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

namespace DCGO.CardEffects.BT15
{
    public class BT15_027 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region On Play

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Reveal the top 4 cards of deck", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[On Play] Reveal the top 4 cards of your deck. Add 2 level 6 or higher cards among them to the hand. Return the rest to the bottom of the deck.";
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    if (cardSource.HasLevel)
                    {
                        if (cardSource.Level >= 6)
                        {
                            return true;
                        }
                    }

                    return false;
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleArea(card))
                    {
                        if (card.Owner.LibraryCards.Count >= 1)
                        {
                            return true;
                        }
                    }

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.SimplifiedRevealDeckTopCardsAndSelect(
                        revealCount: 4,
                        simplifiedSelectCardConditions:
                        new SimplifiedSelectCardConditionClass[]
                        {
                        new SimplifiedSelectCardConditionClass(
                            canTargetCondition:CanSelectCardCondition,
                            message: "Select 2 level 6 or more cards.",
                            mode: SelectCardEffect.Mode.AddHand,
                            maxCount: 2,
                            selectCardCoroutine: null),
                        },
                        remainingCardsPlace: RemainingCardsPlace.DeckBottom,
                        activateClass: activateClass
                    ));
                }
            }

            #endregion

            if (timing == EffectTiming.OnEndTurn)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Delete your 1 Digimon to play 1 Digimon from hand", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, true, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[End of Your Turn] By deleting 1 of your Digimon, you may play 1 Digimon card with the [Dark Masters] trait from your hand to an empty space in your breeding area without paying the cost.";
                }

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

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    if (card.Owner.GetBreedingAreaPermanents().Count == 0)
                    {
                        if (cardSource.CardTraits.Contains("Dark Masters") || cardSource.CardTraits.Contains("DarkMasters"))
                        {
                            if (cardSource.IsDigimon)
                            {
                                if (CardEffectCommons.CanPlayAsNewPermanent(
                                    cardSource: cardSource,
                                    payCost: false,
                                    cardEffect: activateClass,
                                    isBreedingArea: true))
                                {
                                    return true;
                                }
                            }
                        }
                    }

                    return false;
                }

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

                    return false;
                }

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

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    if (CardEffectCommons.HasMatchConditionPermanent(CanSelectPermanentCondition))
                    {
                        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: true,
                            canEndNotMax: false,
                            selectPermanentCoroutine: SelectPermanentCoroutine,
                            afterSelectPermanentCoroutine: null,
                            mode: SelectPermanentEffect.Mode.Custom,
                            cardEffect: activateClass);

                        selectPermanentEffect.SetUpCustomMessage("Select 1 Digimon to delete.", "The opponent is selecting 1 Digimon to delete.");

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

                        IEnumerator SelectPermanentCoroutine(Permanent permanent)
                        {
                            yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.DeletePeremanentAndProcessAccordingToResult(
                                targetPermanents: new List<Permanent>() { permanent },
                                activateClass: activateClass,
                                successProcess: permanents => SuccessProcess(),
                                failureProcess: null));

                            IEnumerator SuccessProcess()
                            {
                                if (card.Owner.HandCards.Count(CanSelectCardCondition) >= 1)
                                {
                                    List<CardSource> selectedCards = new List<CardSource>();

                                    int maxCount = 1;

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

                                    selectHandEffect.SetUp(
                                        selectPlayer: card.Owner,
                                        canTargetCondition: CanSelectCardCondition,
                                        canTargetCondition_ByPreSelecetedList: null,
                                        canEndSelectCondition: null,
                                        maxCount: maxCount,
                                        canNoSelect: true,
                                        canEndNotMax: false,
                                        isShowOpponent: true,
                                        selectCardCoroutine: SelectCardCoroutine,
                                        afterSelectCardCoroutine: null,
                                        mode: SelectHandEffect.Mode.Custom,
                                        cardEffect: activateClass);

                                    selectHandEffect.SetUpCustomMessage("Select 1 card to play.", "The opponent is selecting 1 card to play.");
                                    selectHandEffect.SetUpCustomMessage_ShowCard("Played Card");

                                    yield return StartCoroutine(selectHandEffect.Activate());

                                    IEnumerator SelectCardCoroutine(CardSource cardSource)
                                    {
                                        selectedCards.Add(cardSource);

                                        yield return null;
                                    }

                                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.PlayPermanentCards(
                                        cardSources: selectedCards,
                                        activateClass: activateClass,
                                        payCost: false,
                                        isTapped: false,
                                        root: SelectCardEffect.Root.Hand,
                                        activateETB: true,
                                        isBreedingArea: true));
                                }
                            }
                        }
                    }
                }
            }

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

            return cardEffects;
        }
    }
}