<?php
    namespace Netopia\Netcard\Mobilpay\Payment\Request;
    use \Netopia\Netcard\Mobilpay\Payment\MobilpayPaymentInvoice;
    use \Netopia\Netcard\Mobilpay\Payment\Request\MobilpayPaymentRequestAbstract;    
    /**
     * Class MobilpayPaymentRequestCard
     * This class can be used for accessing mobilpay.ro payment interface for your configured online services
     * @copyright NETOPIA
     * @author Claudiu Tudosecntru
     * @version 1.0
     *
     */

    class MobilpayPaymentRequestCard extends MobilpayPaymentRequestAbstract
    {
        const ERROR_LOAD_FROM_XML_ORDER_INVOICE_ELEM_MISSING	= 0x30000001;

        public $invoice	= null;

        function __construct()
        {
            parent::__construct();
            $this->type = self::PAYMENT_TYPE_CARD;
        }

        protected function _loadFromXml(\DOMElement $elem)
        {
            parent::_parseFromXml($elem);

            //card request specific data
            $elems = $elem->getElementsByTagName('invoice');
            if($elems->length != 1)
            {
                throw new \Exception('MobilpayPaymentRequestCard::loadFromXml failed; invoice element is missing', self::ERROR_LOAD_FROM_XML_ORDER_INVOICE_ELEM_MISSING);
            }

            $this->invoice = new MobilpayPaymentInvoice($elems->item(0));

            return $this;
        }

        protected function _prepare()
        {
            if(is_null($this->signature) || is_null($this->orderId) || !($this->invoice instanceof MobilpayPaymentInvoice))
            {
                throw new \Exception('One or more mandatory properties are invalid!', self::ERROR_PREPARE_MANDATORY_PROPERTIES_UNSET);
            }

            // create an instance of Dom
            $this->_xmlDoc 		= new \DOMDocument('1.0', 'utf-8');
            $rootElem 			= $this->_xmlDoc->createElement('order');

            //set payment type attribute
            $xmlAttr 			= $this->_xmlDoc->createAttribute('type');
            $xmlAttr->nodeValue	= $this->type;
            $rootElem->appendChild($xmlAttr);

            //set id attribute
            $xmlAttr 			= $this->_xmlDoc->createAttribute('id');
            $xmlAttr->nodeValue	= $this->orderId;
            $rootElem->appendChild($xmlAttr);

            //set timestamp attribute
            $xmlAttr 			= $this->_xmlDoc->createAttribute('timestamp');
            $xmlAttr->nodeValue	= date('YmdHis');
            $rootElem->appendChild($xmlAttr);

            //set signature attribute
            $xmlElem			= $this->_xmlDoc->createElement('signature');
            $xmlElem->nodeValue	= $this->signature;
            $rootElem->appendChild($xmlElem);

            //set Invoice details to Dom instance
            $xmlElem			= $this->invoice->createXmlElement($this->_xmlDoc);
            $rootElem->appendChild($xmlElem);

            // Set ipn_cipher
            if($this->ipnCipher !== null)
            {
                $xmlElem = $this->_xmlDoc->createElement('ipn_cipher');
                $xmlElem->nodeValue = $this->ipnCipher;
                $rootElem->appendChild($xmlElem);
            }

            // set Parameters
            if(is_array($this->params) && sizeof($this->params) > 0)
            {
                $xmlParams = $this->_xmlDoc->createElement('params');
                foreach ($this->params as $key=>$value)
                {
                    $xmlParam 	= $this->_xmlDoc->createElement('param');

                    $xmlName			= $this->_xmlDoc->createElement('name');
                    $xmlName->nodeValue = trim($key);
                    $xmlParam->appendChild($xmlName);

                    $xmlValue			= $this->_xmlDoc->createElement('value');
                    $xmlValue->appendChild($this->_xmlDoc->createCDATASection($value));
                    $xmlParam->appendChild($xmlValue);

                    $xmlParams->appendChild($xmlParam);
                }
                $rootElem->appendChild($xmlParams);
            }

            if(!is_null($this->returnUrl) || !is_null($this->confirmUrl))
            {
                $xmlUrl = $this->_xmlDoc->createElement('url');
                if(!is_null($this->returnUrl))
                {
                    $xmlElem = $this->_xmlDoc->createElement('return');
                    $xmlElem->nodeValue = $this->returnUrl;
                    $xmlUrl->appendChild($xmlElem);
                }
                if(!is_null($this->confirmUrl))
                {
                    $xmlElem = $this->_xmlDoc->createElement('confirm');
                    $xmlElem->nodeValue = $this->confirmUrl;
                    $xmlUrl->appendChild($xmlElem);
                }

                $rootElem->appendChild($xmlUrl);
            }

            $this->_xmlDoc->appendChild($rootElem);
            return $this;
        }

    }