<?php
  
  /*
   * This file is part of the Symfony package.
   *
   * (c) Fabien Potencier <fabien@symfony.com>
   *
   * For the full copyright and license information, please view the LICENSE
   * file that was distributed with this source code.
   */
  
  namespace Symfony\Component\Translation\Exception;
  
  use Symfony\Component\Translation\Bridge;
  use Symfony\Component\Translation\Provider\Dsn;
  
  class UnsupportedSchemeException extends LogicException
  {
      private const SCHEME_TO_PACKAGE_MAP = [
          'crowdin' => [
              'class' => Bridge\Crowdin\CrowdinProviderFactory::class,
              'package' => 'symfony/crowdin-translation-provider',
          ],
          'loco' => [
              'class' => Bridge\Loco\LocoProviderFactory::class,
              'package' => 'symfony/loco-translation-provider',
          ],
          'lokalise' => [
              'class' => Bridge\Lokalise\LokaliseProviderFactory::class,
              'package' => 'symfony/lokalise-translation-provider',
          ],
      ];
  
      public function __construct(Dsn $dsn, ?string $name = null, array $supported = [])
      {
          $provider = $dsn->getScheme();
          if (false !== $pos = strpos($provider, '+')) {
              $provider = substr($provider, 0, $pos);
          }
          $package = self::SCHEME_TO_PACKAGE_MAP[$provider] ?? null;
          if ($package && !class_exists($package['class'])) {
              parent::__construct(sprintf('Unable to synchronize translations via "%s" as the provider is not installed; try running "composer require %s".', $provider, $package['package']));
  
              return;
          }
  
          $message = sprintf('The "%s" scheme is not supported', $dsn->getScheme());
          if ($name && $supported) {
              $message .= sprintf('; supported schemes for translation provider "%s" are: "%s"', $name, implode('", "', $supported));
          }
  
          parent::__construct($message.'.');
      }
  }