#pragma warning disable CS0618
#pragma warning disable CS0168
using System.Reflection;
using Godot;

namespace Polonium;

public static class Utils
{
    public static IEnumerable<Type> GetLoadableTypes(Assembly assembly)
    {
        try
        {
            return assembly.GetTypes();
        }
        catch (ReflectionTypeLoadException e)
        {
            return e.Types.Where(t => t != null);
        }
    }

    private static Dictionary<StringName, AnimatedTexture> AnimatedTextureCache { get; } = new();

    public static AnimatedTexture LoadAnimatedTextureFromDirectory(StringName path)
    {
        try
        {
            if (!AnimatedTextureCache.ContainsKey(path))
            {
                AnimatedTextureCache[path] = new AnimatedTexture();
                int f = 0;
                foreach (string fname in DirAccess.GetFilesAt(path))
                {
                    if (!fname.EndsWith(".png"))
                        continue;
                    AnimatedTextureCache[path].SetFrameTexture(f, ResourceLoader.Load<Texture2D>(fname));
                }
            }

            return AnimatedTextureCache[path];
        }
        catch (Exception e)
        {
            return null;
        }
    }
}
#pragma warning restore CS0618
#pragma warning restore CS0168