<?php
/**
 * Wombat Mail Mime Processor: ITS
 *
 * $Id$
 *
 * @author gERD Schaufelberger <gerd@exit0.net>
 * @license PHP License
 * @package Wombat
 * @subpackage MailMime
 */

WBClass::load('WBMail_Mime_Processor');

/**
 * Wombat Mail Mime Processor: ITS
 *
 * Ticket system controlled by e-mail
 *
 * @version 0.1.0
 * @package Wombat
 * @subpackage MailMime
 */
class WBMail_Mime_Processor_ITS extends WBMail_Mime_Processor
{
    /**
     * Ticket
     * @var WBITS_Ticket
     */
    private $ticket;

    /**
     * @var WBVFS_File
     */
    private $vFile;

    /**
     * @var WBFile
     */
    private $file;

    /**
     * Command pattern
     *
     * @param array $params
     * @return int 0 on success
     */
    public function execute($params)
    {
        if (empty($params)) {
            $params =   array('create');
        }

        $action =   strtolower(array_shift($params));
        $this->explodeParams($params);

        $this->ticket   =   WBClass::create('WBITS_Ticket');

        switch ($action) {
            case 'create':
            default:
                $this->createTicket();
                break;
        }

        return 0;
    }

    /**
     * Create ITS ticket from e-mail
     *
     */
    private function createTicket()
    {
        $this->checkMailData();
        $save   =   array(
                        'title'                 =>  trim($this->mail->getSubject()),
                        'blurb'                 =>  htmlspecialchars(trim($this->mail->getPlainBody())),
                        'customeremailurlid'    =>  0,
                        'customername'          =>  ''
                    );
        $save['blurb']  =   '<p>' . $save['blurb'] . '</p>';
        $save['blurb']  =   nl2br($save['blurb'], true);

        // e-mail
        $from   =   $this->mail->getFrom();
        $save['customername']   =   $from->getForename() . ' ' . $from->getSurname();
        $dict   =   WBClass::create('WBDictionary_URL');
        $dict->addWord($from->getEmailAddress());
        $save['customeremailurlid'] =   $dict->getId();

        $attCnt =   0;

        // tell wheather to add attachments
        if (isset($this->params['attachment']) && 0 < intval($this->params['attachment'])) {
            $attCnt =   $this->mail->countAttachments();
        }

        $media  =   array();
        if (0 < $attCnt) {
            $this->vFile    =   WBClass::create('WBVFS_File');
            $this->file     =   WBClass::create('WBFile');

            for ($i = 0; $i < $attCnt; ++$i) {
                $att    =   $this->mail->getAttachment($i);

                $this->file->tempnam('its');
                file_put_contents($this->file->realpath(), $att->getData());

                $this->vFile->setCurrentDir($this->params['attachment'], true);
                $tmp        =   $this->vFile->import($this->file->realpath(), $att->getName());
                $media[]    =   $tmp->getId();

                if ($this->file->exists()) {
                    $this->file->unlink();
                }
            }
        }

        if (0 < count($media)) {
            $save['ticketmedia']    =   $media;
        }
        $this->ticket->save($save);
        $this->subject->inform($this->ticket->getObscureId());

    }

    /**
     * Verify sufficient e-mail
     *
     * @throws WBException_Datasource
     */
    private function checkMailData()
    {
        $sub    =   $this->mail->getSubject();
        if (empty($sub)) {
            $e  =   array(
                            'msg'   =>  'E-mail subject is empty!',
                            'code'  =>  1,
                            'class' =>  __CLASS__
                        );
            throw WBClass::create('WBException_Datasource', $e);
        }

        $plain  =   $this->mail->getPlainBody();
        if (empty($plain)) {
            $e  =   array(
                            'msg'   =>  'E-mail ('. $sub .') body is empty!',
                            'code'  =>  2,
                            'class' =>  __CLASS__
                        );
            throw WBClass::create('WBException_Datasource', $e);
        }
    }

}