<?php

class Am_Paysystem_Dineromail extends Am_Paysystem_Abstract{
    const PLUGIN_STATUS = self::STATUS_BETA;
    const PLUGIN_REVISION = '4.2.9';

    protected $defaultTitle = 'DineroMail';
    protected $defaultDescription = 'Pay by credit card card/wire transfer';
   
    const URL = 'https://checkout.dineromail.com/CheckOut';

    const NO = 0; 
    const YES = 1; 
    
    public function _initSetupForm(Am_Form_Setup $form)
    {
    	
    	$form->addText("email")->setLabel(array(
    			'Your E-mail:',
    			'received from DineroMail'
    		));    	
    	
        $form->addText("merchant")->setLabel(array(
            	'Your merchant identifier', 
           		'received from DineroMail'
            ));    
    
        $form->addText("PIN")->setLabel(array(
        		'Your Pin',
        		'recieved from DineroMail'
        	));
        
        $form->addText("secret")->setLabel(array(
        		'Your password',
        		'DM -> My account -> Config Ipn -> Password'
        	));
        
        $form->addSelect("country", array(), array('options' => array(
        		'1' => 'Argentina',
        		'2' => 'Brazil',
        		'3' => 'Chile',
        		'4' => 'Mexico'
       		)))->setLabel('Merchant Country');   

        $form->addSelect("language", array(), array('options' => array(                
                'en' => 'English',                
                'es' => 'Spanish',
        		'pt' => 'Portuguese'
            )))->setLabel('Site Language');      
    }  
    
   
    public function _process(Invoice $invoice, Am_Request $request, Am_Paysystem_Result $result)
    {
        $a = new Am_Paysystem_Action_Form(self::URL);  
        
        $vars = array(
            'MERCHANT'          =>  $this->getConfig('merchant'),
        	'COUNTRY_ID'		=>  $this->getConfig('country'), 
        	'PAYMENT_METHOD_AVAILABLE' => 'all',        							
        	'TRANSACTION_ID'    =>  $invoice->public_id,
        );        
 
        $i = '1';        
        foreach($invoice->getItems() as $item){        	
        	//Creating new format without dot for $item->first_price        	 
        	$price = str_replace('.','',$item->first_price);        	
        	
            $vars['ITEM_NAME_'.$i]  = $item->item_title;
            $vars['ITEM_CODE_'.$i]  = $item->item_id;            
            $vars['ITEM_AMMOUNT_'.$i]  = $price;
            $vars['ITEM_QUANTITY_'.$i] = $item->qty;
            $vars['ITEM_CURRENCY_'.$i] = $item->currency;  
            $i++;         
        }       
       
		$vars['CURRENCY'] = strtoupper($invoice->currency);  
        
        foreach($vars as $k=>$v){
            $a->__set($k,$v);
        }       
		
		$a->__set('BUYER_FNAME', $invoice->getFirstName());
		$a->__set('BUYER_LNAME', $invoice->getLastName());
		$a->__set('BUYER_EMAIL', $invoice->getEmail());
		$a->__set('BUYER_PHONE', $invoice->getPhone());
		$a->__set('BUYER_STREET', $invoice->getStreet());
		$a->__set('BUYER_STATE', $invoice->getState());
		$a->__set('BUYER_CITY', $invoice->getCity());
		$a->__set('BUYER_COUNTRY', $invoice->getCountry());
		$a->__set('BUYER_ZIP_CODE', $invoice->getZip());
		$a->__set('BUYER_CITY', $invoice->getCity());
		$a->__set('BUYER_STATE', $invoice->getState());			
        
		$a->__set('LANGUAGE', $this->getConfig('language', 'es'));     
         
        $result->setAction($a);        
    }
    
    function calculateHash($vars){
    	$hash_src = '';
    	foreach($vars as $k=>$v){
    		if(is_array($v)){
    			foreach($v as $vv){
    				$hash_src .= strlen(htmlentities($vv)).htmlentities($vv);
    			}
    		}else
    			$hash_src .= strlen(htmlentities($v)).htmlentities($v);
    	}
    	return hash_hmac('md5', $hash_src, $this->getConfig('secret'));
    }
    
    public function createTransaction(Am_Request $request, Zend_Controller_Response_Http $response, array $invokeArgs)
    {
    	
        return new Am_Paysystem_Transaction_Dineromail($this, $request, $response, $invokeArgs);
    }
    
    public function getRecurringType()
    {
        return self::REPORTS_NOTHING;
    }
    
    public function getSupportedCurrencies()
    {
        return array('EUR', 'USD');
    }
    
    function getReadme(){
        return <<<CUT
<b>DineroMail plugin configuration</b>

Configure IPN url in your account: %root_surl%/amember/payment/dineromail/ipn
CUT;
        
    }
}

class Am_Paysystem_Transaction_Dineromail extends Am_Paysystem_Transaction_Incoming {
	const SUCCESS = '1';
	
	function __construct(Am_Paysystem_Abstract $plugin, Am_Request $request, Zend_Controller_Response_Http $response, $invokeArgs) {
		parent::__construct($plugin, $request, $response, $invokeArgs);	
	}
    
    public function findInvoiceId()
    {
    	$doc = $this->getDoc();
    	$message = $doc->xpath('//OPERACION/NUMTRANSACCION');
    	$inv_id = array_shift($message);    	
    	
    	return $inv_id; 	
    }
        
    public function getUniqId()
    {
    	$doc = $this->getDoc();
    	$message = $doc->xpath('//OPERACION/ID');
    	$uni_id = array_shift($message);
    	return $uni_id;
    }
    
    public function validateSource()
    {   
    	$ping = Dineromail_Ping::createFromRequest($this->request);    	
    	
    	$dineromail_request = new Dineromail_Request($this->plugin->getConfing('merchant'), $this->plugin->getConfig('secret'), $ping->getOperationList());
    	
    	$this->response = $dineromail_request->getPayments();     
    	
    	$doc = $this->getDoc();   
								
    	$message = $doc->xpath('//OPERACION/NUMTRANSACCION');
    	if(false === $message){
    		throw new Am_Exception_Paysystem_TransactionSource('Recieved transaction id is empty');
    	}
    	
    	$numtransaccion = array_shift($message);
    	if($numtransaccion != $this->getInvoice()->public_id){
    		throw new Am_Exception_Paysystem_TransactionSource('Recieved transaction id is not equal to sended');
    	}
    	
    	return true;  	   	
    }
    
    public function validateStatus()
    {
    	$doc = $this->getDoc();   
    		
    	$message = $doc->xpath('//ESTADOREPORTE');
    	if (false === $message) {    	
    		throw new Am_Exception_Paysystem_TransactionInvalid('Malformed response.');
    	}
    	
    	$code = array_shift($message);
    	if (self::SUCCESS != $code) {    	
    		throw new Am_Exception_Paysystem_TransactionInvalid('Error response with code: ' . $code);
    	}
    	
        return true;
    }
    
    public function validateTerms()
    {
    	$doc = $this->getDoc();
    	
    	$message = $doc->xpath('//OPERACION/MONTO');    	
    	$monto = array_shift($message);
    	
    	$this->assertAmount($this->invoice->first_total, $monto);
    	
        return true;
    }
    
    private function getDoc()
    {
    	return new SimpleXMLElement($this->response->getBody());
    }
}

class Dineromail_Ping 
{
	const REQUEST_PARAM = 'Notification';	
	
	private $data;	
	
	public function __construct($data)
	{
		$this->_data = new DOMDocument($data);
		$this->_data->loadXML($data);
	}	
	
	public function getOperationList()
	{
		$xpath = new DOMXPath($this->_data);
		$ops = $xpath->query('//operacion/id/text()');
		
		$result = array();
		for($i = 0; $i<$ops->length; $i++){
			$result[] = $ops->item($i)->nodeValue;	
		}
		
		return $result;
	}	
	
	public static function createFromRequest(Am_Request $request)
	{
		return new self($request->getParam(self::REQUEST_PARAM));
	}
}

class Dineromail_Request 
{	
	const REQUEST_PARAM = 'DATA';
	
	const SUCCESS = '1';
	
	const URI = 'https://argentina.dineromail.com/Vender/Consulta_IPN.asp';
	
	private $_accountNumber;
	private $_password;
	private $_payments;
	private $_response;
	
	public function __construct($accountNumber, $password, array $payments)
	{
		$this->_accountNumber = $accountNumber;
		$this->_password = $password;
		$this->_payments = $payments;		
	}
	
	public function getPayments()
	{		
		$this->_makeRequest();
		return $this->_response;	
	}
	
	private function _generatePost()
	{		
		$res = '<REPORTE>';
		$res.= '<NROCTA>'.$this->_accountNumber.'</NROCTA>';
		$res.= '<DETALLE>';
		$res.= '<CONSULTA>';
		$res.= '<CLAVE>'.$this->_password.'<CLAVE>';
		$res.= '<TIPO>1</TIPO>';				 
		$res.= '<OPERACIONES>';
		foreach($this->_payments as $payment)
		{
			$res.= '<ID>'.$payment.'</ID>';
		}			
		$res.= '</OPERACIONES>';
		$res.= '</CONSULTA>';
		$res.= '</DETALLE>';
		$res.= '</REPORTE>';
		
		return $res;
	}
	
	private function _makeRequest()
	{
		$request = new Am_HttpRequest($this->URI, Am_HttpRequest::METHOD_POST);
		$request->addPostParameter(self::REQUEST_PARAM, $this->_generatePost());
		
		$response = $request->send();
		
		$this->_response = $response;
	}	
}