using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class tower : MonoBehaviour {

	public float clock;
	public float Timer;
//	public UnityEngine.UI.Text TimerLabel;

	public monsterEnquence zoo;
	bool standBy;
	public float power;
	public Transform thisTransform;
	public Transform insPoint;
	public pool pool;
	public monster target;

	// Update is called once per frame
	void Update ()
	{
		if (!standBy)
		{
			var a = Timer -= GameManager.deltaTime;
			if (a > 0)
			{
				Timer = a;
			}
			else
			{
				Timer = 0;
				standBy = true;
			}
		}
		else
		{
			shoot ();
		}
//		TimerLabel.text = ((int)Timer).ToString();
	}

	void shoot()
	{
//		#region 舊版
//		if (zoo.monsterAll.Count != 0)
//		{
//			//把射程內的目標另外轉成一個list
//			var inin = zoo.monsterAll.FindAll (Check);
//			//沒目標的話就延後射擊
//			if (inin.Count != 0)
//			{
//				//我另外擴充的方法也是vector3.dis算距離的 不過不看y只看x,z  依照距離排序 那[0]就是靠砲塔最近的
//				inin.Sort ((a,b)=>thisTransform.position.newdistance2 (b.refence.thisTransform.position).CompareTo(thisTransform.position.newdistance2 (a.refence.thisTransform.position)));
//				var bGameObject=pool.refTakeOut(pool.objStyle.bullet);
//				var bullet = bGameObject.GetComponent<bullet> ();
//				bullet.refence.thisTransform.position = insPoint.position;
//				bullet.monster = inin [0];
//				bullet.forTransform = inin [0].refence.thisTransform;
//
//				Timer = clock;
//				standBy = false;
//			}
//		}
//		#endregion

		//鎖定目標 把他打死或他跑到螢幕外才換下一隻 而不是總是打最近的

		//如果之前鎖定的目標跑到射程外了 或是他確定死了 就視為沒有目標 重新定義目標
		if (!target||!Check(target)||target.sign||!target.Self())
		{
			target = null;

			//舊版內容
			if (zoo.monsterAll.Count != 0)
			{
				//把射程內的目標另外轉成一個list
				var inin = zoo.monsterAll.FindAll (Check);
				//沒目標的話就延後射擊
				if (inin.Count != 0)
				{
					//我另外擴充的方法也是vector3.dis算距離的 不過不看y只看x,z  依照距離排序 那[0]就是靠砲塔最近的
					inin.Sort ((a, b) => thisTransform.position.newdistance2 (b.refence.thisTransform.position).CompareTo (thisTransform.position.newdistance2 (a.refence.thisTransform.position)));
					target = inin [0];

				}
				else return;

				//直接彈出 避免沒怪還發射子彈
			}
			else return;

		}


		var bGameObject=pool.refTakeOut(pool.objStyle.bullet);
		var bullet = bGameObject.GetComponent<bullet> ();
		bullet.refence.thisTransform.position = insPoint.position;
		bullet.monster = target;
		bullet.forTransform = target.refence.thisTransform;

		Timer = clock;
		standBy = false;
	}

//	bool Check(List<monster> m)
//	{
//		for (int i = 0; i < m.Count; i++)
//		{
//			if (thisTransform.position.newdistance2 (m [i].refence.thisTransform.position) <= power)
//			{
//				return true;
//			}
//		}
//
//		return false;
//	}

	bool Check(monster m)
	{
		if (thisTransform.position.newdistance2 (m.refence.thisTransform.position) <= power)
		{
			return true;
		}

		return false;
	}
}