using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using XmdsCommon.Plugin;
using XmdsCommonServer.Plugin.XmdsSkillTemplate.Skills;

namespace XmdsCommonSkill.Plugin.Buffs
{
    /// <summary>
    /// FileName: XmdsBuff_EnergyCost.cs
    /// Author: Alex.Yu
    /// Corporation:... 
    /// Description: 能量消耗改变.
    /// DateTime: 2015/6/17 17:37:50
    /// </summary>

    public class XmdsBuff_EnergyCost : XmdsBuffBase
    {
        /// <summary>
        /// BUFF作用效果.正：增加消耗，负：减少消耗(过量保护).
        /// </summary>
        public float BuffChangeValue = 0;

        /// <summary>
        /// 百分比型.
        /// </summary>
        public bool IsPercent = true;

        private int mHandUUID = 0;

        //默认时间.
        private const int DefaultTime = int.MaxValue;

        /// <summary>
        /// 大于0，则只影响对应的技能效果.
        /// </summary>
        public int TargetSkillID = 0;

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


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

			ret.BuffChangeValue = this.BuffChangeValue;
			ret.IsPercent = this.IsPercent;
			ret.TargetSkillID = this.TargetSkillID;

			base.CopyTo(other);
		}

		protected override void OnBindTemplate(ref CommonAI.Zone.BuffTemplate buffTemplate)
        {
            //如果为次数型，那么需设置作用时间.
            if (BuffUseType == (int)XmdsBuffBase.XmdsBuffUseType.Times)
            {
                buffTemplate.LifeTimeMS = DefaultTime;
            }
        }

        protected override void OnBuffBegin(XmdsCommonServer.Plugin.XmdsVirtual hitter, XmdsCommonServer.Plugin.XmdsVirtual attacker, CommonAI.Zone.Instance.InstanceUnit.BuffState state)
        {
            mHandUUID = hitter.RegistLaunchSkillOver(OnLaunchSkillOver, null, true);
        }

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

        private int OnLaunchSkillOver(GameSkill info, XmdsCommonServer.Plugin.XmdsVirtual attacker, CommonAI.Zone.Instance.InstanceUnit.SkillState state)
        {
            if (!IsInvaild() && BuffInvaildCheck())
            {
                attacker.mUnit.removeBuff(BindBuffID);
            }

            return 0;
        }
    }
}