<?php
/**
 * Created by Komma.pro
 * User: mikevandersanden
 * Date: 18/9/13
 */

class Translator
{
    /*
     * @property array options
     * Languages used in this website.
     * What files match with what languages
     */
    private $_options = array();

    /*
     * @property Language lang
     * Current language.
     */
    private $_lang = null;

    public function __construct($lang)
    {
        // set options
        $this->_options = array('nl');
        // Set language
        $lang = strtolower($lang);
        if( in_array($lang, $this->_options))
        {
            $object = 'Language_' . ucfirst($lang);
            if( ! class_exists($object)) include DOCUMENT_ROOT.'/config/lang/' . $lang . '.php';
            $this->_lang = new $object();
        }
    }

    public function get(){
        return $this->_lang->get();
    }

    public function getUrls(){
        return $this->_lang->get('url');
    }

    public function getPages(){
        return $this->_lang->get('pages');
    }

    /*
     * Display the menu
     */
    public function displayMenu()
    {
        $output = '';
        foreach($this->_options as $country)
        {
            $stringUrl = substr($_SERVER['REQUEST_URI'],1);
            $urls = explode('/', $stringUrl);

            $kms = substr(SITE_ROOT,-4,3) == 'kms';

            //Do we need translation?
            if($country != URL_LANG)
            {
                $i = 0;
                $url = '';
                //first search for all "keys" that compare with the url part
                $keys = array();
                foreach($urls as $urlPart)
                {
                    if( ! empty($urlPart))
                    {
                        if( ($kms && $i > 1) || ( ! $kms && $i > 0 && $i != 2 )   ) // Laatste "of" is een extension keystud
                        {
                            // get the key that compares with the current url-part
                            $urlPart = $this->convert($urlPart);
                        }

                        $keys[] = $urlPart;
                        $i++;
                    }
                }
                // load the new count and get all translations
                $this->set($country);
                $convertedUrls = $this->_lang->get('url');

                $i = 0;
                foreach($keys as $key)
                {
                    if($i == 0 && $kms)
                    {
                        $urlPart = 'kms';
                    }
                    else if( ($kms && $i == 1) || ( ! $kms && $i ==0))
                    {
                        $urlPart = $country;
                    }
                    else
                    {
                        // use the key to translate the url-part to a new url-part
                        isset($convertedUrls[$key]) ? $urlPart = $convertedUrls[$key] : $urlPart = $key;
                    }

                    $url .= '/' . $urlPart;

                    $i++;
                }
                $url .= '/';
            }
            else
            {
                $url = '/'.$stringUrl;
            }

            $output .= ' <a href="'.$url.'" class="flag '.$country;
            if($country == URL_LANG)
            {
                $output .= ' active';
            }
            $output .= '">';
            if( ! $kms ) $output .= $country;
            $output .= '</a>';
        }
        return $output;
    }

    /*
     * Convert URL_SUB to a method within a controller
     */
    public function convert($key)
    {
        // Search in "Urls" array
        $urls = $this->_lang->get('url');
        foreach($urls as $converted => $url)
        {
            if(is_array($url))
            {
                if(in_array($key,$url))
                {
                    return $converted;
                }
            }
            else if($url == $key)
            {
                return $converted;
            }
        }

        // Search in "Lang" array
        $lang = $this->_lang->get();
        foreach($lang as $converted => $label)
        {
            $url = Fn::encodeUrl($label);
            if($url == $key)
            {
                return $converted;
            }
        }

        return $key;
    }


    /*
     * Convert language the other way
     */
    public function getPageKey($page)
    {
        $pages = $this->_lang->get('pages');
        foreach($pages as $converted => $value)
        {
            if(strtolower($value) == strtolower($page))
            {
                return $converted;
            }
        }
        return $page;
    }
}