<?php

namespace NoccyLabs\UPnP\HTTPU;

class Response
{
    protected $headers = [];

    protected $ip;

    public function __construct(array $headers, $ip)
    {
        $this->headers = $headers;
        $this->ip = $ip;
    }

    public static function createFromString($string, $ip)
    {
        $data = explode("\r\n", trim($string));
        $status = array_shift($data);
        $headers = [];
        foreach ($data as $line) {
            list ($header, $value) = array_map("trim", explode(":",$line,2));
            $headers[strtolower($header)] = $value;
        }
        
        // Test for search responses using the ST header
        if (array_key_exists('st', $headers)) {
            return new MSearchResponse($headers, $ip);
        }

    }

    public function getIp()
    {
        return $this->ip;
    }

    public function getLocation()
    {
        return $this->headers['location'];
    }

}