Phred/src/Providers/Core/TemplateServiceProvider.php

<?php
declare(strict_types=1);

namespace Phred\Providers\Core;

use DI\Container;
use DI\ContainerBuilder;
use Phred\Support\Contracts\ConfigInterface;
use Phred\Support\Contracts\ServiceProviderInterface;

final class TemplateServiceProvider implements ServiceProviderInterface
{
    public function register(ContainerBuilder $builder, ConfigInterface $config): void
    {
        $driver = (string) $config->get('TEMPLATE_DRIVER', $config->get('app.drivers.template', 'eyrie'));

        $impl = match ($driver) {
            'eyrie' => \Phred\Template\EyrieRenderer::class,
            default => throw new \RuntimeException("Unsupported template driver: {$driver}"),
        };

        if ($driver === 'eyrie' && !class_exists(\Eyrie\Engine::class)) {
            throw new \RuntimeException("Eyrie Engine not found. Did you install getphred/eyrie?");
        }

        $builder->addDefinitions([
            \Phred\Template\Contracts\RendererInterface::class => \DI\autowire($impl),
        ]);
    }

    public function boot(Container $container): void {}
}