using CommonAI.Zone;
using CommonAI.Zone.Helper;
using CommonAI.Zone.Instance;
using System;
using XmdsCommon.Plugin;
using XmdsCommonServer.Plugin;
using XmdsCommonServer.Plugin.XmdsSkillTemplate.Skills;
using XmdsCommonServer.XLS.Data;
using XmdsCommonSkill.Plugin.Buffs;
using XmdsCommonSkill.Plugin.PassiveSkills.Magic;
using static CommonAI.Zone.Instance.InstanceUnit;
using static XmdsCommonSkill.Plugin.Buffs.XmdsBuff_SwordShadow;

namespace XmdsCommonSkill.Plugin.Skills.Magic
{
    /// <summary>
    /// 法师普攻
    /// </summary>
    public class Magic_310000 : XmdsSkillBase
    {
        public static int ID = 310000;
		private static readonly byte MAX_MUTIL_STEP = 3;
		public override int SkillID { get { return ID; } }

		//编辑器写死
		private static readonly byte actionqueueIndex_ZhiBao = 8;

		public XmdsSkillValue dmgValue;

		public AbstractSkill mPassiveSkill;           //剑影基础伤害提高
		//至宝被动
		public AbstractSkill mSkill_ZhiBao;

		//攻击间隔
		private int mAttackInterval;
		//当前动作形态
		private byte mCurActionStep = 0;
		//下一次可攻击时间
		private long mNextAttackTime = 0;

		protected override void OnInit(GameSkill info, XmdsVirtual unit, ref SkillTemplate template)
		{
			unit.RegistTryLaunchSkillEvent(OnTryLaunchSkillEventHandle, info);
			unit.RegistLaunchSkillOver(OnLaunchSkillOver, info);
		}

		protected override void OnInitOver(XmdsVirtual unit, GameSkill info)
		{
			//1. 剑影基础伤害加成
			this.mPassiveSkill = unit.SkillHelper.GetPlayerSkillByIdExt(Magic_310601.ID);
			this.mSkill_ZhiBao = unit.SkillHelper.GetPlayerSkillByIdExt(Other_100200_ZhiBao.ID);
		}


		//接口之前相互手动调用
		public override void DoSkillDispose(int skillID)
		{
			if(this.mSkill_ZhiBao != null && this.mSkill_ZhiBao.SkillID == skillID)
			{
				this.mSkill_ZhiBao = null;
			}
		}

		//剑影伤害计算
		protected override void OnSkillDamagePerEvent(BattleParams param)
        {
			//1. 至宝改变技能形态
			if (param.AtkProp.DamagePerID == Other_100200_ZhiBao.DAMAGE_INDEX)
			{
				param.SkillDamageAdd = mSkill_ZhiBao == null ? 0 : mSkill_ZhiBao.GetSkillValue(AbstractSkillType.Value1);
				param.SkillDamagePer = mSkill_ZhiBao == null ? 0 : mSkill_ZhiBao.GetSkillValue(AbstractSkillType.Value4);
				return;
			}

			///////////////////////2. 自有技能逻辑
			param.SkillDamageAdd = dmgValue.GetValue(1);
			param.SkillDamagePer = dmgValue.GetValue(2);

			//有剑影buff
			InstanceUnit unit = param.Attacker.mUnit;
            if (param.AtkProp.DamagePerID > 0)
			{
				//剑影被动效果
				param.SkillDamagePer += mPassiveSkill.GetSkillValue(AbstractSkillType.Value4);

				//剑气层数效果 - 1层，伤害增加
				param.SkillDamagePer += mPassiveSkill.GetSkillValue(AbstractSkillType.Value1);

				//剑气层数效果 - 2层，穿透增加
				param.Source.ignoreDef = mPassiveSkill.GetSkillValue(AbstractSkillType.Value2);

				//剑气层数效果 - 3层，附带减速
				if(mPassiveSkill.GetSkillValue(AbstractSkillType.Value3) > 0)
				{
					param.Hitter.mUnit.AddBuff(Magic_310601.Buff_SPEED_DOWN, param.Attacker.mUnit);
				}
			}
        }

		private bool OnTryLaunchSkillEventHandle(GameSkill skillInfo, ref InstanceUnit.SkillState skill, XmdsVirtual launcher, ref InstanceUnit.LaunchSkillParam param)
		{
			if (this.mNextAttackTime > CommonLang.CUtils.localTimeMS)
			{
				return false;
			}


			if (mSkill_ZhiBao != null && mSkill_ZhiBao.GetSkillValue(AbstractSkillType.Value2) > 0)
			{				
				skill.LockActionStep = actionqueueIndex_ZhiBao;
				return true;
			}

			InstanceUnit unit = launcher.mUnit;
			BuffState buff = unit.GetBuffByID(XmdsBuff_SwordShadow.BuffID);
			if (buff != null)
			{
				int step = 0;
				skill.LockActionStep = XmdsBuff_SwordShadow.GetShadowIndex(launcher, ref buff, ref step) + 2;
			}
			else
			{
				skill.LockActionStep = mCurActionStep;
			}

			return true;
		}

		private int OnLaunchSkillOver(GameSkill info, XmdsCommonServer.Plugin.XmdsVirtual launcher, CommonAI.Zone.Instance.InstanceUnit.SkillState skill)
		{
			//攻速影响攻击间隔
			float finalInterval = (mAttackInterval/* + skill.Data.ActionQueue[mCurActionStep].TotalTimeMS*/) / (XmdsUnitProp.PER * launcher.MirrorProp.AttackSpeed);
			this.mNextAttackTime = (int)finalInterval + CommonLang.CUtils.localTimeMS;

			if (mSkill_ZhiBao != null && mSkill_ZhiBao.GetSkillValue(AbstractSkillType.Value2) > 0)
			{
				skill.LockActionStep = actionqueueIndex_ZhiBao;
				//技能使用强化效果, 偷懒用这个接口
				mSkill_ZhiBao.GetSkillValue(AbstractSkillType.Value3);
				return 0;
			}

			BuffState buff = launcher.mUnit.GetBuffByID(XmdsBuff_SwordShadow.BuffID);
			if (buff != null)
			{
				int step = 0;
				skill.LockActionStep = XmdsBuff_SwordShadow.GetShadowIndex(launcher, ref buff, ref step) + 2;

				XmdsBuff_SwordShadow.LanucherNormalSkill(launcher, ref buff);

				//使用了一层buff
				if (buff.OverlayLevel == 255)
				{
					launcher.mUnit.removeBuff(XmdsBuff_SwordShadow.BuffID);
				}
				else
				{
					//刷新buff状态
					launcher.mUnit.queueEvent(new SyncUnitBuffState(launcher.mUnit.ID, buff.ID, buff.OverlayLevel, buff.BuffExtData));
				}
			}
			else
			{
				skill.LockActionStep = mCurActionStep;
				if (++mCurActionStep >= MAX_MUTIL_STEP)
				{
					mCurActionStep = 0;
				}
			}

			return 0;
		}

        protected override void OnInitConfig()
        {
            XmdsSkillData data = XmdsDataMgr.GetInstance().GetXmdsSkillData(ID);
            InitData(data, out dmgValue, XmdsSkillData.XmdsSkillDataKey.DmgRate);

			XmdsSkillValue tempValue;
			InitData(data, out tempValue, XmdsSkillData.XmdsSkillDataKey.ValueSet);
			this.mAttackInterval = tempValue.GetValue();
		}
    }
}