<?php

	class kGWBase extends kBase
	{

		/**
		 * Connection to database
		 *
		 * @var kDBConnection
		 */
		var $Conn = null;

		/**
		 * gateway received responce
		 *
		 * @var string
		 */
		var $gw_responce = '';

		function kGWBase()
		{
			parent::kBase();
			$this->Conn =& $this->Application->GetADODBConnection();
		}

		/**
		 * Returns payment form submit url
		 *
		 * @return string
		 */
		function getFormAction($gw_params)
		{
			return $this->Application->ProcessParsedTag('m', 'FormAction', Array() );
		}

		/**
		 * Processed input data and convets it to fields understandable by gateway
		 *
		 * @param Array $item_data
		 * @param Array $tag_params additional params for gateway passed through tag
		 * @param Array $gw_params gateway params from payment type config
		 * @return Array
		 */
		function getHiddenFields($item_data, $tag_params, $gw_params)
		{
			return Array(	'events[ord]' => 'OnCompleteOrder',
							'success_template' => $tag_params['return_template'],
							'failure_template' => $tag_params['cancel_template']);
		}

		function NeedPlaceButton($item_data, $tag_params, $gw_params)
		{
			return true;
		}

		/**
		 * Process notification about payment from payment gateway
		 *
		 */
		function processNotification()
		{

		}

		/**
		 * Perform PREAUTH/SALE type transaction direct from php script wihtout redirecting to 3rd-party website
		 *
		 * @param Array $item_data
		 * @param Array $gw_params
		 * @return bool
		 */
		function DirectPayment($item_data, $gw_params)
		{
			return true;
		}

		/**
		 * Perform SALE type transaction direct from php script wihtout redirecting to 3rd-party website
		 *
		 * @param Array $item_data
		 * @param Array $gw_params
		 * @return bool
		 */
		function Charge($item_data, $gw_params)
		{
			return true;
		}

		/**
		 * Returns gateway responce from last operation
		 *
		 * @return string
		 */
		function getGWResponce()
		{
			return $this->gw_responce;
		}

		/**
		 * Parse previosly saved gw responce into associative array
		 *
		 * @param string $gw_responce
		 * @return Array
		 */
		function parseGWResponce($gw_responce, $gw_params)
		{
			return $this->gw_responce;
		}

		/**
		 * Returns true if we should use testing mode
		 *
		 * @return bool
		 */
		function IsTestMode()
		{
			return defined('DEBUG_MODE') && constOn('DBG_PAYMENT_GW');
		}

		/**
		 * Convery primary currency to selected (if they are the same, converter will just return)
		 *
		 * @param double $value
		 * @param string $iso
		 * @param bool $format_value
		 * @return double
		 */
		function ConvertCurrency($value, $iso, $format_value = true)
		{
			$converter =& $this->Application->recallObject('kCurrencyRates');
			$value = $converter->Convert($value, 'PRIMARY', $iso);
			return $format_value ? sprintf('%.2f', $value) : $value;
		}

		function InstallData()
		{
			return array();
		}

		function Install()
		{
			if ($this->IsInstalled()) return;

			$data = $this->InstallData();
			if (!$data) return;

			$query = sprintf('INSERT INTO '.TABLE_PREFIX.'Gateways (Name, ClassName, ClassFile, RequireCCFields)
												VALUES (%s, %s, %s, %s)',
												$this->Conn->qstr(getArrayValue($data, 'Gateway', 'Name')),
												$this->Conn->qstr(getArrayValue($data, 'Gateway', 'ClassName')),
												$this->Conn->qstr(getArrayValue($data, 'Gateway', 'ClassFile')),
												$this->Conn->qstr(getArrayValue($data, 'Gateway', 'RequireCCFields'))
											);
			$this->Conn->Query($query);
			$gw_id = $this->Conn->getInsertID();

			foreach ($data['ConfigFields'] as $field => $properties) {

				$query = sprintf('INSERT INTO '.TABLE_PREFIX.'GatewayConfigFields (SystemFieldName, FieldName, ElementType, ValueList, GatewayId)
													VALUES (%s, %s, %s, %s, %s)',
													$this->Conn->qstr($field),
													$this->Conn->qstr($properties['Name']),
													$this->Conn->qstr($properties['Type']),
													$this->Conn->qstr($properties['ValueList']),
													$gw_id
													);
				$this->Conn->Query($query);
				$fld_id = $this->Conn->getInsertID();

				$query = sprintf('INSERT INTO '.TABLE_PREFIX.'GatewayConfigValues (GWConfigFieldId, PaymentTypeId, Value)
													VALUES (%s, %s, %s)',
													$fld_id,
													$gw_id,
													$this->Conn->qstr($properties['Default'])
												);
				$this->Conn->Query($query);
			}
		}

		function IsInstalled()
		{
			$data = $this->InstallData();
			if (!$data) return true;
			$sql ='SELECT GatewayId FROM '.TABLE_PREFIX.'Gateways WHERE ClassName = '.$this->Conn->qstr(getArrayValue($data, 'Gateway', 'ClassName'));
			return $this->Conn->GetOne($sql);
		}

		function getErrorMsg()
		{
			return '';
		}

		function gettestccnumbers()
		{
			return array();
		}

	}

?>