// <copyright file="IIdentityProvider.cs" company="alveus.dev">
// Copyright (c) alveus.dev. All rights reserved. Licensed under the MIT License.
// </copyright>

namespace Astral.Services.Interfaces;

/// <summary>
/// Identify who the requesting user is.
/// </summary>
public interface IIdentityProvider
{
    /// <summary>
    /// Get the user id of the authorised agent.
    /// </summary>
    /// <returns>Guid representing the user id, or empty guid if none.</returns>
    Guid GetUserId();

    /// <summary>
    /// Get the username of the authorised agent.
    /// </summary>
    /// <returns>Username, or null if none.</returns>
    string GetUserName();
}