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

namespace DCGO.CardEffects.LM
{
    public class LM_027 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Main Effect
            if (timing == EffectTiming.OptionSkill)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Digivolve into a red Digimon from hand with reduced cost", CanUseCondition, card);
                activateClass.SetUpActivateClass(null, ActivateCoroutine, -1, false, EffectDescription());
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return "[Main] 1 of your red Digimon may digivolve into a red Digimon card in the hand with the digivolution cost reduced by 3. Then, place this card in the battle area.";
                }

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

                bool CanSelectHandCardCondition(CardSource cardSource)
                {
                    return cardSource.IsDigimon && cardSource.HasCardColor(CardColor.Red);
                }

                bool CanSelectOwnPermanentCondition(Permanent permanent)
                {
                    return CanSelectHandCardCondition(permanent.TopCard) &&
                           CardEffectCommons.IsPermanentExistsOnOwnerBattleAreaDigimon(permanent, card) &&
                           card.Owner.HandCards.Where(CanSelectHandCardCondition).Any(cardSource => cardSource.CanPlayCardTargetFrame(permanent.PermanentFrame, false, activateClass));
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    if (CardEffectCommons.HasMatchConditionPermanent(CanSelectOwnPermanentCondition))
                    {
                        Permanent selectedPermanent = null;

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

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

                        selectPermanentEffect.SetUpCustomMessage("Select 1 red Digimon that will digivolve.", "The opponent is selecting 1 Digimon that will digivolve.");

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

                        IEnumerator SelectPermanentCoroutine(Permanent permanent)
                        {
                            selectedPermanent = permanent;
                            yield return null;
                        }

                        if (selectedPermanent != null)
                        {
                            yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.DigivolveIntoHandOrTrashCard(
                                targetPermanent: selectedPermanent,
                                cardCondition: CanSelectHandCardCondition,
                                payCost: true,
                                reduceCostTuple: (reduceCost: 3, reduceCostCardCondition: null),
                                fixedCostTuple: null,
                                ignoreDigivolutionRequirementFixedCost: -1,
                                isHand: true,
                                activateClass: activateClass,
                                successProcess: null));
                        }
                    }

                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.PlaceDelayOptionCards(card: card, cardEffect: activateClass));
                }
            }
            #endregion

            #region Main Delay
            if (timing == EffectTiming.OnStartTurn)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Return a red Digimon to top of the deck from trash, then play a red Digimon from trash.", CanUseCondition, card);
                activateClass.SetUpActivateClass(null, ActivateCoroutine, -1, true, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[Start of your Turn] If your opponent has a Digimon, <Delay>.\r\n Return 1 red Digimon card from your trash to the top of the deck. Then, if you don't have a Digimon, you may play 1 red Digimon card with 2000 DP or less from your trash without paying the cost.";
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    return cardSource.IsDigimon && cardSource.HasCardColor(CardColor.Red);
                }

                bool CanSelectCardCondition1(CardSource cardSource)
                {
                    if (cardSource != null)
                    {
                        if (cardSource.Owner == card.Owner)
                        {
                            if (CardEffectCommons.CanPlayAsNewPermanent(cardSource: cardSource, payCost: false, cardEffect: activateClass))
                            {
                                if (cardSource.IsDigimon)
                                {
                                    if(cardSource.HasCardColor(CardColor.Red) && cardSource.CardDP <= 2000)
                                    {
                                        return true;
                                    }                               
                                }
                            }
                        }
                    }

                    return false;
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsOwnerTurn(card) &&
                           CardEffectCommons.IsExistOnBattleArea(card) &&
                           card.Owner.Enemy.GetBattleAreaDigimons().Count >= 1 &&
                           CardEffectCommons.CanDeclareOptionDelayEffect(card);
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    bool deleted = false;

                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.DeletePeremanentAndProcessAccordingToResult(targetPermanents: new List<Permanent>() { card.PermanentOfThisCard() }, activateClass: activateClass, successProcess: permanents => SuccessProcess(), failureProcess: null));

                    IEnumerator SuccessProcess()
                    {
                        deleted = true;

                        yield return null;
                    }

                    if (deleted)
                    {
                        if (card.Owner.TrashCards.Count(CanSelectCardCondition) >= 1)
                        {
                            int maxCount = 1;

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

                            selectCardEffect.SetUp(
                            canTargetCondition: (cardSource) => CanSelectCardCondition(cardSource),
                            canTargetCondition_ByPreSelecetedList: null,
                            canEndSelectCondition: null,
                            canNoSelect: () => false,
                            selectCardCoroutine: null,
                            afterSelectCardCoroutine: AfterSelectCardCoroutine,
                            message: "Select a red Digimon to place at the top of the deck\n(cards will be placed back to the top of the deck so that cards with lower numbers are on top).",
                            maxCount: maxCount,
                            canEndNotMax: false,
                            isShowOpponent: true,
                            mode: SelectCardEffect.Mode.Custom,
                            root: SelectCardEffect.Root.Trash,
                            customRootCardList: null,
                            canLookReverseCard: true,
                            selectPlayer: card.Owner,
                            cardEffect: activateClass);

                            selectCardEffect.SetNotAddLog();
                            selectCardEffect.SetUpCustomMessage_ShowCard("Deck Top Cards");

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

                            IEnumerator AfterSelectCardCoroutine(List<CardSource> cardSources)
                            {
                                if (cardSources.Count == 1)
                                {
                                    yield return ContinuousController.instance.StartCoroutine(CardObjectController.AddLibraryTopCards(cardSources));
                                }
                            }
                        }

                        if (card.Owner.GetBattleAreaDigimons().Count == 0)
                        {
                            if (CardEffectCommons.HasMatchConditionOwnersCardInTrash(card, (cardSource) => CanSelectCardCondition1(cardSource)))
                            {
                                int maxCount = Math.Min(1, card.Owner.TrashCards.Count((cardSource) => CanSelectCardCondition1(cardSource)));

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

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

                                selectCardEffect.SetUp(
                                            canTargetCondition: CanSelectCardCondition1,
                                            canTargetCondition_ByPreSelecetedList: null,
                                            canEndSelectCondition: null,
                                            canNoSelect: () => true,
                                            selectCardCoroutine: SelectCardCoroutine,
                                            afterSelectCardCoroutine: null,
                                            message: "Select 1 red Digimon with 2000 DP or less to play.",
                                            maxCount: maxCount,
                                            canEndNotMax: false,
                                            isShowOpponent: true,
                                            mode: SelectCardEffect.Mode.Custom,
                                            root: SelectCardEffect.Root.Trash,
                                            customRootCardList: null,
                                            canLookReverseCard: true,
                                            selectPlayer: card.Owner,
                                            cardEffect: activateClass);

                                selectCardEffect.SetUpCustomMessage("Select 1 red Digimon with 2000 DP or less 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.Trash, activateETB: true));
                            }
                        }
                    }                    
                }
            }
            #endregion

            #region Security
            if (timing == EffectTiming.SecuritySkill)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect($"Play a red Digimon from trash.", CanUseCondition, card);
                activateClass.SetUpActivateClass(null, ActivateCoroutine, -1, false, EffectDiscription());
                activateClass.SetIsSecurityEffect(true);
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[Security] You may play 1 red Digimon card with 2000 DP or less from your trash without paying the cost. Then, add this card to the hand.";
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    if (cardSource != null)
                    {
                        if (cardSource.Owner == card.Owner)
                        {
                            if (CardEffectCommons.CanPlayAsNewPermanent(cardSource: cardSource, payCost: false, cardEffect: activateClass))
                            {
                                if (cardSource.IsDigimon)
                                {
                                    if (cardSource.HasCardColor(CardColor.Red) && cardSource.CardDP <= 2000)
                                    {
                                        return true;
                                    }
                                }
                            }
                        }
                    }

                    return false;
                }

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

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

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

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

                        selectCardEffect.SetUp(
                                    canTargetCondition: CanSelectCardCondition,
                                    canTargetCondition_ByPreSelecetedList: null,
                                    canEndSelectCondition: null,
                                    canNoSelect: () => true,
                                    selectCardCoroutine: SelectCardCoroutine,
                                    afterSelectCardCoroutine: null,
                                    message: "Select 1 red Digimon with 2000 DP or less to play.",
                                    maxCount: maxCount,
                                    canEndNotMax: false,
                                    isShowOpponent: true,
                                    mode: SelectCardEffect.Mode.Custom,
                                    root: SelectCardEffect.Root.Trash,
                                    customRootCardList: null,
                                    canLookReverseCard: true,
                                    selectPlayer: card.Owner,
                                    cardEffect: activateClass);

                        selectCardEffect.SetUpCustomMessage("Select 1 red Digimon with 2000 DP or less 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.Trash, activateETB: true));
                    }

                    yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.AddThisCardToHand(card, activateClass));
                }
            }
            #endregion

            return cardEffects;
        }
    }
}