<?php
declare(strict_types=1);

namespace HttpServer\Events;


use Exception;
use HttpServer\Abstracts\Callback;
use HttpServer\Http\Request;
use HttpServer\Route\Router;
use ReflectionException;
use Snowflake\Core\Json;
use Snowflake\Event;
use Snowflake\Exception\NotFindClassException;
use Snowflake\Snowflake;
use Swoole\Server;

/**
 * Class OnReceive
 * @package HttpServer\Events
 */
class OnReceive extends Callback
{

    public int $port = 0;


    public string $host = '';


    private Router $router;


    public function init()
    {
        $this->router = Snowflake::app()->getRouter();
    }


    /**
     * @param Server $server
     * @param int $fd
     * @param int $reID
     * @param string $data
     * @return mixed
     * @throws Exception
     */
    public function onHandler(Server $server, int $fd, int $reID, string $data): mixed
    {
        try {
            defer(fn() => fire(Event::SYSTEM_RESOURCE_RELEASES));

            $request = $this->_request($fd, $data, $reID);
            if (($node = $this->router->find_path($request)) === null) {
                return $server->send($fd, Json::encode(['state' => 404]));
            }
            $dispatch = $node->dispatch();
            if (!is_string($dispatch)) $dispatch = Json::encode($dispatch);
            if (empty($dispatch)) {
                $dispatch = Json::encode(['state' => 0, 'message' => 'ok']);
            }
            if ($server->exist($fd)) {
                return $server->send($fd, $dispatch);
            }
            return $dispatch;
        } catch (\Throwable $exception) {
            $this->addError($exception, 'receive');
            $error = ['state' => 500, 'message' => $exception->getMessage()];
            if ($server->exist($fd)) {
                return $server->send($fd, Json::encode($error));
            }
            return Json::encode($error);
        }
    }


}