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，再次攻击触发(法师2-2特殊机制，其他暂时不用吧)
	/// </summary>
	public class XmdsBuff_Brand_1 : XmdsBuffBase
	{
		/// BUFF效果，正值为扣血，负值为抵伤.
		public int BuffValue;

        //前N次伤害忽视(buff是伤害造成的，所以一般要去掉首次的判断)
        public int damgeIngoreTimes = 0;

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

        public override int GetAbilityID()
        {
            return (int)XmdsCommon.Plugin.XmdsBuffProperties.XmdsBuffAbility.Brand_1;
        }

		public override void CopyTo(UnitBuff other)
		{
			var ret = other as XmdsBuff_Brand_1;

			ret.BuffValue = this.BuffValue;
			ret.damgeIngoreTimes = this.damgeIngoreTimes;
			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)
        {
			int flag = source.Attack == null ? 0 : source.Attack.Properties.GetAttackID() / 100;
			if(flag != 3101 && flag != 3105)
			{
				return damage;
			}

			--damgeIngoreTimes;
			if (mSenderID == attacker.mUnit.ID && (damgeIngoreTimes <= 0))
			{
				hitted.mUnit.removeBuff(BindBuffID);
				hitted.mUnit.AddHP(-this.BuffValue, attacker.mUnit);
			}

            return damage ;
        }

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