<?php

class UpgradeController extends Zend_Controller_Action
{
    public function indexAction()
    {
        $airtime_upgrade_version = '2.5.3';
        
        $this->view->layout()->disableLayout();
        $this->_helper->viewRenderer->setNoRender(true);
        
        //TODO: check api key
        //The API key is passed in via HTTP "basic authentication":
        //http://en.wikipedia.org/wiki/Basic_access_authentication
        
        $CC_CONFIG = Config::getConfig();
        
        //Decode the API key that was passed to us in the HTTP request.
        $authHeader = $this->getRequest()->getHeader("Authorization");

        $encodedRequestApiKey = substr($authHeader, strlen("Basic "));
        $encodedStoredApiKey = base64_encode($CC_CONFIG["apiKey"][0] . ":");

        if ($encodedRequestApiKey !== $encodedStoredApiKey)
        {
            $this->getResponse()
                ->setHttpResponseCode(401)
                ->appendBody("Bad Authorization.");
            return;
        }
        
        //check current airtime version
        $airtime_version = Application_Model_Preference::GetAirtimeVersion();
        if ($airtime_version != '2.5.2') {
            $this->getResponse()
                ->setHttpResponseCode(400)
                ->appendBody("Upgrade to Airtime 2.5.3 FAILED. You must be using Airtime 2.5.2 to upgrade.");
            return;
        }
        
        $filename = "/etc/airtime/airtime.conf";
        $values = parse_ini_file($filename, true);
        
        $username = $values['database']['dbuser'];
        $password = $values['database']['dbpass'];
        $host = $values['database']['host'];
        $database = $values['database']['dbname'];
        $dir = __DIR__;
        
        passthru("export PGPASSWORD=$password && psql -h $host -U $username -q -f $dir/upgrade_sql/airtime_$airtime_upgrade_version/upgrade.sql $database 2>&1 | grep -v \"will create implicit index\"");
        
        $musicDir = CcMusicDirsQuery::create()
            ->filterByType('stor')
            ->filterByExists(true)
            ->findOne();
        $storPath = $musicDir->getDirectory();
        
        $freeSpace = disk_free_space($storPath);
        $totalSpace = disk_total_space($storPath);
        
        Application_Model_Preference::setDiskUsage($totalSpace - $freeSpace);

        $this->getResponse()
            ->setHttpResponseCode(200)
            ->appendBody("Upgrade to Airtime 2.5.3 OK");
    }

    
}