// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.Threading.Tasks;
 
namespace Microsoft.AspNetCore.Identity;
 
/// <summary>
/// Provides an abstraction for validating passwords.
/// </summary>
/// <typeparam name="TUser">The type that represents a user.</typeparam>
public interface IPasswordValidator<TUser> where TUser : class
{
    /// <summary>
    /// Validates a password as an asynchronous operation.
    /// </summary>
    /// <param name="manager">The <see cref="UserManager{TUser}"/> to retrieve the <paramref name="user"/> properties from.</param>
    /// <param name="user">The user whose password should be validated.</param>
    /// <param name="password">The password supplied for validation</param>
    /// <returns>The task object representing the asynchronous operation.</returns>
    Task<IdentityResult> ValidateAsync(UserManager<TUser> manager, TUser user, string? password);
}