<?php

 
 namespace elanpl\L3;
 
 class Request{
     public $Path;
     public $Method;
     public $Accept;
     public $AcceptTypes;
     public $AcceptLanguage;
     public $UserAgent;
     public $Headers;

     public $Body;

     public function __construct(){
         if(isset($_GET['path']))
             $this->Path = $_GET['path'];
         $this->Method = $_SERVER['REQUEST_METHOD'];
         $this->Accept = $_SERVER['HTTP_ACCEPT'];
         $this->AcceptTypes = $this->ParseAccept($this->Accept);

         $this->AcceptLanguage = isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])?$_SERVER['HTTP_ACCEPT_LANGUAGE']:"";
         $this->UserAgent = $_SERVER['HTTP_USER_AGENT'];

         if(function_exists('apache_request_headers')){
             $this->Headers = apache_request_headers();
         }
         else{
             $this->Headers = array();
             foreach($_SERVER as $key => $value) {
                 if (substr($key, 0, 5) <> 'HTTP_') {
                     continue;
                 }
                 $header = str_replace(' ', '-', ucwords(str_replace('_', ' ', strtolower(substr($key, 5)))));
                 $this->Headers[$header] = $value;
             }
         }

         if (php_sapi_name() != "cli") {
             $this->Body = file_get_contents('php://input');
         }

     }
 
     public function ParseAccept($accept){
         //cut out the spaces
         $accept = str_replace(" ", "", $accept);
 
         $result = array();
         $quality_factors = array();
 
         // find content type and corresponding quality factor value
         foreach(explode(",", $accept) as $AcceptParts){
             $type = explode(";", $AcceptParts);
             $result[] = $type[0];
             if(count($type)>1){
                 if($type[1][0].$type[1][1] == "q="){
                     $quality_factors[] = substr($type[1],2);
                 }
                 else if($type[2][0].$type[2][1] == "q="){
                     $quality_factors[] = substr($type[2],2);
                 }
                 else{
                     $quality_factors[] = 1;
                 }
             }
             else{
                 $quality_factors[] = 1;
             }
         }
 
         // sort the types according to quality factors
         array_multisort($quality_factors, SORT_DESC, SORT_NUMERIC, $result);
 
         return $result;
     }
 
 }