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

namespace DCGO.CardEffects.EX1
{
    public class EX1_018 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Trash digivolution cards", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[When Digivolving] Trash 1 digivolution card at the bottom of 1 of your opponent's Digimon.";
                }

                bool CanSelectPermanentCondition(Permanent permanent)
                {
                    if (CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card))
                    {
                        if (permanent.DigivolutionCards.Count((cardSource) => !cardSource.CanNotTrashFromDigivolutionCards(activateClass)) >= 1)
                        {
                            return true;
                        }
                    }

                    return false;
                }

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

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

                    return false;
                }

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

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

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

                    IEnumerator SelectPermanentCoroutine(Permanent permanent)
                    {
                        Permanent selectedPermanent = permanent;

                        yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.TrashDigivolutionCardsFromTopOrBottom(targetPermanent: selectedPermanent, trashCount: 1, isFromTop: false, activateClass: activateClass));
                    }
                }
            }

            if (timing == EffectTiming.None)
            {
                CanAttackTargetDefendingPermanentClass canAttackTargetDefendingPermanentClass = new CanAttackTargetDefendingPermanentClass();
                canAttackTargetDefendingPermanentClass.SetUpICardEffect($"Can attack to unsuspended Digimon with no digivolution cards", CanUseCondition, card);
                canAttackTargetDefendingPermanentClass.SetUpCanAttackTargetDefendingPermanentClass(attackerCondition: AttackerCondition, defenderCondition: DefenderCondition, cardEffectCondition: CardEffectCondition);

                cardEffects.Add(canAttackTargetDefendingPermanentClass);

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

                    return false;
                }



                bool AttackerCondition(Permanent permanent)
                {
                    return permanent == card.PermanentOfThisCard();
                }

                bool DefenderCondition(Permanent permanent)
                {
                    if (permanent != null)
                    {
                        if (permanent.TopCard != null)
                        {
                            if (permanent.TopCard.Owner == card.Owner.Enemy)
                            {
                                if (permanent.IsDigimon)
                                {
                                    if (!permanent.IsSuspended)
                                    {
                                        if (permanent.TopCard.Owner.GetBattleAreaPermanents().Contains(permanent))
                                        {
                                            if (permanent.HasNoDigivolutionCards)
                                            {
                                                return true;
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }

                    return false;
                }

                bool CardEffectCondition(ICardEffect cardEffect)
                {
                    return true;
                }
            }

            return cardEffects;
        }
    }
}