<?php
namespace AntivirusAI\V1;

/** Packaged offer metadata; never an entitlement or an instruction to bill. */
final class Product {

	public static function offer(): array {
		static $offer = null;
		if ( null === $offer ) {
			$offer = json_decode( file_get_contents( dirname( __DIR__ ) . '/commercial.json' ), true, 8, JSON_THROW_ON_ERROR );
		}
		return $offer;
	}

	public static function priceLabel(): string {
		$offer = self::offer();
		return '$' . number_format( $offer['amount_minor'] / 100, 2, '.', '' ) . ' ' . $offer['currency'] . '/year/site';
	}

	/** Explicit operator destinations only; no report is sent by this method. */
	public static function channels(): array {
		$result = array();
		$names  = array(
			'billing'        => 'ANTIVIRUS_AI_BILLING_HELP_URL',
			'bugs'           => 'ANTIVIRUS_AI_BUG_REPORT_URL',
			'false_positive' => 'ANTIVIRUS_AI_FALSE_POSITIVE_URL',
			'security'       => 'ANTIVIRUS_AI_DISCLOSURE_URL',
		);
		foreach ( $names as $kind => $name ) {
			if ( ! defined( $name ) || ! is_string( constant( $name ) ) ) {
				continue;
			}
			$url = constant( $name );
			$p   = wp_parse_url( $url );
			if ( strlen( $url ) <= 2048 && ! preg_match( '/[\x00-\x20\x7f]/', $url ) && is_array( $p ) && 'https' === ( $p['scheme'] ?? '' ) && ! empty( $p['host'] ) && ! isset( $p['user'] ) && ! isset( $p['pass'] ) ) {
				$result[ $kind ] = $url;
			}
		}
		return $result;
	}
}