<?php

/**
 * return an url for a given symfony application and an internal url
 *
 * @author Olivier Mansour
 * @author Tomas Naibrt <tomas@naibrt>
 *
 * @param string $appname
 * @param string $url
 * @param array $params
 * @param boolean $absolute
 * @param string $env
 * @param boolean $debug
 * @return string
 */
function cross_app_url_for($appname, $url, $params = array(), $absolute = false, $env = null, $debug = false)
{
    $initial_app = sfContext::getInstance()->getConfiguration()->getApplication();
    $initial_web_controler = basename(sfContext::getInstance()->getRequest()->getScriptName());
    $initial_config = sfConfig::getAll();
    // get the environment
    if (is_null($env))
    {
        $env = sfContext::getInstance()->getConfiguration()->getEnvironment();
    }

    // context creation
    if (!sfContext::hasInstance($appname))
    {
        $context = sfContext::createInstance(ProjectConfiguration::getApplicationConfiguration($appname, $env, $debug), $appname);
    }
    else
    {
        $context = sfContext::getInstance($appname);
    }
    
    //$web_url = $context->getController()->generateUrl($url, $params, $absolute);
    $web_url = $context->getRouting()->generate($url, $params, $absolute);

    sfContext::switchTo($initial_app);
    sfConfig::add($initial_config);

    unset($context);

    //remove initial web controler
    // genUrl use $this->context->getRequest()->getScriptName();, its a call to $_SERVER
    // so starting the shameless part !
    $script_name = $appname;
    if (($env != 'prod') and $env)
    {
        $script_name.='_' . $env;
    }
    elseif ($script_name == "frontend")
    {
        $script_name = "index";
    }
    $script_name.='.php';
    // check if this file exist
    if (!file_exists(sfConfig::get('sf_web_dir') . DIRECTORY_SEPARATOR . $script_name))
        throw new sfException('can t find ' . $script_name . ' in the web directory');
    $web_url = str_replace($initial_web_controler, $script_name, $web_url);

    return $web_url;
}