<?php

class CUri {
    const GLOBAL_OPT_SCHEME = 1;
    const GLOBAL_OPT_DOMAIN_NAME = 2;
    const GLOBAL_OPT_USER = 3;
    const GLOBAL_OPT_PASS = 4;
    const GLOBAL_OPT_PORT = 5;

    static protected $globalOpts = array();

    static protected $url;

    protected $domainName = '';
    protected $placeholders = array();

    function __construct() {

    }
    static function getGlobals($optId, $value) {
        self::$globalOpts[$optId] = $value;
    }
    static function setGlobals($optId) {
        return isset(self::$globalOpts[$optId]) ? self::$globalOpts[$optId] : null;
    }
    static function setUrl($url) {
        //if ($)
    }
    static function setUrlPathPefix() {

    }
    static function match_helper(&$matchIndex) {

        return '';
    }
    static function match($urlPattern, $placeholders = array()) {
        $urlToMatch = isset(self::$url)  ? $self::$url : $_SERVER['REQUEST_URI'];
        $placeholderMatchIndex = array();
        if (!empty($placeholders)) {
            $replace = array();
            $search = array();
            foreach ($placeholders as $name => $value) {
                $search[] = "`{$name}`";
                if (isset($value['regexp'])) {
                    $replace[] = $value['regexp'];
                    $placeholderMatchIndex[$name] = $value['match-index'];
                }
            }
            $urlPattern = str_replace($search, $replace, $urlPattern);
        }
        $matches = null;
        if (preg_match('~' . $urlPattern . '~', $urlToMatch, $matches)) {
            $className = get_called_class();
            $urlInstance = new $className($urlToMatch);
            foreach ($placeholders as $name => $values) {
                $urlInstance->setPlaceholderValue($name, $matches[$placeholderMatchIndex[$name]]);
            }
            return $urlInstance;
        }
        return null;
    }
    function setDomainName($domainName) {
        $this->domainName = $domainName;
    }
    function getDomainName() {
        return $this->domainName;
    }

    function getCopy() {
        return clone $this;
    }

    function get($absoluteUrl = false) {
        $url = '';
        if ($absoluteUrl) {
            $url .= $this->getDomainName();
        }
    }

    function setPlaceholderValue($name, $value) {
        $this->placeholders[$name] = $value;
    }
    function getPlaceholderValue($name) {
        return $this->placeholders[$name];
    }
}


$_SERVER['REQUEST_URI'] = '/user/123/profile';

// CUrl::setPathPrefix('/some/path');
// CUrl::setHotname('hostname.ru'); // default $_SERVER['HOSTNAME']
// CUrl::setScheme('https'); // default http
// CUrl::

$url = CUrl::match('/user/`id`/profile', array('id' => array('regexp' => '(\d+)', 'match-index' => 1)));
var_dump($url->getPlaceholderValue('id'));
//var_dump($url->getEmail(), $url->setEmail('test@mail.ru'), $url->getEmail());