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


public class BT6_072 : 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 1 card from hand to delete 1 leve4 or lower Digimon", CanUseCondition, card);
            activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, true, EffectDiscription());
            cardEffects.Add(activateClass);

            string EffectDiscription()
            {
                return "[On Play] You may trash 1 card in your hand to delete 1 of your opponent's level 4 or lower Digimon.";
            }

            bool CanSelectPermanentCondition(Permanent permanent)
            {
                if (CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card))
                {
                    if (permanent.Level <= 4)
                    {
                        if (permanent.TopCard.HasLevel)
                        {
                            return true;
                        }
                    }
                }

                return false;
            }

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

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

                return false;
            }

            IEnumerator ActivateCoroutine(Hashtable _hashtable)
            {
                if (isExistOnField(card))
                {
                    if (card.Owner.GetBattleAreaDigimons().Contains(card.PermanentOfThisCard()))
                    {
                        if (card.Owner.HandCards.Count >= 1)
                        {
                            bool discarded = false;

                            int discardCount = 1;

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

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

                            yield return StartCoroutine(selectHandEffect.Activate());

                            IEnumerator AfterSelectCardCoroutine(List<CardSource> cardSources)
                            {
                                if (cardSources.Count >= 1)
                                {
                                    discarded = true;

                                    yield return null;
                                }
                            }

                            if (discarded)
                            {
                                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: CanEndSelectCondition,
                                        maxCount: maxCount,
                                        canNoSelect: false,
                                        canEndNotMax: false,
                                        selectPermanentCoroutine: null,
                                        afterSelectPermanentCoroutine: null,
                                        mode: SelectPermanentEffect.Mode.Destroy,
                                        cardEffect: activateClass);

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

                                    bool CanEndSelectCondition(List<Permanent> permanents)
                                    {
                                        if (permanents.Count <= 0)
                                        {
                                            return false;
                                        }

                                        return true;
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }

        return cardEffects;
    }
}