<?php
/*
* 2007-2015 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/osl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
*  @author PrestaShop SA <contact@prestashop.com>
*  @copyright  2007-2015 PrestaShop SA
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

/**
 * @property CustomerThread $object
 */
class AdminCustomerThreadsControllerCore extends AdminController
{
	public function __construct()
	{
		$this->bootstrap = true;
		$this->context = Context::getContext();
		$this->table = 'customer_thread';
		$this->className = 'CustomerThread';
		$this->lang = false;

		$contact_array = array();
		$contacts = Contact::getContacts($this->context->language->id);

		foreach ($contacts as $contact)
			$contact_array[$contact['id_contact']] = $contact['name'];

		$language_array = array();
		$languages = Language::getLanguages();
		foreach ($languages as $language)
			$language_array[$language['id_lang']] = $language['name'];

		$icon_array = array(
			'open' => array('class' => 'icon-circle text-success', 'alt' => $this->l('Open')),
			'closed' => array('class' => 'icon-circle text-danger', 'alt' => $this->l('Closed')),
			'pending1' => array('class' => 'icon-circle text-warning', 'alt' => $this->l('Pending 1')),
			'pending2' => array('class' => 'icon-circle text-warning', 'alt' => $this->l('Pending 2')),
		);

		$status_array = array();
		foreach ($icon_array as $k => $v)
			$status_array[$k] = $v['alt'];

		$this->fields_list = array(
			'id_customer_thread' => array(
				'title' => $this->l('ID'),
				'align' => 'center',
				'class' => 'fixed-width-xs'
			),
			'customer' => array(
				'title' => $this->l('Customer'),
				'filter_key' => 'customer',
				'tmpTableFilter' => true,
			),
			'email' => array(
				'title' => $this->l('Email'),
				'filter_key' => 'a!email',
			),
			'contact' => array(
				'title' => $this->l('Type'),
				'type' => 'select',
				'list' => $contact_array,
				'filter_key' => 'cl!id_contact',
				'filter_type' => 'int',
			),
			'language' => array(
				'title' => $this->l('Language'),
				'type' => 'select',
				'list' => $language_array,
				'filter_key' => 'l!id_lang',
				'filter_type' => 'int',
			),
			'status' => array(
				'title' => $this->l('Status'),
				'type' => 'select',
				'list' => $status_array,
				'icon' => $icon_array,
				'align' => 'center',
				'filter_key' => 'a!status',
				'filter_type' => 'string',
			),
			'employee' => array(
				'title' => $this->l('Employee'),
				'filter_key' => 'employee',
				'tmpTableFilter' => true,
			),
			'messages' => array(
				'title' => $this->l('Messages'),
				'filter_key' => 'messages',
				'tmpTableFilter' => true,
				'maxlength' => 40,
			),
			'date_upd' => array(
				'title' => $this->l('Last message'),
				'havingFilter' => true,
				'type' => 'datetime',
			),
		);

		$this->bulk_actions = array(
			'delete' => array(
				'text' => $this->l('Delete selected'),
				'confirm' => $this->l('Delete selected items?'),
				'icon' => 'icon-trash'
			),
		);

		$this->shopLinkType = 'shop';

		$this->fields_options = array(
			'contact' => array(
				'title' =>	$this->l('Contact options'),
				'fields' =>	array(
					'PS_CUSTOMER_SERVICE_FILE_UPLOAD' => array(
							'title' => $this->l('Allow file uploading'),
							'hint' => $this->l('Allow customers to upload files using the contact page.'),
							'type' => 'bool'
						),
					'PS_CUSTOMER_SERVICE_SIGNATURE' => array(
							'title' => $this->l('Default message'),
							'hint' => $this->l('Please fill out the message fields that appear by default when you answer a thread on the customer service page.'),
							'type' => 'textareaLang',
							'lang' => true
						)
				),
				'submit' => array('title' => $this->l('Save'))
			),
			'general' => array(
				'title' =>	$this->l('Customer service options'),
				'fields' =>	array(
					'PS_SAV_IMAP_URL' => array(
						'title' => $this->l('IMAP URL'),
						'hint' => $this->l('URL for your IMAP server (ie.: mail.server.com).'),
						'type' => 'text'
					),
					'PS_SAV_IMAP_PORT' => array(
						'title' => $this->l('IMAP port'),
						'hint' => $this->l('Port to use to connect to your IMAP server.'),
						'type' => 'text',
						'defaultValue' => 143,
					),
					'PS_SAV_IMAP_USER' => array(
						'title' => $this->l('IMAP user'),
						'hint' => $this->l('User to use to connect to your IMAP server.'),
						'type' => 'text'
					),
					'PS_SAV_IMAP_PWD' => array(
						'title' => $this->l('IMAP password'),
						'hint' => $this->l('Password to use to connect your IMAP server.'),
						'type' => 'text'
					),
					'PS_SAV_IMAP_DELETE_MSG' => array(
						'title' => $this->l('Delete messages'),
						'hint' => $this->l('Delete messages after synchronization. If you do not enable this option, the synchronization will take more time.'),
						'type' => 'bool',
					),
					'PS_SAV_IMAP_CREATE_THREADS' => array(
						'title' => $this->l('Create new threads'),
						'hint' => $this->l('Create new threads for unrecognized emails.'),
						'type' => 'bool',
					),
					'PS_SAV_IMAP_OPT_NORSH' => array(
						'title' => $this->l('IMAP options').' (/norsh)',
						'type' => 'bool',
						'hint' => $this->l('Do not use RSH or SSH to establish a preauthenticated IMAP sessions.'),
					),
					'PS_SAV_IMAP_OPT_SSL' => array(
						'title' => $this->l('IMAP options').' (/ssl)',
						'type' => 'bool',
						'hint' => $this->l('Use the Secure Socket Layer (TLS/SSL) to encrypt the session.'),
					),
					'PS_SAV_IMAP_OPT_VALIDATE-CERT' => array(
						'title' => $this->l('IMAP options').' (/validate-cert)',
						'type' => 'bool',
						'hint' => $this->l('Validate certificates from the TLS/SSL server.'),
					),
					'PS_SAV_IMAP_OPT_NOVALIDATE-CERT' => array(
						'title' => $this->l('IMAP options').' (/novalidate-cert)',
						'type' => 'bool',
						'hint' => $this->l('Do not validate certificates from the TLS/SSL server. This is only needed if a server uses self-signed certificates.'),
					),
					'PS_SAV_IMAP_OPT_TLS' => array(
						'title' => $this->l('IMAP options').' (/tls)',
						'type' => 'bool',
						'hint' => $this->l('Force use of start-TLS to encrypt the session, and reject connection to servers that do not support it.'),
					),
					'PS_SAV_IMAP_OPT_NOTLS' => array(
						'title' => $this->l('IMAP options').' (/notls)',
						'type' => 'bool',
						'hint' => $this->l('Do not use start-TLS to encrypt the session, even with servers that support it.'),
					),
				),
				'submit' => array('title' => $this->l('Save')),
			),
		);

		parent::__construct();
	}

	public function renderList()
	{
		// Check the new IMAP messages before rendering the list
		$this->renderProcessSyncImap();

		$this->addRowAction('view');
		$this->addRowAction('delete');

		$this->_select = '
			CONCAT(c.`firstname`," ",c.`lastname`) as customer, cl.`name` as contact, l.`name` as language, group_concat(message) as messages,
			(
				SELECT IFNULL(CONCAT(LEFT(e.`firstname`, 1),". ",e.`lastname`), "--")
				FROM `'._DB_PREFIX_.'customer_message` cm2
				INNER JOIN '._DB_PREFIX_.'employee e
					ON e.`id_employee` = cm2.`id_employee`
				WHERE cm2.id_employee > 0
					AND cm2.`id_customer_thread` = a.`id_customer_thread`
				ORDER BY cm2.`date_add` DESC LIMIT 1
			) as employee';

		$this->_join = '
			LEFT JOIN `'._DB_PREFIX_.'customer` c
				ON c.`id_customer` = a.`id_customer`
			LEFT JOIN `'._DB_PREFIX_.'customer_message` cm
				ON cm.`id_customer_thread` = a.`id_customer_thread`
			LEFT JOIN `'._DB_PREFIX_.'lang` l
				ON l.`id_lang` = a.`id_lang`
			LEFT JOIN `'._DB_PREFIX_.'contact_lang` cl
				ON (cl.`id_contact` = a.`id_contact` AND cl.`id_lang` = '.(int)$this->context->language->id.')';

		if ($id_order = Tools::getValue('id_order'))
			$this->_where .= ' AND id_order = '.(int)$id_order;

		$this->_group = 'GROUP BY cm.id_customer_thread';
		$this->_orderBy = 'id_customer_thread';
		$this->_orderWay = 'DESC';

		$contacts = CustomerThread::getContacts();

		$categories = Contact::getCategoriesContacts();

		$params = array(
			$this->l('Total threads') => $all = CustomerThread::getTotalCustomerThreads(),
			$this->l('Threads pending') => $pending = CustomerThread::getTotalCustomerThreads('status LIKE "%pending%"'),
			$this->l('Total number of customer messages') => CustomerMessage::getTotalCustomerMessages('id_employee = 0'),
			$this->l('Total number of employee messages') => CustomerMessage::getTotalCustomerMessages('id_employee != 0'),
			$this->l('Unread threads') => $unread = CustomerThread::getTotalCustomerThreads('status = "open"'),
			$this->l('Closed threads') => $all - ($unread + $pending)
		);

		$this->tpl_list_vars = array(
			'contacts' => $contacts,
			'categories' => $categories,
			'params' => $params
		);

		return parent::renderList();
	}

	public function initToolbar()
	{
		parent::initToolbar();
		unset($this->toolbar_btn['new']);
	}

	public function postProcess()
	{
		if ($id_customer_thread = (int)Tools::getValue('id_customer_thread'))
		{
			if (($id_contact = (int)Tools::getValue('id_contact')))
				Db::getInstance()->execute('
					UPDATE '._DB_PREFIX_.'customer_thread
					SET id_contact = '.(int)$id_contact.'
					WHERE id_customer_thread = '.(int)$id_customer_thread
				);
			if ($id_status = (int)Tools::getValue('setstatus'))
			{
				$status_array = array(1 => 'open', 2 => 'closed', 3 => 'pending1', 4 => 'pending2');
				Db::getInstance()->execute('
					UPDATE '._DB_PREFIX_.'customer_thread
					SET status = "'.$status_array[$id_status].'"
					WHERE id_customer_thread = '.(int)$id_customer_thread.' LIMIT 1
				');
			}
			if (isset($_POST['id_employee_forward']))
			{
				$messages = Db::getInstance()->getRow('
					SELECT ct.*, cm.*, cl.name subject, CONCAT(e.firstname, \' \', e.lastname) employee_name,
						CONCAT(c.firstname, \' \', c.lastname) customer_name, c.firstname
					FROM '._DB_PREFIX_.'customer_thread ct
					LEFT JOIN '._DB_PREFIX_.'customer_message cm
						ON (ct.id_customer_thread = cm.id_customer_thread)
					LEFT JOIN '._DB_PREFIX_.'contact_lang cl
						ON (cl.id_contact = ct.id_contact AND cl.id_lang = '.(int)$this->context->language->id.')
					LEFT OUTER JOIN '._DB_PREFIX_.'employee e
						ON e.id_employee = cm.id_employee
					LEFT OUTER JOIN '._DB_PREFIX_.'customer c
						ON (c.email = ct.email)
					WHERE ct.id_customer_thread = '.(int)Tools::getValue('id_customer_thread').'
					ORDER BY cm.date_add DESC
				');
				$output = $this->displayMessage($messages, true, (int)Tools::getValue('id_employee_forward'));
				$cm = new CustomerMessage();
				$cm->id_employee = (int)$this->context->employee->id;
				$cm->id_customer_thread = (int)Tools::getValue('id_customer_thread');
				$cm->ip_address = (int)ip2long(Tools::getRemoteAddr());
				$current_employee = $this->context->employee;
				$id_employee = (int)Tools::getValue('id_employee_forward');
				$employee = new Employee($id_employee);
				$email = Tools::getValue('email');
				$message = Tools::getValue('message_forward');
				if (($error = $cm->validateField('message', $message, null, array(), true)) !== true)
					$this->errors[] = $error;
				elseif ($id_employee && $employee && Validate::isLoadedObject($employee))
				{
					$params = array(
						'{messages}' => stripslashes($output),
						'{employee}' => $current_employee->firstname.' '.$current_employee->lastname,
						'{comment}' => stripslashes(Tools::nl2br($_POST['message_forward'])),
						'{firstname}' => $employee->firstname,
						'{lastname}' => $employee->lastname,
					);

					if (Mail::Send(
						$this->context->language->id,
						'forward_msg',
						Mail::l('Fwd: Customer message', $this->context->language->id),
						$params,
						$employee->email,
						$employee->firstname.' '.$employee->lastname,
						$current_employee->email,
						$current_employee->firstname.' '.$current_employee->lastname,
						null, null, _PS_MAIL_DIR_, true))
					{
						$cm->private = 1;
						$cm->message = $this->l('Message forwarded to').' '.$employee->firstname.' '.$employee->lastname."\n".$this->l('Comment:').' '.$message;
						$cm->add();
					}
				}
				elseif ($email && Validate::isEmail($email))
				{
					$params = array(
						'{messages}' => Tools::nl2br(stripslashes($output)),
						'{employee}' => $current_employee->firstname.' '.$current_employee->lastname,
						'{comment}' => stripslashes($_POST['message_forward'])
					);

					if (Mail::Send(
						$this->context->language->id,
						'forward_msg',
						Mail::l('Fwd: Customer message', $this->context->language->id),
						$params, $email, null,
						$current_employee->email, $current_employee->firstname.' '.$current_employee->lastname,
						null, null, _PS_MAIL_DIR_, true))
					{
						$cm->message = $this->l('Message forwarded to').' '.$email."\n".$this->l('Comment:').' '.$message;
						$cm->add();
					}
				}
				else
					$this->errors[] = '<div class="alert error">'.Tools::displayError('The email address is invalid.').'</div>';
			}
			if (Tools::isSubmit('submitReply'))
			{
				$ct = new CustomerThread($id_customer_thread);

				ShopUrl::cacheMainDomainForShop((int)$ct->id_shop);

				$cm = new CustomerMessage();
				$cm->id_employee = (int)$this->context->employee->id;
				$cm->id_customer_thread = $ct->id;
				$cm->ip_address = (int)ip2long(Tools::getRemoteAddr());
				$cm->message = Tools::getValue('reply_message');
				if (($error = $cm->validateField('message', $cm->message, null, array(), true)) !== true)
					$this->errors[] = $error;
				elseif (isset($_FILES) && !empty($_FILES['joinFile']['name']) && $_FILES['joinFile']['error'] != 0)
					$this->errors[] = Tools::displayError('An error occurred during the file upload process.');
				elseif ($cm->add())
				{
					$file_attachment = null;
					if (!empty($_FILES['joinFile']['name']))
					{
						$file_attachment['content'] = file_get_contents($_FILES['joinFile']['tmp_name']);
						$file_attachment['name'] = $_FILES['joinFile']['name'];
						$file_attachment['mime'] = $_FILES['joinFile']['type'];
					}
					$customer = new Customer($ct->id_customer);
					$params = array(
						'{reply}' => Tools::nl2br(Tools::getValue('reply_message')),
						'{link}' => Tools::url(
							$this->context->link->getPageLink('contact', true),
							'id_customer_thread='.(int)$ct->id.'&token='.$ct->token
						),
						'{firstname}' => $customer->firstname,
						'{lastname}' => $customer->lastname
					);
					//#ct == id_customer_thread    #tc == token of thread   <== used in the synchronization imap
					$contact = new Contact((int)$ct->id_contact, (int)$ct->id_lang);

					if (Validate::isLoadedObject($contact))
					{
						$from_name = $contact->name;
						$from_email = $contact->email;
					}
					else
					{
						$from_name = null;
						$from_email = null;
					}

					if (Mail::Send(
						(int)$ct->id_lang,
						'reply_msg',
						sprintf(Mail::l('An answer to your message is available #ct%1$s #tc%2$s', $ct->id_lang), $ct->id, $ct->token),
						$params, Tools::getValue('msg_email'), null, $from_email, $from_name, $file_attachment, null,
						_PS_MAIL_DIR_, true))
					{
						$ct->status = 'closed';
						$ct->update();
					}
					Tools::redirectAdmin(
						self::$currentIndex.'&id_customer_thread='.(int)$id_customer_thread.'&viewcustomer_thread&token='.Tools::getValue('token')
					);
				}
				else
					$this->errors[] = Tools::displayError('An error occurred. Your message was not sent. Please contact your system administrator.');
			}
		}

		return parent::postProcess();
	}

	public function initContent()
	{
		if (isset($_GET['filename']) && file_exists(_PS_UPLOAD_DIR_.$_GET['filename']) && Validate::isFileName($_GET['filename']))
			AdminCustomerThreadsController::openUploadedFile();

		return parent::initContent();
	}

	protected function openUploadedFile()
	{
		$filename = $_GET['filename'];

		$extensions = array(
			'.txt' => 'text/plain',
			'.rtf' => 'application/rtf',
			'.doc' => 'application/msword',
			'.docx'=> 'application/msword',
			'.pdf' => 'application/pdf',
			'.zip' => 'multipart/x-zip',
			'.png' => 'image/png',
			'.jpeg' => 'image/jpeg',
			'.gif' => 'image/gif',
			'.jpg' => 'image/jpeg',
		);

		$extension = false;
		foreach ($extensions as $key => $val)
			if (substr(Tools::strtolower($filename), -4) == $key || substr(Tools::strtolower($filename), -5) == $key)
			{
				$extension = $val;
				break;
			}

		if (!$extension || !Validate::isFileName($filename))
			die(Tools::displayError());

		if (ob_get_level() && ob_get_length() > 0)
			ob_end_clean();
		header('Content-Type: '.$extension);
		header('Content-Disposition:attachment;filename="'.$filename.'"');
		readfile(_PS_UPLOAD_DIR_.$filename);
		die;
	}

	public function renderKpis()
	{
		$time = time();
		$kpis = array();

		/* The data generation is located in AdminStatsControllerCore */

		$helper = new HelperKpi();
		$helper->id = 'box-pending-messages';
		$helper->icon = 'icon-envelope';
		$helper->color = 'color1';
		$helper->href = $this->context->link->getAdminLink('AdminCustomerThreads');
		$helper->title = $this->l('Pending Discussion Threads', null, null, false);
		if (ConfigurationKPI::get('PENDING_MESSAGES') !== false)
			$helper->value = ConfigurationKPI::get('PENDING_MESSAGES');
		$helper->source = $this->context->link->getAdminLink('AdminStats').'&ajax=1&action=getKpi&kpi=pending_messages';
		$helper->refresh = (bool)(ConfigurationKPI::get('PENDING_MESSAGES_EXPIRE') < $time);
		$kpis[] = $helper->generate();

		$helper = new HelperKpi();
		$helper->id = 'box-age';
		$helper->icon = 'icon-time';
		$helper->color = 'color2';
		$helper->title = $this->l('Average Response Time', null, null, false);
		$helper->subtitle = $this->l('30 days', null, null, false);
		if (ConfigurationKPI::get('AVG_MSG_RESPONSE_TIME') !== false)
			$helper->value = ConfigurationKPI::get('AVG_MSG_RESPONSE_TIME');
		$helper->source = $this->context->link->getAdminLink('AdminStats').'&ajax=1&action=getKpi&kpi=avg_msg_response_time';
		$helper->refresh = (bool)(ConfigurationKPI::get('AVG_MSG_RESPONSE_TIME_EXPIRE') < $time);
		$kpis[] = $helper->generate();

		$helper = new HelperKpi();
		$helper->id = 'box-messages-per-thread';
		$helper->icon = 'icon-copy';
		$helper->color = 'color3';
		$helper->title = $this->l('Messages per Thread', null, null, false);
		$helper->subtitle = $this->l('30 day', null, null, false);
		if (ConfigurationKPI::get('MESSAGES_PER_THREAD') !== false)
			$helper->value = ConfigurationKPI::get('MESSAGES_PER_THREAD');
		$helper->source = $this->context->link->getAdminLink('AdminStats').'&ajax=1&action=getKpi&kpi=messages_per_thread';
		$helper->refresh = (bool)(ConfigurationKPI::get('MESSAGES_PER_THREAD_EXPIRE') < $time);
		$kpis[] = $helper->generate();

		$helper = new HelperKpiRow();
		$helper->kpis = $kpis;
		return $helper->generate();
	}

	public function renderView()
	{
		if (!$id_customer_thread = (int)Tools::getValue('id_customer_thread'))
			return;

		$this->context = Context::getContext();
		if (!($thread = $this->loadObject()))
			return;
		$this->context->cookie->{'customer_threadFilter_cl!id_contact'} = $thread->id_contact;

		$employees = Employee::getEmployees();

		$messages = CustomerThread::getMessageCustomerThreads($id_customer_thread);

		foreach ($messages as $key => $mess)
		{
			if ($mess['id_employee'])
			{
				$employee = new Employee($mess['id_employee']);
				$messages[$key]['employee_image'] = $employee->getImage();
			}
			if (isset($mess['file_name']) && $mess['file_name'] != '')
				$messages[$key]['file_name'] = _THEME_PROD_PIC_DIR_.$mess['file_name'];
			else
				unset($messages[$key]['file_name']);

			if ($mess['id_product'])
			{
				$product = new Product((int)$mess['id_product'], false, $this->context->language->id);
				if (Validate::isLoadedObject($product))
				{
					$messages[$key]['product_name'] = $product->name;
					$messages[$key]['product_link'] = $this->context->link->getAdminLink('AdminProducts').'&updateproduct&id_product='.(int)$product->id;
				}
			}
		}

		$next_thread = CustomerThread::getNextThread((int)$thread->id);

		$contacts = Contact::getContacts($this->context->language->id);

		$actions = array();

		if ($next_thread)
			$next_thread = array(
				'href' => self::$currentIndex.'&id_customer_thread='.(int)$next_thread.'&viewcustomer_thread&token='.$this->token,
				'name' => $this->l('Reply to the next unanswered message in this thread')
			);

		if ($thread->status != 'closed')
			$actions['closed'] = array(
				'href' => self::$currentIndex.'&viewcustomer_thread&setstatus=2&id_customer_thread='.(int)Tools::getValue('id_customer_thread').'&viewmsg&token='.$this->token,
				'label' => $this->l('Mark as "handled"'),
				'name' => 'setstatus',
				'value' => 2
			);
		else
			$actions['open'] = array(
				'href' => self::$currentIndex.'&viewcustomer_thread&setstatus=1&id_customer_thread='.(int)Tools::getValue('id_customer_thread').'&viewmsg&token='.$this->token,
				'label' => $this->l('Re-open'),
				'name' => 'setstatus',
				'value' => 1
			);

		if ($thread->status != 'pending1')
			$actions['pending1'] = array(
				'href' => self::$currentIndex.'&viewcustomer_thread&setstatus=3&id_customer_thread='.(int)Tools::getValue('id_customer_thread').'&viewmsg&token='.$this->token,
				'label' => $this->l('Mark as "pending 1" (will be answered later)'),
				'name' => 'setstatus',
				'value' => 3
			);
		else
			$actions['pending1'] = array(
				'href' => self::$currentIndex.'&viewcustomer_thread&setstatus=1&id_customer_thread='.(int)Tools::getValue('id_customer_thread').'&viewmsg&token='.$this->token,
				'label' => $this->l('Disable pending status'),
				'name' => 'setstatus',
				'value' => 1
			);

		if ($thread->status != 'pending2')
			$actions['pending2'] = array(
				'href' => self::$currentIndex.'&viewcustomer_thread&setstatus=4&id_customer_thread='.(int)Tools::getValue('id_customer_thread').'&viewmsg&token='.$this->token,
				'label' => $this->l('Mark as "pending 2" (will be answered later)'),
				'name' => 'setstatus',
				'value' => 4
			);
		else
			$actions['pending2'] = array(
				'href' => self::$currentIndex.'&viewcustomer_thread&setstatus=1&id_customer_thread='.(int)Tools::getValue('id_customer_thread').'&viewmsg&token='.$this->token,
				'label' => $this->l('Disable pending status'),
				'name' => 'setstatus',
				'value' => 1
			);

		if ($thread->id_customer)
		{
			$customer = new Customer($thread->id_customer);
			$orders = Order::getCustomerOrders($customer->id);
			if ($orders && count($orders))
			{
				$total_ok = 0;
				$orders_ok = array();
				foreach ($orders as $key => $order)
				{
					if ($order['valid'])
					{
						$orders_ok[] = $order;
						$total_ok += $order['total_paid_real'];
					}
					$orders[$key]['date_add'] = Tools::displayDate($order['date_add']);
					$orders[$key]['total_paid_real'] = Tools::displayPrice($order['total_paid_real'], new Currency((int)$order['id_currency']));
				}
			}

			$products = $customer->getBoughtProducts();
			if ($products && count($products))
				foreach ($products as $key => $product)
					$products[$key]['date_add'] = Tools::displayDate($product['date_add'], null, true);
		}
		$timeline_items = $this->getTimeline($messages, $thread->id_order);
		$first_message = $messages[0];

		if (!$messages[0]['id_employee'])
			unset($messages[0]);

		$contact = '';
		foreach ($contacts as $c)
			if ($c['id_contact'] == $thread->id_contact)
				$contact = $c['name'];

		$this->tpl_view_vars = array(
			'id_customer_thread' => $id_customer_thread,
			'thread' => $thread,
			'actions' => $actions,
			'employees' => $employees,
			'current_employee' => $this->context->employee,
			'messages' => $messages,
			'first_message' => $first_message,
			'contact' => $contact,
			'next_thread' => $next_thread,
			'orders' => isset($orders) ? $orders : false,
			'customer' => isset($customer) ? $customer : false,
			'products' => isset($products) ? $products : false,
			'total_ok' => isset($total_ok) ?  Tools::displayPrice($total_ok, $this->context->currency) : false,
			'orders_ok' => isset($orders_ok) ? $orders_ok : false,
			'count_ok' => isset($orders_ok) ? count($orders_ok) : false,
			'PS_CUSTOMER_SERVICE_SIGNATURE' => str_replace('\r\n', "\n", Configuration::get('PS_CUSTOMER_SERVICE_SIGNATURE', (int)$thread->id_lang)),
			'timeline_items' => $timeline_items,
		);

		if ($next_thread)
			$this->tpl_view_vars['next_thread'] = $next_thread;

		return parent::renderView();
	}

	public function getTimeline($messages, $id_order)
	{
		$timeline = array();
		foreach ($messages as $message)
		{
			$product = new Product((int)$message['id_product'], false, $this->context->language->id);
			$link_product = $this->context->link->getAdminLink('AdminOrders').'&vieworder&id_order='.(int)$product->id;

			$content = $this->l('Message to: ').' <span class="badge">'.(!$message['id_employee'] ? $message['subject'] : $message['customer_name']).'</span><br/>';
			if (Validate::isLoadedObject($product))
				$content .= '<br/>'.$this->l('Product: ').'<span class="label label-info">'.$product->name.'</span><br/><br/>';
			$content .= Tools::safeOutput($message['message']);

			$timeline[$message['date_add']][] = array(
				'arrow' => 'left',
				'background_color' => '',
				'icon' => 'icon-envelope',
				'content' => $content,
				'date' => $message['date_add'],
			);
		}

		$order = new Order((int)$id_order);
		if (Validate::isLoadedObject($order))
		{
			$order_history = $order->getHistory($this->context->language->id);
			foreach ($order_history as $history)
			{
				$link_order = $this->context->link->getAdminLink('AdminOrders').'&vieworder&id_order='.(int)$order->id;

				$content = '<a class="badge" target="_blank" href="'.Tools::safeOutput($link_order).'">'.$this->l('Order').' #'.(int)$order->id.'</a><br/><br/>';

				$content .= '<span>'.$this->l('Status:').' '.$history['ostate_name'].'</span>';

				$timeline[$history['date_add']][] = array(
					'arrow' => 'right',
					'alt' => true,
					'background_color' => $history['color'],
					'icon' => 'icon-credit-card',
					'content' => $content,
					'date' => $history['date_add'],
					'see_more_link' => $link_order,
				);
			}
		}
		krsort($timeline);
		return $timeline;
	}

	protected function displayMessage($message, $email = false, $id_employee = null)
	{
		$tpl = $this->createTemplate('message.tpl');

		$contacts = Contact::getContacts($this->context->language->id);
		foreach ($contacts as $contact)
			$contact_array[$contact['id_contact']] = array('id_contact' => $contact['id_contact'], 'name' => $contact['name']);
		$contacts = $contact_array;

		if (!$email)
		{
			if (!empty($message['id_product']) && empty($message['employee_name']))
				$id_order_product = Order::getIdOrderProduct((int)$message['id_customer'], (int)$message['id_product']);
		}
		$message['date_add'] = Tools::displayDate($message['date_add'], null, true);
		$message['user_agent'] = strip_tags($message['user_agent']);
		$message['message'] = preg_replace(
			'/(https?:\/\/[a-z0-9#%&_=\(\)\.\? \+\-@\/]{6,1000})([\s\n<])/Uui',
			'<a href="\1">\1</a>\2',
			html_entity_decode($message['message'],
			ENT_QUOTES, 'UTF-8')
		);

		$is_valid_order_id = true;
		$order = new Order((int)$message['id_order']);

		if (!Validate::isLoadedObject($order))
			$is_valid_order_id = false;

		$tpl->assign(array(
			'thread_url' => Tools::getAdminUrl(basename(_PS_ADMIN_DIR_).'/'.
				$this->context->link->getAdminLink('AdminCustomerThreads').'&amp;id_customer_thread='
				.(int)$message['id_customer_thread'].'&amp;viewcustomer_thread=1'),
			'link' => Context::getContext()->link,
			'current' => self::$currentIndex,
			'token' => $this->token,
			'message' => $message,
			'id_order_product' => isset($id_order_product) ? $id_order_product : null,
			'email' => $email,
			'id_employee' => $id_employee,
			'PS_SHOP_NAME' => Configuration::get('PS_SHOP_NAME'),
			'file_name' => file_exists(_PS_UPLOAD_DIR_.$message['file_name']),
			'contacts' => $contacts,
			'is_valid_order_id' => $is_valid_order_id
		));

		return $tpl->fetch();
	}

	protected function displayButton($content)
	{
		return '<div><p>'.$content.'</p></div>';
	}

	public function renderOptions()
	{
		if (Configuration::get('PS_SAV_IMAP_URL')
		&& Configuration::get('PS_SAV_IMAP_PORT')
		&& Configuration::get('PS_SAV_IMAP_USER')
		&& Configuration::get('PS_SAV_IMAP_PWD'))
			$this->tpl_option_vars['use_sync'] = true;
		else
			$this->tpl_option_vars['use_sync'] = false;

		return parent::renderOptions();
	}

	/**
	 * AdminController::getList() override
	 * @see AdminController::getList()
	 *
	 * @param int         $id_lang
	 * @param string|null $order_by
	 * @param string|null $order_way
	 * @param int         $start
	 * @param int|null    $limit
	 * @param int|bool    $id_lang_shop
	 *
	 * @throws PrestaShopException
	 */
	public function getList($id_lang, $order_by = null, $order_way = null, $start = 0, $limit = null, $id_lang_shop = false)
	{
		parent::getList($id_lang, $order_by, $order_way, $start, $limit, $id_lang_shop);

		$nb_items = count($this->_list);
		for ($i = 0; $i < $nb_items; ++$i)
		{
			if (isset($this->_list[$i]['messages']))
				$this->_list[$i]['messages'] = Tools::htmlentitiesDecodeUTF8($this->_list[$i]['messages']);
		}
	}

	public function updateOptionPsSavImapOpt($value)
	{
		if ($this->tabAccess['edit'] != '1')
			throw new PrestaShopException(Tools::displayError('You do not have permission to edit this.'));

		if (!$this->errors && $value)
			Configuration::updateValue('PS_SAV_IMAP_OPT', implode('', $value));
	}

	public function ajaxProcessMarkAsRead()
	{
		if ($this->tabAccess['edit'] != '1')
			throw new PrestaShopException(Tools::displayError('You do not have permission to edit this.'));

		$id_thread = Tools::getValue('id_thread');
		$messages = CustomerThread::getMessageCustomerThreads($id_thread);
		if (count($messages))
			Db::getInstance()->execute('UPDATE `'._DB_PREFIX_.'customer_message` set `read` = 1 WHERE `id_employee` = '.(int)$this->context->employee->id.' AND `id_customer_thread` = '.(int)$id_thread);
	}

	/**
	 * Call the IMAP synchronization during an AJAX process.
	 *
	 * @throws PrestaShopException
	 */
	public function ajaxProcessSyncImap()
	{
		if ($this->tabAccess['edit'] != '1')
			throw new PrestaShopException(Tools::displayError('You do not have permission to edit this.'));

		if (Tools::isSubmit('syncImapMail'))
			die(Tools::jsonEncode($this->syncImap()));
	}

	/**
	 * Call the IMAP synchronization during the render process.
	 */
	public function renderProcessSyncImap()
	{
		// To avoid an error if the IMAP isn't configured, we check the configuration here, like during
		// the synchronization. All parameters will exists.
		if (!(Configuration::get('PS_SAV_IMAP_URL')
			|| Configuration::get('PS_SAV_IMAP_PORT')
			|| Configuration::get('PS_SAV_IMAP_USER')
			|| Configuration::get('PS_SAV_IMAP_PWD')))
			return;

		// Executes the IMAP synchronization.
		$sync_errors = $this->syncImap();

		// Show the errors.
		if (isset($sync_errors['hasError']) && $sync_errors['hasError'])
			if (isset($sync_errors['errors']))
				foreach ($sync_errors['errors'] as &$error)
					$this->displayWarning($error);
	}

	/**
	 * Imap synchronization method.
	 *
	 * @return array Errors list.
	 */
	public function syncImap()
	{
		if (!($url = Configuration::get('PS_SAV_IMAP_URL'))
			|| !($port = Configuration::get('PS_SAV_IMAP_PORT'))
			|| !($user = Configuration::get('PS_SAV_IMAP_USER'))
			|| !($password = Configuration::get('PS_SAV_IMAP_PWD')))
			return array('hasError' => true, 'errors' => array('IMAP configuration is not correct'));

		$conf = Configuration::getMultiple(array(
			'PS_SAV_IMAP_OPT_NORSH', 'PS_SAV_IMAP_OPT_SSL',
			'PS_SAV_IMAP_OPT_VALIDATE-CERT', 'PS_SAV_IMAP_OPT_NOVALIDATE-CERT',
			'PS_SAV_IMAP_OPT_TLS', 'PS_SAV_IMAP_OPT_NOTLS'));

		$conf_str = '';
		if ($conf['PS_SAV_IMAP_OPT_NORSH'])
			$conf_str .= '/norsh';
		if ($conf['PS_SAV_IMAP_OPT_SSL'])
			$conf_str .= '/ssl';
		if ($conf['PS_SAV_IMAP_OPT_VALIDATE-CERT'])
			$conf_str .= '/validate-cert';
		if ($conf['PS_SAV_IMAP_OPT_NOVALIDATE-CERT'])
			$conf_str .= '/novalidate-cert';
		if ($conf['PS_SAV_IMAP_OPT_TLS'])
			$conf_str .= '/tls';
		if ($conf['PS_SAV_IMAP_OPT_NOTLS'])
			$conf_str .= '/notls';

		if (!function_exists('imap_open'))
			return array('hasError' => true, 'errors' => array('imap is not installed on this server'));

		$mbox = @imap_open('{'.$url.':'.$port.$conf_str.'}', $user, $password);

		//checks if there is no error when connecting imap server
		$errors = imap_errors();
		if (is_array($errors))
			$errors = array_unique($errors);
		$str_errors = '';
		$str_error_delete = '';

		if (count($errors) && is_array($errors))
		{
			$str_errors = '';
			foreach ($errors as $error)
				$str_errors .= $error.', ';
			$str_errors = rtrim(trim($str_errors), ',');
		}
		//checks if imap connexion is active
		if (!$mbox)
			return array('hasError' => true, 'errors' => array('Cannot connect to the mailbox :<br />'.($str_errors)));

		//Returns information about the current mailbox. Returns FALSE on failure.
		$check = imap_check($mbox);
		if (!$check)
			return array('hasError' => true, 'errors' => array('Fail to get information about the current mailbox'));

		if ($check->Nmsgs == 0)
			return array('hasError' => true, 'errors' => array('NO message to sync'));

		$result = imap_fetch_overview($mbox, "1:{$check->Nmsgs}", 0);
		foreach ($result as $overview)
		{
			//check if message exist in database
			if (isset($overview->subject))
				$subject = $overview->subject;
			else
				$subject = '';
			//Creating an md5 to check if message has been allready processed
			$md5 = md5($overview->date.$overview->from.$subject.$overview->msgno);
			$exist = Db::getInstance()->getValue(
				'SELECT `md5_header`
						 FROM `'._DB_PREFIX_.'customer_message_sync_imap`
						 WHERE `md5_header` = \''.pSQL($md5).'\'');
			if ($exist)
			{
				if (Configuration::get('PS_SAV_IMAP_DELETE_MSG'))
					if (!imap_delete($mbox, $overview->msgno))
						$str_error_delete = ', Fail to delete message';
			}
			else
			{
				//check if subject has id_order
				preg_match('/\#ct([0-9]*)/', $subject, $matches1);
				preg_match('/\#tc([0-9-a-z-A-Z]*)/', $subject, $matches2);
				$match_found = false;
				if (isset($matches1[1]) && isset($matches2[1]))
					$match_found = true;

				$new_ct = ( Configuration::get('PS_SAV_IMAP_CREATE_THREADS') && !$match_found && (strpos($subject, '[no_sync]') == false));

				if ($match_found || $new_ct)
				{
					if ($new_ct)
					{
						if (!preg_match('/<('.Tools::cleanNonUnicodeSupport('[a-z\p{L}0-9!#$%&\'*+\/=?^`{}|~_-]+[.a-z\p{L}0-9!#$%&\'*+\/=?^`{}|~_-]*@[a-z\p{L}0-9]+[._a-z\p{L}0-9-]*\.[a-z0-9]+').')>/', $overview->from, $result)
							|| !Validate::isEmail($from = $result[1]))
							continue;

						// we want to assign unrecognized mails to the right contact category
						$contacts = Contact::getContacts($this->context->language->id);
						if (!$contacts)
							continue;

						foreach ($contacts as $contact)
							if (strpos($overview->to, $contact['email']) !== false)
								$id_contact = $contact['id_contact'];

						if (!isset($id_contact)) // if not use the default contact category
							$id_contact = $contacts[0]['id_contact'];

						$customer = new Customer;
						$client = $customer->getByEmail($from); //check if we already have a customer with this email

						$ct = new CustomerThread();
						if (isset($client->id)) //if mail is owned by a customer assign to him
							$ct->id_customer = $client->id;
						$ct->email = $from;
						$ct->id_contact = $id_contact;
						$ct->id_lang = (int)Configuration::get('PS_LANG_DEFAULT');
						$ct->id_shop = $this->context->shop->id; //new customer threads for unrecognized mails are not shown without shop id
						$ct->status = 'open';
						$ct->token = Tools::passwdGen(12);
						$ct->add();
					}
					else
						$ct = new CustomerThread((int)$matches1[1]); //check if order exist in database

					if (Validate::isLoadedObject($ct) && ((isset($matches2[1]) && $ct->token == $matches2[1]) || $new_ct))
					{
						$message = imap_fetchbody($mbox, $overview->msgno, 1);
						$message = quoted_printable_decode($message);
						$message = utf8_encode($message);
						$message = quoted_printable_decode($message);
						$message = nl2br($message);
						$cm = new CustomerMessage();
						$cm->id_customer_thread = $ct->id;
						$cm->message = $message;
						$cm->add();
					}
				}
				Db::getInstance()->execute('INSERT INTO `'._DB_PREFIX_.'customer_message_sync_imap` (`md5_header`) VALUES (\''.pSQL($md5).'\')');
			}
		}
		imap_expunge($mbox);
		imap_close($mbox);
		return array('hasError' => false, 'errors' => array($str_errors.$str_error_delete));
	}
}
