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

public class ST14_09 : CEntity_Effect
{
    public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
    {
        List<ICardEffect> cardEffects = new List<ICardEffect>();

        if (timing == EffectTiming.None)
        {
            int count()
            {
                return 4 * (card.Owner.TrashCards.Count / 10);
            }

            ChangeCostClass changeCostClass = new ChangeCostClass();
            changeCostClass.SetUpICardEffect($"Reduce Play Cost", CanUseCondition, card);
            changeCostClass.SetUpChangeCostClass(changeCostFunc: ChangeCost, cardSourceCondition: CardSourceCondition, rootCondition: RootCondition, isUpDown: isUpDown, isCheckAvailability: () => false, isChangePayingCost: () => true);
            cardEffects.Add(changeCostClass);

            bool CanUseCondition(Hashtable hashtable)
            {
                if (card.Owner.HandCards.Contains(card))
                {
                    return true;
                }

                return false;
            }

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

                return Cost;
            }

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

                else
                {
                    if (targetPermanents.Count((targetPermanent) => targetPermanent != null) == 0)
                    {
                        return true;
                    }
                }

                return false;
            }

            bool CardSourceCondition(CardSource cardSource)
            {
                return cardSource == card;
            }

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

                return false;
            }

            bool isUpDown()
            {
                return true;
            }
        }

        if (timing == EffectTiming.OnDiscardLibrary)
        {
            ActivateClass activateClass = new ActivateClass();
            activateClass.SetUpICardEffect("Play 1 [Impmon] from trash", CanUseCondition, card);
            activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, true, EffectDiscription());
            activateClass.SetHashString("PlayImpmon_ST14_09");
            cardEffects.Add(activateClass);

            string EffectDiscription()
            {
                return "[All Turns][Once Per Turn] When a card is trashed from your deck, you may play 1 [Impmon] from your trash without paying the cost. The Digimon played by this effect gains <Rush> for the turn.";
            }

            bool CanSelectCardCondition(CardSource cardSource)
            {
                if (cardSource.CardNames.Contains("Impmon"))
                {
                    if (CardEffectCommons.CanPlayAsNewPermanent(cardSource: cardSource, payCost: false, cardEffect: activateClass))
                    {
                        return true;
                    }
                }

                return false;
            }

            bool CanUseCondition(Hashtable hashtable)
            {
                if (CardEffectCommons.IsExistOnBattleArea(card))
                {
                    if (CardEffectCommons.CanTriggerWhenDiscardLibrary(hashtable, cardSource => cardSource.Owner == card.Owner))
                    {
                        return true;
                    }
                }

                return false;
            }

            bool CanActivateCondition(Hashtable hashtable)
            {
                if (CardEffectCommons.IsExistOnBattleArea(card))
                {
                    if (CardEffectCommons.HasMatchConditionOwnersCardInTrash(card, (cardSource) => CanSelectCardCondition(cardSource)))
                    {
                        return true;
                    }
                }

                return false;
            }

            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 card 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 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.Trash, activateETB: true));

                    foreach (CardSource cardSource in selectedCards)
                    {
                        if (CardEffectCommons.IsExistOnBattleArea(cardSource))
                        {
                            Permanent selectedPermanent = cardSource.PermanentOfThisCard();

                            yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.GainRush(
                                targetPermanent: selectedPermanent,
                                effectDuration: EffectDuration.UntilEachTurnEnd,
                                activateClass: activateClass));
                        }
                    }
                }
            }
        }

        if (timing == EffectTiming.OnAllyAttack)
        {
            ActivateClass activateClass = new ActivateClass();
            activateClass.SetUpICardEffect("Trash 1 card from deck top", CanUseCondition, card);
            activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDiscription());
            cardEffects.Add(activateClass);

            string EffectDiscription()
            {
                return "[Opponent's Turn] When an opponent's Digimon attacks, trash the top card of your deck.";
            }

            bool PermanentCondition(Permanent permanent)
            {
                return CardEffectCommons.IsOpponentPermanent(permanent, card);
            }

            bool CanUseCondition(Hashtable hashtable)
            {
                if (CardEffectCommons.IsExistOnBattleArea(card))
                {
                    if (CardEffectCommons.IsOpponentTurn(card))
                    {
                        if (CardEffectCommons.CanTriggerOnPermanentAttack(hashtable, PermanentCondition))
                        {
                            return true;
                        }
                    }
                }

                return false;
            }

            bool CanActivateCondition(Hashtable hashtable)
            {
                if (CardEffectCommons.IsExistOnBattleArea(card))
                {
                    if (card.Owner.LibraryCards.Count >= 1)
                    {
                        return true;
                    }
                }

                return false;
            }

            IEnumerator ActivateCoroutine(Hashtable _hashtable)
            {
                yield return ContinuousController.instance.StartCoroutine(new IAddTrashCardsFromLibraryTop(1, card.Owner, activateClass).AddTrashCardsFromLibraryTop());
            }
        }

        return cardEffects;
    }
}