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

namespace DCGO.CardEffects.BT21
{
    public class BT21_036 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Alternate Digivolution

            if (timing == EffectTiming.None)
            {
                bool PermanentCondition(Permanent targetPermanent)
                {
                    return targetPermanent.TopCard.EqualsCardName("Veemon") ||
                           (targetPermanent.TopCard.HasLevel && targetPermanent.TopCard.IsLevel3 &&
                            targetPermanent.TopCard.EqualsTraits("Hero"));
                }

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

            #endregion

            #region Blocker

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

            #endregion

            #region Armor Purge

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

            #endregion

            #region When Digivolving

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Unsuspend this Digimon and give 1 enemy Digimon DP-", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDescription());
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return
                        "[When Digivolving] This Digimon unsuspends. Then, to 1 of your opponent's Digimon give -2000 DP for the turn for each card with the [Armor Form] trait in your trash.";
                }

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

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleAreaDigimon(card);
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(new IUnsuspendPermanents(
                        new List<Permanent>() { card.PermanentOfThisCard() },
                        activateClass).Unsuspend());

                    if (CardEffectCommons.HasMatchConditionPermanent(CanSelectPermanentCondition))
                    {
                        int minusDP = -2000 * card.Owner.TrashCards.Count(
                            cardSource => cardSource.CardTraits.Contains("Armor Form") || cardSource.CardTraits.Contains("ArmorForm"));

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

                        selectPermanentEffect.SetUp(
                            selectPlayer: card.Owner,
                            canTargetCondition: CanSelectPermanentCondition,
                            canTargetCondition_ByPreSelecetedList: null,
                            canEndSelectCondition: null,
                            maxCount: 1,
                            canNoSelect: false,
                            canEndNotMax: false,
                            selectPermanentCoroutine: SelectPermanentCoroutine,
                            afterSelectPermanentCoroutine: null,
                            mode: SelectPermanentEffect.Mode.Custom,
                            cardEffect: activateClass);

                        selectPermanentEffect.SetUpCustomMessage($"Select 1 Digimon that will get DP {minusDP}.",
                            $"The opponent is selecting 1 Digimon that will get DP {minusDP}.");

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

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

            #endregion

            return cardEffects;
        }
    }
}