<?php

namespace App\Core;

final class Router
{
    private array $routes = [];

    public function add(string $method, string $path, array $handler): void
    {
        $pattern = '#^' . preg_replace('#\{([a-zA-Z_]+)\}#', '(?P<$1>[^/]+)', $path) . '$#';
        $this->routes[] = [$method, $pattern, $handler];
    }

    public function dispatch(string $method, string $uri): void
    {
        $path = parse_url($uri, PHP_URL_PATH) ?: '/';
        foreach ($this->routes as [$routeMethod, $pattern, $handler]) {
            if ($routeMethod !== $method || !preg_match($pattern, $path, $matches)) {
                continue;
            }

            $params = array_filter($matches, 'is_string', ARRAY_FILTER_USE_KEY);
            [$class, $action] = $handler;
            (new $class())->$action($params);
            return;
        }

        Response::error('Ruta no encontrada', 404);
    }
}