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

// Rie Kishibe
namespace DCGO.CardEffects.BT22
{
    public class BT22_090 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Start of Main Phase

            if (timing == EffectTiming.OnStartMainPhase)
            {
                cardEffects.Add(CardEffectFactory.Gain1MemoryTamerOpponentDigimonEffect(card));
            }

            #endregion

            #region End of Your Turn

            if (timing == EffectTiming.OnEndTurn)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Delete 1 digimon or tamer [Knightmon] in text/[CS] trait, Digivolve into [LordKnightmon]", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, true, EffectDiscription());
                activateClass.SetHashString("BT22_090_Digivolve");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[End of Your Turn] [Once Per Turn] By deleting 1 of your other Digimon or Tamers with [Knightmon] in its text or the [CS] trait, this Tamer may digivolve into [LordKnightmon] in the hand with the digivolution cost reduced by 3.";
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleArea(card)
                        && CardEffectCommons.IsOwnerTurn(card);
                }

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleArea(card)
                        && CardEffectCommons.HasMatchConditionOwnersPermanent(card, IsValidPermament);
                }

                bool IsValidPermament(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOwnerBattleArea(permanent, card) &&
                           (permanent.IsDigimon || permanent.IsTamer) &&
                           (permanent.TopCard.HasText("Knightmon") || permanent.TopCard.HasCSTraits) &&
                           permanent != card.PermanentOfThisCard();
                }

                bool IsLordKnightmon(CardSource cardSource)
                {
                    return CardEffectCommons.IsExistOnHand(cardSource)
                        && cardSource.EqualsCardName("LordKnightmon");
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    if (CardEffectCommons.HasMatchConditionOwnersPermanent(card, IsValidPermament))
                    {
                        Permanent selectedYourPermanent = null;

                        #region Destroy Permanent

                        int maxCount = Math.Min(1, CardEffectCommons.MatchConditionOwnersPermanentCount(card, IsValidPermament));
                        SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();
                        selectPermanentEffect.SetUp(
                            selectPlayer: card.Owner,
                            canTargetCondition: IsValidPermament,
                            canTargetCondition_ByPreSelecetedList: null,
                            canEndSelectCondition: null,
                            maxCount: maxCount,
                            canNoSelect: false,
                            canEndNotMax: false,
                            selectPermanentCoroutine: SelectPermanentCoroutine,
                            afterSelectPermanentCoroutine: null,
                            mode: SelectPermanentEffect.Mode.Custom,
                            cardEffect: activateClass);

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

                        selectPermanentEffect.SetUpCustomMessage("Select 1 Digimon to delete", "The opponent is selecting 1 Digimon to delete");
                        yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());

                        #endregion

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

                            IEnumerator SuccessProcess(List<Permanent> permanents)
                            {
                                yield return ContinuousController.instance.StartCoroutine(
                                    CardEffectCommons.DigivolveIntoHandOrTrashCard(
                                        targetPermanent: card.PermanentOfThisCard(),
                                        cardCondition: IsLordKnightmon,
                                        payCost: true,
                                        reduceCostTuple: (reduceCost: 3, reduceCostCardCondition: null),
                                        fixedCostTuple: null,
                                        ignoreDigivolutionRequirementFixedCost: -1,
                                        isHand: true,
                                        activateClass: activateClass,
                                        successProcess: null));
                            }
                        }
                    }
                }
            }

            #endregion

            #region Security

            if (timing == EffectTiming.SecuritySkill)
            {
                cardEffects.Add(CardEffectFactory.PlaySelfTamerSecurityEffect(card));
            }

            #endregion

            return cardEffects;
        }
    }
}