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.Zone;
using CommonAI.Data;

namespace XmdsCommonSkill.Plugin.Buffs
{
	/// <summary>
	/// buff创建者队友攻击buff拥有者，给队友增加回血buff
	/// </summary>
	public class XmdsBuff_Brand_5 : XmdsBuffBase
	{
		public int addHpTotal = 0;

		private int mHandleUUID = 0;
		private XmdsCommonServer.Plugin.XmdsVirtual attacker;

		//攻击，增加的buff信息
		private static BuffTemplate addHpBuf = null;
		private static int Buff_ID = (int)XmdsBuffBase.XmdsBuffList.JJC_HUICHUN;

		public XmdsBuff_Brand_5()
		{
			var pack = XmdsBuffFactory.GetInstance().GetXmdsBuffPack(Buff_ID);
			var buff = (XmdsBuff_AddHP)pack.GetXmdsBuff(XmdsBuffProperties.XmdsBuffAbility.AddHP_Unbroken);
			buff.ChangeValue = addHpTotal/3;
			addHpBuf = pack.mBuffTemplate;
			addHpBuf.IsHarmful = true;
			addHpBuf.LifeTimeMS = 3000;
			pack.BindTemplateAndDispose();
		}

		public override int GetAbilityID()
        {
            return (int)XmdsCommon.Plugin.XmdsBuffProperties.XmdsBuffAbility.Brand_5;
        }

		public override void CopyTo(UnitBuff other)
		{
			var ret = other as XmdsBuff_Brand_5;
			ret.addHpTotal = this.addHpTotal;

			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);
			this.attacker = attacker;
		}

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

        //单位受到攻击
        private float OnHandleHitDmage(float damage, XmdsVirtual hitted, XmdsVirtual attacker, AttackSource source, 
            ref XmdsVirtual.AtkResult result, DamageType damageType, GameSkill skill, ref bool isEndDispatch)
        {
			try
			{
				//拥有此buff的人被攻击，攻击者是友军，加一个回血的buff
				if (attacker != null && attacker.IsAllies(attacker, true, true) && attacker.mUnit.GetBuffByID(Buff_ID) == null)
				{
					attacker.mUnit.AddBuff(addHpBuf, attacker.mUnit);
                }
			}
			catch(Exception err)
			{
				log.Error("XmdsBuff_Brand_5：" + err);
			}			

			return damage;
        }

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