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

// Yuugo Kamishiro
namespace DCGO.CardEffects.BT22
{
    public class BT22_094 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region On Play

            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Reveal top 3, add 1 [CS] card to hand, bottom deck the rest", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[On Play] Reveal the top 3 cards of your deck. Add 1 card with the [CS] trait among them to the hand. Return the rest to the bottom of the deck.";
                }

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

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

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    return cardSource.HasCSTraits;
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.SimplifiedRevealDeckTopCardsAndSelect(
                    revealCount: 3,
                    new SimplifiedSelectCardConditionClass[]
                    {
                        new SimplifiedSelectCardConditionClass(
                            canTargetCondition: CanSelectCardCondition,
                            message: "Select 1 [CS] Card",
                            mode: SelectCardEffect.Mode.AddHand,
                            maxCount: 1,
                            selectCardCoroutine: null),
                    },
                    remainingCardsPlace: RemainingCardsPlace.DeckBottom,
                    activateClass: activateClass
                    ));
                }
            }

            #endregion

            #region Your Turn
          
            #region Before Pay Cost

            if (timing == EffectTiming.BeforePayCost)
            {
                ActivateClass activateClass2 = new ActivateClass();
                activateClass2.SetUpICardEffect("Reduce play cost", CanUseCondition2, card);
                activateClass2.SetUpActivateClass(CanActivateCondition2, ActivateCoroutine2, -1, true, EffectDiscription2());
                cardEffects.Add(activateClass2);

                string EffectDiscription2()
                {
                    return "[Your Turn] When any of your Digimon or Tamers with the [CS] trait would be played, by returning this Tamer to the bottom of the deck, reduce the play cost by 2.";
                }

                bool PlayCardCondition(CardSource cardSource)
                {
                    return (cardSource.IsDigimon
                            || cardSource.IsTamer)
                        && cardSource.HasCSTraits
                        && cardSource.Owner == card.Owner;
                }

                bool CanUseCondition2(Hashtable hashtable)
                {
                    return CardEffectCommons.CanTriggerWhenPermanentWouldPlay(hashtable, PlayCardCondition)
                        && CardEffectCommons.IsExistOnBattleArea(card);
                }

                bool CanActivateCondition2(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleArea(card)
                        && CardEffectCommons.IsOwnerTurn(card);
                }

                IEnumerator ActivateCoroutine2(Hashtable _hashtable)
                {
                    Permanent bounceTargetPermanent = card.PermanentOfThisCard();

                    if (bounceTargetPermanent != null)
                    {
                        yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.DeckBouncePeremanentAndProcessAccordingToResult(
                            targetPermanents: new List<Permanent>() { bounceTargetPermanent },
                            activateClass: activateClass2,
                            successProcess: SuccessProcess(),
                            failureProcess: null));

                        IEnumerator SuccessProcess()
                        {
                            ContinuousController.instance.PlaySE(GManager.instance.GetComponent<Effects>().BuffSE);

                            ChangeCostClass changeCostClass = new ChangeCostClass();
                            changeCostClass.SetUpICardEffect("Cost -2", CanUseChangeCostCondition, card);
                            changeCostClass.SetUpChangeCostClass(changeCostFunc: ChangeCost, cardSourceCondition: CardSourceCondition, rootCondition: RootCondition, isUpDown: isUpDown, isCheckAvailability: () => false, isChangePayingCost: () => true);
                            card.Owner.UntilCalculateFixedCostEffect.Add((_timing) => changeCostClass);

                            yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.ShowReducedCost(_hashtable));

                            bool CanUseChangeCostCondition(Hashtable hashtable)
                            {
                                return true;
                            }

                            int ChangeCost(CardSource cardSource, int Cost, SelectCardEffect.Root root, List<Permanent> targetPermanents)
                            {
                                if (CardSourceCondition(cardSource)
                                && RootCondition(root)
                                && PermanentsCondition(targetPermanents))
                                {
                                    Cost -= 2;
                                }

                                return Cost;
                            }

                            bool PermanentsCondition(List<Permanent> targetPermanents)
                            {
                                return targetPermanents != null;
                            }

                            bool CardSourceCondition(CardSource cardSource)
                            {
                                if (cardSource != null)
                                {
                                    return cardSource.Owner == card.Owner;
                                }

                                return false;
                            }

                            bool RootCondition(SelectCardEffect.Root root) => true;

                            bool isUpDown() => true;
                        }
                    }
                }
            }

            #endregion

            #region Before Pay Cost (Not Shown)

            if (timing == EffectTiming.None)
            {
                ChangeCostClass changeCostClass = new ChangeCostClass();
                changeCostClass.SetUpICardEffect("Play Cost -2", CanUseChangeCostCondition, card);
                changeCostClass.SetUpChangeCostClass(changeCostFunc: ChangeCost, cardSourceCondition: CardSourceCondition, rootCondition: RootCondition, isUpDown: isUpDown, isCheckAvailability: () => true, isChangePayingCost: () => true);
                changeCostClass.SetNotShowUI(true);
                cardEffects.Add(changeCostClass);

                bool CanUseChangeCostCondition(Hashtable hashtable)
                {
                    return true;
                }

                int ChangeCost(CardSource cardSource, int Cost, SelectCardEffect.Root root, List<Permanent> targetPermanents)
                {
                    if (CardSourceCondition(cardSource)
                    && RootCondition(root)
                    && PermanentsCondition(targetPermanents))
                    {
                        Cost -= 2;
                    }

                    return Cost;
                }

                bool PermanentsCondition(List<Permanent> targetPermanents)
                {
                    return targetPermanents != null;
                }

                bool CardSourceCondition(CardSource cardSource)
                {
                    if (cardSource != null)
                    {
                        return cardSource.Owner == card.Owner;
                    }

                    return false;
                }

                bool RootCondition(SelectCardEffect.Root root) => true;

                bool isUpDown() => true;
            }

            #endregion

            #endregion

            #region Security

            if (timing == EffectTiming.SecuritySkill)
            {
                cardEffects.Add(CardEffectFactory.PlaySelfTamerSecurityEffect(card));
            }

            #endregion

            return cardEffects;
        }
    }
}