<?php
/**
 * TNT OFFICIAL MODULE FOR PRESTASHOP.
 *
 * @author    GFI Informatique <www.gfi.fr>
 * @copyright 2016-2017 GFI Informatique, 2016-2017 TNT
 * @license   https://opensource.org/licenses/MIT MIT License
 */

require_once _PS_MODULE_DIR_.'tntofficiel/libraries/TNTOfficiel_Debug.php';
require_once _PS_MODULE_DIR_.'tntofficiel/libraries/TNTOfficiel_Logger.php';
require_once _PS_MODULE_DIR_.'tntofficiel/libraries/TNTOfficiel_ServiceCache.php';
require_once _PS_MODULE_DIR_.'tntofficiel/libraries/TNTOfficiel_JsonRPCClient.php';
require_once _PS_MODULE_DIR_.'tntofficiel/libraries/TNTOfficiel_PasswordManager.php';

class TNTOfficiel_AddressHelper
{
    /**
     * @var Singleton
     */
    private static $_instance = null;

    /**
     * @var TNTOfficiel_Logger
     */
    private $logger;

    /**
     * Constructor.
     */
    public function __construct()
    {
        TNTOfficiel_Debug::log(array('msg' => '>>', 'file' => __FILE__, 'line' => __LINE__));

        $this->logger = new TNTOfficiel_Logger();
    }

    /**
     * Creates a singleton.
     *
     * @param void
     *
     * @return TNTOfficiel_AddressHelper
     */
    public static function getInstance()
    {
        TNTOfficiel_Debug::log(array('msg' => '>>', 'file' => __FILE__, 'line' => __LINE__));

        if (is_null(TNTOfficiel_AddressHelper::$_instance)) {
            TNTOfficiel_AddressHelper::$_instance = new TNTOfficiel_AddressHelper();
        }

        return TNTOfficiel_AddressHelper::$_instance;
    }

    /**
     * Get cities from the middleware for the given CP
     * Store the result in cache until midnight.
     *
     * @param string $postcode the postal code
     * @param int    $idShop   the shop id
     *
     * @return array
     */
    public function getCitiesFromMiddleware($postcode, $idShop)
    {
        TNTOfficiel_Debug::log(array('msg' => '>>', 'file' => __FILE__, 'line' => __LINE__));

        $objCache = Cache::getInstance();
        // get params without timestamp
        $params = $this->_getCitiesParams($postcode, $idShop);
        $cache_key = 'middleware::getCities_'.md5(serialize($params));
        //check if already in cache
        if (!$objCache->exists($cache_key)) {
            $client = new TNTOfficiel_JsonRPCClient(Configuration::get('TNT_CARRIER_MIDDLEWARE_URL'));
            try {
                $cities = $client->execute('getCities', $params);
                $this->logger->logMessageTnt('getCities', null, 'JSON', true, 'SUCCESS');
            } catch (Exception $objException) {
                $strStatus = ($objException->getCode() == 500) ? 'FATAL' : 'ERROR';
                $strMsg = $objException->getMessage();
                $this->logger->logMessageTnt('getCities', $strMsg, 'JSON', false, $strStatus);
                return false;
            }
            //add in cache until midnight
            $objCache->set($cache_key, Tools::jsonEncode($cities), TNTOfficiel_ServiceCache::getSecondsUntilMidnight());

            return $cities;
        }
        $cities = Tools::jsonDecode($objCache->get($cache_key), true);

        return $cities;
    }

    /**
     * Get the data needed by the middleware.
     *
     * @param string $postcode the postal code
     * @param int    $idShop   the shop id
     *
     * @return array
     */
    private function _getCitiesParams($postcode, $idShop)
    {
        TNTOfficiel_Debug::log(array('msg' => '>>', 'file' => __FILE__, 'line' => __LINE__));

        $data = array(
            'store' => $idShop,
            'merchant' => array(
                'identity' => Configuration::get('TNT_CARRIER_USERNAME'),
                'password' => TNTOfficiel_PasswordManager::getHash(),
                'merchant_number' => Configuration::get('TNT_CARRIER_ACCOUNT'),
            ),
            'postcode' => $postcode,
        );

        return $data;
    }

    /**
     * ask the middleware to check if the city match the postcode.
     *
     * @param $postcode
     * @param $city
     * @param $idShop
     *
     * @return mixed
     */
    public function checkPostcodeCityFromMiddleware($postcode, $city, $idShop)
    {
        TNTOfficiel_Debug::log(array('msg' => '>>', 'file' => __FILE__, 'line' => __LINE__));

        $objCache = Cache::getInstance();
        // get params without timestamp
        $params = $this->_getTestCityParams($postcode, $city, $idShop);
        $cache_key = 'middleware::testCity_'.md5(serialize($params));
        //check if already in cache
        if (!$objCache->exists($cache_key)) {
            $client = new TNTOfficiel_JsonRPCClient(Configuration::get('TNT_CARRIER_MIDDLEWARE_URL'));
            try {
                $result = $client->execute('testCity', $params);
                $this->logger->logMessageTnt('testCity', null, 'JSON', true, 'SUCCESS');
            } catch (Exception $objException) {
                $strStatus = ($objException->getCode() == 500) ? 'FATAL' : 'ERROR';
                $strMsg = $objException->getMessage();
                $this->logger->logMessageTnt('testCity', $strMsg, 'JSON', false, $strStatus);
                return false;
            }
            //add in cache until midnight
            $objCache->set($cache_key, Tools::jsonEncode($result), TNTOfficiel_ServiceCache::getSecondsUntilMidnight());

            return $result;
        }
        $result = Tools::jsonDecode($objCache->get($cache_key), true);

        return $result;
    }

    public function getAddressData($addressId, $cartId)
    {
        TNTOfficiel_Debug::log(array('msg' => '>>', 'file' => __FILE__, 'line' => __LINE__));

        $strSQL = '
SELECT a.*, tc.*
FROM '._DB_PREFIX_.'orders o
INNER JOIN '._DB_PREFIX_.'address a on a.id_address = o.id_address_delivery
INNER JOIN '._DB_PREFIX_.'tntofficiel_cart tc on tc.id_cart = o.id_cart
WHERE a.id_address = '.(int)$addressId.' and tc.id_cart = '.(int)$cartId;

        $result = Db::getInstance()->getRow($strSQL, false);
        if (!$result || count($result) == 0) {
            throw new Exception('No address was found for the address '.$addressId.' - '.$cartId);
        }

        return $result;
    }

    /**
     * Get the data needed by the middleware to check the city/postcode.
     *
     * @param $postcode
     * @param $city
     * @param $idShop
     *
     * @return array
     */
    private function _getTestCityParams($postcode, $city, $idShop)
    {
        TNTOfficiel_Debug::log(array('msg' => '>>', 'file' => __FILE__, 'line' => __LINE__));

        $data = $this->_getCitiesParams($postcode, $idShop);
        $data['city'] = $city;

        return $data;
    }

    /**
     * Check the postcode/city validity for a cart.
     *
     * @param $cart
     *
     * @return bool
     */
    public function checkPostCodeCityForCart($cart)
    {
        TNTOfficiel_Debug::log(array('msg' => '>>', 'file' => __FILE__, 'line' => __LINE__));

        $deliveryAddress = new Address($cart->id_address_delivery);
        $countryIsoCode = Country::getIsoById($deliveryAddress->id_country);
        $idShop = (int) Context::getContext()->shop->id;
        //do not check if the address is not in france
        if ($countryIsoCode == 'FR') {
            $result = $this->checkPostcodeCityFromMiddleware(
                $deliveryAddress->postcode,
                $deliveryAddress->city,
                $idShop
            );

            return $result['response'];
        }

        return true;
    }
}