<?php
namespace pb;
if ( ! defined('PB_ENGINE_PATH')) exit('No direct script access allowed');
/**
 * @package phpbull
 * @author Piyush Mishra<me[at]piyushmishra[dot]com>
 */

class uri
{
    private $_segments;
    private $_request_uri;
    public $site_url;
    function __construct($apps)
    {
        $scheme= (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS']!='off') ? 'https':'http';
        $host_parts = explode(':', $_SERVER['HTTP_HOST'], 2);
        $http_host = array_shift($host_parts);
        $http_port = array_shift($host_parts);
        $request_uri=$this->request_uri();
        if(filter_var($scheme."://".$http_host.$request_uri, FILTER_VALIDATE_URL))
        {
            if(isset($apps) && is_array($apps))
            foreach($apps as $url=>$relpath)
            {
                $urla=parse_url($url);
                if($urla['scheme']==$scheme && $urla['host']==$http_host && $urla['port'] == $http_port)
                {
                    if(strpos($request_uri,$urla['path'])===0)
                    {
                        $this->site_url=$url;
                        $this->populate($urla['path']);
                        define('PB_APP_PATH',realpath($relpath).'/');
                        break;
                    }
                }
            }
        }
    }
    public function segment($id,$false=false)
    {
        if(array_key_exists($id,$this->_segments))
            return $this->_segments[$id];
        return $false;
    }
    public function total_segments()
    {
        return count($this->_segments);
    }
    public function segment_array()
    {
        return $this->_segments;
    }
    private function populate($path)
    {
        $relative=str_replace($path,"",$this->_request_uri);
        $segments=explode('/',$relative);
        $this->_segments=$segments;
        array_pop($this->_segments);
        array_unshift($this->_segments,'');
        unset($this->_segments[0]);
    }
    private function request_uri()
    {
        $this->_request_uri=rtrim($_SERVER['REQUEST_URI'],'/').'/';
        return $this->_request_uri;
    }
}

/**
 * End of file Uri
 */