<?php
/************************************************************************
 * This file is part of EspoCRM.
 *
 * EspoCRM - Open Source CRM application.
 * Copyright (C) 2014  Yuri Kuznetsov, Taras Machyshyn, Oleksiy Avramenko
 * Website: http://www.espocrm.com
 *
 * EspoCRM is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * EspoCRM is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with EspoCRM. If not, see http://www.gnu.org/licenses/.
 ************************************************************************/ 

namespace Espo\Services;

use \Espo\Core\Exceptions\Forbidden;
use \Espo\Core\Exceptions\NotFound;

use Espo\ORM\Entity;

class EmailNotification extends \Espo\Core\Services\Base
{	
	protected function init()
	{
		$this->dependencies[] = 'metadata';
		$this->dependencies[] = 'mailSender';
		$this->dependencies[] = 'language';
	}
	
	protected function getMailSender()
	{
		return $this->getInjection('mailSender');
	}	
	
	protected function getMetadata()
	{
		return $this->getInjection('metadata');
	}
	
	protected function getLanguage()
	{
		return $this->getInjection('language');
	}
	
	protected function replaceMessageVariables($text, $entity, $user, $assignerUser)
	{		
		$recordUrl = $this->getConfig()->get('siteUrl') . '#' . $entity->getEntityName() . '/view/' . $entity->id;
		
		$text = str_replace('{userName}', $user->get('name'), $text);
		$text = str_replace('{assignerUserName}', $assignerUser->get('name'), $text);
		$text = str_replace('{recordUrl}', $recordUrl, $text);				
		$text = str_replace('{entityType}', $this->getLanguage()->translate($entity->getEntityName(), 'scopeNames'), $text);
		
		$fields = $entity->getFields();
		foreach ($fields as $field => $d) {
			$text = str_replace('{Entity.' . $field . '}', $entity->get($field), $text);	
		}
		
		return $text;
	}
	
	public function notifyAboutAssignmentJob($data)
	{
		$userId = $data['userId'];
		$assignerUserId = $data['assignerUserId'];
		$entityId = $data['entityId'];
		$entityType = $data['entityType'];	
		
		$user = $this->getEntityManager()->getEntity('User', $userId);
		
		$prefs = $this->getEntityManager()->getEntity('Preferences', $userId);
		
		if (!$prefs) {
			return true;
		}
		
		if (!$prefs->get('receiveAssignmentEmailNotifications')) {
			return true;
		}		
		
		$assignerUser = $this->getEntityManager()->getEntity('User', $assignerUserId);		
		$entity = $this->getEntityManager()->getEntity($entityType, $entityId);		
		
		if ($user && $entity && $assignerUser && $entity->get('assignedUserId') == $userId) {
			$emailAddress = $user->get('emailAddress');
			if (!empty($emailAddress)) {
				$email = $this->getEntityManager()->getEntity('Email');				
				
				$subject = $this->getLanguage()->translate('assignmentEmailNotificationSubject', 'messages', $entity->getEntityName());
				$body = $this->getLanguage()->translate('assignmentEmailNotificationBody', 'messages', $entity->getEntityName());
				
				$subject = $this->replaceMessageVariables($subject, $entity, $user, $assignerUser);
				$body = $this->replaceMessageVariables($body, $entity, $user, $assignerUser);
		
				$email->set(array(
					'subject' => $subject,
					'body' => $body,
					'isHtml' => false,
					'to' => $emailAddress
				));
		
				$this->getMailSender()->send($email);
			}
		}
		
		return true;
	}
}