using System.Collections.Immutable;
using System.Reflection;
using Connected.Annotations;

namespace Connected.Configuration.Environment;

internal class EnvironmentService : IEnvironmentService
{
	private List<Assembly>? _assemblies;
	public List<Assembly> All => _assemblies ??= QueryAssemblies();

	public EnvironmentService()
	{
		Services = new EnvironmentServices();
	}

	public ImmutableList<Assembly> MicroServices => All.ToImmutableList();

	public IEnvironmentServices Services { get; }

	private static List<Assembly> QueryAssemblies()
	{
		var result = new List<Assembly>();

		foreach (var assembly in AppDomain.CurrentDomain.GetAssemblies())
		{
			if (assembly.GetCustomAttribute<MicroServiceAttribute>() is not null)
				result.Add(assembly);
		}

		return result;
	}
}