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

namespace DCGO.CardEffects.BT20
{
    public class BT20_036 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region Alternate Digivolution Requirement

            if (timing == EffectTiming.None)
            {
                static bool PermanentCondition(Permanent targetPermanent)
                {
                    return targetPermanent.TopCard.HasLevel && targetPermanent.TopCard.IsLevel5 && targetPermanent.TopCard.EqualsTraits("ACCEL");
                }

                cardEffects.Add(CardEffectFactory.AddSelfDigivolutionRequirementStaticEffect(permanentCondition: PermanentCondition, digivolutionCost: 3, ignoreDigivolutionRequirement: false, card: card, condition: null));
            }

            #endregion

            #region Reduce Play Cost
            if (timing == EffectTiming.None)
            {
                bool Condition()
                {
                    return CardEffectCommons.HasMatchConditionPermanent(HasAccelTraitInPlay);
                }

                bool HasAccelTraitInPlay(Permanent permanent)
                {
                    return CardEffectCommons.IsPermanentExistsOnOwnerBattleAreaDigimon(permanent, card)
                        && permanent.TopCard.EqualsTraits("ACCEL");
                }

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

            #region On Play
            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("<De-Digivolve 2> 1 of your opponent's Digimon, then 1 gets -5000 DP", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDescription());
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return "[On Play] <De-Digivolve 2> 1 of your opponent's Digimon. Then, 1 of their Digimon gets -5000 DP until the end of their turn.";
                }

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

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

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

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();

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

                    selectPermanentEffect.SetUpCustomMessage("Select 1 Digimon that will <De-Digivolve 2>.", "The opponent is selecting 1 Digimon that will <De-Digivolve 2>.");

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

                    IEnumerator SelectedDedigivolvePermanent(Permanent target)
                    {
                        yield return ContinuousController.instance.StartCoroutine(new IDegeneration(target, 2, activateClass).Degeneration());
                    }

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

                    selectPermanentEffect.SetUpCustomMessage("Select 1 Digimon that will gain effect and DP -5000.", "The opponent is selecting 1 Digimon that will gain effect and DP -5000.");

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

                    IEnumerator SelectedPermanent(Permanent target)
                    {
                        yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.ChangeDigimonDP(targetPermanent: target, changeValue: -5000, effectDuration: EffectDuration.UntilOpponentTurnEnd, activateClass: activateClass));
                    }
                }
            }
            #endregion

            #region When Digivolving
            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("<De-Digivolve 2> 1 of your opponent's Digimon, then 1 gets -5000 DP", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, false, EffectDescription());
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return "[When Digivolving] <De-Digivolve 2> 1 of your opponent's Digimon. Then, 1 of their Digimon gets -5000 DP until the end of their turn.";
                }

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

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

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

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();

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

                    selectPermanentEffect.SetUpCustomMessage("Select 1 Digimon that will <De-Digivolve 2>.", "The opponent is selecting 1 Digimon that will <De-Digivolve 2>.");

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

                    IEnumerator SelectedDedigivolvePermanent(Permanent target)
                    {
                        yield return ContinuousController.instance.StartCoroutine(new IDegeneration(target, 2, activateClass).Degeneration());
                    }

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

                    selectPermanentEffect.SetUpCustomMessage("Select 1 Digimon that will gain effect and DP -5000.", "The opponent is selecting 1 Digimon that will gain effect and DP -5000.");

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

                    IEnumerator SelectedPermanent(Permanent target)
                    {
                        yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.ChangeDigimonDP(targetPermanent: target, changeValue: -5000, effectDuration: EffectDuration.UntilOpponentTurnEnd, activateClass: activateClass));
                    }
                }
            }
            #endregion

            #region End of Turn
            if (timing == EffectTiming.OnEndTurn)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("DNA digivolve this Digimon", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, true, EffectDescription());
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return "[End of Your Turn] This Digimon and any of your other Digimon may DNA digivolve into a Digimon card with [Chaosmon] in its name in the hand. Then, the DNA digivolved Digimon may attack.";
                }

                bool CanSelectCardCondition(CardSource cardSource)
                {
                    if (cardSource != null)
                    {
                        if (cardSource.IsDigimon)
                        {
                            if (cardSource.ContainsCardName("Chaosmon"))
                            {
                                if (cardSource.CanPlayJogress(true))
                                {
                                    if (cardSource.CanJogressFromTargetPermanent(card.PermanentOfThisCard(), true))
                                    {
                                        return true;
                                    }
                                }
                            }                            
                        }
                    }

                    return false;
                }

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

                bool CanActivateCondition(Hashtable hashtable)
                {
                    if (CardEffectCommons.IsExistOnBattleAreaDigimon(card))
                    {
                        if (CardEffectCommons.IsOwnerTurn(card))
                        {
                            if(CardEffectCommons.HasMatchConditionOwnersHand(card, CanSelectCardCondition))
                            {
                                if (CardEffectCommons.HasMatchConditionOwnersPermanent(card, (permanent) => permanent.IsDigimon && permanent != card.PermanentOfThisCard()))
                                {
                                    return true;
                                }
                            }
                        }
                    }

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable _hashtable)
                {
                    yield return ContinuousController.instance.StartCoroutine(
                                         CardEffectCommons.DNADigivolvePermanentsIntoHandOrTrashCard(
                                             CanSelectCardCondition,
                                             payCost: true,
                                             isHand: true,
                                             activateClass,
                                             permanentConditions: new Func<Permanent, bool>[] { (permanent) => permanent == card.PermanentOfThisCard() },
                                             successProcess: OnDNASuccess
                                         ));

                    IEnumerator OnDNASuccess(CardSource cardSource)
                    {
                        SelectAttackEffect selectAttackEffect = GManager.instance.GetComponent<SelectAttackEffect>();

                        selectAttackEffect.SetUp(
                            attacker: cardSource.PermanentOfThisCard(),
                            canAttackPlayerCondition: () => true,
                            defenderCondition: _ => true,
                            cardEffect: activateClass);

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

            #region Redirect - ESS
            if (timing == EffectTiming.OnAllyAttack)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("You may change the attack target to this Digimon.", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, 1, true, EffectDescription());
                activateClass.SetHashString("Redirect_BT20-036");
                activateClass.SetIsInheritedEffect(true);
                cardEffects.Add(activateClass);

                string EffectDescription()
                {
                    return "[Opponent's Turn] [Once Per Turn] When any of your opponent's Digimon attack, you may change the attack target to this Digimon.";
                }

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

                bool IsThisDigimon(Permanent permanent)
                {
                    return permanent == card.PermanentOfThisCard();
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    return CardEffectCommons.IsOpponentTurn(card) &&
                           CardEffectCommons.CanTriggerOnPermanentAttack(hashtable, IsOpponentDigimon);
                }

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

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    SelectPermanentEffect selectPermanentEffect = GManager.instance.GetComponent<SelectPermanentEffect>();

                    selectPermanentEffect.SetUp(
                        selectPlayer: card.Owner,
                        canTargetCondition: IsThisDigimon,
                        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 to attack.",
                        "The opponent is selecting 1 Digimon to attack.");

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

                    IEnumerator SelectPermanentCoroutine(Permanent permanent)
                    {
                        yield return ContinuousController.instance.StartCoroutine(GManager.instance.attackProcess.SwitchDefender(
                            activateClass,
                            false,
                            permanent));
                    }
                }
            }
            #endregion

            return cardEffects;
        }
    }
}