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

using Astral.Services.Dtos;

namespace Astral.Services.Interfaces;

/// <summary>
///     User Service.
/// </summary>
public interface IUserService
{
    /// <summary>
    /// Create a new user and return its user dto.
    /// </summary>
    /// <param name="createUser">Instance of <see cref="CreateUserDto" />.</param>
    /// <returns>Instance of <see cref="UserDto" />.</returns>
    Task<UserDto> CreateNewUser(CreateUserDto createUser);

    /// <summary>
    /// Fetch a user based on their user id.
    /// </summary>
    /// <param name="userId">User id.</param>
    /// <returns>Instance of <see cref="UserDto" />, or null if not found.</returns>
    Task<UserDto> FindById(Guid userId);
}