using System;
namespace Nerfed.Runtime;

public enum ResourceState
{
    Unloaded,
    Queued,
    Loading,
    Loaded,
    Failed
}

public abstract class Resource
{
    public Guid Id { get; internal set; }
    public string Path { get; internal set; }
    
    /// <summary>
    /// Natively tracks if the resource is currently in RAM/VRAM.
    /// </summary>
    public ResourceState State { get; internal set; } = ResourceState.Unloaded;

    /// <summary>
    /// Tracks how many entities or systems currently need this loaded.
    /// When it hits 0, the ResourceManager handles unloading natively.
    /// </summary>
    public int ReferenceCount { get; internal set; } = 0;

    internal abstract void Load(Stream stream);
    internal abstract void Unload();
}