<?php

require_once 'Pman.php'; /// needed as we might not be included from pman..

class Pman_Cms_OutputTranslations extends Pman
{
    var $lang = 'en';
    
    function get($lang = '',  $opts = array())
    {
        if(!empty($lang)){
            $this->lang = $lang;
        }
        $projects = array();
        
        foreach ($this->modules() as $m){
            $projects[] = "Pman.{$m}";
        }
        
        $this->getTranslationsCache($projects);
        exit;
    }
    
    function getTranslations($projects = array())
    {
        $ret = array();
        
        $template = DB_DataObject::factory('cms_template');
        $template->whereAddIn('view_name', $projects, 'string');
        $template = $template->fetchAll('id');
        
        $base = DB_DataObject::factory('cms_templatestr');
        $base->setFrom(array(
            'lang' => '',
            'active' => 1
        ));
        $base->whereAddIn('template_id', $template, 'int');
        
        $base = $base->fetchAll('id', 'template_id');
        
        $translation = DB_DataObject::factory('cms_templatestr');
        $translation->autoJoin();
        $translation->setFrom(array(
            'template_id' => array_values($base),
            'lang' => $this->lang,
            'active' => 1
        ));
        $translation->whereAddIn('cms_templatestr.src_id', array_keys($base), 'int');
        
        $translation->selectAdd();
        $translation->selectAdd("
            cms_templatestr.txt AS txt,
            join_template_id_id.template AS template_id_template,
            join_src_id_id.mdsum AS src_id_mdsum,
            join_src_id_id.txt AS src_id_txt
        ");
        
        foreach ($translation->fetchAll() as $t){
            if(!isset($ret[$t->template_id_template])){
                $ret[$t->template_id_template] = array();
            }

            $ret[$t->template_id_template][$t->src_id_mdsum] = (empty($t->txt)) ? $t->src_id_txt : $t->txt;
        }
        
        return $ret;
    }
    
    function getTranslationsCache($projects = array())
    {
        if(empty($projects)){
            return;
        }
        
        $this->sessionState(0);
        
        $ff = HTML_FlexyFramework::get();
        
        $ui = posix_getpwuid(posix_geteuid());
        
        $this->cachePath = session_save_path() . '/' .
                $ui['name'] . '-' . $ff->project . '-templatestr/' . 
                $ff->project . '-' . $ff->version . '-' . $this->lang . '.fulloutput.json';
        
        $is_new = false;
        
        if(!$this->is_cached() ){
            $is_new =true;
            $translations = $this->getTranslations($projects);
        
            $output = "";

            foreach ($translations as $file => $trans){
                $t = json_encode($trans);

                $cls = str_replace('.bjs', '', $file);
                $output .= "try { ";
                $output .= "Roo.apply({$cls}._strings, {$t});";
                $output .= " } ";
                $output .= "catch(e){}; ";
            }

            file_put_contents($this->cachePath, $output);
        }
        
        $last_modified_time = filemtime($this->cachePath);
        
        if (
            !$is_new
            &&
            (
                
                (
                    isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) &&
                    strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) == $last_modified_time
                )
                ||
                (
                    isset($_SERVER['HTTP_IF_NONE_MATCH']) &&
                    trim($_SERVER['HTTP_IF_NONE_MATCH']) == md5($this->cachePath)
                )
            )
        ) { 
            
            header("HTTP/1.1 304 Not Modified");
            exit;
        }
        
        header('Content-Type: text/javascript');
        
        // dont do the 'cachy thing' on dev servers...
        if (!$this->is_dev()) { 
            header("Pragma: public");
            header('Content-Length: '. filesize($this->cachePath));
            
            header('Cache-Control: max-age=2592000, public');
            header('Expires: '.gmdate('D, d M Y H:i:s \G\M\T', time() + 2592000));
            header('Last-Modified: '.gmdate('D, d M Y H:i:s \G\M\T', $last_modified_time));
            header('Etag: '. md5($this->cachePath));
        }
        
        $fh = fopen($this->cachePath,'r');
        fpassthru($fh);
        fclose($fh);
    }
    
    function is_dev()
    {
        if (!empty($_SERVER['HTTP_HOST']) && preg_match('/^dev/', $_SERVER['HTTP_HOST'])) {
            return true;
        }
        return false;
    }
    
    function is_cached()
    {
        if (!empty($_GET['no_cache'])) {
            return false;
        }
        if ($this->is_dev()) {
            return false;
        }
        
        
        $dest = dirname($this->cachePath);
        
        if (!file_exists($dest)) {
            mkdir($dest, 0700, true);
        }
        
        if(!file_exists($this->cachePath)){
            return false;
        }
      
        $cms_templatestr = DB_DataObject::factory('cms_templatestr');
        $cms_templatestr->active = 1;
        $cms_templatestr->selectAdd();
        $cms_templatestr->selectAdd("MAX(updated) AS latest");
        $cms_templatestr->find(true);
        
        if(filemtime($this->cachePath) < strtotime($cms_templatestr->latest)){
            return false;
        }
        
        return true;
    }
}