<?php
/**
* Port utilities for Requests
*
* @package Requests\Utilities
* @since 2.0.0
*/

namespace WpOrg\Requests;

use WpOrg\Requests\Exception;
use WpOrg\Requests\Exception\InvalidArgument;

/**
* Find the correct port depending on the Request type.
*
* @package Requests\Utilities
* @since 2.0.0
*/
final class Port {

/**
* Port to use with Acap requests.
*
* @var int
*/
const ACAP = 674;

/**
* Port to use with Dictionary requests.
*
* @var int
*/
const DICT = 2628;

/**
* Port to use with HTTP requests.
*
* @var int
*/
const HTTP = 80;

/**
* Port to use with HTTP over SSL requests.
*
* @var int
*/
const HTTPS = 443;

/**
* Retrieve the port number to use.
*
* @param string $type Request type.
* The following requests types are supported:
* 'acap', 'dict', 'http' and 'https'.
*
* @return int
*
* @throws \WpOrg\Requests\Exception\InvalidArgument When a non-string input has been passed.
* @throws \WpOrg\Requests\Exception When a non-supported port is requested ('portnotsupported').
*/
public static function get($type) {
if (!is_string($type)) {
throw InvalidArgument::create(1, '$type', 'string', gettype($type));
}

$type = strtoupper($type);
if (!defined("self::{$type}")) {
$message = sprintf('Invalid port type (%s) passed', $type);
throw new Exception($message, 'portnotsupported');
}

return constant("self::{$type}");
}
}