<?php declare(strict_types=1);
/**
 * Back-Compat
 *
 * @package wp-fail2ban
 * @since  4.4.0
 */
namespace {
	/**
	 * For ClassicPress and WP < 5.3
	 *
	 * @codeCoverageIgnore
	 */
	if ( ! function_exists( 'wp_timezone_string' ) ) {
		/**
		 * Retrieves the timezone of the site as a string.
		 *
		 * Uses the `timezone_string` option to get a proper timezone name if available,
		 * otherwise falls back to a manual UTC ± offset.
		 *
		 * Example return values:
		 *
		 *  - 'Europe/Rome'
		 *  - 'America/North_Dakota/New_Salem'
		 *  - 'UTC'
		 *  - '-06:30'
		 *  - '+00:00'
		 *  - '+08:45'
		 *
		 * @since 5.3.0
		 *
		 * @return string PHP timezone name or a ±HH:MM offset.
		 */
		function wp_timezone_string() {
			$timezone_string = get_option( 'timezone_string' );

			if ( $timezone_string ) {
				return $timezone_string;
			}

			$offset  = (float) get_option( 'gmt_offset' );
			$hours   = (int) $offset;
			$minutes = ( $offset - $hours );

			$sign      = ( $offset < 0 ) ? '-' : '+';
			$abs_hour  = abs( $hours );
			$abs_mins  = abs( $minutes * 60 );
			$tz_offset = sprintf( '%s%02d:%02d', $sign, $abs_hour, $abs_mins );

			return $tz_offset;
		}
	}
}

namespace org\lecklider\charles\wordpress\wp_fail2ban {
	/**
	 * Shim: Wrapper for \openlog
	 *
	 * @since  4.4.0    Refactor for Syslog class; add type hint, return type
	 * @since  3.5.0    Refactored for unit testing
	 *
	 * @param  string $log
	 *
	 * @return bool
	 */
	function openlog( string $log = 'WP_FAIL2BAN_AUTH_LOG' ): bool {
		return Syslog::open( $log );
	}

	/**
	 * Shim: Wrapper for \syslog
	 *
	 * @since  4.4.0    Refactor for Syslog class; add type hint, return type
	 * @since  3.5.0
	 *
	 * @param  int         $level
	 * @param  string      $msg
	 * @param  string|null $remote_addr
	 *
	 * @return void
	 *
	 * @codeCoverageIgnore
	 */
	function syslog( int $level, string $msg, string $remote_addr = null ): bool {
		return Syslog::write( $level, $msg, $remote_addr );
	}

	/**
	 * Shim: Wrapper for \closelog
	 *
	 * @since  4.4.0    Refactor for Syslog class; add return type
	 * @since  4.3.0
	 *
	 * @return void
	 */
	function closelog(): bool {
		return Syslog::close();
	}

	/**
	 * Helper: check if IP is in list of ranges
	 *
	 * @since  5.0.0    Deprecated
	 * @since  4.4.0    Add return type
	 * @since  4.3.1
	 *
	 * @param  int|string $ip     IP
	 * @param  array      $ranges
	 *
	 * @return bool
	 */
	function ip_in_range( $ip, array $ranges ): bool {
		if ( is_string( $ip ) ) {
			$ip = ip2long( $ip );
		}
		foreach ( $ranges as $range ) {
			if ( '#' == $range[0] ) {
				continue;
			} elseif ( 2 == count( $cidr = explode( '/', $range ) ) ) {
				$net  = ip2long( $cidr[0] );
				$mask = ~ ( pow( 2, ( 32 - $cidr[1] ) ) - 1 );
			} else {
				$net  = ip2long( $range );
				$mask = -1;
			}
			if ( $net == ( $ip & $mask ) ) {
				return true;
			}
		}

		return false;
	}

	/**
	 * Shim: Wrap new remote_addr() for older add-ons
	 *
	 * @since  5.0.0
	 *
	 * @return string
	 */
	function ___remote_addr(): string {
		return (string) core\remote_addr();
	}
}