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;
using CommonLang;

namespace XmdsCommonSkill.Plugin.Buffs
{
	/// <summary>
	/// debuff创建者及队友攻击，回血
	/// </summary>
	public class XmdsBuff_AttackAddHP : XmdsBuffBase
	{
        public bool isLimitMax = true;
		public int totalAddHp;
        public float damageToHp = 0.1f;
		public bool inOnlySelf = true;


		//避免这一次攻击就会回血
        private long mBuffStartTriggerTime = 0;

		//buff创建者
		private XmdsVirtual buffSender = null;
		private int mHandleUUID = 0;

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


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

			ret.totalAddHp = this.totalAddHp;
			ret.damageToHp = this.damageToHp;
			ret.isLimitMax = this.isLimitMax;
			ret.inOnlySelf = this.inOnlySelf;

			base.CopyTo(other);
		}

		protected override void OnBuffBegin(XmdsCommonServer.Plugin.XmdsVirtual hitter, XmdsCommonServer.Plugin.XmdsVirtual attacker, InstanceUnit.BuffState state)
        {
            this.buffSender = attacker;

            //注册监听.
            mHandleUUID = hitter.RegistOnHitDamage(OnHandlerHitDamage, null);

            this.mBuffStartTriggerTime = CommonLang.CUtils.localTimeMS + 200;
            //Console.WriteLine("begin -"  + this.mBuffStartTriggerTime);
        }

        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 OnHandlerHitDamage(float damage, XmdsVirtual hitted, XmdsVirtual attacker, AttackSource source, 
            ref XmdsVirtual.AtkResult result, DamageType damageType, GameSkill skill, ref bool isEndDispatch)
        {
            long lStarttime = CommonLang.CUtils.localTimeMS;

            if (damage > 0 && this.mBuffStartTriggerTime < lStarttime && this.buffSender.IsAllies(attacker, true, true))
			{
                int baseAddHP = CUtils.CastInt(damage * this.damageToHp);
                if (isLimitMax)
                {
                    int AddHP = Math.Min(baseAddHP, totalAddHp);//;
                    AddHP = Math.Max(1, AddHP);
                    attacker.mUnit.AddHP(AddHP, attacker.mUnit);
                    totalAddHp -= AddHP;
                    if (totalAddHp <= 0)
                    {
                        hitted.mUnit.removeBuff(this.BindBuffID);
                    }
                }
                else
                {
                    attacker.mUnit.AddHP(baseAddHP, attacker.mUnit);
                }
            }

            return damage;
        }


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