<?php
/**
 * @copyright   2013 Perforce Software. All rights reserved
 * @license     Please see LICENSE.txt in top-level folder of this distribution.
 */

namespace Commons_Cleaner;

use Projects\Model\Project;
use Zend\Mvc\MvcEvent;
use Activity\Model\Activity;

class Module
{
    /**
     *  clean up the JSON left in the change description by Commons
     *
     * @param   Event   $event  the bootstrap event
     * @return  void
     */
    public function onBootstrap(MvcEvent $event)
    {
        $application = $event->getApplication();
        $services    = $application->getServiceManager();
        $manager     = $services->get('queue');
        $events      = $manager->getEventManager();

        $events->attach(
            'task.change',   // this attaches us only to task.change events
            function ($event) use ($services) {

                // a lot of events come through. we need to make sure this is actually an activity event
                $model = $event->getParam('activity');
                if (!$model instanceof Activity) {
                    return;
                }

                // get the description, and see if this has a block of JSON in it from Commons
                $desc = '';
                if( preg_match('/(.*?)(^{.*$)/sm', $model->get('description'), $pieces) == 0 ) {
                    $desc = $model->get('description');
                }
                else {
                    $desc = $pieces[1]; 
                    $raw_json = $pieces[2];

                    $action = 'commented in Commons on';
                    $target = 'some file';

                    // parse the JSON, if it is legal
                    $json = json_decode($raw_json);
                    if( json != NULL && $json->{'commentText'} != NULL )
                    {
                        $target = $json->{'fileRevisionLocation'}->{'path'};
                        $space = $json->{'fileRevisionLocation'}->{'spaceId'};
                        $type = $json->{'fileRevisionLocation'}->{'pathType'};
                        $model->set('link', 'http://commons.qa.perforce.com:1999/ui/file-details/space/'.$space.'/'.$type."/".$target[0]."?spaceName=".urlencode($json->{'fileRevisionLocation'}->{'spaceName'}).'&rev='.$json->{'fileRevisionLocation'}->{'revision'});
                    }
                    else if( json != NULL && $json->{'changeType'} != NULL && $json->{'changeType'} == 'RENAME_SPACE' ) {
                        $action = 'renamed';
                        $target = 'a space in Commons';
                        $model->set('link', 'http://commons.qa.perforce.com:1999/ui/space/');
                    }
                    else if( json != NULL && $json->{'changeType'} != NULL && $json->{'changeType'} == 'CREATE_SPACE' ) {
                        $action = 'created';
                        $target = 'a space in Commons';
                        $model->set('link', 'http://commons.qa.perforce.com:1999/ui/space/');
                    }
                    else {
                        return;
                    }

                    $model->set('action', $action);
                    $model->set('target', $target);
                }

                // 
                $model->set('description', $desc);
            },
            // set our priority, -90 puts us right before the end, but before the activity is published
            -90
        );
    }

    // loads up our config file. all modules should have this method.
    public function getConfig()
    {
        return include __DIR__ . '/config/module.config.php';
    }

    // makes sure our module is automatically loaded. otherwise the user would
    // explicitly install our module in the application
    public function getAutoloaderConfig()
    {
        return array(
            'Zend\Loader\StandardAutoloader' => array(
                'namespaces' => array(
                    __NAMESPACE__ => __DIR__ . '/src/' . __NAMESPACE__,
                ),
            ),
        );
    }
}