using System;
using Cielonos.MainGame.Buffs.Character;
using Cielonos.MainGame.Characters;
using SLSUtilities.General;
using UnityEngine;

namespace Cielonos.MainGame.Inventory.Collections
{
    /// <summary>
    /// 助燃剂 / Combustion Enhancer
    /// 每次攻击到敌人后，如果敌人处于燃烧Buff，那么为燃烧Buff持续时间延长0.1秒
    /// </summary>
    public class CombustionEnhancer : PassiveEquipmentBase
    {
        private const string EventKey = nameof(CombustionEnhancer);
        
        public override void OnObtained()
        {
            base.OnObtained();
            Action<AttackAreaBase, CharacterBase, Attack.Result> onFinishAttack = OnFinishAttack;
            player.eventSm.onFinishAttack.Add(EventKey, onFinishAttack.ToPrioritized());
        }

        public override void OnDiscarded()
        {
            player.eventSm.onFinishAttack.Remove(EventKey);
            base.OnDiscarded();
        }

        private void OnFinishAttack(AttackAreaBase attackArea, CharacterBase target, Attack.Result result)
        {
            Burn burn = target.buffSm.GetBuff<Burn>();
            burn?.timeSubmodule.AddDuration(0.1f);
        }
    }
}