using UnityEngine;
using System.Collections.Generic;

namespace Neatly.UI
{
    public class NParticlePool : MonoBehaviour
    {
        private static NParticlePool _instance;
        public static NParticlePool Instance
        {
            get
            {
                if (_instance == null)
                {
                    Init();
                }
                return _instance;
            }
        }
        private List<EffectImage> m_Pool = new List<EffectImage>();

        public static void Init()
        {
            if (_instance == null)
            {
                GameObject go = new GameObject("~NParticlePool");
                _instance = go.AddComponent<NParticlePool>();
                DontDestroyOnLoad(go);
            }
        }

        public EffectImage Create()
        {
            EffectImage effectImage;
            if (m_Pool.Count > 0)
            {
                effectImage = m_Pool[m_Pool.Count - 1];
                m_Pool.RemoveAt(m_Pool.Count - 1);
                return effectImage;
            }
            GameObject go = new GameObject("NParticle");
            effectImage = go.AddComponent<EffectImage>();
            return effectImage;
        }

        public void Recycle(EffectImage effectImage)
        {
            effectImage.transform.parent = transform;
            effectImage.Clear();
            m_Pool.Add(effectImage);
        }
    }
}