolve
                    yield return ContinuousController.instance.StartCoroutine(
                        CardEffectCommons.DNADigivolvePermanentsIntoHandOrTrashCard(
                            CanSelectDNACardCondition,
                            payCost: true,
                            isHand: true,
                            activateClass
                        ));
                    #endregion
                    #region May Attack
                    if (CardEffectCommons.HasMatchConditionOwnersPermanent(card, YourDigimonThatCanAttack))
                    {
                        SelectPermanentEffect selectPermanentEffect =
                            GManager.instance.GetComponent<SelectPermanentEffect>();

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

                        selectPermanentEffect.SetUpCustomMessage("Select 1 Digimon that will attack.",
                            "The opponent is selecting 1 Digimon that will attack.");

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

            #region When Attacking ESS
            if (timing == EffectTiming.OnAllyAttack)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Delete 1 enemy digimon with DP equal or less", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, _ => DeleteWeakerDigimon(activateClass), 1, false, EffectDescription());
                activateClass.SetIsInheritedEffect(true);
                activateClass.SetHashString("BT25_018_WA_ESS");
                cardEffects.Add(activateClass);

                string EffectDescription()
                    => "[When Attacking] [Once Per Turn] Delete 1 of your opponent's Digimon with as much DP as this Digimon or less.";

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleArea(card);
                }
            }
            #endregion

            return cardEffects;
        }
    }
}