<?php
	namespace Juju\Http;
	require_once('uri.class.php');

	class Request implements \JsonSerializable {
		private $verb;
		private $url;
		private $headers;
		private $body;
		public function __construct($verb, $url, array $headers = [], string $body = ''){
			if(is_string($url) || is_array($url)){
				$this->url = new Uri($url);
			}elseif($url instanceof Uri){
				$this->url = $url;
			}else{
				throw new \Exception("Invalid url {$url}");
			}
			if(is_array($headers)){
				$this->headers = $headers;
			}else{
				$this->headers = [];
			}
			$this->verb = $verb;
			$this->body = $body;
		}
		public function __get($name){
			switch($name){
				case 'headers':case 'url':case 'body':case 'verb':
					return $this->$name;
				break;
				case 'locale':
					return \Locale::acceptFromHttp($this->header('Accept-Language'));
				break;
			}
		}
		public function jsonSerialize(){
			return [
				'verb'=> $this->verb,
				'url'=> $this->url,
				'headers'=> $this->headers,
				'body'=> $this->body
			];
		}
		public function header($name){
			return $this->headers[$name] ?? null;
		}
		public function text(){
			return $this->body;
		}
		public function json(bool $assoc = true){
			return json_decode($this->body, $assoc);
		}
		public function xml(string $classname = 'SimpleXMLElement', int $options, string $ns = '', bool $is_prefix = false){
			return simplexml_load_string($this->body, $classname, $options, $ns, $is_prefix);
		}
		public function msgpack(){
			if(!extension_loaded("msgpack")){
				throw new \Exception("Unable to load msgpack extension");
			}
			return msgpack_unpack($this->body);
		}
		public static function get_url(){
			$url = $_SERVER['REDIRECT_URL'] ?? $_SERVER['REQUEST_URI'];
			if(!empty($_SERVER['HTTP_X_FORWARDED_PROTO'])){
				$root = $_SERVER['HTTP_X_FORWARDED_PROTO'].'://';
			}else{
				$root = !empty($_SERVER['HTTPS']) ? "https://" : "http://";
			}
			// @todo - determine if http or http and also check cloudflare
			return parse_url($root.$_SERVER['HTTP_HOST'].$url);
		}
		public static function get_headers(){
			return getallheaders();
		}
		public static function get_body(){
			return file_get_contents( 'php://input','r');
		}
		public static function get_verb(){
			return $_SERVER['REQUEST_METHOD'];
		}
		public static function get_locale(){
			Locale::acceptFromHttp($_SERVER['HTTP_ACCEPT_LANGUAGE']);
		}
	}
?>