using CommonAI.Zone;
using CommonAI.Zone.Instance;
using CommonLang;
using XmdsCommon.Plugin;
using XmdsCommonServer.Plugin;
using XmdsCommonServer.Plugin.XmdsSkillTemplate.DamageCalculator;
using XmdsCommonServer.Plugin.XmdsSkillTemplate.Skills;

namespace XmdsCommonSkill.Plugin.Buffs
{

    public class XmdsBuff_Bleed : XmdsBuffBase
    {
        /// <summary>
        ///攻击值
        /// </summary>
        public int ChangeValue = 0;

		//流血加深系数
		public float deepValue = 1.0f;

		//伤害加深
		private bool damageDeepByOverlayer = false;
		private int Overlayer = 1;

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


		public override void CopyTo(UnitBuff other)
		{
			var ret = other as XmdsBuff_Bleed;
			ret.ChangeValue = this.ChangeValue;
			ret.deepValue = this.deepValue;
			base.CopyTo(other);
		}

		protected override void OnBindTemplate(ref BuffTemplate buffTemplate)
        {
            //DOT类技能首帧无效.
            base.OnBindTemplate(ref buffTemplate);
        }

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

		protected override void OnBuffEnd(XmdsCommonServer.Plugin.XmdsVirtual hitter, InstanceUnit.BuffState state, bool replace)
		{

		}

		protected override int OnBuffHit(XmdsVirtual hitter, 
            XmdsVirtual attacker, CommonAI.Zone.Formula.AttackSource source,
            ref XmdsVirtual.AtkResult result)
        {
            if (ChangeValue != 0)
            {
				double damageValue = XmdsUnitProp.PER * this.ChangeValue;
				// 伤害加深逻辑
				if(this.damageDeepByOverlayer && this.Overlayer > 0)
				{
					for(int i = 0; i < this.Overlayer; i++)
					{
						damageValue = damageValue * deepValue;
					}
				}

				//造成伤害.
				//int damage = CUtils.CastInt(base.OnBuffHit(hitter, attacker, source, ref result) * damageValue);
				return ChangeValue;
            }

            return base.OnBuffHit(hitter, attacker, source, ref result);
        }

    }
}