<?php

declare(strict_types=1);

namespace App\Core;

class Router
{
    private array $routes = [
        'GET' => [],
        'POST' => [],
    ];

    public function get(string $path, array $handler): void
    {
        $this->routes['GET'][] = [$path, $handler];
    }

    public function post(string $path, array $handler): void
    {
        $this->routes['POST'][] = [$path, $handler];
    }

    public function dispatch(string $method, string $uri): void
    {
        $path = parse_url($uri, PHP_URL_PATH);

        foreach ($this->routes[$method] ?? [] as [$route, $handler]) {
            $pattern = preg_replace('/\{[a-zA-Z_][a-zA-Z0-9_]*\}/', '([^/]+)', $route);
            $pattern = '#^' . $pattern . '$#';

            if (preg_match($pattern, $path, $matches)) {
                array_shift($matches);

                [$class, $action] = $handler;
                $controller = new $class();
                $controller->$action(...$matches);
                return;
            }
        }

        http_response_code(404);
        echo '404 Not Found';
    }
}