using UnityEngine;
using WK;

namespace WK
{
    public class GameObjectPool : System.IDisposable, UnityObjectPool<GameObject>.IPooledInstanceInitializer
    {
        UnityObjectPool<GameObject> _pool;
        Transform _poolParent;

        public GameObjectPool(GameObject sourceObject, Transform poolParent, int initialSize = 0)
        {
            _pool = new UnityObjectPool<GameObject>(sourceObject, poolParent, this, initialSize);
            _poolParent = poolParent;
        }

        public GameObject Acquire(Transform parent)
        {
            GameObject instance = _pool.Acquire();
            instance.transform.SetParent(parent);
            instance.transform.ResetLocal();
            instance.SetActive(true);

            return instance;
        }

        public void Release(GameObject instance)
        {
            instance.SetActive(false);
            instance.transform.SetParent(_poolParent);
            _pool.Release(instance);
        }

        public void InitPooledInstance(GameObject instance)
        {
            instance.SetActive(false);
        }

        public void DestroyPooledInstance(GameObject instance)
        {
            UnityEngine.Object.Destroy(instance);
        }

        public void Dispose()
        {
            _pool.Dispose();
            _pool = null;
            _poolParent = null;
        }
    }
}