using CommonAI.Data;
using CommonAI.Zone.Formula;
using System;
using XmdsCommon.Plugin;
using XmdsCommonServer.Plugin;
using XmdsCommonServer.Plugin.XmdsSkillTemplate.DamageCalculator;
using XmdsCommonServer.Plugin.XmdsSkillTemplate.Skills;

namespace XmdsCommonSkill.Plugin.Buffs
{
    /// <summary>
    /// 受击加血
    /// </summary>
    /// 
    public class XmdsBuff_HitAddHp : XmdsBuffBase
    {
        public int addMaxHpPer = 0;         //单次恢复最大生命万分之N的血量
        public int minDamgeOnce = 0;        //单次伤害达到这个值才出发
        public int hitInterval = 0;         //触发时间间隔

        private long mNextHitTimeStamp = 0;
        private int UUID = 0;

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

		public override void CopyTo(UnitBuff other)
		{
			var ret = other as XmdsBuff_HitAddHp;
			ret.addMaxHpPer = this.addMaxHpPer;
			ret.minDamgeOnce = this.minDamgeOnce;
			ret.hitInterval = this.hitInterval;
			base.CopyTo(other);
		}

		protected override void OnBuffBegin(XmdsCommonServer.Plugin.XmdsVirtual hitter, XmdsCommonServer.Plugin.XmdsVirtual attacker, CommonAI.Zone.Instance.InstanceUnit.BuffState state)
        {
            UUID = hitter.RegistOnHitDamage(OnUnitHitEvent, null);
        }

        protected override void OnBuffEnd(XmdsCommonServer.Plugin.XmdsVirtual hitter, CommonAI.Zone.Instance.InstanceUnit.BuffState state, bool replace)
        {
            hitter.UnRegistOnHitDamage(UUID);
        }

        //被打监听.
        protected virtual float OnUnitHitEvent(float damage, XmdsVirtual hitted, XmdsVirtual attacker, AttackSource source, 
            ref XmdsVirtual.AtkResult result, DamageType damageType, GameSkill skill, ref bool isEndDispatch)
        {
            //受击恢复生命
            do
            {
				if (minDamgeOnce != 0 && damage < minDamgeOnce)
				{
					break;
				}

				if (hitInterval != 0 && CommonLang.CUtils.localTimeMS < mNextHitTimeStamp)
				{
					break;
				}

				mNextHitTimeStamp = CommonLang.CUtils.localTimeMS + hitInterval;
                hitted.AddHP(addMaxHpPer, hitted.mUnit);

                if (BuffInvaildCheck())
                {
                    hitted.mUnit.removeBuff(BindBuffID);
                }

            } while (false);
           
            return damage;
        }
    }
}