<?php
/*
* 2007-2016 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  2007-2016 PrestaShop SA
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

class CustomerCore extends ObjectModel
{
    public $id;

    public $id_shop;

    public $id_shop_group;

    /** @var string Secure key */
    public $secure_key;

    /** @var string protected note */
    public $note;

    /** @var int Gender ID */
    public $id_gender = 0;

    /** @var int Default group ID */
    public $id_default_group;

    /** @var int Current language used by the customer */
    public $id_lang;

    /** @var string Lastname */
    public $lastname;

    /** @var string Firstname */
    public $firstname;

    /** @var string Birthday (yyyy-mm-dd) */
    public $birthday = null;

    /** @var string e-mail */
    public $email;

    /** @var bool Newsletter subscription */
    public $newsletter;

    /** @var string Newsletter ip registration */
    public $ip_registration_newsletter;

    /** @var string Newsletter ip registration */
    public $newsletter_date_add;

    /** @var bool Opt-in subscription */
    public $optin;

    /** @var string WebSite **/
    public $website;

    /** @var string Company */
    public $company;

    /** @var string SIRET */
    public $siret;

    /** @var string APE */
    public $ape;

    /** @var float Outstanding allow amount (B2B opt)  */
    public $outstanding_allow_amount = 0;

    /** @var int Show public prices (B2B opt) */
    public $show_public_prices = 0;

    /** @var int Risk ID (B2B opt) */
    public $id_risk;

    /** @var int Max payment day */
    public $max_payment_days = 0;

    /** @var int Password */
    public $passwd;

    /** @var string Datetime Password */
    public $last_passwd_gen;

    /** @var bool Status */
    public $active = true;

    /** @var bool Status */
    public $is_guest = 0;

    /** @var bool True if carrier has been deleted (staying in database as deleted) */
    public $deleted = 0;

    /** @var string Object creation date */
    public $date_add;

    /** @var string Object last modification date */
    public $date_upd;

    public $years;
    public $days;
    public $months;

    /** @var int customer id_country as determined by geolocation */
    public $geoloc_id_country;
    /** @var int customer id_state as determined by geolocation */
    public $geoloc_id_state;
    /** @var string customer postcode as determined by geolocation */
    public $geoloc_postcode;

    /** @var bool is the customer logged in */
    public $logged = 0;

    /** @var int id_guest meaning the guest table, not the guest customer  */
    public $id_guest;

    public $groupBox;

    protected $webserviceParameters = array(
        'fields' => array(
            'id_default_group' => array('xlink_resource' => 'groups'),
            'id_lang' => array('xlink_resource' => 'languages'),
            'newsletter_date_add' => array(),
            'ip_registration_newsletter' => array(),
            'last_passwd_gen' => array('setter' => null),
            'secure_key' => array('setter' => null),
            'deleted' => array(),
            'passwd' => array('setter' => 'setWsPasswd'),
        ),
        'associations' => array(
            'groups' => array('resource' => 'group'),
        )
    );

    /**
     * @see ObjectModel::$definition
     */
    public static $definition = array(
        'table' => 'customer',
        'primary' => 'id_customer',
        'fields' => array(
            'secure_key' =>                array('type' => self::TYPE_STRING, 'validate' => 'isMd5', 'copy_post' => false),
            'lastname' =>                    array('type' => self::TYPE_STRING, 'validate' => 'isName', 'required' => true, 'size' => 32),
            'firstname' =>                    array('type' => self::TYPE_STRING, 'validate' => 'isName', 'required' => true, 'size' => 32),
            'email' =>                        array('type' => self::TYPE_STRING, 'validate' => 'isEmail', 'required' => true, 'size' => 128),
            'passwd' =>                    array('type' => self::TYPE_STRING, 'validate' => 'isPasswd', 'required' => true, 'size' => 32),
            'last_passwd_gen' =>            array('type' => self::TYPE_STRING, 'copy_post' => false),
            'id_gender' =>                    array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId'),
            'birthday' =>                    array('type' => self::TYPE_DATE, 'validate' => 'isBirthDate'),
            'newsletter' =>                array('type' => self::TYPE_BOOL, 'validate' => 'isBool'),
            'newsletter_date_add' =>        array('type' => self::TYPE_DATE,'copy_post' => false),
            'ip_registration_newsletter' =>    array('type' => self::TYPE_STRING, 'copy_post' => false),
            'optin' =>                        array('type' => self::TYPE_BOOL, 'validate' => 'isBool'),
            'website' =>                    array('type' => self::TYPE_STRING, 'validate' => 'isUrl'),
            'company' =>                    array('type' => self::TYPE_STRING, 'validate' => 'isGenericName'),
            'siret' =>                        array('type' => self::TYPE_STRING, 'validate' => 'isSiret'),
            'ape' =>                        array('type' => self::TYPE_STRING, 'validate' => 'isApe'),
            'outstanding_allow_amount' =>    array('type' => self::TYPE_FLOAT, 'validate' => 'isFloat', 'copy_post' => false),
            'show_public_prices' =>            array('type' => self::TYPE_BOOL, 'validate' => 'isBool', 'copy_post' => false),
            'id_risk' =>                    array('type' => self::TYPE_INT, 'validate' => 'isUnsignedInt', 'copy_post' => false),
            'max_payment_days' =>            array('type' => self::TYPE_INT, 'validate' => 'isUnsignedInt', 'copy_post' => false),
            'active' =>                    array('type' => self::TYPE_BOOL, 'validate' => 'isBool', 'copy_post' => false),
            'deleted' =>                    array('type' => self::TYPE_BOOL, 'validate' => 'isBool', 'copy_post' => false),
            'note' =>                        array('type' => self::TYPE_HTML, 'validate' => 'isCleanHtml', 'size' => 65000, 'copy_post' => false),
            'is_guest' =>                    array('type' => self::TYPE_BOOL, 'validate' => 'isBool', 'copy_post' => false),
            'id_shop' =>                    array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId', 'copy_post' => false),
            'id_shop_group' =>                array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId', 'copy_post' => false),
            'id_default_group' =>            array('type' => self::TYPE_INT, 'copy_post' => false),
            'id_lang' =>                    array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId', 'copy_post' => false),
            'date_add' =>                    array('type' => self::TYPE_DATE, 'validate' => 'isDate', 'copy_post' => false),
            'date_upd' =>                    array('type' => self::TYPE_DATE, 'validate' => 'isDate', 'copy_post' => false),
        ),
    );

    protected static $_defaultGroupId = array();
    protected static $_customerHasAddress = array();
    protected static $_customer_groups = array();

    public function __construct($id = null)
    {
        $this->id_default_group = (int)Configuration::get('PS_CUSTOMER_GROUP');
        parent::__construct($id);
    }

    public function add($autodate = true, $null_values = true)
    {
        $this->id_shop = ($this->id_shop) ? $this->id_shop : Context::getContext()->shop->id;
        $this->id_shop_group = ($this->id_shop_group) ? $this->id_shop_group : Context::getContext()->shop->id_shop_group;
        $this->id_lang = ($this->id_lang) ? $this->id_lang : Context::getContext()->language->id;
        $this->birthday = (empty($this->years) ? $this->birthday : (int)$this->years.'-'.(int)$this->months.'-'.(int)$this->days);
        $this->secure_key = md5(uniqid(rand(), true));
        $this->last_passwd_gen = date('Y-m-d H:i:s', strtotime('-'.Configuration::get('PS_PASSWD_TIME_FRONT').'minutes'));

        if ($this->newsletter && !Validate::isDate($this->newsletter_date_add)) {
            $this->newsletter_date_add = date('Y-m-d H:i:s');
        }

        if ($this->id_default_group == Configuration::get('PS_CUSTOMER_GROUP')) {
            if ($this->is_guest) {
                $this->id_default_group = (int)Configuration::get('PS_GUEST_GROUP');
            } else {
                $this->id_default_group = (int)Configuration::get('PS_CUSTOMER_GROUP');
            }
        }

        /* Can't create a guest customer, if this feature is disabled */
        if ($this->is_guest && !Configuration::get('PS_GUEST_CHECKOUT_ENABLED')) {
            return false;
        }
        $success = parent::add($autodate, $null_values);
        $this->updateGroup($this->groupBox);
        return $success;
    }

    public function update($nullValues = false)
    {
        $this->birthday = (empty($this->years) ? $this->birthday : (int)$this->years.'-'.(int)$this->months.'-'.(int)$this->days);

        if ($this->newsletter && !Validate::isDate($this->newsletter_date_add)) {
            $this->newsletter_date_add = date('Y-m-d H:i:s');
        }
        if (isset(Context::getContext()->controller) && Context::getContext()->controller->controller_type == 'admin') {
            $this->updateGroup($this->groupBox);
        }

        if ($this->deleted) {
            $addresses = $this->getAddresses((int)Configuration::get('PS_LANG_DEFAULT'));
            foreach ($addresses as $address) {
                $obj = new Address((int)$address['id_address']);
                $obj->delete();
            }
        }

        return parent::update(true);
    }

    public function delete()
    {
        if (!count(Order::getCustomerOrders((int)$this->id))) {
            $addresses = $this->getAddresses((int)Configuration::get('PS_LANG_DEFAULT'));
            foreach ($addresses as $address) {
                $obj = new Address((int)$address['id_address']);
                $obj->delete();
            }
        }
        Db::getInstance()->execute('DELETE FROM `'._DB_PREFIX_.'customer_group` WHERE `id_customer` = '.(int)$this->id);
        Db::getInstance()->execute('DELETE FROM '._DB_PREFIX_.'message WHERE id_customer='.(int)$this->id);
        Db::getInstance()->execute('DELETE FROM '._DB_PREFIX_.'specific_price WHERE id_customer='.(int)$this->id);
        Db::getInstance()->execute('DELETE FROM '._DB_PREFIX_.'compare WHERE id_customer='.(int)$this->id);

        $carts = Db::getInstance()->executes('SELECT id_cart
															FROM '._DB_PREFIX_.'cart
															WHERE id_customer='.(int)$this->id);
        if ($carts) {
            foreach ($carts as $cart) {
                Db::getInstance()->execute('DELETE FROM '._DB_PREFIX_.'cart WHERE id_cart='.(int)$cart['id_cart']);
                Db::getInstance()->execute('DELETE FROM '._DB_PREFIX_.'cart_product WHERE id_cart='.(int)$cart['id_cart']);
            }
        }

        $cts = Db::getInstance()->executes('SELECT id_customer_thread
															FROM '._DB_PREFIX_.'customer_thread
															WHERE id_customer='.(int)$this->id);
        if ($cts) {
            foreach ($cts as $ct) {
                Db::getInstance()->execute('DELETE FROM '._DB_PREFIX_.'customer_thread WHERE id_customer_thread='.(int)$ct['id_customer_thread']);
                Db::getInstance()->execute('DELETE FROM '._DB_PREFIX_.'customer_message WHERE id_customer_thread='.(int)$ct['id_customer_thread']);
            }
        }

        CartRule::deleteByIdCustomer((int)$this->id);
        return parent::delete();
    }

    /**
     * Return customers list
     *
     * @param null|bool $only_active Returns only active customers when true
     * @return array Customers
     */
    public static function getCustomers($only_active = null)
    {
        $sql = 'SELECT `id_customer`, `email`, `firstname`, `lastname`
				FROM `'._DB_PREFIX_.'customer`
				WHERE 1 '.Shop::addSqlRestriction(Shop::SHARE_CUSTOMER).
				($only_active ? ' AND `active` = 1' : '').'
				ORDER BY `id_customer` ASC';
        return Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS($sql);
    }

    /**
     * Return customer instance from its e-mail (optionnaly check password)
     *
     * @param string $email e-mail
     * @param string $passwd Password is also checked if specified
     * @return Customer instance
     */
    public function getByEmail($email, $passwd = null, $ignore_guest = true)
    {
        if (!Validate::isEmail($email) || ($passwd && !Validate::isPasswd($passwd))) {
            die(Tools::displayError());
        }

        $result = Db::getInstance()->getRow('
		SELECT *
		FROM `'._DB_PREFIX_.'customer`
		WHERE `email` = \''.pSQL($email).'\'
		'.Shop::addSqlRestriction(Shop::SHARE_CUSTOMER).'
		'.(isset($passwd) ? 'AND `passwd` = \''.pSQL(Tools::encrypt($passwd)).'\'' : '').'
		AND `deleted` = 0
		'.($ignore_guest ? ' AND `is_guest` = 0' : ''));

        if (!$result) {
            return false;
        }
        $this->id = $result['id_customer'];
        foreach ($result as $key => $value) {
            if (property_exists($this, $key)) {
                $this->{$key} = $value;
            }
        }
        return $this;
    }

    /**
     * Retrieve customers by email address
     *
     * @param $email
     * @return array
     */
    public static function getCustomersByEmail($email)
    {
        $sql = 'SELECT *
				FROM `'._DB_PREFIX_.'customer`
				WHERE `email` = \''.pSQL($email).'\'
					'.Shop::addSqlRestriction(Shop::SHARE_CUSTOMER);

        return Db::getInstance()->ExecuteS($sql);
    }


    /**
     * Check id the customer is active or not
     *
     * @return bool customer validity
     */
    public static function isBanned($id_customer)
    {
        if (!Validate::isUnsignedId($id_customer)) {
            return true;
        }
        $cache_id = 'Customer::isBanned_'.(int)$id_customer;
        if (!Cache::isStored($cache_id)) {
            $result = (bool)!Db::getInstance(_PS_USE_SQL_SLAVE_)->getRow('
			SELECT `id_customer`
			FROM `'._DB_PREFIX_.'customer`
			WHERE `id_customer` = \''.(int)$id_customer.'\'
			AND active = 1
			AND `deleted` = 0');
            Cache::store($cache_id, $result);
            return $result;
        }
        return Cache::retrieve($cache_id);
    }

    /**
     * Check if e-mail is already registered in database
     *
     * @param string $email e-mail
     * @param $return_id boolean
     * @param $ignore_guest boolean, to exclude guest customer
     * @return Customer ID if found, false otherwise
     */
    public static function customerExists($email, $return_id = false, $ignore_guest = true)
    {
        if (!Validate::isEmail($email)) {
            if (defined('_PS_MODE_DEV_') && _PS_MODE_DEV_) {
                die(Tools::displayError('Invalid email'));
            }
            return false;
        }

        $result = Db::getInstance()->getValue('
		SELECT `id_customer`
		FROM `'._DB_PREFIX_.'customer`
		WHERE `email` = \''.pSQL($email).'\'
		'.Shop::addSqlRestriction(Shop::SHARE_CUSTOMER).'
		'.($ignore_guest ? ' AND `is_guest` = 0' : ''));
        return ($return_id ? (int)$result : (bool)$result);
    }

    /**
     * Check if an address is owned by a customer
     *
     * @param int $id_customer Customer ID
     * @param int $id_address Address ID
     * @return bool result
     */
    public static function customerHasAddress($id_customer, $id_address)
    {
        $key = (int)$id_customer.'-'.(int)$id_address;
        if (!array_key_exists($key, self::$_customerHasAddress)) {
            self::$_customerHasAddress[$key] = (bool)Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
			SELECT `id_address`
			FROM `'._DB_PREFIX_.'address`
			WHERE `id_customer` = '.(int)$id_customer.'
			AND `id_address` = '.(int)$id_address.'
			AND `deleted` = 0');
        }
        return self::$_customerHasAddress[$key];
    }

    public static function resetAddressCache($id_customer, $id_address)
    {
        $key = (int)$id_customer.'-'.(int)$id_address;
        if (array_key_exists($key, self::$_customerHasAddress)) {
            unset(self::$_customerHasAddress[$key]);
        }
    }

    /**
     * Return customer addresses
     *
     * @param int $id_lang Language ID
     * @return array Addresses
     */
    public function getAddresses($id_lang)
    {
        $share_order = (bool)Context::getContext()->shop->getGroup()->share_order;
        $cache_id = 'Customer::getAddresses'.(int)$this->id.'-'.(int)$id_lang.'-'.$share_order;
        if (!Cache::isStored($cache_id)) {
            $sql = 'SELECT DISTINCT a.*, cl.`name` AS country, s.name AS state, s.iso_code AS state_iso
					FROM `'._DB_PREFIX_.'address` a
					LEFT JOIN `'._DB_PREFIX_.'country` c ON (a.`id_country` = c.`id_country`)
					LEFT JOIN `'._DB_PREFIX_.'country_lang` cl ON (c.`id_country` = cl.`id_country`)
					LEFT JOIN `'._DB_PREFIX_.'state` s ON (s.`id_state` = a.`id_state`)
					'.($share_order ? '' : Shop::addSqlAssociation('country', 'c')).'
					WHERE `id_lang` = '.(int)$id_lang.' AND `id_customer` = '.(int)$this->id.' AND a.`deleted` = 0';

            $result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS($sql);
            Cache::store($cache_id, $result);
            return $result;
        }
        return Cache::retrieve($cache_id);
    }

    /**
     * Count the number of addresses for a customer
     *
     * @param int $id_customer Customer ID
     * @return int Number of addresses
     */
    public static function getAddressesTotalById($id_customer)
    {
        return Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
			SELECT COUNT(`id_address`)
			FROM `'._DB_PREFIX_.'address`
			WHERE `id_customer` = '.(int)$id_customer.'
			AND `deleted` = 0'
        );
    }

    /**
     * Check if customer password is the right one
     *
     * @param string $passwd Password
     * @return bool result
     */
    public static function checkPassword($id_customer, $passwd)
    {
        if (!Validate::isUnsignedId($id_customer) || !Validate::isMd5($passwd)) {
            die(Tools::displayError());
        }
        $cache_id = 'Customer::checkPassword'.(int)$id_customer.'-'.$passwd;
        if (!Cache::isStored($cache_id)) {
            $result = (bool)Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
			SELECT `id_customer`
			FROM `'._DB_PREFIX_.'customer`
			WHERE `id_customer` = '.(int)$id_customer.'
			AND `passwd` = \''.pSQL($passwd).'\'');
            Cache::store($cache_id, $result);
            return $result;
        }
        return Cache::retrieve($cache_id);
    }

    /**
     * Light back office search for customers
     *
     * @param string $query Searched string
     * @param null|int $limit Limit query results
     * @return array|false|mysqli_result|null|PDOStatement|resource Corresponding customers
     * @throws PrestaShopDatabaseException
     */
    public static function searchByName($query, $limit = null)
    {
        $sql_base = 'SELECT *
				FROM `'._DB_PREFIX_.'customer`';
        $sql = '('.$sql_base.' WHERE `email` LIKE \'%'.pSQL($query).'%\' '.Shop::addSqlRestriction(Shop::SHARE_CUSTOMER).')';
        $sql .= ' UNION ('.$sql_base.' WHERE `id_customer` = '.(int)$query.' '.Shop::addSqlRestriction(Shop::SHARE_CUSTOMER).')';
        $sql .= ' UNION ('.$sql_base.' WHERE `lastname` LIKE \'%'.pSQL($query).'%\' '.Shop::addSqlRestriction(Shop::SHARE_CUSTOMER).')';
        $sql .= ' UNION ('.$sql_base.' WHERE `firstname` LIKE \'%'.pSQL($query).'%\' '.Shop::addSqlRestriction(Shop::SHARE_CUSTOMER).')';

        if ($limit) {
            $sql .= ' LIMIT 0, '.(int)$limit;
        }

        return Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS($sql);
    }


    /**
     * Search for customers by ip address
     *
     * @param string $ip Searched string
     */
    public static function searchByIp($ip)
    {
        return Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS('
		SELECT DISTINCT c.*
		FROM `'._DB_PREFIX_.'customer` c
		LEFT JOIN `'._DB_PREFIX_.'guest` g ON g.id_customer = c.id_customer
		LEFT JOIN `'._DB_PREFIX_.'connections` co ON g.id_guest = co.id_guest
		WHERE co.`ip_address` = \''.(int)ip2long(trim($ip)).'\'');
    }

    /**
     * Return several useful statistics about customer
     *
     * @return array Stats
     */
    public function getStats()
    {
        $result = Db::getInstance()->getRow('
		SELECT COUNT(`id_order`) AS nb_orders, SUM(`total_paid` / o.`conversion_rate`) AS total_orders
		FROM `'._DB_PREFIX_.'orders` o
		WHERE o.`id_customer` = '.(int)$this->id.'
		AND o.valid = 1');

        $result2 = Db::getInstance(_PS_USE_SQL_SLAVE_)->getRow('
		SELECT MAX(c.`date_add`) AS last_visit
		FROM `'._DB_PREFIX_.'guest` g
		LEFT JOIN `'._DB_PREFIX_.'connections` c ON c.id_guest = g.id_guest
		WHERE g.`id_customer` = '.(int)$this->id);

        $result3 = Db::getInstance(_PS_USE_SQL_SLAVE_)->getRow('
		SELECT (YEAR(CURRENT_DATE)-YEAR(c.`birthday`)) - (RIGHT(CURRENT_DATE, 5)<RIGHT(c.`birthday`, 5)) AS age
		FROM `'._DB_PREFIX_.'customer` c
		WHERE c.`id_customer` = '.(int)$this->id);

        $result['last_visit'] = $result2['last_visit'];
        $result['age'] = ($result3['age'] != date('Y') ? $result3['age'] : '--');
        return $result;
    }

    public function getLastEmails()
    {
        if (!$this->id) {
            return array();
        }
        return Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS('
		SELECT m.*, l.name as language
		FROM `'._DB_PREFIX_.'mail` m
		LEFT JOIN `'._DB_PREFIX_.'lang` l ON m.id_lang = l.id_lang
		WHERE `recipient` = "'.pSQL($this->email).'"
		ORDER BY m.date_add DESC
		LIMIT 10');
    }

    public function getLastConnections()
    {
        if (!$this->id) {
            return array();
        }
        return Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS('
		SELECT c.id_connections, c.date_add, COUNT(cp.id_page) AS pages, TIMEDIFF(MAX(cp.time_end), c.date_add) as time, http_referer,INET_NTOA(ip_address) as ipaddress
		FROM `'._DB_PREFIX_.'guest` g
		LEFT JOIN `'._DB_PREFIX_.'connections` c ON c.id_guest = g.id_guest
		LEFT JOIN `'._DB_PREFIX_.'connections_page` cp ON c.id_connections = cp.id_connections
		WHERE g.`id_customer` = '.(int)$this->id.'
		GROUP BY c.`id_connections`
		ORDER BY c.date_add DESC
		LIMIT 10');
    }

    /*
    * Specify if a customer already in base
    *
    * @param $id_customer Customer id
    * @return bool
    */
    /* DEPRECATED */
    public function customerIdExists($id_customer)
    {
        return Customer::customerIdExistsStatic((int)$id_customer);
    }

    public static function customerIdExistsStatic($id_customer)
    {
        $cache_id = 'Customer::customerIdExistsStatic'.(int)$id_customer;
        if (!Cache::isStored($cache_id)) {
            $result = (int)Db::getInstance()->getValue('
			SELECT `id_customer`
			FROM '._DB_PREFIX_.'customer c
			WHERE c.`id_customer` = '.(int)$id_customer);
            Cache::store($cache_id, $result);
            return $result;
        }
        return Cache::retrieve($cache_id);
    }

    /**
     * Update customer groups associated to the object
     *
     * @param array $list groups
     */
    public function updateGroup($list)
    {
        if ($list && !empty($list)) {
            $this->cleanGroups();
            $this->addGroups($list);
        } else {
            $this->addGroups(array($this->id_default_group));
        }
    }

    public function cleanGroups()
    {
    	return Db::getInstance()->delete('customer_group', 'id_customer = '.(int)$this->id);
    }

    public function addGroups($groups)
    {
        foreach ($groups as $group) {
            $row = array('id_customer' => (int)$this->id, 'id_group' => (int)$group);
            Db::getInstance()->insert('customer_group', $row, false, true, Db::INSERT_IGNORE);
        }
    }

    public static function getGroupsStatic($id_customer)
    {
        if (!Group::isFeatureActive()) {
            return array(Configuration::get('PS_CUSTOMER_GROUP'));
        }

        if ($id_customer == 0) {
            self::$_customer_groups[$id_customer] = array((int)Configuration::get('PS_UNIDENTIFIED_GROUP'));
        }

        if (!isset(self::$_customer_groups[$id_customer])) {
            self::$_customer_groups[$id_customer] = array();
            $result = Db::getInstance()->executeS('
			SELECT cg.`id_group`
			FROM '._DB_PREFIX_.'customer_group cg
			WHERE cg.`id_customer` = '.(int)$id_customer);
            foreach ($result as $group) {
                self::$_customer_groups[$id_customer][] = (int)$group['id_group'];
            }
        }
        return self::$_customer_groups[$id_customer];
    }

    public function getGroups()
    {
        return Customer::getGroupsStatic((int)$this->id);
    }

    /**
     * @deprecated since 1.5
     */
    public function isUsed()
    {
        Tools::displayAsDeprecated();
        return false;
    }

    public function getBoughtProducts()
    {
        return Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS('
		SELECT * FROM `'._DB_PREFIX_.'orders` o
		LEFT JOIN `'._DB_PREFIX_.'order_detail` od ON o.id_order = od.id_order
		WHERE o.valid = 1 AND o.`id_customer` = '.(int)$this->id);
    }

    public static function getDefaultGroupId($id_customer)
    {
        if (!Group::isFeatureActive()) {
            static $ps_customer_group = null;
            if ($ps_customer_group === null) {
                $ps_customer_group = Configuration::get('PS_CUSTOMER_GROUP');
            }
            return $ps_customer_group;
        }

        if (!isset(self::$_defaultGroupId[(int)$id_customer])) {
            self::$_defaultGroupId[(int)$id_customer] = Db::getInstance()->getValue('
				SELECT `id_default_group`
				FROM `'._DB_PREFIX_.'customer`
				WHERE `id_customer` = '.(int)$id_customer
            );
        }
        return self::$_defaultGroupId[(int)$id_customer];
    }

    public static function getCurrentCountry($id_customer, Cart $cart = null)
    {
        if (!$cart) {
            $cart = Context::getContext()->cart;
        }
        if (!$cart || !$cart->{Configuration::get('PS_TAX_ADDRESS_TYPE')}) {
            $id_address = (int)Db::getInstance()->getValue('
				SELECT `id_address`
				FROM `'._DB_PREFIX_.'address`
				WHERE `id_customer` = '.(int)$id_customer.'
				AND `deleted` = 0 ORDER BY `id_address`'
            );
        } else {
            $id_address = $cart->{Configuration::get('PS_TAX_ADDRESS_TYPE')};
        }
        $ids = Address::getCountryAndState($id_address);
        return (int)$ids['id_country'] ? $ids['id_country'] : Configuration::get('PS_COUNTRY_DEFAULT');
    }

    public function toggleStatus()
    {
        parent::toggleStatus();

        /* Change status to active/inactive */
        return Db::getInstance()->execute('
		UPDATE `'._DB_PREFIX_.bqSQL($this->def['table']).'`
		SET `date_upd` = NOW()
		WHERE `'.bqSQL($this->def['primary']).'` = '.(int)$this->id);
    }


    public function isGuest()
    {
        return (bool)$this->is_guest;
    }

    public function transformToCustomer($id_lang, $password = null)
    {
        if (!$this->isGuest()) {
            return false;
        }
        if (empty($password)) {
            $password = Tools::passwdGen(8, 'RANDOM');
        }
        if (!Validate::isPasswd($password)) {
            return false;
        }

        $this->is_guest = 0;
        $this->passwd = Tools::encrypt($password);
        $this->cleanGroups();
        $this->addGroups(array(Configuration::get('PS_CUSTOMER_GROUP'))); // add default customer group
        if ($this->update()) {
            $vars = array(
                '{firstname}' => $this->firstname,
                '{lastname}' => $this->lastname,
                '{email}' => $this->email,
                '{passwd}' => $password
            );

            Mail::Send(
                (int)$id_lang,
                'guest_to_customer',
                Mail::l('Your guest account has been transformed into a customer account', (int)$id_lang),
                $vars,
                $this->email,
                $this->firstname.' '.$this->lastname,
                null,
                null,
                null,
                null,
                _PS_MAIL_DIR_,
                false,
                (int)$this->id_shop
            );
            return true;
        }
        return false;
    }

    public function setWsPasswd($passwd)
    {
        if ($this->id == 0 || $this->passwd != $passwd) {
            $this->passwd = Tools::encrypt($passwd);
        }
        return true;
    }

    /**
     * Check customer informations and return customer validity
     *
     * @since 1.5.0
     * @param bool $with_guest
     * @return bool customer validity
     */
    public function isLogged($with_guest = false)
    {
        if (!$with_guest && $this->is_guest == 1) {
            return false;
        }

        /* Customer is valid only if it can be load and if object password is the same as database one */
        return ($this->logged == 1 && $this->id && Validate::isUnsignedId($this->id) && Customer::checkPassword($this->id, $this->passwd));
    }

    /**
     * Logout
     *
     * @since 1.5.0
     */
    public function logout()
    {
        Hook::exec('actionCustomerLogoutBefore', array('customer' => $this));

        if (isset(Context::getContext()->cookie)) {
            Context::getContext()->cookie->logout();
        }

        $this->logged = 0;

        Hook::exec('actionCustomerLogoutAfter', array('customer' => $this));
    }

    /**
     * Soft logout, delete everything links to the customer
     * but leave there affiliate's informations
     *
     * @since 1.5.0
     */
    public function mylogout()
    {
        Hook::exec('actionCustomerLogoutBefore', array('customer' => $this));

        if (isset(Context::getContext()->cookie)) {
            Context::getContext()->cookie->mylogout();
        }

        $this->logged = 0;

        Hook::exec('actionCustomerLogoutAfter', array('customer' => $this));
    }

    public function getLastCart($with_order = true)
    {
        $carts = Cart::getCustomerCarts((int)$this->id, $with_order);
        if (!count($carts)) {
            return false;
        }
        $cart = array_shift($carts);
        $cart = new Cart((int)$cart['id_cart']);
        return ($cart->nbProducts() === 0 ? (int)$cart->id : false);
    }

    public function getOutstanding()
    {
        $query = new DbQuery();
        $query->select('SUM(oi.total_paid_tax_incl)');
        $query->from('order_invoice', 'oi');
        $query->leftJoin('orders', 'o', 'oi.id_order = o.id_order');
        $query->groupBy('o.id_customer');
        $query->where('o.id_customer = '.(int)$this->id);
        $total_paid = (float)Db::getInstance()->getValue($query->build());

        $query = new DbQuery();
        $query->select('SUM(op.amount)');
        $query->from('order_payment', 'op');
        $query->leftJoin('order_invoice_payment', 'oip', 'op.id_order_payment = oip.id_order_payment');
        $query->leftJoin('orders', 'o', 'oip.id_order = o.id_order');
        $query->groupBy('o.id_customer');
        $query->where('o.id_customer = '.(int)$this->id);
        $total_rest = (float)Db::getInstance()->getValue($query->build());

        return $total_paid - $total_rest;
    }

    public function getWsGroups()
    {
        return Db::getInstance()->executeS('
			SELECT cg.`id_group` as id
			FROM '._DB_PREFIX_.'customer_group cg
			'.Shop::addSqlAssociation('group', 'cg').'
			WHERE cg.`id_customer` = '.(int)$this->id
        );
    }

    public function setWsGroups($result)
    {
        $groups = array();
        foreach ($result as $row) {
            $groups[] = $row['id'];
        }
        $this->cleanGroups();
        $this->addGroups($groups);
        return true;
    }

    /**
     * @see ObjectModel::getWebserviceObjectList()
     */
    public function getWebserviceObjectList($sql_join, $sql_filter, $sql_sort, $sql_limit)
    {
        $sql_filter .= Shop::addSqlRestriction(Shop::SHARE_CUSTOMER, 'main');
        return parent::getWebserviceObjectList($sql_join, $sql_filter, $sql_sort, $sql_limit);
    }
}
