<?php
 
 namespace elanpl\L3;
 
 class Response{
 
     protected $headers;
     protected $code;
     protected $reasonPhrase;
     protected $body;
 
     public function __construct()
     {
         $this->headers = array();
     }
 
     public function getStatusCode(){
         return $this->code;
     }
 
     public function getReasonPhrase(){
         return $this->reasonPhrase; 
     }
 
     public function getBody(){
         return $this->body;
     }
 
     public function withStatus($code, $reasonPhrase = ''){
         $this->code = $code;
         $this->reasonPhrase = $reasonPhrase;
         return $this;
     }
 
     public function withHeader($name, $value){
         $this->headers[$name] = $value;
         return $this;
     }
 
     public function withBody($body){
         if(is_string($body)){
             $this->body = $body;
         }
         else{
             throw new \Exception('Not implemented!');
         }
         return $this;
     }
 
     public function send(){
         if(!headers_sent()){
             if(isset($this->reasonPhrase)&&$this->reasonPhrase!=""){
                 header($_SERVER['SERVER_PROTOCOL']." ".$this->code." ".$this->reasonPhrase);
             }
             else if(isset($this->code)) http_response_code($this->code);
             foreach($this->headers as $header => $value){
                 header($header.": ".$value);
             }
         }
         if(isset($this->body)) echo $this->body;
     }
 
     public function redirect($url, $code=null){
         if(isset($code)){
             http_response_code($code);
         }
         else if(isset($this->code) && $this->code!=''){
             http_response_code($this->code);
         }
         header("Location: ".$url);
     }
 
 }