<?php

namespace Rpc;


use Exception;
use HttpServer\Events\OnClose;
use HttpServer\Events\OnConnect;
use HttpServer\Events\OnPacket;
use HttpServer\Events\OnReceive;
use HttpServer\Http\Context;
use HttpServer\Http\Request;
use HttpServer\Server;
use HttpServer\Service\Http;
use HttpServer\Service\Packet;
use HttpServer\Service\Receive;
use HttpServer\Service\Websocket;
use JetBrains\PhpStorm\Pure;
use ReflectionException;
use Snowflake\Abstracts\Component;
use Snowflake\Abstracts\Config;
use Snowflake\Core\Json;
use Snowflake\Exception\ConfigException;
use Snowflake\Exception\NotFindClassException;
use Snowflake\Snowflake;


/**
 * Class Service
 * @package Rpc
 */
class Service extends Component
{


	/**
	 * @param Packet|Websocket|Receive|Http|null $server
	 * @throws ConfigException
	 * @throws Exception
	 */
	public function instance(Packet|Websocket|Receive|null|Http $server): void
	{
		$service = Config::get('rpc');
		if (empty($service) || !is_array($service)) {
			return;
		}
		$mode = $service['mode'] ?? SWOOLE_SOCK_TCP6;

		if (Snowflake::port_already($service['port'])) {
			throw new Exception($this->already($service));
		}
		$this->debug(Snowflake::listen($service));

		$this->addCallback($mode);

		$rpcServer = $server->addlistener($service['host'], $service['port'], $mode);
		$rpcServer->set($service['setting'] ?? [
				'open_tcp_keepalive'      => true,
				'tcp_keepidle'            => 30,
				'tcp_keepinterval'        => 10,
				'tcp_keepcount'           => 10,
				'open_http_protocol'      => false,
				'open_websocket_protocol' => false,
			]);
	}


	/**
	 * @param $service
	 * @return string
	 */
	#[Pure] private function already($service): string
	{
		return sprintf('Port %s::%d is already.', $service['host'], $service['port']);
	}


	/**
	 * @param $mode
	 * @throws Exception
	 */
	private function addCallback($mode)
	{
		$tcp = [SWOOLE_SOCK_TCP, SWOOLE_TCP, SWOOLE_TCP6, SWOOLE_SOCK_TCP6];

		$server = Snowflake::app()->getServer();
		$server->onBindCallback('connect', [make(OnConnect::class), 'onHandler']);
		$server->onBindCallback('close', [make(OnClose::class), 'onHandler']);

		if (in_array($mode, $tcp)) {
			$server->onBindCallback('receive', [make(OnReceive::class), 'onHandler']);
		} else {
			$server->onBindCallback('packet', [make(OnReceive::class), 'onHandler']);
		}
	}


}