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

namespace DCGO.CardEffects.BT12
{
    public class BT12_016 : 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("Delete 1 Digimon with 4000 DP or less, or this Digimon digivolves", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[When Digivolving] Delete 1 of your opponent's Digimon with 4000 DP or less. If an opponent's Digimon isn't deleted by this effect, you may digivolve this Digimon into a level 6 Digimon card with [Gallantmon] in its name in your hand for its digivolution cost. When this Digimon would digivolve with this effect, reduce the digivolution cost by 1.";
                }

                bool CanSelectPermanentCondition(Permanent permanent)
                {
                    if (CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card))
                    {
                        if (permanent.DP <= card.Owner.MaxDP_DeleteEffect(4000, activateClass))
                        {
                            return true;
                        }
                    }

                    return false;
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    if (cardSource.ContainsCardName("Gallantmon"))
                    {
                        if (cardSource.Level == 6)
                        {
                            if (cardSource.HasLevel)
                            {
                                if (cardSource.IsDigimon)
                                {
                                    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;
                        }

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

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleArea(card))
                    {
                        Permanent thisPermanent = card.PermanentOfThisCard();

                        List<Permanent> deleteTargetPermanents = new List<Permanent>();

                        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: null,
                                maxCount: maxCount,
                                canNoSelect: false,
                                canEndNotMax: false,
                                selectPermanentCoroutine: null,
                                afterSelectPermanentCoroutine: AfterSelectPermanentCoroutine,
                                mode: SelectPermanentEffect.Mode.Custom,
                                cardEffect: activateClass);

                            selectPermanentEffect.SetUpCustomMessage("Select 1 Digimon to delete.", "The opponent is selecting 1 Digimon to delete.");

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

                            IEnumerator AfterSelectPermanentCoroutine(List<Permanent> permanents)
                            {
                                foreach (Permanent permanent in permanents)
                                {
                                    deleteTargetPermanents.Add(permanent);
                                }

                                yield return null;
                            }
                        }

                        yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.DeletePeremanentAndProcessAccordingToResult(targetPermanents: deleteTargetPermanents, activateClass: activateClass, successProcess: null, failureProcess: FailureProcess));

                        IEnumerator FailureProcess()
                        {
                            yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.DigivolveIntoHandOrTrashCard(
                                targetPermanent: thisPermanent,
                                cardCondition: CanSelectCardCondition,
                                payCost: true,
                                reduceCostTuple: (reduceCost: 1, reduceCostCardCondition: null),
                                fixedCostTuple: null,
                                ignoreDigivolutionRequirementFixedCost: -1,
                                isHand: true,
                                activateClass: activateClass,
                                successProcess: null));
                        }
                    }
                }
            }

            if (timing == EffectTiming.OnEndAttack)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Memory +2", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, false, EffectDiscription());
                activateClass.SetIsInheritedEffect(true);
                activateClass.SetHashString("Memory+2_BT12_016");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[End of Attack][Once Per Turn] When your opponent has no Digimon in play, if this Digimon has [Growlmon] or [Gallantmon] in its name, gain 2 memory.";
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleArea(card))
                    {
                        if (card.Owner.Enemy.GetBattleAreaDigimons().Count == 0)
                        {
                            if (card.PermanentOfThisCard().TopCard.ContainsCardName("Growlmon"))
                            {
                                return true;
                            }

                            if (card.PermanentOfThisCard().TopCard.ContainsCardName("Gallantmon"))
                            {
                                return true;
                            }
                        }
                    }

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(card.Owner.AddMemory(2, activateClass));
                }
            }

            return cardEffects;
        }
    }
}