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

namespace XmdsCommonSkill.Plugin.Buffs
{
    /// <summary>
    /// 监听打到别人.
    /// </summary>
    public class XmdsBuff_Event_OnHitOther : XmdsBuffBase
    {
        private int mHandleUUID = 0;

        public XmdsCommonServer.Plugin.XmdsSkillTemplate.Skills.IOnHit OnHitOtherEvent;

        public override int GetAbilityID()
        {
            return (int)XmdsBuffProperties.XmdsBuffAbility.Event_OnHitOther;
        }

        protected override void OnBindTemplate(ref BuffTemplate buffTemplate)
        {
            //关联性BUFF必须在施放者死亡后清除.
            buffTemplate.IsRemoveOnSenderRemoved = true;
            base.OnBindTemplate(ref buffTemplate);
        }

        protected override void OnBuffBegin(XmdsCommonServer.Plugin.XmdsVirtual hitter, XmdsCommonServer.Plugin.XmdsVirtual attacker, InstanceUnit.BuffState state)
        {
            //注册监听.
            mHandleUUID = hitter.RegistOnHitOther(OnHandleHitOther, null);
            XmdsVirtual.FormatLog("BuffBegin : 单位【{0}】增加OnHitOther事件监听.", hitter.mProp.ServerData.BaseInfo.name);
        }

        protected override void OnBuffEnd(XmdsCommonServer.Plugin.XmdsVirtual hitter, InstanceUnit.BuffState state, bool replace)
        {
            //取消监听.
            hitter.UnRegistOnHitOther(mHandleUUID);
            XmdsVirtual.FormatLog("BuffBegin : 单位【{0}】去除OnHitOther事件监听.", hitter.mProp.ServerData.BaseInfo.name);
        }

        private float OnHandleHitOther(float damage, XmdsVirtual hitted, XmdsVirtual attacker, AttackSource source, 
            ref XmdsVirtual.AtkResult result, DamageType damageType, GameSkill skill, ref bool isEndDispatch)
        {
            if(OnHitOtherEvent != null)
            {
                OnHitOtherEvent.Invoke(damage, hitted, attacker, source, ref result, damageType, skill, ref isEndDispatch);
            }

            return damage;
        }

        protected override void OnDispose()
        {
            OnHitOtherEvent = null;

            base.OnDispose();
        }

        public override void CopyTo(UnitBuff other)
        {
            var ret = other as XmdsBuff_Event_OnHitOther;
            ret.OnHitOtherEvent = this.OnHitOtherEvent;
            base.CopyTo(other);
        }
    }
}