<?php

declare(strict_types=1);

namespace App\Framework\Router;

use App\Framework\DI\Container;
use App\Framework\DI\Initializer;
use App\Framework\Http\Request;
use App\Framework\Router\ValueObjects\RouteParameters;

final readonly class RouteParametersInitializer
{
    #[Initializer]
    public function __invoke(Container $container): RouteParameters
    {
        $request = $container->get(Request::class);

        // Return existing route parameters if already set (from middleware)
        if (! $request->routeParameters->isEmpty()) {
            return $request->routeParameters;
        }

        // Fallback: Kombiniere alle Parameter-Quellen in Prioritäts-Reihenfolge:
        // 1. Query-Parameter
        // 2. POST/Request-Body Parameter
        $allParams = array_merge(
            $request->parsedBody->all(),  // POST data (niedrigste Priorität)
            $request->queryParams         // Query parameters (höchste Priorität)
        );

        return RouteParameters::fromArray($allParams);
    }
}