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

// Dokamon
namespace DCGO.CardEffects.BT23
{
    public class BT23_016 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Static Effects

            #region Alternative Digivolution Condition

            if (timing == EffectTiming.None)
            {
                bool PermanentCondition(Permanent targetPermanent)
                {
                    return targetPermanent.TopCard.HasAppmonTraits
                        && targetPermanent.TopCard.HasLevel
                        && targetPermanent.TopCard.IsLevel2;
                }

                cardEffects.Add(CardEffectFactory.AddSelfDigivolutionRequirementStaticEffect(
                    permanentCondition: PermanentCondition,
                    digivolutionCost: 0,
                    ignoreDigivolutionRequirement: false,
                    card: card,
                    condition: null)
                );
            }

            #endregion

            #region Link Condition

            if (timing == EffectTiming.None)
            {
                static bool PermanentCondition(Permanent targetPermanent)
                {
                    return targetPermanent.TopCard.HasAppmonTraits;
                }
                cardEffects.Add(CardEffectFactory.AddSelfLinkConditionStaticEffect(permanentCondition: PermanentCondition, linkCost: 1, card: card));
            }

            #endregion

            #region Link

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

            #endregion

            #endregion

            #region Your Turn

            if (timing == EffectTiming.WhenLinked)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Play [Eri Karan] from hand", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, true, EffectDiscription());
                activateClass.SetHashString("BT23_016_WL");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[Your Turn] [Once Per Turn] When this Digimon gets linked, if you have 1 or fewer Tamers, you may play 1 [Eri Karan] from your hand without paying the cost.";
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleAreaDigimon(card)
                        && CardEffectCommons.CanTriggerWhenLinked(hashtable, perm => perm == card.PermanentOfThisCard(), null);
                }

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

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    return cardSource.IsTamer
                        && cardSource.EqualsCardName("Eri Karan")
                        && CardEffectCommons.CanPlayAsNewPermanent(cardSource, false, activateClass);
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    if (CardEffectCommons.OwnerHas1OrLessTamers(card) && CardEffectCommons.HasMatchConditionOwnersHand(card, CanSelectCardCondition))
                    {
                        CardSource selectedCard = null;
                        int maxCount = Math.Min(1, CardEffectCommons.MatchConditionOwnersCardCountInHand(card, CanSelectCardCondition));

                        SelectHandEffect selectHandEffect = GManager.instance.GetComponent<SelectHandEffect>();

                        selectHandEffect.SetUp(
                            selectPlayer: card.Owner,
                            canTargetCondition: CanSelectCardCondition,
                            canTargetCondition_ByPreSelecetedList: null,
                            canEndSelectCondition: null,
                            maxCount: maxCount,
                            canNoSelect: true,
                            canEndNotMax: false,
                            isShowOpponent: true,
                            selectCardCoroutine: SelectCardCoroutine,
                            afterSelectCardCoroutine: null,
                            mode: SelectHandEffect.Mode.Custom,
                            cardEffect: activateClass);

                        IEnumerator SelectCardCoroutine(CardSource cardSource)
                        {
                            selectedCard = cardSource;
                            yield return null;
                        }

                        selectHandEffect.SetUpCustomMessage("Select 1 [Eri Karan] to play.", "The opponent is selecting 1 card to play.");
                        selectHandEffect.SetUpCustomMessage_ShowCard("Played Card");

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

                        if (selectedCard != null) yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.PlayPermanentCards(
                            cardSources: new List<CardSource>() { selectedCard },
                            activateClass: activateClass,
                            payCost: false,
                            isTapped: false,
                            root: SelectCardEffect.Root.Hand,
                            activateETB: true));
                    }
                }
            }

            #endregion

            #region Link Effect - When Linking

            if (timing == EffectTiming.WhenLinked)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Draw 1", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                activateClass.SetIsLinkedEffect(true);
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[When Linking] <Draw 1>";
                }

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

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

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(new DrawClass(
                        player: card.Owner,
                        drawCount: 1,
                        cardEffect: activateClass).Draw());
                }
            }

            #endregion

            return cardEffects;
        }
    }
}