using CommonAI.Zone.Instance;
using CommonAI.Zone.Formula;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using XmdsCommon.Plugin;
using XmdsCommonServer.Plugin;
using XmdsCommonServer.Plugin.XmdsSkillTemplate.Skills;
using XmdsCommonServer.Plugin.XmdsSkillTemplate.DamageCalculator;
using CommonAI.Data;

namespace XmdsCommonSkill.Plugin.Buffs
{
	/// <summary>
	/// 烙印标记，发送者对其伤害提高
	/// </summary>
	public class XmdsBuff_Brand_2 : XmdsBuffBase
	{
		/// <summary>
		/// BUFF效果，正值为扣血，负值为抵伤.
		/// </summary>
		public int BuffValue;

		private int mHandleUUID = 0;
        //发送者id
        private uint mSenderID = 0;

        public override int GetAbilityID()
        {
            return (int)XmdsCommon.Plugin.XmdsBuffProperties.XmdsBuffAbility.Brand_2;
        }


		public override void CopyTo(UnitBuff other)
		{
			var ret = other as XmdsBuff_Brand_2;

			ret.BuffValue = this.BuffValue;
			base.CopyTo(other);
		}

		protected override void OnBuffBegin(XmdsCommonServer.Plugin.XmdsVirtual hitter, XmdsCommonServer.Plugin.XmdsVirtual attacker, InstanceUnit.BuffState state)
        {
            //注册监听.
            mHandleUUID = hitter.RegistOnHitDamage(OnHandleHitDmage, null);

            mSenderID = attacker.mUnit.ID;
        }

        protected override void OnBuffEnd(XmdsCommonServer.Plugin.XmdsVirtual hitter, InstanceUnit.BuffState state, bool replace)
        {
            //取消监听.
            hitter.UnRegistOnHitDamage(mHandleUUID);
        }

        //单位被攻击时,判断是否符合条件触发BUFF效果.
        private float OnHandleHitDmage(float damage, XmdsVirtual hitted, XmdsVirtual attacker, AttackSource source, 
            ref XmdsVirtual.AtkResult result, DamageType damageType, GameSkill skill, ref bool isEndDispatch)
        {
			if(mSenderID == attacker.mUnit.ID)
			{
				damage = damage * XmdsUnitProp.PER * (XmdsDamageCalculator.PERER + this.BuffValue);
			}

			return damage;
        }

        protected override void OnDispose()
        {
            base.OnDispose();
        }
    }
}