<?php
use Sirprize\PostalCodeValidator\Validator;
use Sirprize\PostalCodeValidator\ValidationException;

class Postalcodechecker extends Validator {

  public function isValid(string $countryCode, string $postalCode, bool $ignoreSpaces = false): bool
  {
      if(!isset($this->formats[$countryCode]))
      {
          throw new ValidationException(sprintf('Invalid country code: "%s"', $countryCode));
      }

      foreach($this->formats[$countryCode] as $format)
      {
          #echo $postalCode . ' - ' . $this->getCustomFormatPattern($format)."\n";
          if(preg_match($this->getCustomFormatPattern($format, $ignoreSpaces, $countryCode), $postalCode))
          {
              return true;
          }
      }

      if(!count($this->formats[$countryCode]))
      {
          return true;
      }

      return false;
  }

  protected function getCustomFormatPattern($format, $ignoreSpaces = false, $countryCode)
  {
      $rgx = '[a-zA-Z0-9]';
      /*
       * Compliance to Redmine Ticket https://redmine.wylog.com/issues/36388
       * 1. For country "France", it should only accept digits.
       * 2. For other countries other than France, any characters must be accepted
       */
      if (in_array($countryCode, ["FR", "FX"]))
      {
        $rgx = '\d';
      }

      $pattern = str_replace('#', $rgx, $format);
      $pattern = str_replace('@', '[a-zA-Z0-9]', $pattern);
      $pattern = str_replace('*', '[a-zA-Z0-9]', $pattern);

      if ($ignoreSpaces)
      {
          $pattern = str_replace(' ', ' ?', $pattern);
      }

      return '/^' . $pattern . '$/';
  }
}