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

// Sagittarimon
namespace DCGO.CardEffects.P
{
    public class P_178 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Armour Purge

            if (timing == EffectTiming.WhenPermanentWouldBeDeleted) cardEffects.Add(CardEffectFactory.ArmorPurgeEffect(card: card));

            #endregion

            #region Reduce Digivolution Cost

            if (timing == EffectTiming.None)
            {
                bool PermanentCondition(Permanent targetPermanent)
                    => targetPermanent.TopCard.EqualsCardName("Veemon");
                cardEffects.Add(CardEffectFactory.AddSelfDigivolutionRequirementStaticEffect(permanentCondition: PermanentCondition, digivolutionCost: 2, ignoreDigivolutionRequirement: false, card: card, condition: null));
            }

            #endregion

            #region When Digivolving

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("-3000 DP opponent digimon", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                    => "[When Digivolving] 1 of your opponent's Digimon gets -3000 DP for the turn.";

                bool CanUseCondition(Hashtable hashtable)
                    => CardEffectCommons.IsExistOnBattleAreaDigimon(card)
                    && CardEffectCommons.CanTriggerWhenDigivolving(hashtable, card);

                bool CanActivateCondition(Hashtable hashtable)
                    => CardEffectCommons.IsExistOnBattleAreaDigimon(card);

                bool CanSelectOpponentPermanentCondition(Permanent permanent)
                    => CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card);

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    if (CardEffectCommons.HasMatchConditionPermanent(CanSelectOpponentPermanentCondition))
                    {
                        int maxCount = Math.Min(1, CardEffectCommons.MatchConditionPermanentCount(CanSelectOpponentPermanentCondition));

                        SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();

                        selectPermanentEffect.SetUp(
                            selectPlayer: card.Owner,
                            canTargetCondition: CanSelectOpponentPermanentCondition,
                            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 DP -3000.", "The opponent is selecting 1 Digimon that will get DP -3000.");
                        yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());

                        IEnumerator SelectPermanentCoroutine(Permanent permanent)
                        {
                            yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.ChangeDigimonDP(targetPermanent: permanent, changeValue: -3000, effectDuration: EffectDuration.UntilEachTurnEnd, activateClass: activateClass));
                        }
                    }
                }
            }

            #endregion

            #region When Attacking

            if (timing == EffectTiming.OnAllyAttack)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Delete 1 Digimon with 4000 DP or less", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                    => "[When Attacking] Delete 1 of your opponent's Digimon with 4000 DP or less.";

                bool CanSelectPermanentCondition(Permanent permanent)
                    => CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card)
                    && permanent.DP <= card.Owner.MaxDP_DeleteEffect(4000, activateClass);

                bool CanUseCondition(Hashtable hashtable)
                    => CardEffectCommons.IsExistOnBattleArea(card)
                    && CardEffectCommons.CanTriggerOnAttack(hashtable, card);

                bool CanActivateCondition(Hashtable hashtable)
                    => CardEffectCommons.IsExistOnBattleArea(card);

                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: null,
                            afterSelectPermanentCoroutine: null,
                            mode: SelectPermanentEffect.Mode.Destroy,
                            cardEffect: activateClass);

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

            #endregion

            return cardEffects;
        }
    }
}