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

namespace DCGO.CardEffects.BT18
{
    public class BT18_029 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region DigiXros
            if (timing == EffectTiming.None)
            {
                AddDigiXrosConditionClass addDigiXrosConditionClass = new AddDigiXrosConditionClass();
                addDigiXrosConditionClass.SetUpICardEffect($"DigiXros -2", CanUseCondition, card);
                addDigiXrosConditionClass.SetUpAddDigiXrosConditionClass(getDigiXrosCondition: GetDigiXros);
                addDigiXrosConditionClass.SetNotShowUI(true);
                cardEffects.Add(addDigiXrosConditionClass);

                bool CanUseCondition(Hashtable hashtable)
                {
                    return true;
                }

                DigiXrosCondition GetDigiXros(CardSource cardSource)
                {
                    if (cardSource == card)
                    {
                        DigiXrosConditionElement elementLanamon =
                            new DigiXrosConditionElement(CanSelectCardCondition, "Lanamon");

                        bool CanSelectCardCondition(CardSource conditionCardSource)
                        {
                            if (conditionCardSource != null)
                            {
                                if (conditionCardSource.Owner == card.Owner)
                                {
                                    if (conditionCardSource.IsDigimon)
                                    {
                                        if (conditionCardSource.CardNames_DigiXros.Contains("Lanamon"))
                                        {
                                            return true;
                                        }
                                    }
                                }
                            }

                            return false;
                        }

                        DigiXrosConditionElement elementCalmaramon =
                            new DigiXrosConditionElement(CanSelectCardCondition1, "Calmaramon");

                        bool CanSelectCardCondition1(CardSource conditionCardSource)
                        {
                            if (conditionCardSource != null)
                            {
                                if (conditionCardSource.Owner == card.Owner)
                                {
                                    if (conditionCardSource.IsDigimon)
                                    {
                                        if (conditionCardSource.CardNames_DigiXros.Contains("Calmaramon"))
                                        {
                                            return true;
                                        }
                                    }
                                }
                            }

                            return false;
                        }

                        List<DigiXrosConditionElement> elements = new List<DigiXrosConditionElement>()
                            { elementLanamon, elementCalmaramon };

                        DigiXrosCondition digiXrosCondition = new DigiXrosCondition(elements, null, 2);

                        return digiXrosCondition;
                    }

                    return null;
                }
            }
            #endregion

            #region On Play
            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Return 1 level 4 or lower Digimon to hand", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[On Play] Return 1 of your opponent's level 4 or lower Digimon to the hand. For each of your other Digimon, add 1 to this effect's level maximum.";
                }

                bool CanSelectPermanentCondition(Permanent permanent)
                {
                    if (CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card))
                    {
                        int maxCost = 4;

                        maxCost += card.Owner.GetBattleAreaDigimons().Count((permanent) => permanent != card.PermanentOfThisCard());

                        if (permanent.TopCard.Level <= maxCost)
                        {
                            if (permanent.TopCard.HasLevel)
                            {
                                return true;
                            }
                        }
                    }

                    return false;
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleAreaDigimon(card))
                    {
                        if (CardEffectCommons.HasMatchConditionPermanent(CanSelectPermanentCondition))
                        {
                            return true;
                        }
                    }

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                     int maxCount = Math.Min(1, CardEffectCommons.MatchConditionPermanentCount(CanSelectPermanentCondition));

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

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

                     yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());                   
                }
            }
            #endregion

            #region When Digivolving
            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Return 1 level 4 or lower Digimon to hand", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[When Digivolving] Return 1 of your opponent's level 4 or lower Digimon to the hand. For each of your other Digimon, add 1 to this effect's level maximum.";
                }

                bool CanSelectPermanentCondition(Permanent permanent)
                {
                    if (CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card))
                    {
                        int maxCost = 4;

                        maxCost += card.Owner.GetBattleAreaDigimons().Count((permanent) => permanent != card.PermanentOfThisCard());

                        if (permanent.TopCard.Level <= maxCost)
                        {
                            if (permanent.TopCard.HasLevel)
                            {
                                return true;
                            }
                        }
                    }

                    return false;
                }

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

                    return false;
                }

                bool CanActivateCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleAreaDigimon(card))
                    {
                        if (CardEffectCommons.HasMatchConditionPermanent(CanSelectPermanentCondition))
                        {
                            return true;
                        }
                    }

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                     int maxCount = Math.Min(1, CardEffectCommons.MatchConditionPermanentCount(CanSelectPermanentCondition));
                
                     SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();
                
                     selectPermanentEffect.SetUp(
                         selectPlayer: card.Owner,
                         canTargetCondition: CanSelectPermanentCondition,
                         canTargetCondition_ByPreSelecetedList: null,
                         canEndSelectCondition: null,
                         maxCount: maxCount,
                         canNoSelect: false,
                         canEndNotMax: false,
                         selectPermanentCoroutine: null,
                         afterSelectPermanentCoroutine: null,
                         mode: SelectPermanentEffect.Mode.Bounce,
                         cardEffect: activateClass);
                
                     yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());           
                }
            }
            #endregion

            #region All Turns
            if (timing == EffectTiming.WhenRemoveField)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Return this Digimon to the hand or play a Digimon from the digivolution sources.", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, true, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[All Turns] When this Digimon would leave the battle area, you may return to the hand or play 1 level 4 or lower blue Digimon card from this Digimon's digivolution cards without paying the cost.";
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    if (cardSource != null)
                    {
                        if (cardSource.Owner == card.Owner)
                        {
                            if (cardSource.IsDigimon)
                            {
                                if (cardSource.Level <= 4)
                                {
                                    if (cardSource.HasCardColor(CardColor.Blue))
                                    {
                                        if (cardSource.HasLevel)
                                        {
                                            return true;
                                        }                                     
                                    }
                                }
                            }
                        }
                    }

                    return false;
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleAreaDigimon(card))
                    {
                        if (CardEffectCommons.CanTriggerWhenRemoveField(hashtable, card))
                        {
                            return true;
                        }
                    }

                    return false;
                }

                bool CanActivateCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleAreaDigimon(card))
                    {
                        if (card.PermanentOfThisCard().DigivolutionCards.Count(CanSelectCardCondition) >= 1)
                        {
                            return true;
                        }
                    }

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    bool canSelectDigivolutionCards = CardEffectCommons.IsExistOnBattleArea(card)
                    && card.PermanentOfThisCard().DigivolutionCards.Count(CanSelectCardCondition) >= 1;

                    if (canSelectDigivolutionCards)
                    {
                        if (canSelectDigivolutionCards)
                        {
                            List<SelectionElement<bool>> selectionElements = new List<SelectionElement<bool>>()
                        {
                            new SelectionElement<bool>(message: $"Return to hand", value : true, spriteIndex: 0),
                            new SelectionElement<bool>(message: $"Play a Digimon", value : false, spriteIndex: 1),
                        };

                            string selectPlayerMessage = "Do you want to return to hand or play 1 level 4 or lower Digimon from its digivolution sources";
                            string notSelectPlayerMessage = "The opponent is choosing which effect to activate.";

                            GManager.instance.userSelectionManager.SetBoolSelection(selectionElements: selectionElements, selectPlayer: card.Owner, selectPlayerMessage: selectPlayerMessage, notSelectPlayerMessage: notSelectPlayerMessage);
                        }

                        yield return ContinuousController.instance.StartCoroutine(GManager.instance.userSelectionManager.WaitForEndSelect());

                        bool toHand = GManager.instance.userSelectionManager.SelectedBoolValue;

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

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

                            yield return null;
                        }

                        if (toHand)
                        {
                            SelectCardEffect selectCardEffect = GManager.instance.GetComponent<SelectCardEffect>();

                            selectCardEffect.SetUp(
                                       canTargetCondition: CanSelectCardCondition,
                                       canTargetCondition_ByPreSelecetedList: null,
                                       canEndSelectCondition: null,
                                       canNoSelect: () => true,
                                       selectCardCoroutine: SelectCardCoroutine,
                                       afterSelectCardCoroutine: null,
                                       message: "Select 1 card to return to hand.",
                                       maxCount: 1,
                                       canEndNotMax: false,
                                       isShowOpponent: true,
                                       mode: SelectCardEffect.Mode.AddHand,
                                       root: SelectCardEffect.Root.Custom,
                                       customRootCardList: card.PermanentOfThisCard().DigivolutionCards,
                                       canLookReverseCard: true,
                                       selectPlayer: card.Owner,
                                       cardEffect: activateClass);

                            yield return StartCoroutine(selectCardEffect.Activate());
                        }

                        else
                        {
                            SelectCardEffect selectCardEffect = GManager.instance.GetComponent<SelectCardEffect>();

                            selectCardEffect.SetUp(
                                        canTargetCondition: CanSelectCardCondition,
                                        canTargetCondition_ByPreSelecetedList: null,
                                        canEndSelectCondition: null,
                                        canNoSelect: () => true,
                                        selectCardCoroutine: SelectCardCoroutine,
                                        afterSelectCardCoroutine: null,
                                        message: "Select 1 card to play.",
                                        maxCount: 1,
                                        canEndNotMax: false,
                                        isShowOpponent: true,
                                        mode: SelectCardEffect.Mode.Custom,
                                        root: SelectCardEffect.Root.Custom,
                                        customRootCardList: card.PermanentOfThisCard().DigivolutionCards,
                                        canLookReverseCard: true,
                                        selectPlayer: card.Owner,
                                        cardEffect: activateClass);

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

                            yield return StartCoroutine(selectCardEffect.Activate());
                        }

                        SelectCardEffect.Root root = SelectCardEffect.Root.Hand;

                        if (!toHand)
                        {
                            root = SelectCardEffect.Root.DigivolutionCards;

                            if (CardEffectCommons.CanPlayAsNewPermanent(cardSource: selectedCards[0], payCost: false, cardEffect: activateClass))
                            {
                                yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.PlayPermanentCards(
                                                            cardSources: selectedCards,
                                                            activateClass: activateClass,
                                                            payCost: false,
                                                            isTapped: false,
                                                            root: root,
                                                            activateETB: true));
                            }                         
                        }                    
                    }
                }
            }
            #endregion

            return cardEffects;
        }
    }
}