<?php
/**
 * Honeypot signal check.
 *
 * @package ZeroSpamForms
 */

namespace TwoOTwoCode\ZeroSpamForms\Engine\Checks;

defined( 'ABSPATH' ) || exit;

use TwoOTwoCode\ZeroSpamForms\Engine\CheckResult;
use TwoOTwoCode\ZeroSpamForms\Engine\ReasonCodeRegistry;
use TwoOTwoCode\ZeroSpamForms\Engine\SettingsSnapshot;
use TwoOTwoCode\ZeroSpamForms\Engine\SpamCheckInterface;
use TwoOTwoCode\ZeroSpamForms\Engine\SubmissionContext;

/**
 * Blocks high-confidence hidden-field completions.
 */
final class HoneypotCheck implements SpamCheckInterface {
	/**
	 * Get check name.
	 */
	public function get_name(): string {
		return 'honeypot';
	}

	/**
	 * Whether the check is enabled.
	 *
	 * @param SettingsSnapshot $settings Immutable settings snapshot.
	 */
	public function is_enabled( SettingsSnapshot $settings ): bool {
		return $settings->is_check_enabled( 'honeypot_check_enabled' );
	}

	/**
	 * Evaluate honeypot value.
	 *
	 * @param SubmissionContext $context  Normalized submission context.
	 * @param SettingsSnapshot  $settings Immutable settings snapshot.
	 */
	public function evaluate( SubmissionContext $context, SettingsSnapshot $settings ): CheckResult {
		unset( $settings );

		if ( '' !== trim( $context->get_honeypot_value() ) ) {
			return CheckResult::block( ReasonCodeRegistry::HONEYPOT_FILLED );
		}

		return CheckResult::pass();
	}
}