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

namespace DCGO.CardEffects.BT16
{
    public class BT16_052 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Alternate Digivolution Requirement

            if (timing == EffectTiming.None)
            {
                static bool PermanentCondition(Permanent targetPermanent)
                {
                    return targetPermanent.TopCard.CardNames.Contains("Hagurumon");
                }

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

            #endregion

            #region When Digivolving

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Play 1 [KoHagurumon] token", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, true, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[When Digivolving] You may play 1 [KoHagurumon] (Digimon/Black/1000 DP/<Blocker><Decoy(Black)>\"[Your Turn] This Digimon can't attack\") token.";
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleArea(card))
                    {
                        if (card.Owner.fieldCardFrames.Count((frame) => frame.IsEmptyFrame() && frame.IsBattleAreaFrame()) >= 1)
                        {
                            return true;
                        }
                    }

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.PlayKoHagurumonToken(activateClass));
                }
            }

            #endregion

            #region Inherited Effect

            cardEffects.Add(CardEffectFactory.BlockerSelfStaticEffect(true, card, null));

            #endregion

            return cardEffects;
        }
    }
}