using CommonAI.Data;
using CommonAI.Zone;
using CommonLang;
using CommonLang.Geometry;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using XmdsCommonServer.Plugin;
using XmdsCommonServer.Plugin.Units;
using XmdsCommonServer.Plugin.XmdsSkillTemplate.Skills;
using XmdsCommonServer.XLS.Data;
using static XmdsCommonServer.XLS.Data.XmdsSkillData;

namespace XmdsCommonSkill.Plugin.Skills
{
	/**
	 * 召唤类boss机制：按照数量，时间，半径召唤小怪
	 */
	public class XmdsSummonBase
	{
		protected XmdsSkillValue mSummonNums;				// 单次数量，最大数量
		protected XmdsSkillValue mSummonLiftTime;			// 召唤物ID， 生命时间
		protected int mSummonRange_Min;						// 召唤半径
		protected int mSummonRange_Chg;						// 召唤半径

		protected SummonType mSummonType = SummonType.guard;

		/// <summary>
		/// 召唤单位
		/// </summary>
		public void SummonUnit(XmdsVirtual master)
		{
			XmdsVirtual_Monster masterMonster = master as XmdsVirtual_Monster;
			//剩余可召唤数量
			int leftSummonCount = mSummonNums.GetValue(1, 2) - masterMonster.GetSummonUnitListCount();
			leftSummonCount = Math.Min(leftSummonCount, mSummonNums.GetValue(1, 1));
			if (leftSummonCount <= 0) { return; }

			UnitInfo info = XmdsBattleSkill.GetUnitInfo(mSummonLiftTime.GetValue(1, 1));
			for (int i = 0; i < leftSummonCount; i++)
			{
				this.ProcessSummonUnit(master, info, mSummonLiftTime.GetValue(1, 2));
			}
		}

		protected bool ProcessSummonUnit(XmdsVirtual master, UnitInfo info, int liftTime)
		{
			AddUnitEvent aue = null;

				//控制生命周期.
			info.LifeTimeMS = liftTime;
			Vector2 randomPos = this.RandomSummonPos(master);
			
			var unit = master.mUnit.Parent.AddUnit(
					info, "", master.mUnit.Force, master.GetUnitLv(), randomPos.X, randomPos.Y, 
					master.mUnit.Direction, out aue, master.mUnit);

			//var monsterUnit = unit as XmdsInstanceMonster;
			//if (monsterUnit == null)
			//{
			//	//log.Warn("添加召唤物失败：" + info.ID + ", " + this.SkillID);
			//	return false;
			//}

			//if(this.mSummonType == SummonType.guard)
			//{
			//	monsterUnit.guard();
			//}
			//else if(this.mSummonType == SummonType.guardMaster)
			//{
			//	monsterUnit.guardUnit(master.mUnit);
			//}
			//else if (this.mSummonType == SummonType.attack)
			//{
			//	//unit.followAndAttack(master.mUnit);
			//}

			
			XmdsVirtual_Monster materMonster = master as XmdsVirtual_Monster;
			materMonster.AddSummonUnitList(unit.Virtual as XmdsVirtual);

			return true;
		}

		// 默认直接按照半径来随机
		//protected Vector2 RandomSummonPos(XmdsVirtual master)
		//{
		//	Vector2 randomPos = new Vector2();
		//	int addX = master.mUnit.RandomN.Next() % 2 == 0 ? 1 : -1;
		//	int addY = master.mUnit.RandomN.Next() % 2 == 0 ? 1 : -1;

		//	float chgX = mSummonRange.GetValue(1) + (float)(master.mUnit.RandomN.NextDouble() * mSummonRange.GetValue(2));
		//	float chgY = mSummonRange.GetValue(1) + (float)(master.mUnit.RandomN.NextDouble() * mSummonRange.GetValue(2));

		//	randomPos.X = master.mUnit.X + chgX * addX;
		//	randomPos.Y = master.mUnit.Y + chgY * addX;
		//	return randomPos;
		//}

		//protected Vector2 RandomSummonPos(XmdsVirtual master)
		//{
		//	Vector2 randomPos = new Vector2();
		//	var pos = master.mUnit.Parent.PathFinder.FindNearRandomMoveableNode(
		//		  master.mUnit.RandomN, master.mUnit.X, master.mUnit.Y, mSummonRange_Min, true);

		//	if (mSummonRange_Chg > 0)
		//	{
		//		randomPos.X = pos.PosX + (pos.PosX > master.mUnit.X ? 1 : -1) * mSummonRange_Chg;
		//		randomPos.Y = pos.PosY + (pos.PosY > master.mUnit.Y ? 1 : -1) * mSummonRange_Chg;
		//	}

		//	System.Console.WriteLine("RandomSummonPos: " + randomPos.X + ", " + randomPos.Y);
		//	return randomPos;
		//}


		protected Vector2 RandomSummonPos(XmdsVirtual master)
		{
			Vector2 randomPos = new Vector2();
			var pos = master.mUnit.Parent.PathFinder.FindNearRandomMoveableNode(
				  master.mUnit.RandomN, master.mUnit.X, master.mUnit.Y, mSummonRange_Min, mSummonRange_Min + mSummonRange_Chg, true);
			randomPos.X = pos.PosX;
			randomPos.Y = pos.PosY;

			//System.Console.WriteLine("RandomSummonPos: " + randomPos.X + ", " + randomPos.Y);
			return randomPos;
		}

		public int GetSummonID()
		{
			return this.mSummonLiftTime.GetValue(1, 1);
		}

		public void InitConfig(SummonType summonType, XmdsSkillValue value1, XmdsSkillValue value2, XmdsSkillValue value3)
		{
			this.mSummonType = summonType;
			this.mSummonNums = value1;
			this.mSummonLiftTime = value2;
			this.mSummonRange_Min = value3.GetValue(1, 1);
			this.mSummonRange_Chg = Math.Max(0, value3.GetValue(1, 2) - mSummonRange_Min);
		}
	}
}