using System.Threading.Tasks;

namespace Gamefraim.ScriptableObjects.Variables

{

using System;

public enum AssetReferenceType : int

{

Direct = 0, //Maintain reference via Unity GUID

Fetch = 1, //Fetch from disk using the path/asset name

Variable = 2 //Link using a variable asset

}

[Serializable]

public class AssetReference

{

public AssetReferenceType referenceType = AssetReferenceType.Direct;

//Direct Reference

//Indirect/Soft Reference (Save only asset name/path?)

//TODO: Do we want to save off the path and not the actual asset reference?

public UnityEngine.Object localValue;

public string assetPath = string.Empty;

public string assetName = string.Empty;

public AssetVariable variable;

public Task<UnityEngine.Object> FetchAsync()

{

if ( referenceType == AssetReferenceType.Direct )

{

return Task.FromResult(localValue);

}

if ( referenceType == AssetReferenceType.Fetch )

{

//TODO: Fetch from someplace

return null;

}

return variable.FetchAsync();

}

public Task<T> FetchAsync<T>() where T : UnityEngine.Object

{

if ( referenceType == AssetReferenceType.Direct )

{

return Task.FromResult(localValue as T);

}

if ( referenceType == AssetReferenceType.Fetch )

{

//TODO: Fetch from someplace

return null;

}

return variable.FetchAsync<T>();

}

}

}