<?php

class ICrmOrderActions
{
    protected static $MODULE_ID = 'intaro.intarocrm';
    protected static $CRM_API_HOST_OPTION = 'api_host';
    protected static $CRM_API_KEY_OPTION = 'api_key';
    protected static $CRM_ORDER_TYPES_ARR = 'order_types_arr';
    protected static $CRM_DELIVERY_TYPES_ARR = 'deliv_types_arr';
    protected static $CRM_PAYMENT_TYPES = 'pay_types_arr';
    protected static $CRM_PAYMENT_STATUSES = 'pay_statuses_arr';
    protected static $CRM_PAYMENT = 'payment_arr'; //order payment Y/N
    protected static $CRM_ORDER_LAST_ID = 'order_last_id';
    
    /**
     * Mass order uploading, without repeating; always returns true, but writes error log
     * @return boolean
     */
    public static function uploadOrders($steps = false, $pSize = 50) {
        
        //COption::SetOptionString(self::$MODULE_ID, self::$CRM_ORDER_LAST_ID, 0); // -- for test
        
        if (!CModule::IncludeModule("iblock")) {
            //handle err
            self::eventLog('ICrmOrderActions::uploadOrders', 'iblock', 'module not found');
            return true;
        }
        
        if (!CModule::IncludeModule("sale")) {
            //handle err
            self::eventLog('ICrmOrderActions::uploadOrders', 'sale', 'module not found');
            return true;
        }
        
        if (!CModule::IncludeModule("catalog")) {
            //handle err
            self::eventLog('ICrmOrderActions::uploadOrders', 'catalog', 'module not found');
            return true;
        }
        
        $resOrders = array();
        
        $lastUpOrderId = COption::GetOptionString(self::$MODULE_ID, self::$CRM_ORDER_LAST_ID, 0);
        $lastOrderId = 0;
        
        $dbOrder = CSaleOrder::GetList(array("ID" => "ASC"), array('>ID' => $lastUpOrderId));
        
        $api_host = COption::GetOptionString(self::$MODULE_ID, self::$CRM_API_HOST_OPTION, 0);
        $api_key = COption::GetOptionString(self::$MODULE_ID, self::$CRM_API_KEY_OPTION, 0);

        //saved cat params
        $optionsOrderTypes = unserialize(COption::GetOptionString(self::$MODULE_ID, self::$CRM_ORDER_TYPES_ARR, 0));
        $optionsDelivTypes = unserialize(COption::GetOptionString(self::$MODULE_ID, self::$CRM_DELIVERY_TYPES_ARR, 0));
        $optionsPayTypes = unserialize(COption::GetOptionString(self::$MODULE_ID, self::$CRM_PAYMENT_TYPES, 0));
        $optionsPayStatuses = unserialize(COption::GetOptionString(self::$MODULE_ID, self::$CRM_PAYMENT_STATUSES, 0)); // --statuses
        $optionsPayment = unserialize(COption::GetOptionString(self::$MODULE_ID, self::$CRM_PAYMENT, 0));

        $api = new IntaroCrm\RestApi($api_host, $api_key);
        
        $arParams = array(
            'optionsOrderTypes'  => $optionsOrderTypes,
            'optionsDelivTypes'  => $optionsDelivTypes,
            'optionsPayTypes'    => $optionsPayTypes,
            'optionsPayStatuses' => $optionsPayStatuses,
            'optionsPayment'     => $optionsPayment
        );
        
        // pack mode enable / disable
        // can send data evry 500 rows
        if (!$steps) {
            
            while ($arOrder = $dbOrder->GetNext()) { //here orders by id asc; with offset
                
                $order = self::orderCreate($arOrder['ID'], $api, $arParams);

                if (!$order)
                    continue;

                $resOrders[] = $order;
                
                $lastOrderId = $arOrder['ID'];
            }
            
            if (!empty($resOrders)) {
                $orders = $api->orderUpload($resOrders);
                
                // error pushing orders
                if ($api->getStatusCode() != 201) {
                    //handle err
                    self::eventLog('ICrmOrderActions::uploadOrders', 'IntaroCrm\RestApi::orderUpload', $api->getLastError());

                    if ($api->getStatusCode() != 460) // some orders were sent
                        return false; // in pack mode return errors
                }
            }
           
        } else { // package mode (by default runs after install)
            $orderCount = 0;
            
            while ($arOrder = $dbOrder->GetNext()) { // here orders by id asc
                
                $order = self::orderCreate($arOrder['ID'], $api, $arParams);

                if (!$order)
                    continue;
                
                $orderCount++;
                
                $resOrders[] = $order;
                
                $lastOrderId = $arOrder['ID'];
                
                if($orderCount >= $pSize) {
                    $orders = $api->orderUpload($resOrders);
                    
                    // error pushing orders
                    if ($api->getStatusCode() != 201) {
                        //handle err
                        self::eventLog('ICrmOrderActions::uploadOrders', 'IntaroCrm\RestApi::orderUpload', $api->getLastError());
                        
                        if($api->getStatusCode() != 460) // some orders were sent
                            return false; // in pack mode return errors
                    
                        if($lastOrderId)
                            COption::SetOptionString(self::$MODULE_ID, self::$CRM_ORDER_LAST_ID, $lastOrderId);
                    }
                    
                    return true; // end of pack
                }
            }

            if (!empty($resOrders)) {
                $orders = $api->orderUpload($resOrders);

                // error pushing orders
                if ($api->getStatusCode() != 201) {
                    //handle err
                    self::eventLog('ICrmOrderActions::uploadOrders', 'IntaroCrm\RestApi::orderUpload', $api->getLastError());

                    if ($api->getStatusCode() != 460) // some orders were sent
                        return false; // in pack mode return errors
                }
            } 
        }
        
        if($lastOrderId)
            COption::SetOptionString(self::$MODULE_ID, self::$CRM_ORDER_LAST_ID, $lastOrderId);

        return true; //all ok!
    }

    /**
     * 
     * w+ event in bitrix log
     */
    private static function eventLog($auditType, $itemId, $description) {
        CEventLog::Add(array(
            "SEVERITY"      => "SECURITY",
            "AUDIT_TYPE_ID" => $auditType,
            "MODULE_ID"     => self::$MODULE_ID,
            "ITEM_ID"       => $itemId,
            "DESCRIPTION"   => $description,
        ));
    }
    
    /**
     * 
     * Agent function
     * 
     * @return self name
     */
    
    public static function uploadOrdersAgent() {
        
        if(self::uploadOrders())
            return 'ICrmOrderActions::uploadOrdersAgent();';
        
        else return;
    }
    
    public static function orderCreate($orderId, $api, $arParams, $send = false) {
        if(!$api || empty($arParams) || !$orderId) { // add cond to check $arParams
            return false;
        }
        
        $arFields = CSaleOrder::GetById($orderId);

        if (empty($arFields)) {
            //handle err
            self::eventLog('ICrmOrderActions::orderCreate', 'empty($arFields)', 'incorrect order');

            return false;
        }

        $rsUser = CUser::GetByID($arFields['USER_ID']);
        $arUser = $rsUser->Fetch();
        
        $createdAt = new \DateTime($arUser['DATE_REGISTER']);
        $createdAt = $createdAt->format('Y-m-d H:i:s');

        // push customer (for crm)
        $firstName = self::toJSON($arUser['NAME']);
        $lastName = self::toJSON($arUser['LAST_NAME']);
        $patronymic = self::toJSON($arUser['SECOND_NAME']);

        $phonePersonal = array(
            'number' => self::toJSON($arUser['PERSONAL_PHONE']),
            'type'   => 'mobile'
        );
        $phones[] = $phonePersonal;

        $phoneWork = array(
            'number' => self::toJSON($arUser['WORK_PHONE']),
            'type'   => 'work'
        );
        $phones[] = $phoneWork;

        $result = self::clearArr(array(
            'externalId' => $arFields['USER_ID'],
            'lastName'   => $lastName,
            'firstName'  => $firstName,
            'patronymic' => $patronymic,
            'phones'     => $phones,
            'createdAt'  => $createdAt
        ));

        $customer = $api->customerEdit($result);

        // error pushing customer
        if (!$customer) {
            //handle err
            self::eventLog('ICrmOrderActions::orderCreate', 'IntaroCrm\RestApi::customerEdit', $api->getLastError());
            return false;
        }

        // delivery types
        $arId = array();
        if (strpos($arFields['DELIVERY_ID'], ":") !== false)
            $arId = explode(":", $arFields["DELIVERY_ID"]);

        if ($arId)
            $resultDeliveryTypeId = $arId[0];
        else
            $resultDeliveryTypeId = $arFields['DELIVERY_ID'];


        $resOrder = array();
        $resOrderDeliveryAddress = array();

        $rsOrderProps = CSaleOrderPropsValue::GetList(array(), array('ORDER_ID' => $arFields['ID']));
        while ($ar = $rsOrderProps->Fetch()) {
            switch ($ar['CODE']) {
                case 'ZIP': $resOrderDeliveryAddress['index'] = self::toJSON($ar['VALUE']);
                    break;
                case 'CITY': $resOrderDeliveryAddress['city'] = self::toJSON($ar['VALUE']);
                    break;
                case 'ADDRESS': $resOrderDeliveryAddress['text'] = self::toJSON($ar['VALUE']);
                    break;
                case 'FIO': $resOrder['contactName'] = explode(" ", self::toJSON($ar['VALUE']));
                    break;
                case 'PHONE': $resOrder['phone'] = $ar['VALUE'];
                    break;
                case 'EMAIL': $resOrder['email'] = $ar['VALUE'];
                    break;
            }
        }
        
        $items = array();

        $rsOrderBasket = CSaleBasket::GetList(array('PRODUCT_ID' => 'ASC'), array('ORDER_ID' => $arFields['ID']));
        while ($p = $rsOrderBasket->Fetch()) {
            $pr = CCatalogProduct::GetList(array('ID' => $p['PRODUCT_ID']))->Fetch();
            if ($pr)
                $pr = $pr['PURCHASING_PRICE'];
            else
                $pr = '';
            
            if($p['DISCOUNT_VALUE'])
                $p['DISCOUNT_PRICE'] = null;
            
            $items[] = array(
                'initialPrice'    => (double) $p['PRICE'] + (double) $p['DISCOUNT_PRICE'],
                'purchasePrice'   => $pr,
                'discount'        => $p['DISCOUNT_PRICE'],
                'discountPercent' => $p['DISCOUNT_VALUE'],
                'quantity'        => $p['QUANTITY'],
                'productId'       => $p['PRODUCT_ID'],
                'productName'     => self::toJSON($p['NAME'])
            );
        }
        
        if($arFields['CANCELED'] == 'Y')
            $arFields['STATUS_ID'] = $arFields['CANCELED'];
        
        $createdAt = new \DateTime($arFields['DATE_INSERT']);
        $createdAt = $createdAt->format('Y-m-d H:i:s');
        
        $resOrder = self::clearArr(array(
            'firstName'       => $resOrder['contactName'][0],
            'lastName'        => $resOrder['contactName'][1],
            'patronymic'      => $resOrder['contactName'][2],
            'phone'           => $resOrder['phone'],
            'email'           => $resOrder['email'],
            'deliveryCost'    => $arFields['PRICE_DELIVERY'],
            'summ'            => $arFields['PRICE'],
            'markDateTime'    => $arFields['DATE_MARKED'],
            'externalId'      => $arFields['ID'],
            'customerId'      => $arFields['USER_ID'],
            'paymentType'     => $arParams['optionsPayTypes'][$arFields['PAY_SYSTEM_ID']],
            'paymentStatus'   => $arParams['optionsPayment'][$arFields['PAYED']],
            'orderType'       => $arParams['optionsOrderTypes'][$arFields['PERSON_TYPE_ID']],
            'deliveryType'    => $arParams['optionsDelivTypes'][$resultDeliveryTypeId],
            'status'          => $arParams['optionsPayStatuses'][$arFields['STATUS_ID']],
            'statusComment'   => $arFields['REASON_CANCELED'],
            'createdAt'       => $createdAt,
            'deliveryAddress' => $resOrderDeliveryAddress,
            'items'           => $items
        ));
        
        if($send)
            return $api->createOrder($resOrder);
        
        return $resOrder;
        
    }
    
    /**
     * removes all empty fields from arrays
     * working with nested arrs
     * 
     * @param type $arr
     * @return boolean
     */
    public static function clearArr($arr) {
        if(!$arr || !is_array($arr))
            return false;
        
        foreach($arr as $key => $value) {
            if(!$value || (is_array($value) && empty($value)))
                unset($arr[$key]);
            
            if(is_array($value) && !empty($value))
                $arr[$key] = self::clearArr($value);
        }
        
        return $arr;
    }
    
    /**
     * 
     * @global type $APPLICATION
     * @param type $str in SITE_CHARSET
     * @return type $str in utf-8
     */
    protected static function toJSON($str) {
        global $APPLICATION;
        
        return $APPLICATION->ConvertCharset($str, SITE_CHARSET, 'utf-8');
    }
    
    /**
     * 
     * @global type $APPLICATION
     * @param type $str in utf-8
     * @return type $str in SITE_CHARSET
     */
    public static function fromJSON($str) {
        global $APPLICATION;
        
        return $APPLICATION->ConvertCharset($str, 'utf-8', SITE_CHARSET);
    }
}