using System.Text.Json.Serialization;

namespace Svrnty.CQRS.Altcha.MinimalApi;

/// <summary>
/// JSON projection of <see cref="Svrnty.CQRS.Altcha.Abstractions.AltchaChallenge"/>
/// in the exact shape the
/// <a href="https://altcha.org/docs/v2/widget-v3/">altcha widget v3</a>
/// expects from a <c>challengeurl</c> response. Property names are
/// lowercased and <c>challenge</c> (no underscore) to match the widget.
/// </summary>
public sealed class AltchaChallengeDto
{
    [JsonPropertyName("algorithm")]
    public required string Algorithm { get; init; }

    [JsonPropertyName("challenge")]
    public required string Challenge { get; init; }

    [JsonPropertyName("salt")]
    public required string Salt { get; init; }

    [JsonPropertyName("signature")]
    public required string Signature { get; init; }

    [JsonPropertyName("maxnumber")]
    public required uint MaxNumber { get; init; }
}