using UnityEngine;

namespace FlappyBird.Core
{
    public interface IObjectPoolManager
    {
        /// <summary>
        /// Registers a new prefab type with the pooling system.
        /// </summary>
        /// <typeparam name="T">The component type that implements IPoolable.</typeparam>
        /// <param name="prefab">The GameObject prefab to instantiate.</param>
        /// <param name="initialSize">How many instances to pre-warm in the pool.</param>
        void RegisterPool<T>(GameObject prefab, int initialSize = 0) where T : Component, IPoolable;

        /// <summary>
        /// Retrieves an instance from the pool, or creates a new one if the pool is empty.
        /// </summary>
        T Get<T>() where T : Component, IPoolable;

        /// <summary>
        /// Returns an instance to the pool and deactivates it.
        /// </summary>
        void Return<T>(T item) where T : Component, IPoolable;
    }
}