<?php

namespace UltimateStoreKit\Classes;

if (!defined('ABSPATH'))
	exit; // Exit if accessed directly

class Utils
{


	public static function get_site_domain()
	{
		return str_ireplace('www.', '', wp_parse_url(home_url(), PHP_URL_HOST));
	}

	public static function readable_num($size)
	{
		$l = substr($size, -1);
		$ret = substr($size, 0, -1);
		$byte = 1024;

		switch (strtoupper($l)) {
			case 'P':
				$ret *= 1024;
			case 'T':
				$ret *= 1024;
			case 'G':
				$ret *= 1024;
			case 'M':
				$ret *= 1024;
			case 'K':
				$ret *= 1024;
		}
		return $ret;
	}

	/**
	 * For get wp environment for ultimate store kit
	 * @return [type] [description]
	 */
	public static function get_environment_info()
	{

		// Figure out cURL version, if installed.
		$curl_version = '';
		if (function_exists('curl_version')) {
			$curl_version = curl_version();
			$curl_version = $curl_version['version'] . ', ' . $curl_version['ssl_version'];
		}


		// WP memory limit.
		$wp_memory_limit = self::readable_num(WP_MEMORY_LIMIT);
		if (function_exists('memory_get_usage')) {
			$wp_memory_limit = max($wp_memory_limit, self::readable_num(@ini_get('memory_limit')));
		}


		return array(
			'home_url' => get_option('home'),
			'site_url' => get_option('siteurl'),
			'version' => BDTUSK_VER,
			'wp_version' => get_bloginfo('version'),
			'wp_multisite' => is_multisite(),
			'wp_memory_limit' => $wp_memory_limit,
			'wp_debug_mode' => (defined('WP_DEBUG') && WP_DEBUG),
			'wp_cron' => !(defined('DISABLE_WP_CRON') && DISABLE_WP_CRON),
			'language' => get_locale(),
			'external_object_cache' => wp_using_ext_object_cache(),
			'php_version' => phpversion(),
			'php_post_max_size' => self::readable_num(ini_get('post_max_size')),
			'php_max_execution_time' => ini_get('max_execution_time'),
			'php_max_input_vars' => ini_get('max_input_vars'),
			'curl_version' => $curl_version,
			'suhosin_installed' => extension_loaded('suhosin'),
			'max_upload_size' => wp_max_upload_size(),
			'default_timezone' => date_default_timezone_get(),
			'fsockopen_or_curl_enabled' => (function_exists('fsockopen') || function_exists('curl_init')),
			'soapclient_enabled' => class_exists('SoapClient'),
			'domdocument_enabled' => class_exists('DOMDocument'),
			'gzip_enabled' => is_callable('gzopen'),
			'mbstring_enabled' => extension_loaded('mbstring'),
		);
	}

	/**
	 * A list of safe tage for `get_valid_html_tag` method.
	 */
	const ALLOWED_HTML_WRAPPER_TAGS = [
		'article',
		'aside',
		'div',
		'footer',
		'h1',
		'h2',
		'h3',
		'h4',
		'h5',
		'h6',
		'header',
		'main',
		'nav',
		'p',
		'section',
		'span',
	];

	/**
	 * Validate an HTML tag against a safe allowed list.
	 * @param string $tag
	 * @return string
	 */
	public static function get_valid_html_tag($tag)
	{
		return in_array(strtolower($tag), self::ALLOWED_HTML_WRAPPER_TAGS) ? $tag : 'div';
	}
}