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

namespace DCGO.CardEffects.BT19
{
    public class BT19_100 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Security - Face up
            if (timing == EffectTiming.OnAllyAttack)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("-1000DP for each digivolution source", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[Security] [Opponent's Turn] When an opponent's Digimon attacks, if all of your Digimon and Tamers have the [D-Reaper] trait, for each of 1 of your [Mother D-Reaper]'s digivolution cards, the attacking Digimon get -1000 DP for the turn.";
                }

                bool IsMotherDReaper(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOwnerBattleAreaDigimon(permanent, card) &&
                           permanent.TopCard.EqualsCardName("Mother D-Reaper");
                }

                bool HaveAllDReaper()
                {
                    foreach (Permanent permanent in card.Owner.GetBattleAreaPermanents())
                    {
                        if (permanent.TopCard.IsOption)
                            continue;

                        if (!permanent.TopCard.EqualsTraits("D-Reaper"))
                            return false;
                    }

                    return true;
                }

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

                bool CanUseCondition(Hashtable hashtable)
                {
                    return  CardEffectCommons.IsOpponentTurn(card) &&
                            CardEffectCommons.CanTriggerOnPermanentAttack(hashtable, CanSelectOpponentsDigimon);
                }

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistInSecurity(card) &&
                           HaveAllDReaper() &&
                           CardEffectCommons.HasMatchConditionOwnersPermanent(card, IsMotherDReaper);
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    Permanent selectedPermanent = GManager.instance.attackProcess.AttackingPermanent;
                    Permanent selectedMother = null;

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

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

                    selectPermanentEffect.SetUpCustomMessage($"Choose 1 [Mother D-Reaper].", "The opponent is choosing 1 [Mother D-Reaper].");

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

                    IEnumerator SelectMotherCoroutine(Permanent permanent)
                    {
                        selectedMother = permanent;

                        yield return null;
                    }

                    if (selectedMother != null)
                    {
                        if (selectedPermanent != null)
                        {
                            yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.ChangeDigimonDP(
                                                            targetPermanent: selectedPermanent,
                                                            changeValue: -1000 * selectedMother.DigivolutionCards.Count,
                                                            effectDuration: EffectDuration.UntilEachTurnEnd,
                                                            activateClass: activateClass));
                        }
                    }
                }
            }
            #endregion

            #region Main
            if (timing == EffectTiming.OptionSkill)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Trash top security, place this as face up top of security", CanUseCondition, card);
                activateClass.SetUpActivateClass(null, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[Main] If you have no face-up security cards, by trashing your top security card, place this card face up as your top security card.";
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.CanTriggerOptionMainEffect(hashtable, card) &&
                           card.Owner.SecurityCards.Count > 0 &&
                           card.Owner.SecurityCards.Count(source => !source.IsFlipped) == 0;
                           ;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(new IDestroySecurity(
                            player: card.Owner,
                            destroySecurityCount: 1,
                            cardEffect: activateClass,
                            fromTop: true).DestroySecurity());

                    // Place this card face up as the top security card
                    if (card.Owner.CanAddSecurity(activateClass))
                    {
                        yield return ContinuousController.instance.StartCoroutine(CardObjectController.AddSecurityCard(
                            card, toTop: true, faceUp: true));
                    }
                }
            }
            #endregion

            #region Security
            if (timing == EffectTiming.SecuritySkill)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect($"Play 1 [D-Reaper] trait card from hand.", CanUseCondition, card);
                activateClass.SetUpActivateClass(null, ActivateCoroutine, -1, false, EffectDiscription());
                activateClass.SetIsSecurityEffect(true);
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[Security] You may play 1 [D-Reaper] trait card with a play cost equal to or lower than the number of digivolution cards of 1 of your [Mother D-Reaper]'s from your hand without paying the cost.";
                }

                int getMaxCount()
                {
                    int count = 0;

                    foreach (Permanent permanent in card.Owner.GetBattleAreaPermanents().Filter(IsMotherDReaper))
                    {
                        if (permanent.DigivolutionCards.Count > count)
                            count = permanent.DigivolutionCards.Count;
                    }

                    return count;
                }

                bool IsMotherDReaper(Permanent permanent)
                {
                    return permanent.TopCard.EqualsCardName("Mother D-Reaper");
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    if (cardSource != null)
                    {
                        if (cardSource.Owner == card.Owner)
                        {
                            if (CardEffectCommons.CanPlayAsNewPermanent(cardSource: cardSource, payCost: false, cardEffect: activateClass))
                            {
                                if (cardSource.GetCostItself <= getMaxCount())
                                {
                                    return true;
                                }
                            }
                        }
                    }

                    return false;
                }

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

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    if (CardEffectCommons.HasMatchConditionOwnersHand(card, (cardSource) => CanSelectCardCondition(cardSource)))
                    {
                        int maxCount = Math.Min(1, card.Owner.HandCards.Count((cardSource) => CanSelectCardCondition(cardSource)));

                        List<CardSource> selectedCards = new List<CardSource>();

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

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

                        selectCardEffect.SetUpCustomMessage("Select 1 card to play.", "The opponent is selecting 1 card to play.");
                        selectCardEffect.SetUpCustomMessage_ShowCard("Played Card");

                        yield return StartCoroutine(selectCardEffect.Activate());

                        IEnumerator SelectCardCoroutine(CardSource cardSource)
                        {
                            selectedCards.Add(cardSource);

                            yield return null;
                        }

                        yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.PlayPermanentCards(cardSources: selectedCards, activateClass: activateClass, payCost: false, isTapped: false, root: SelectCardEffect.Root.Hand, activateETB: true));
                    }
                }
            }
            #endregion

            return cardEffects;
        }
    }
}