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

namespace DCGO.CardEffects.EX2
{
    public class EX2_042 : 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("Draw 2 and trash 2 cards from hand", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[On Play] <Draw 2>. (Draw 2 cards from your deck.) Then, trash 2 cards in your hand.";
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    if (isExistOnField(card))
                    {
                        if (card.Owner.GetBattleAreaDigimons().Contains(card.PermanentOfThisCard()))
                        {
                            if (card.Owner.LibraryCards.Count >= 1)
                            {
                                return true;
                            }

                            if (card.Owner.HandCards.Count >= 1)
                            {
                                return true;
                            }
                        }
                    }

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    if (isExistOnField(card))
                    {
                        if (card.Owner.GetBattleAreaDigimons().Contains(card.PermanentOfThisCard()))
                        {
                            yield return ContinuousController.instance.StartCoroutine(new DrawClass(card.Owner, 2, activateClass).Draw());

                            if (card.Owner.HandCards.Count >= 1)
                            {
                                int discardCount = 2;

                                if (card.Owner.HandCards.Count < discardCount)
                                {
                                    discardCount = 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 (timing == EffectTiming.OnAllyAttack)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Memory +1", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, true, EffectDiscription());
                activateClass.SetIsInheritedEffect(true);
                activateClass.SetHashString("Memory+1_EX2_042");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[When Attacking][Once Per Turn] You may trash 1 card in your hand to gain 1 memory.";
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.CanTriggerOnAttack(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)
                                {
                                    yield return ContinuousController.instance.StartCoroutine(card.Owner.AddMemory(1, activateClass));
                                }
                            }
                        }
                    }
                }
            }

            return cardEffects;
        }
    }
}