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

public class BulletFactory
{

	public enum BulletType
	{
		Bullet = 1,
	}


//	public static GameObject CreateBullet(string path)
//	{
//		GameObject bulletPrefab = Resources.Load<GameObject>("Prefabs/Bullets/"+path);
//		if(bulletPrefab != null)
//		{
//			return GameObject.Instantiate<GameObject>(bulletPrefab);
//		}
//
//		Debuger.LogWarning("Could not find bullet prefab["+path+"]");
//		return new GameObject("Empty Bullet");
//	}


	private static Dictionary<string, List<GameObject>> bulletCacheDict = new Dictionary<string, List<GameObject>>();
	
	public static T CreateBullet<T>(string path)
	{
		GameObject gameObj = null;
		if(bulletCacheDict.ContainsKey(path) && bulletCacheDict[path].Count > 0)
		{
			gameObj = bulletCacheDict[path][0];
			bulletCacheDict[path].RemoveAt(0);
			gameObj.SetActive(true);
			ParticleSystem ps = gameObj.GetComponent<ParticleSystem>();
			if(ps != null)
				ps.Play();
			Animator animator = gameObj.GetComponent<Animator>();
			if(animator != null)
				animator.Play(0, 0, 0);
		}
		else
		{
			GameObject bulletPrefab = Resources.Load<GameObject>("Prefabs/Bullets/"+path);
			if(bulletPrefab != null)
			{
				gameObj = GameObject.Instantiate<GameObject>(bulletPrefab);
			}
			else
			{
				Debuger.LogWarning("Could not find bullet prefab["+path+"]");
				gameObj = new GameObject("Empty Bullet");
			}
			gameObj.AddComponent(typeof(T));
		}

		Bullet bullet = gameObj.GetComponent<Bullet>();
		bullet.path = path;
		bullet.Reset();

		return gameObj.GetComponent<T>();
	}
	
	public static void Recycle(string path, GameObject obj)
	{
//		Debuger.Log("Recycal Bullet["+path+"] "+obj);

		ParticleSystem ps = obj.GetComponent<ParticleSystem>();
		if(ps != null)
			ps.Stop();

		obj.SetActive(false);
		if(bulletCacheDict.ContainsKey(path))
		{
			bulletCacheDict[path].Add(obj);
		}
		else
		{
			List<GameObject> list = new List<GameObject>();
			list.Add(obj);
			bulletCacheDict.Add(path, list);
		}
	}
	
	public static void ClearCache()
	{
		bulletCacheDict.Clear();
	}
}