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/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier &lt;fabien@symfony.com&gt;
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\HttpKernel\DependencyInjection;

use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
use Symfony\Component\DependencyInjection\Compiler\ServiceLocatorTagPass;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
use Symfony\Component\DependencyInjection\Reference;
use Symfony\Component\HttpKernel\Fragment\FragmentRendererInterface;

/**
 * Adds services tagged kernel.fragment_renderer as HTTP content rendering strategies.
 *
 * @author Fabien Potencier &lt;fabien@symfony.com&gt;
 */
class FragmentRendererPass implements CompilerPassInterface
{
    private $handlerService;
    private $rendererTag;

    public function __construct(string $handlerService = 'fragment.handler', string $rendererTag = 'kernel.fragment_renderer')
    {
        if (0 &lt; \func_num_args()) {
            trigger_deprecation('symfony/http-kernel', '5.3', 'Configuring &quot;%s&quot; is deprecated.', __CLASS__);
        }

        $this-&gt;handlerService = $handlerService;
        $this-&gt;rendererTag = $rendererTag;
    }

    public function process(ContainerBuilder $container)
    {
        if (!$container-&gt;hasDefinition($this-&gt;handlerService)) {
            return;
        }

        $definition = $container-&gt;getDefinition($this-&gt;handlerService);
        $renderers = [];
        foreach ($container-&gt;findTaggedServiceIds($this-&gt;rendererTag, true) as $id =&gt; $tags) {
            $def = $container-&gt;getDefinition($id);
            $class = $container-&gt;getParameterBag()-&gt;resolveValue($def-&gt;getClass());

            if (!$r = $container-&gt;getReflectionClass($class)) {
                throw new InvalidArgumentException(sprintf('Class &quot;%s&quot; used for service &quot;%s&quot; cannot be found.', $class, $id));
            }
            if (!$r-&gt;isSubclassOf(FragmentRendererInterface::class)) {
                throw new InvalidArgumentException(sprintf('Service &quot;%s&quot; must implement interface &quot;%s&quot;.', $id, FragmentRendererInterface::class));
            }

            foreach ($tags as $tag) {
                $renderers[$tag['alias']] = new Reference($id);
            }
        }

        $definition-&gt;replaceArgument(0, ServiceLocatorTagPass::register($container, $renderers));
    }
}
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