using System.Linq;
using Continentis.MainGame.Card;
using Continentis.MainGame.UI;
using UnityEngine;

namespace Continentis.MainGame.Character
{
    public abstract partial class CombatBuffBase : CharacterBuffBase
    {
        public CardLogicBase sourceCard;
        
        public CountSubmodule actionCountSubmodule;
        public CountSubmodule combatRoundTimeSubmodule;
        
        public UnitedStackSubmodule unitedStackSubmodule;
        public IndependentStackSubmodule independentStackSubmodule;
        public CoreAttributeSubmodule coreAttributeSubmodule;
        public GeneralAttributeSubmodule generalAttributeSubmodule;
        public StatusSubmodule statusSubmodule;
    }

    public partial class CombatBuffBase
    {
        public sealed override bool OnBuffApply(out BuffBase<CharacterBase> existingBuff)
        {
            throw new System.NotImplementedException("请使用类型约束更强的OnBuffApply方法");
        }

        public virtual bool OnBuffApply(out CombatBuffBase existingBuff)
        {
            throw new System.NotImplementedException(); //需要在子类中实现
        }
        
        public override void OnAfterFirstApply()
        {
            
        }
        
        public override void OnBuffRemove()
        {
            RefreshAttributes();
            iconSubmodule?.Remove();
        }
    }

    public partial class CombatBuffBase
    {
        protected bool FindExistingSameBuff<T>(out T existingBuff) where T : CharacterBuffBase
        {
            return FindExistingSameBuff(out existingBuff, attachedCharacter.combatBuffSubmodule.buffList);
        }
        
        public override void Apply(CharacterBase attachedCharacter, CharacterBase sourceCharacter = null)
        {
            this.Apply(attachedCharacter, sourceCharacter, null);
        }

        public void Apply(CharacterBase attachedCharacter, CharacterBase sourceCharacter = null, CardLogicBase sourceCard = null)
        {
            this.attachedCharacter = attachedCharacter;
            this.sourceCharacter = sourceCharacter;
            this.sourceCard = sourceCard;

            if (OnBuffApply(out CombatBuffBase existingBuff))
            {
                this.attachedCharacter.combatBuffSubmodule.buffList.Add(this);

                OnAfterFirstApply();

                if (iconSubmodule != null)
                {
                    (attachedCharacter.characterView.hudContainer.enablingHUDs["CharacterBuffCollection"] as HUD_CharacterBuffCollection)
                        ?.AddBuffIcon(this);
                }
            }
            else
            {
                existingBuff.iconSubmodule?.buffIcon.UpdateIcon();
            }

            RefreshAttributes();
            iconSubmodule?.Update();
        }

        public override void Remove()
        {
            OnBuffRemove();
            this.attachedCharacter.combatBuffSubmodule.buffList.Remove(this);
        }

        public override void UntriggerRemove()
        {
            this.attachedCharacter.combatBuffSubmodule.buffList.Remove(this);
        }
    }

    public partial class CombatBuffBase
    {
        private void RefreshAttributes()
        {
            if (coreAttributeSubmodule != null)
            {
                coreAttributeSubmodule.RefreshAllModifiedAttributes();
            }
            else
            {
                generalAttributeSubmodule?.RefreshAllModifiedAttributes();
            }
        }
    }
}