<?php

namespace KupShop\FeedGeneratorBundle\DependencyInjection\Compiler;

use KupShop\FeedGeneratorBundle\ContextPropertiesLocator;
use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
use Symfony\Component\DependencyInjection\ContainerBuilder;

/**
 * Check out https://symfony.com/doc/current/service_container/tags.html.
 */
class ContextPropertiesPass implements CompilerPassInterface
{
    public function process(ContainerBuilder $container)
    {
        // always first check if the primary service is defined
        if (!$container->has(ContextPropertiesLocator::class)) {
            return;
        }

        $definition = $container->findDefinition(ContextPropertiesLocator::class);

        // find all service IDs with the kupshop.feed.expression.functions tag
        $taggedServices = $container->findTaggedServiceIds('kupshop.feed.context.property');

        foreach ($taggedServices as $id => $tags) {
            $class = $container->findDefinition($id)->getClass();
            $definition->addMethodCall('addContextProperty', [
                $id,
                $class::getName(),
            ]);
        }

        $definition->addMethodCall('sortContexts');
    }
}