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

// SymbareAngoramon
namespace DCGO.CardEffects.EX12
{
    public class EX12_050 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Alt Digivolution
            if (timing == EffectTiming.None)
            {
                bool PermanentCondition(Permanent permanent)
                {
                    return permanent.TopCard.EqualsCardName("Angoramon");
                }

                cardEffects.Add(CardEffectFactory.AddSelfDigivolutionRequirementStaticEffect(PermanentCondition, 2, false, card, null));
            }

            if (timing == EffectTiming.None)
            {
                bool PermanentCondition(Permanent permanent)
                {
                    return permanent.TopCard.EqualsTraits("NSp");
                }

                cardEffects.Add(CardEffectFactory.AddSelfDigivolutionRequirementStaticEffect(PermanentCondition, 2, false, card, null, level: 3));
            }
            #endregion

            #region Main
            if (timing == EffectTiming.OnDeclaration)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Play/Use 1 [Angoramon] in text/[NSp] from hand for 2 less", CanUseCondition, card);
                activateClass.SetUpActivateClass(null, ActivateCoroutine, 1, false, EffectDescription());
                activateClass.SetHashString("EX12_050_Main");
                cardEffects.Add(activateClass);

                string EffectDescription()
                    => "[Main] [Once Per Turn] You may play or use 1 card with [Angoramon] in its text or the [NSp] trait from your hand with the cost reduced by 2.";

                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleArea(card)
                        && CardEffectCommons.HasMatchConditionOwnersHand(card, CanSelectCardCondition);
                }         

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    return (cardSource.HasText("Angoramon")
                            || cardSource.EqualsTraits("NSp"))
                        && ((cardSource.IsOption
                            && !cardSource.CanNotPlayThisOption)
                        || (cardSource.HasPlayCost
                            && CardEffectCommons.CanPlayAsNewPermanent(cardSource, true, activateClass, fixedCost: cardSource.GetCostItself - 2)));
                }

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

                    CardSource selectedCard = null;

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

                    selectHandEffect.SetUp(
                        selectPlayer: card.Owner,
                        canTargetCondition: CanSelectCardCondition,
                        canTargetCondition_ByPreSelecetedList: null,
                        canEndSelectCondition: null,
                        maxCount: 1,
                        canNoSelect: true,
                        canEndNotMax: false,
                        isShowOpponent: true,
                        selectCardCoroutine: SelectCardCoroutine,
                        afterSelectCardCoroutine: null,
                        mode: SelectHandEffect.Mode.Custom,
                        cardEffect: activateClass);

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

                    IEnumerator SelectCardCoroutine(CardSource cardSource)
                    {
                        selectedCard = cardSource;
                        yield return null;
                    }

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

                    if (selectedCard != null)
                    {
                        isUsed = true;

                        #region reduce cost
                        int reducecost = 2;

                        ChangeCostClass changeCostClass = new ChangeCostClass();
                        changeCostClass.SetUpICardEffect($"Play/Use Cost -{reducecost}", CanUseCondition1, card);
                        changeCostClass.SetUpChangeCostClass(changeCostFunc: ChangeCost, cardSourceCondition: PlayOrUseCondition, rootCondition: RootCondition, isUpDown: isUpDown, isCheckAvailability: () => false, isChangePayingCost: () => true);
                        Func<EffectTiming, ICardEffect> getCardEffect = GetCardEffect;
                        card.Owner.UntilCalculateFixedCostEffect.Add(getCardEffect);

                        ICardEffect GetCardEffect(EffectTiming _timing)
                        {
                            if (_timing == EffectTiming.None)
                            {
                                return changeCostClass;
                            }

                            return null;
                        }

                        bool CanUseCondition1(Hashtable hashtable)
                        {
                            return true;
                        }

                        bool PlayOrUseCondition(CardSource cardSource)
                        {
                            return true;
                        }

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

                            return Cost;
                        }

                        bool PermanentsCondition(List<Permanent> targetPermanents)
                        {
                            return targetPermanents == null
                                    || targetPermanents.Count((targetPermanent) => targetPermanent != null) == 0;
                        }

                        bool RootCondition(SelectCardEffect.Root root)
                        {
                            return true;
                        }

                        bool isUpDown()
                        {
                            return true;
                        }
                        #endregion

                        if (selectedCard.IsOption)
                        {
                            yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.PlayOptionCards(
                                cardSources: new List<CardSource> { selectedCard },
                                activateClass: activateClass,
                                payCost: true,
                                root: SelectCardEffect.Root.Hand));
                        }
                        else
                        {
                            yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.PlayPermanentCards(
                                cardSources: new List<CardSource> { selectedCard },
                                activateClass: activateClass,
                                payCost: true,
                                isTapped: false,
                                root: SelectCardEffect.Root.Hand,
                                activateETB: true));
                        }

                        #region release reduction
                        card.Owner.UntilCalculateFixedCostEffect.Remove(getCardEffect);
                        #endregion

                        isUsed = true;
                    }

                    if (!isUsed) activateClass.RemoveUse();
                }
            }
            #endregion

            #region All Turns Inherited
            if (timing == EffectTiming.None)
            {
                bool Condition()
                {
                    return CardEffectCommons.IsExistOnBattleAreaDigimon(card);
                }

                cardEffects.Add(CardEffectFactory.ChangeSelfDPStaticEffect(changeValue: 1000, isInheritedEffect: true, card: card, condition: Condition));
            }
            #endregion

            return cardEffects;
        }
    }
}