<?php
/*
* 2007-2015 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Academic Free License (AFL 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/afl-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/afl-3.0.php  Academic Free License (AFL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

if (!defined('_PS_VERSION_'))
	exit;

class StatsData extends Module
{
	public function __construct()
	{
		$this->name = 'statsdata';
		$this->tab = 'analytics_stats';
		$this->version = '1.5.0';
		$this->author = 'PrestaShop';
		$this->need_instance = 0;

		$this->bootstrap = true;
		parent::__construct();

		$this->displayName = $this->l('Data mining for statistics');
		$this->description = $this->l('This module must be enabled if you want to use statistics.');
		$this->ps_versions_compliancy = array('min' => '1.6', 'max' => _PS_VERSION_);
	}

	public function install()
	{
		return (parent::install() && $this->registerHook('footer') && $this->registerHook('authentication') && $this->registerHook('createAccount'));
	}

	public function getContent()
	{
		$html = '';
		if (Tools::isSubmit('submitStatsData'))
		{
			Configuration::updateValue('PS_STATSDATA_CUSTOMER_PAGESVIEWS', (int)Tools::getValue('PS_STATSDATA_CUSTOMER_PAGESVIEWS'));
			Configuration::updateValue('PS_STATSDATA_PAGESVIEWS', (int)Tools::getValue('PS_STATSDATA_PAGESVIEWS'));
			Configuration::updateValue('PS_STATSDATA_PLUGINS', (int)Tools::getValue('PS_STATSDATA_PLUGINS'));
			$html .= $this->displayConfirmation($this->l('Configuration updated'));
		}

		$html .= $this->renderForm();

		return $html;
	}

	public function hookFooter($params)
	{
		$html = '';
		if (!isset($params['cookie']->id_guest))
		{
			Guest::setNewGuest($params['cookie']);

			if (Configuration::get('PS_STATSDATA_PLUGINS'))
			{
				$this->context->controller->addJS($this->_path.'js/plugindetect.js');
				$token = sha1($params['cookie']->id_guest._COOKIE_KEY_);
				$html .= '
				<script type="text/javascript">
					$(document).ready(function() {
						plugins = new Object;
						plugins.adobe_director = (PluginDetect.getVersion("Shockwave") != null) ? 1 : 0;
						plugins.adobe_flash = (PluginDetect.getVersion("Flash") != null) ? 1 : 0;
						plugins.apple_quicktime = (PluginDetect.getVersion("QuickTime") != null) ? 1 : 0;
						plugins.windows_media = (PluginDetect.getVersion("WindowsMediaPlayer") != null) ? 1 : 0;
						plugins.sun_java = (PluginDetect.getVersion("java") != null) ? 1 : 0;
						plugins.real_player = (PluginDetect.getVersion("RealPlayer") != null) ? 1 : 0;

						navinfo = { screen_resolution_x: screen.width, screen_resolution_y: screen.height, screen_color:screen.colorDepth};
						for (var i in plugins)
							navinfo[i] = plugins[i];
						navinfo.type = "navinfo";
						navinfo.id_guest = "'.(int)$params['cookie']->id_guest.'";
						navinfo.token = "'.$token.'";
						$.post("'.Context::getContext()->link->getPageLink('statistics', (bool)(Tools::getShopProtocol() == 'https://')).'", navinfo);
					});
				</script>';
			}
		}

		// Record the guest path then increment the visit counter of the page
		$token_array = Connection::setPageConnection($params['cookie']);
		ConnectionsSource::logHttpReferer();
		if (Configuration::get('PS_STATSDATA_PAGESVIEWS'))
			Page::setPageViewed($token_array['id_page']);

		if (Configuration::get('PS_STATSDATA_CUSTOMER_PAGESVIEWS'))
		{
			// Ajax request sending the time spend on the page
			$token = sha1($token_array['id_connections'].$token_array['id_page'].$token_array['time_start']._COOKIE_KEY_);
			$html .= '
			<script type="text/javascript">
				var time_start;
				$(window).load(
					function() {
						time_start = new Date();
					}
				);
				$(window).unload(
					function() {
						var time_end = new Date();
						var pagetime = new Object;
						pagetime.type = "pagetime";
						pagetime.id_connections = "'.(int)$token_array['id_connections'].'";
						pagetime.id_page = "'.(int)$token_array['id_page'].'";
						pagetime.time_start = "'.$token_array['time_start'].'";
						pagetime.token = "'.$token.'";
						pagetime.time = time_end-time_start;
						$.post("'.Context::getContext()->link->getPageLink('statistics', (bool)(Tools::getShopProtocol() == 'https://')).'", pagetime);
					}
				);
			</script>';
		}

		return $html;
	}

	public function hookCreateAccount($params)
	{
		return $this->hookAuthentication($params);
	}

	public function hookAuthentication($params)
	{
		// Update or merge the guest with the customer id (login and account creation)
		$guest = new Guest($params['cookie']->id_guest);
		$result = Db::getInstance()->getRow('
		SELECT `id_guest`
		FROM `'._DB_PREFIX_.'guest`
		WHERE `id_customer` = '.(int)$params['cookie']->id_customer);

		if ((int)$result['id_guest'])
		{
			// The new guest is merged with the old one when it's connecting to an account
			$guest->mergeWithCustomer($result['id_guest'], $params['cookie']->id_customer);
			$params['cookie']->id_guest = $guest->id;
		}
		else
		{
			// The guest is duplicated if it has multiple customer accounts
			$method = ($guest->id_customer) ? 'add' : 'update';
			$guest->id_customer = $params['cookie']->id_customer;
			$guest->{$method}();
		}
	}

	public function renderForm()
	{
		$fields_form = array(
			'form' => array(
				'legend' => array(
					'title' => $this->l('Settings'),
					'icon' => 'icon-cogs'
				),
				'input' => array(
					array(
						'type' => 'switch',
						'label' => $this->l('Save page views for each customer'),
						'name' => 'PS_STATSDATA_CUSTOMER_PAGESVIEWS',
						'desc' => $this->l('Storing customer page views uses a lot of CPU resources and database space. Only enable if your server can handle it.'),
						'values' => array(
							array(
								'id' => 'active_on',
								'value' => 1,
								'label' => $this->l('Enabled')
							),
							array(
								'id' => 'active_off',
								'value' => 0,
								'label' => $this->l('Disabled')
							)
						),
					),
					array(
						'type' => 'switch',
						'label' => $this->l('Save global page views'),
						'name' => 'PS_STATSDATA_PAGESVIEWS',
						'desc' => $this->l('Global page views uses fewer resources than customer\'s, but it uses resources nonetheless.'),
						'values' => array(
							array(
								'id' => 'active_on',
								'value' => 1,
								'label' => $this->l('Enabled')
							),
							array(
								'id' => 'active_off',
								'value' => 0,
								'label' => $this->l('Disabled')
							)
						),
					),
					array(
						'type' => 'switch',
						'label' => $this->l('Plugins detection'),
						'name' => 'PS_STATSDATA_PLUGINS',
						'desc' => $this->l('Plugins detection loads an extra 20 kb JavaScript file once for new visitors.'),
						'values' => array(
							array(
								'id' => 'active_on',
								'value' => 1,
								'label' => $this->l('Enabled')
							),
							array(
								'id' => 'active_off',
								'value' => 0,
								'label' => $this->l('Disabled')
							)
						),
					)
				),
				'submit' => array(
					'title' => $this->l('Save'),
				)
			),
		);

		$helper = new HelperForm();
		$helper->show_toolbar = false;
		$helper->table = $this->table;
		$lang = new Language((int)Configuration::get('PS_LANG_DEFAULT'));
		$helper->default_form_language = $lang->id;
		$helper->allow_employee_form_lang = Configuration::get('PS_BO_ALLOW_EMPLOYEE_FORM_LANG') ? Configuration::get('PS_BO_ALLOW_EMPLOYEE_FORM_LANG') : 0;
		$this->fields_form = array();

		$helper->identifier = $this->identifier;
		$helper->submit_action = 'submitStatsData';
		$helper->currentIndex = $this->context->link->getAdminLink('AdminModules', false).'&configure='.$this->name.'&tab_module='.$this->tab.'&module_name='.$this->name;
		$helper->token = Tools::getAdminTokenLite('AdminModules');
		$helper->tpl_vars = array(
			'fields_value' => $this->getConfigFieldsValues(),
			'languages' => $this->context->controller->getLanguages(),
			'id_language' => $this->context->language->id
		);

		return $helper->generateForm(array($fields_form));
	}

	public function getConfigFieldsValues()
	{
		return array(
			'PS_STATSDATA_CUSTOMER_PAGESVIEWS' => Tools::getValue('PS_STATSDATA_CUSTOMER_PAGESVIEWS', Configuration::get('PS_STATSDATA_CUSTOMER_PAGESVIEWS')),
			'PS_STATSDATA_PAGESVIEWS' => Tools::getValue('PS_STATSDATA_PAGESVIEWS', Configuration::get('PS_STATSDATA_PAGESVIEWS')),
			'PS_STATSDATA_PLUGINS' => Tools::getValue('PS_STATSDATA_PLUGINS', Configuration::get('PS_STATSDATA_PLUGINS')),
		);
	}
}