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

namespace DCGO.CardEffects.BT12
{
    public class BT12_039 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            if (timing == EffectTiming.None)
            {
                bool PermanentCondition(Permanent targetPermanent)
                {
                    return targetPermanent.TopCard.HasSaveText && targetPermanent.TopCard.HasLevel && targetPermanent.TopCard.Level == 4;
                }

                cardEffects.Add(CardEffectFactory.AddSelfDigivolutionRequirementStaticEffect(permanentCondition: PermanentCondition, digivolutionCost: 3, ignoreDigivolutionRequirement: false, card: card, condition: null));
            }

            if (timing == EffectTiming.None)
            {
                ChangeCostClass changeCostClass = new ChangeCostClass();
                changeCostClass.SetUpICardEffect($"Play Cost -3", CanUseCondition, card);
                changeCostClass.SetUpChangeCostClass(changeCostFunc: ChangeCost, cardSourceCondition: CardSourceCondition, rootCondition: RootCondition, isUpDown: isUpDown, isCheckAvailability: () => false, isChangePayingCost: () => true);

                cardEffects.Add(changeCostClass);

                bool CanUseCondition(Hashtable hashtable)
                {
                    if (card.Owner.HandCards.Contains(card))
                    {
                        if (CardEffectCommons.HasMatchConditionOpponentsPermanent(card, (permanent) => permanent.IsDigimon && permanent.HasSecurityAttackChanges))
                        {
                            return true;
                        }
                    }

                    return false;
                }

                int ChangeCost(CardSource cardSource, int Cost, SelectCardEffect.Root root, List<Permanent> targetPermanents)
                {
                    if (CardSourceCondition(cardSource))
                    {
                        if (RootCondition(root))
                        {
                            if (PermanentsCondition(targetPermanents))
                            {
                                Cost -= 3;
                            }
                        }
                    }

                    return Cost;
                }

                bool PermanentsCondition(List<Permanent> targetPermanents)
                {
                    if (targetPermanents == null)
                    {
                        return true;
                    }
                    else
                    {
                        if (targetPermanents.Count((targetPermanent) => targetPermanent != null) == 0)
                        {
                            return true;
                        }
                    }

                    return false;
                }

                bool CardSourceCondition(CardSource cardSource)
                {
                    return cardSource == card;
                }

                bool RootCondition(SelectCardEffect.Root root)
                {
                    if (root == SelectCardEffect.Root.Hand)
                    {
                        return true;
                    }

                    return false;
                }

                bool isUpDown()
                {
                    return true;
                }
            }

            if (timing == EffectTiming.OnAllyAttack)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Security Attack -1", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, false, EffectDiscription());
                activateClass.SetIsInheritedEffect(true);
                activateClass.SetHashString("SecurityAttack-1_BT12_039");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[When Attacking][Once Per Turn] 1 of your opponent's Digimon gains <Security Attack -1> until the end of your opponent's turn. (This Digimon checks 1 fewer security cards.)";
                }

                bool CanSelectPermanentCondition(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card);
                }

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

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

                    return false;
                }

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

                        selectPermanentEffect.SetUpCustomMessage("Select 1 Digimon that will get Security Attack -1.", "The opponent is selecting 1 Digimon that will get Security Attack -1.");

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

                        IEnumerator SelectPermanentCoroutine(Permanent permanent)
                        {
                            yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.ChangeDigimonSAttack(targetPermanent: permanent, changeValue: -1, effectDuration: EffectDuration.UntilOpponentTurnEnd, activateClass: activateClass));
                        }
                    }
                }
            }

            return cardEffects;
        }
    }
}