using Svrnty.CQRS.Abstractions;
using Svrnty.CQRS.Altcha.Abstractions;

namespace Svrnty.Sample;

// Exercises the ICommandAuthorizationCheck seam at runtime.
// The command is decorated with [Altcha] and carries the solution
// through IHasAltchaSolution. With Svrnty.CQRS.Altcha + a registered
// IAltchaVerifier, the framework's check pipeline reads the field,
// calls the verifier, and short-circuits on failure.
[Altcha]
public sealed class ProtectedActionCommand : IHasAltchaSolution
{
    public string Action { get; set; } = string.Empty;
    public string? AltchaSolution { get; set; }
}

public sealed class ProtectedActionCommandHandler : ICommandHandler<ProtectedActionCommand, string>
{
    public Task<string> HandleAsync(ProtectedActionCommand command, CancellationToken cancellationToken = default)
    {
        return Task.FromResult($"executed:{command.Action}");
    }
}

// Stub verifier that doesn't talk to an external altcha service —
// enough to exercise the check pipeline in isolation. Treats the
// literal string "valid-solution" as a passing PoW solution.
public sealed class StubAltchaVerifier : IAltchaVerifier
{
    public Task<AltchaVerifyResult> VerifyAsync(string payload, CancellationToken cancellationToken = default)
    {
        if (payload == "valid-solution")
            return Task.FromResult(AltchaVerifyResult.Success);
        return Task.FromResult(AltchaVerifyResult.Fail("stub-rejected"));
    }
}