using Photon.Pun;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;

// HeavyMetaldramon
namespace DCGO.CardEffects.EX11
{
    public class EX11_052 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Digivolution Condition

            if (timing == EffectTiming.None)
            {
                static bool PermanentCondition(Permanent targetPermanent)
                {
                    return targetPermanent.TopCard.IsLevel5
                        && (targetPermanent.TopCard.EqualsTraits("Dark Dragon")
                            || targetPermanent.TopCard.EqualsTraits("Evil Dragon"));
                }

                cardEffects.Add(CardEffectFactory.AddSelfDigivolutionRequirementStaticEffect(permanentCondition: PermanentCondition, digivolutionCost: 4, ignoreDigivolutionRequirement: false, card: card, condition: null));
            }

            #endregion

            #region OP/WD Shared

            string SharedEffectName = "Discard 2, delete 1 opponent unsuspended digimon, conditionally play a [Evil]/[Dark Dragon]/[Evil Dragon] trait digimon from trash for free.";

            string SharedEffectDescription(string tag) => $"[{tag}] Trash 2 cards in your hand and delete 1 of your opponent's unsuspended Digimon. Then, if you have 4 or fewer cards in your hand, you may play 1 level 5 or lower [Evil], [Dark Dragon] or [Evil Dragon] trait Digimon card from your trash without paying the cost.";

            bool SharedCanActivateCondition(Hashtable hashtable, ActivateClass activateClass)
            {
                return CardEffectCommons.IsExistOnBattleArea(card);
            }

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

            bool CanSelectCardCondition(CardSource cardSource)
            {
                return cardSource.IsDigimon
                    && cardSource.HasLevel
                    && cardSource.Level <= 5
                    && (cardSource.EqualsTraits("Evil")
                        || cardSource.EqualsTraits("Dark Dragon")
                        || cardSource.EqualsTraits("Evil Dragon"));
            }

            IEnumerator SharedActivateCoroutine(Hashtable hashtable, ActivateClass activateClass)
            {
                if (card.Owner.HandCards.Count >= 1)
                {
                    int discardCount = Math.Min(2, card.Owner.HandCards.Count);

                    SelectHandEffect selectHandEffect = GManager.instance.GetComponent<SelectHandEffect>();

                    selectHandEffect.SetUp(
                        selectPlayer: card.Owner,
                        canTargetCondition: (cardSource) => true,
                        canTargetCondition_ByPreSelecetedList: null,
                        canEndSelectCondition: null,
                        maxCount: discardCount,
                        canNoSelect: false,
                        canEndNotMax: false,
                        isShowOpponent: true,
                        selectCardCoroutine: null,
                        afterSelectCardCoroutine: null,
                        mode: SelectHandEffect.Mode.Discard,
                        cardEffect: activateClass);

                    yield return StartCoroutine(selectHandEffect.Activate());
                }

                if(CardEffectCommons.HasMatchConditionOpponentsPermanent(card, CanSelectPermanentCondition))
                {
                    int maxCount = 1;

                    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: null,
                        afterSelectPermanentCoroutine: null,
                        mode: SelectPermanentEffect.Mode.Destroy,
                        cardEffect: activateClass);

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

                if(card.Owner.HandCards.Count <= 4
                && CardEffectCommons.HasMatchConditionOwnersCardInTrash(card, (cardSource) => CanSelectCardCondition(cardSource)))
                {
                    CardSource selectedCard = null;

                    #region Select Digimon

                    SelectCardEffect selectCardEffect = GManager.instance.GetComponent<SelectCardEffect>();
                    int maxCount = Math.Min(1, CardEffectCommons.MatchConditionOwnersCardCountInTrash(card, CanSelectCardCondition));

                    selectCardEffect.SetUp(
                        canTargetCondition: CanSelectCardCondition,
                        canTargetCondition_ByPreSelecetedList: null,
                        canEndSelectCondition: null,
                        canNoSelect: () => true,
                        selectCardCoroutine: SelectCardCoroutine,
                        afterSelectCardCoroutine: null,
                        message: "Select 1 Digimon card to play.",
                        maxCount: maxCount,
                        canEndNotMax: false,
                        isShowOpponent: true,
                        mode: SelectCardEffect.Mode.Custom,
                        root: SelectCardEffect.Root.Trash,
                        customRootCardList: null,
                        canLookReverseCard: true,
                        selectPlayer: card.Owner,
                        cardEffect: activateClass);

                    IEnumerator SelectCardCoroutine(CardSource cardSource)
                    {
                        selectedCard = cardSource;
                        yield return null;
                    }

                    selectCardEffect.SetUpCustomMessage("Select 1 Digimon card to play.", "The opponent is selecting 1 Digimon card to play.");
                    selectCardEffect.SetUpCustomMessage_ShowCard("Selected Card");
                    yield return ContinuousController.instance.StartCoroutine(selectCardEffect.Activate());

                    #endregion

                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.PlayPermanentCards(
                        cardSources: new List<CardSource>() { selectedCard },
                        activateClass: activateClass,
                        payCost: false,
                        isTapped: false,
                        root: SelectCardEffect.Root.Trash,
                        activateETB: true)
                    );
                }
            }

            #endregion

            #region On Play

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect(SharedEffectName, CanUseCondition, card);
                activateClass.SetUpActivateClass(hash => SharedCanActivateCondition(hash, activateClass), hash => SharedActivateCoroutine(hash, activateClass), -1, false, SharedEffectDescription("On Play"));
                cardEffects.Add(activateClass);

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

            #endregion

            #region When Digivolving

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect(SharedEffectName, CanUseCondition, card);
                activateClass.SetUpActivateClass(hash => SharedCanActivateCondition(hash, activateClass), hash => SharedActivateCoroutine(hash, activateClass), -1, false, SharedEffectDescription("When Digivolving"));
                cardEffects.Add(activateClass);
                
                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleAreaDigimon(card)
                        && CardEffectCommons.CanTriggerWhenDigivolving(hashtable, card);
                }
            }

            #endregion

            #region End of Attack

            if (timing == EffectTiming.OnEndAttack)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect(SharedEffectName, CanUseCondition, card);
                activateClass.SetUpActivateClass(hash => SharedCanActivateCondition(hash, activateClass), hash => SharedActivateCoroutine(hash, activateClass), -1, false, SharedEffectDescription("End of Attack"));
                cardEffects.Add(activateClass);

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

            #endregion

            #region All Turns

            if (timing == EffectTiming.WhenRemoveField)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("If 4 or less cards in hand, trash opponent's security.", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, false, EffectDiscription());
                activateClass.SetHashString("EX11_052_AT");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[All Turns] [Once Per Turn] When any of your [Dark Dragon] or [Evil Dragon] trait Digimon would leave the battle area, if you have 4 or fewer cards in your hand, trash your opponent's top security card.";
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleAreaDigimon(card)
                        && CardEffectCommons.CanTriggerWhenPermanentRemoveField(hashtable, PermanentCondition);
                }

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

                bool PermanentCondition(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOwnerBattleAreaDigimon(permanent, card)
                        && (permanent.TopCard.EqualsTraits("Dark Dragon")
                            || permanent.TopCard.EqualsTraits("Evil Dragon"));
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(new IDestroySecurity(
                            player: card.Owner.Enemy,
                            destroySecurityCount: 1,
                            cardEffect: activateClass,
                            fromTop: true).DestroySecurity());
                }
            }

            #endregion

            return cardEffects;
        }
    }
}