<?php

declare(strict_types=1);

/**
 * @author Robert Strutts <Bob_586@Yahoo.com>
 * @copyright (c) 2025, Robert Strutts
 * @license MIT
 */

namespace CodeHydrater\http;

use \CodeHydrater\http\service_provider as ServiceProvider;
use \CodeHydrater\http\kernel as Kernel;
use \CodeHydrater\http\request as Request;
use \CodeHydrater\http\response as Response;
use \CodeHydrater\router as Router;
use \CodeHydrater\app as App;

/**
 * Description of route_service_provider
 * Setup Router and Controllers 
 * 
 * @author Robert Strutts <Bob_586@Yahoo.com>
 */
class route_service_provider extends ServiceProvider {

    protected Kernel $kernel;

    public function __construct(Kernel $kernel) {
        $this->kernel = $kernel;
    }

    private function build($handler, $response, $request, $next, $controller_middleware) {
        // Build middleware stack
        $middleware_stack = array_reduce(
                array_reverse($controller_middleware),
                function ($next, $middleware) {
                    return function ($request, $response) use ($next, $middleware) {
                        if ($middleware !== null ) {
                            $instance = new $middleware();
                            return $instance($request, $response, $next);
                        }
                    };
                },
                function ($request, $response) use ($handler) {
                    $response->set_content($handler->get_content());
                    return $response;
                }
        );
        return $middleware_stack($request, $response);
    }

    public function register(): void {
        // Add router middleware
        $this->kernel->add_middleware(function (Request $request, Response $response, $next) {
            $returned_route = Router::execute($request, $response);
            if ($returned_route["found"] === false) {
                $app = new App($request, $response);
                $returned = $app->load_controller();
                $a_middleware = $returned['middleware'] ?? [];
                $data = $returned['data'] ?? "";
                return $this->build($data, $response, $request, $next, $a_middleware);
            } else {
                return $this->build($returned_route['returned'], $response,  $request, $next, $returned_route['middleware']);
            }
        });
    }
}