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

namespace DCGO.CardEffects.EX9
{
    public class EX9_054 : 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("De-Digivolve 1", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    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 IsOpponentDigimon(Permanent targetPermanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(targetPermanent, card);
                }

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

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

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    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: SelectPermanentCoroutine1,
                                        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 SelectPermanentCoroutine1(Permanent permanent)
                    {
                        Permanent selectedPermanent = permanent;

                        yield return ContinuousController.instance.StartCoroutine(new IDegeneration(selectedPermanent, 1, activateClass).Degeneration());
                    }
                }
            }
            #endregion

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

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

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

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

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

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    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: SelectPermanentCoroutine1,
                                        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 SelectPermanentCoroutine1(Permanent permanent)
                    {
                        Permanent selectedPermanent = permanent;

                        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("Play 1 Digimon", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, true, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[On Deletion] you may play 1 level 4 or lower Digimon card with [Negamon] in its text from your hand without paying the cost. For every 2 [Negamon] in your trash or your Digimon's digivolution cards, add 1 to this effect's level maximum.";
                }

                int LevelAmount()
                {
                    int value = 4;
                    int cardCount = 0;

                    cardCount += CardEffectCommons.MatchConditionOwnersCardCountInTrash(card, IsNegamon);

                    foreach (Permanent perm in card.Owner.GetBattleAreaDigimons())
                    {
                        cardCount += perm.DigivolutionCards.Count(IsNegamon);
                    }

                    return value + Mathf.FloorToInt(cardCount/2);
                }

                bool IsNegamon(CardSource source)
                {
                    return source.EqualsCardName("Negamon");
                }


                bool CardCondition(CardSource cardSource)
                {
                    if (cardSource.Owner == card.Owner)
                    {
                        if (cardSource.IsDigimon)
                        {
                            if(cardSource.HasLevel && cardSource.Level <= LevelAmount())
                            {
                                if (cardSource.HasText("Negamon"))
                                {
                                    return true;
                                }
                            }                            
                        }
                    }

                    return false;
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.CanActivateOnDeletion(card, activateClass);
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    List<CardSource> selectedCards = new List<CardSource>();

                    if (card.Owner.HandCards.Count(CardCondition) >= 1)
                    {
                        SelectHandEffect selectHandEffect = GManager.instance.GetComponent<SelectHandEffect>();

                        selectHandEffect.SetUp(
                            selectPlayer: card.Owner,
                            canTargetCondition: CardCondition,
                            canTargetCondition_ByPreSelecetedList: null,
                            canEndSelectCondition: null,
                            maxCount: 1,
                            canNoSelect: true,
                            canEndNotMax: false,
                            isShowOpponent: true,
                            selectCardCoroutine: SelectCardCoroutine,
                            afterSelectCardCoroutine: null,
                            mode: SelectHandEffect.Mode.Custom,
                            cardEffect: activateClass);

                        selectHandEffect.SetUpCustomMessage("Select 1 Digimon to play.",
                            "The opponent is selecting 1 Digimon 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));
                    }
                }
            }
            #endregion

            #region All Turns - ESS
            if (timing == EffectTiming.OnAttackTargetChanged)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Unsuspend", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, false, EffectDiscription());
                activateClass.SetHashString("Unsuspend_EX9-054");
                activateClass.SetIsInheritedEffect(true); 
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[All Turns] [Once Per Turn] When attack targets change, if this Digimon has [Abbadomon] in its name, it unsuspends.";
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleAreaDigimon(card))
                    {
                        if (CardEffectCommons.CanTriggerOnPermanentAttackTargetSwitch(hashtable, permanent => true))
                        {
                            return true;
                        }
                    }
                    return false;
                }

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleAreaDigimon(card) &&
                           card.PermanentOfThisCard().TopCard.ContainsCardName("Abbadomon");
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(new IUnsuspendPermanents(
                    permanents: new List<Permanent> { card.PermanentOfThisCard() },
                    cardEffect: activateClass).Unsuspend());
                }
            }
            #endregion

            return cardEffects;
        }
    }
}