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

// LordKnightmon
namespace DCGO.CardEffects.AD1
{
    public class AD1_018 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Reduce Play Cost
            if (timing == EffectTiming.None)
            {
                bool Condition()
                {
                    return CardEffectCommons.HasMatchConditionOwnersPermanent(card, WouldPlayCondition);
                }

                bool WouldPlayCondition(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnBattleAreaDigimon(permanent)
                            && (permanent.TopCard.ContainsCardName("Knightmon") || permanent.TopCard.ContainsCardName("Lucemon"));
                }

                cardEffects.Add(CardEffectFactory.MandatorySelfPlayCostReduction(5, card, Condition));
            }
            #endregion

            #region Shared OP/WD
            string SharedEffectName() => "1 of your Digimon becomes immune to enemy Digimon effects until end of their turn";

            string SharedEffectDescription(string tag) => $"[{tag}] Until your opponent's turn ends, their Digimon's effects don't affect 1 of your Digimon.";

            bool SharedCanActivateCondition(Hashtable hashtable)
            {
                return CardEffectCommons.IsExistOnBattleAreaDigimon(card);
            }

            bool SharedCanSelectPermanentCondition(Permanent permanent)
            {
                return CardEffectCommons.IsPermanentExistsOnOwnerBattleAreaDigimon(permanent, card);
            }

            IEnumerator SharedActivateCoroutine(Hashtable hashtable, ActivateClass activateClass)
            {
                SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();
                selectPermanentEffect.SetUp(
                            selectPlayer: card.Owner,
                            canTargetCondition: SharedCanSelectPermanentCondition,
                            canTargetCondition_ByPreSelecetedList: null,
                            canEndSelectCondition: null,
                            maxCount: 1,
                            canNoSelect: false,
                            canEndNotMax: false,
                            selectPermanentCoroutine: SelectPermanentCoroutine,
                            afterSelectPermanentCoroutine: null,
                            mode: SelectPermanentEffect.Mode.Custom,
                            cardEffect: activateClass);

                selectPermanentEffect.SetUpCustomMessage("Select 1 Digimon that will get immunity.", "The opponent is selecting 1 Digimon that will get immunity.");
                yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());

                IEnumerator SelectPermanentCoroutine(Permanent permanent)
                {
                    #region Give Digimon Effect Immunity
                    permanent.UntilOpponentTurnEndEffects.Add((_timing) => PermanentEffectFactory.DigimonEffectImmunity(permanent));

                    yield return ContinuousController.instance.StartCoroutine(GManager.instance.GetComponent<Effects>().CreateBuffEffect(permanent));
                    #endregion
                }
            }
            #endregion
                
            #region On Play
            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect(SharedEffectName(), CanUseCondition, card);
                activateClass.SetUpActivateClass(SharedCanActivateCondition, hash => SharedActivateCoroutine(hash, activateClass), -1, false, SharedEffectDescription("On Play"));
                cardEffects.Add(activateClass);

                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleAreaDigimon(card)
                        && CardEffectCommons.CanTriggerOnPlay(hashtable, card);
                }
            }
            #endregion

            #region When Digivolving
            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect(SharedEffectName(), CanUseCondition, card);
                activateClass.SetUpActivateClass(SharedCanActivateCondition, hash => SharedActivateCoroutine(hash, activateClass), -1, false, SharedEffectDescription("When Digivolving"));
                cardEffects.Add(activateClass);

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

            #region All Turns
            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("<De-Digivolve 2> 1 enemy Digimon", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, false, EffectDiscription());
                activateClass.SetHashString("AD1_018_AT");
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[All Turns] [Once Per Turn] When any of your Digimon with [Knightmon] or [Lucemon] in their texts are played, <De-Digivolve 2> 1 of your opponent's Digimon.";
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsExistOnBattleAreaDigimon(card)
                        && CardEffectCommons.CanTriggerOnPermanentPlay(hashtable, TriggerCondition);
                }

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

                bool TriggerCondition(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOwnerBattleAreaDigimon(permanent, card)
                        && (permanent.TopCard.HasText("Knightmon") || permanent.TopCard.HasText("Lucemon"));
                }

                bool CanSelectPermanentCondition(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card);
                }

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

                    SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();
                    selectPermanentEffect.SetUp(
                        selectPlayer: card.Owner,
                        canTargetCondition: CanSelectPermanentCondition,
                        canTargetCondition_ByPreSelecetedList: null,
                        canEndSelectCondition: null,
                        maxCount: 1,
                        canNoSelect: false,
                        canEndNotMax: false,
                        selectPermanentCoroutine: null,
                        afterSelectPermanentCoroutine: null,
                        mode: SelectPermanentEffect.Mode.Degenerate,
                        cardEffect: activateClass);

                    selectPermanentEffect.SetDegenerationCount(2);

                    selectPermanentEffect.SetUpCustomMessage("Select 1 opponent's Digimon to De-Digivolve", "The opponent is selecting 1 Digimon to De-Digivolve");
                    yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());
                }
            }
            #endregion

            #region Security
            if (timing == EffectTiming.SecuritySkill)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("<De-Digivolve 1> 1 enemy Digimon, delete 1 enemy Digimon with play cost of 3 or less", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDescription());
                activateClass.SetIsSecurityEffect(true);
                activateClass.SetIsDigimonEffect(true);
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return "[Security] <De-Digivolve 1> 1 of your opponent's Digimon. Then, delete 1 of your opponent's Digimon with a play cost of 3 or less.";
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    return card.Owner.ExecutingCards.Contains(card);
                }

                bool CanSelectPermanentCondition(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card);
                }

                bool CanSelectPermanentCondition1(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOpponentBattleAreaDigimon(permanent, card)
                        && permanent.TopCard.HasPlayCost
                        && permanent.TopCard.GetCostItself <= 3;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    int maxCount = Math.Min(1, CardEffectCommons.MatchConditionOpponentsPermanentCount(card, 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.Degenerate,
                        cardEffect: activateClass);

                    selectPermanentEffect.SetUpCustomMessage("Select 1 opponent's Digimon to De-Digivolve", "The opponent is selecting 1 Digimon to De-Digivolve");
                    yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect.Activate());

                    int maxCount1 = Math.Min(1, CardEffectCommons.MatchConditionOpponentsPermanentCount(card, CanSelectPermanentCondition1));

                    SelectPermanentEffect selectPermanentEffect1 = GManager.instance.GetComponent<SelectPermanentEffect>();

                    selectPermanentEffect1.SetUp(
                        selectPlayer: card.Owner,
                        canTargetCondition: CanSelectPermanentCondition1,
                        canTargetCondition_ByPreSelecetedList: null,
                        canEndSelectCondition: null,
                        maxCount: maxCount1,
                        canNoSelect: false,
                        canEndNotMax: false,
                        selectPermanentCoroutine: null,
                        afterSelectPermanentCoroutine: null,
                        mode: SelectPermanentEffect.Mode.Destroy,
                        cardEffect: activateClass);

                    yield return ContinuousController.instance.StartCoroutine(selectPermanentEffect1.Activate());
                }
            }
            #endregion

            return cardEffects;
        }
    }
}