namespace Svrnty.CQRS.Altcha.Abstractions;

/// <summary>
/// Outcome of an Altcha solution verification.
/// </summary>
public sealed class AltchaVerifyResult
{
    public required bool Ok { get; init; }

    /// <summary>
    /// Diagnostic only — not surfaced to end users. Suggested values:
    /// <c>signature-invalid</c>, <c>expired</c>, <c>pow-incorrect</c>,
    /// <c>replayed</c>, <c>redis-unreachable</c>, <c>malformed</c>.
    /// </summary>
    public string? Reason { get; init; }

    public static AltchaVerifyResult Success { get; } = new() { Ok = true };

    public static AltchaVerifyResult Fail(string reason) => new() { Ok = false, Reason = reason };
}