<?php
/**
 * Event_Handler_Mail
 *
 * $Id$
 *
 * @author gERD Schaufelberger <gerd@php-tools.net>
 * @license PHP License
 * @package Wombat
 * @subpackage base
 */

WBClass::load('WBEvent_Handler');

/**
 * Event_Handler_Mail
 *
 * Send an e-mail...
 *
 * @version 0.1.1
 * @package Wombat
 * @subpackage base
 */
class WBEvent_Handler_Mail extends WBEvent_Handler
{
    /**
     * Handler config
     *
     * Parameters
     * - "from" e-mail address in from header
     * - "fromindex" load e-mail address for from header form index
     * - "rcpt" e-mail address of recipient
     * - "rcptindex" e-mail address of recipient loaded from index
     * - "addrcpt" list of additional rcpts
     * - "lang" locale settings
     * - "langindex" index for locale settings
     * - "tmpl" template for mail body
     *
     * @var array
     */
    protected $config   =   array(
                                'from'      =>  '',
                                'fromindex' =>  '',
                                'rcpt'      =>  '',
                                'rcptindex' =>  'email',
                                'addrcpt'   =>  '',
                                'lang'      =>  '',
                                'langindex' =>  '',
                                'tmpl'      =>  'email'
                                );


    /**
     * send an email
     *
     * Use Mailer to prepare and send e-mail.
     *
     * @param WBEvent $e
     * @return bool true to continue, false to stop processing
     * @throws Exception in case of error
     */
    public function process(WBEvent $e)
    {
        // switch to recipient's language first
        WBClass::load('patI18n');
        $lang   =   patI18n::getLocale(patI18n::LOCALE_TYPE_COMPLETE);
        if (!empty($this->config['lang'])) {
            patI18n::setLocale($this->config['lang']);
        } else if (!empty($this->config['langindex'])) {
            patI18n::setLocale($e->get($this->config['langindex'], $lang));
        }

        // now as locale settings are settled, start mailer
        $mailer =   WBClass::create('WBMailer');
        /** @var $mailer WBMailer */

        $mailer->setTemplate($this->config['tmpl']);

        $mailer->setData($e->get());
        $event  =   array(
                            'name'      =>  $e->getName(),
                            'timestamp' =>  $e->getTimestamp(),
                            'msg'       =>  $e->getMessage(),
                            'lang'      =>  patI18n::getLocale(patI18n::LOCALE_TYPE_SHORT)
                        );
        $mailer->addData($event, 'event_');

        $rcpt   =   $this->config['rcpt'];
        if (empty($rcpt) && !empty($this->config['rcptindex'])) {
            $rcpt   =   $e->get($this->config['rcptindex']);
        }
        if (!empty($rcpt)) {
            $mailer->addRcpt($rcpt);
        }

        // additional RCPT
        if (!empty($this->config['addrcpt'])) {
            $mailer->addRcpt($this->config['addrcpt']);
        }

        $from   =   $this->config['from'];
        if (empty($from) && !empty($this->config['fromindex']) ) {
            $from   =   $e->get($this->config['fromindex']);
        }

        if (!empty($from)) {
            $mailer->setFrom($from);
        }

        $mailer->send();

        // undo changes in locale settings
        patI18n::setLocale($lang);
        return true;
    }
}
?>