using Galaeth.Core.Dtos;
using Galaeth.Services.Dtos;

namespace Galaeth.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(string userId);
}