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

namespace DCGO.CardEffects.BT20
{
    public class BT20_009 : CEntity_Effect
    {
        public override List<ICardEffect> CardEffects(EffectTiming timing, CardSource card)
        {
            List<ICardEffect> cardEffects = new List<ICardEffect>();

            #region On Your Turn
            if (timing == EffectTiming.OnEnterFieldAnyone)
            {
                ActivateClass activateClass = new ActivateClass();
                activateClass.SetUpICardEffect("Digivolve into [Free] digimon", CanUseCondition, card);
                activateClass.SetUpActivateClass(CanActivateCondition, ActivateCoroutine, -1, true, EffectDiscription());
                cardEffects.Add(activateClass);

                string EffectDiscription()
                {
                    return "[Your Turn] When any of your purple Digimon are played, this Digimon may digivolve into a Digimon card with the [Free] trait in the hand with the digivolution cost reduced by 1.";
                }

                bool PermanentCondition(Permanent permanent)
                {                 
                    if(CardEffectCommons.IsPermanentExistsOnOwnerBattleAreaDigimon(permanent, card))
                    {
                        if(permanent.TopCard.CardColors.Contains(CardColor.Purple))
                        {
                            return true;
                        }                    
                    }
                    return false;
                }

                bool CanUseCondition(Hashtable hashtable)
                {
                    if(CardEffectCommons.IsExistOnBattleAreaDigimon(card))
                    {                    
                        if (CardEffectCommons.CanTriggerOnPermanentPlay(hashtable, PermanentCondition))
                        {
                            if (CardEffectCommons.IsOwnerTurn(card))
                            {
                                return true;
                            }
                        }
                    }                    
                    return false;
                }

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

                bool CanSelectCardCondition(CardSource source)
                {
                    if (source.EqualsTraits("Free"))
                    {
                        if (source.CanPlayCardTargetFrame(card.PermanentOfThisCard().PermanentFrame, false, activateClass))
                        {
                            return true;
                        }
                    }

                    return false;
                }

                IEnumerator ActivateCoroutine(Hashtable hashtable)
                {
                    if (CardEffectCommons.HasMatchConditionOwnersHand(card, CanSelectCardCondition))
                    {                        
                            yield return ContinuousController.instance.StartCoroutine(CardEffectCommons.DigivolveIntoHandOrTrashCard(
                                targetPermanent: card.PermanentOfThisCard(),
                                cardCondition: CanSelectCardCondition,
                                payCost: true,
                                reduceCostTuple: (reduceCost: 1, reduceCostCardCondition: null),
                                fixedCostTuple: null,
                                ignoreDigivolutionRequirementFixedCost: -1,
                                isHand: true,
                                activateClass: activateClass,
                                successProcess: null)
                                );
                    }
                }
            }
            #endregion

            #region InheritedEffect
            if (timing == EffectTiming.None)
            {
                bool InheritedEffectCondition()
                {
                    return CardEffectCommons.IsOwnerTurn(card);
                }

                cardEffects.Add(CardEffectFactory.ChangeSelfDPStaticEffect(
                    changeValue: 2000,
                    isInheritedEffect: true,
                    card: card,
                    condition: InheritedEffectCondition));
            }
            #endregion

            return cardEffects;
        }
    }
}