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

// Iron Slash
namespace DCGO.CardEffects.BT25
{
    public class BT25_100 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Static Effects

            #region Link Condition

            if (timing == EffectTiming.None)
            {
                static bool PermanentCondition(Permanent targetPermanent)
                {
                    return targetPermanent.IsDigimon && targetPermanent.TopCard.HasTSTraits;
                }

                cardEffects.Add(CardEffectFactory.AddSelfLinkConditionStaticEffect(permanentCondition: PermanentCondition, linkCost: 2, card: card));
            }

            #endregion

            #region Link
            if (timing == EffectTiming.OnDeclaration)
            {
                cardEffects.Add(CardEffectFactory.LinkEffect(card));
            }
            #endregion

            #region Use Requirement
            if (timing == EffectTiming.None)
            {
                bool CardCondition(CardSource cardSource) => cardSource.HasTSTraits;
                cardEffects.Add(CardEffectFactory.UseRequirements(card, CardCondition));
            }
            #endregion

            #region Link Inherit

            #region Collision

            if (timing == EffectTiming.OnCounterTiming)
            {
                cardEffects.Add(CardEffectFactory.CollisionSelfStaticEffect(false, card, null, true));
            }

            #endregion

            #region Piercing
            if (timing == EffectTiming.OnDetermineDoSecurityCheck)
            {
                cardEffects.Add(CardEffectFactory.PierceSelfEffect(isInheritedEffect: false, card: card, condition: null, isLinkedEffect: true));
            }
            #endregion

            #endregion

            #endregion

            #region Main
            if (timing == EffectTiming.OptionSkill)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("De-Digi(2) 1 opponent digimon, then may link to 1 of your digimon on the field", CanUseCondition, card);
                activateClass.SetUpActivateClass(null, ActivateCoroutine, -1, false, EffectDescription());
                cardEffects.Add(activateClass);

                string EffectDescription()
                    => "[Main] <De-Digivolve 2> 1 of your opponent's Digimon. Then, you may link this card to 1 of your Digimon on the field without paying the cost.";

                bool CanUseCondition(Hashtable hashtable)
                    => CardEffectCommons.CanTriggerOptionMainEffect(hashtable, card);

                bool CanSelectOwnerPermamentCondition(Permanent permanent)
                {
                    return CardEffectCommons.IsOwnerPermanent(permanent, card)
                        && permanent.IsDigimon
                        && card.CanLinkToTargetPermanent(permanent, false, true);
                }

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

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    // De-Digi(2) 1 opponent digimon
                    if (CardEffectCommons.HasMatchConditionOpponentsPermanent(card, CanSelectEnemyPermamentCondition))
                    {
                        int maxCount = Math.Min(1, CardEffectCommons.MatchConditionPermanentCount(CanSelectEnemyPermamentCondition));
                        SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();

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

                        selectPermanentEffect.SetDegenerationCount(2);
                        selectPermanentEffect.SetUpCustomMessage("Select 1 Digimon to De-Digi(2)", "The opponent is selecting 1 Digimon to De-Digi(2).");
                        yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());

                    }

                    // Link to 1 Owner digimon on the field
                    if (CardEffectCommons.HasMatchConditionPermanent(CanSelectOwnerPermamentCondition, true))
                    {
                        Permanent selectedPermament = null;

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

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

                        IEnumerator SelectPermanentCoroutine(Permanent permanent)
                        {
                            selectedPermament = permanent;
                            yield return null;
                        }

                        selectPermanentEffect.SetUpCustomMessage("Select 1 Digimon to link this card to", "The opponent is selecting 1 Digimon to link this card to.");
                        yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());

                        if (selectedPermament != null) yield return ContinuousController.instance.StartCoroutine(selectedPermament.AddLinkCard(
                            addedLinkCard: card,
                            cardEffect: activateClass));
                    }
                }
            }
            #endregion

            #region Security
            if (timing == EffectTiming.SecuritySkill)
            {
                string EffectDiscription() => "[Security] Activate this card's [Main] effect.";

                CardEffectCommons.AddActivateMainOptionSecurityEffect(card: card, cardEffects: ref cardEffects, effectName: $"De-Digi(2) 1 opponent digimon, then may link to 1 digimon on the field", effectDiscription: EffectDiscription());
            }
            #endregion

            return cardEffects;
        }
    }
}