<?php
namespace Psso\Challenge;
use Psso\{Challenge, AuthProvider, ChallengeResult, Context, Input, AuthInterface};

class Totp extends Challenge {
    public static function create(Context $context): static {
        self::requireKnownUser($context);
        return new self($context);
    }

    public function getInputs(): array {
        return [new Input('otp', Input::NUMERIC, 'challenge.input.otp')];
    }

    public function validate(
        AuthProvider $provider, array $inputData
    ): ChallengeResult {
        self::requireInterface($provider, AuthInterface\Totp::class);
        $success = $provider->validateTotp(
            $this->context->user, $inputData['otp']
        );
        return new ChallengeResult(
            self::class, $success, null,
            $success ? null : 'challenge.message.wrong-otp'
        );
    }
}