namespace Explorer.Hosting;

public sealed class DeferredServiceProvider : IServiceProvider
{
    private IServiceProvider? _inner;
    private readonly TaskCompletionSource<IServiceProvider> _ready = new(TaskCreationOptions.RunContinuationsAsynchronously);

    public Task<IServiceProvider> Ready => _ready.Task;

    public void Complete(IServiceProvider inner)
    {
        _inner = inner;
        _ready.TrySetResult(inner);
    }

    public object? GetService(Type serviceType) => _inner?.GetService(serviceType);
}