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

namespace DCGO.CardEffects.EX4
{
    public class EX4_044 : 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("Your 1 Digimon can digivolve to 1 level 6 or lower Digimon card with [Garurumon] in its name from hand", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, true, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[When Digivolving] 1 of your other Digimon may digivolve into a level 6 or lower Digimon card with [Garurumon] in its name in your hand for the digivolution cost. When that Digimon would digivolve by this effect, reduce the digivolution cost by 2.";
                }

                bool CanSelectPermanentCondition(Permanent permanent)
                {
                    if (CardEffectCommons.IsPermanentExistsOnOwnerBattleAreaDigimon(permanent, card))
                    {
                        if (permanent != card.PermanentOfThisCard())
                        {
                            foreach (CardSource cardSource in card.Owner.HandCards)
                            {
                                if (CanSelectCardCondition(cardSource))
                                {
                                    if (cardSource.CanPlayCardTargetFrame(permanent.PermanentFrame, false, activateClass))
                                    {
                                        return true;
                                    }
                                }
                            }
                        }
                    }

                    return false;
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    return cardSource.IsDigimon && cardSource.HasGarurumonName && cardSource.Level <= 6 && cardSource.HasLevel;
                }

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

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

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    if (CardEffectCommons.HasMatchConditionPermanent(CanSelectPermanentCondition))
                    {
                        Permanent selectedPermanent = null;

                        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 that will digivolve.", "The opponent is selecting 1 Digimon that will digivolve.");

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

                        IEnumerator SelectPermanentCoroutine(Permanent permanent)
                        {
                            selectedPermanent = permanent;

                            yield return null;
                        }

                        if (selectedPermanent != null)
                        {
                            yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.DigivolveIntoHandOrTrashCard(
                                targetPermanent: selectedPermanent,
                                cardCondition: CanSelectCardCondition,
                                payCost: true,
                                reduceCostTuple: (reduceCost: 2, reduceCostCardCondition: null),
                                fixedCostTuple: null,
                                ignoreDigivolutionRequirementFixedCost: -1,
                                isHand: true,
                                activateClass: activateClass,
                                successProcess: null));
                        }
                    }
                }
            }

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

            return cardEffects;
        }
    }
}