<?php
require_once ('dbutils.php');

class Rksv {
	
	private static $TAX_NORMAL = 1;
	private static $TAX_ERM1 = 2;
	private static $TAX_ERM2 = 3;
	private static $TAX_BESONDERS = 4;
	
	private static function checkEnvironment($pdo) {
		$isAustria = CommonUtils::getConfigValue($pdo, "austria", 0);
		if ($isAustria != 1) {
			return array("status" => "OK");
		}
		
		$rksvserver = CommonUtils::getConfigValue($pdo, "rksvserver", null);
		if (is_null($rksvserver)) {
			return array("status" => "ERROR","msg" => "No RKSV server configured");
		}
		
		$paydeskid = CommonUtils::getConfigValue($pdo, "paydeskid", null);
		if (is_null($paydeskid) || ($paydeskid == '')) {
			return array("status" => "ERROR","msg" => "No Paydesk ID configured");
		}
		
		if (!extension_loaded("curl")) {
			return array("status" => "ERROR","msg" => "PHP curl extension is missing");
		}
		return array("status" => "OK");
	}
	
	public static function doStartBeleg($pdo,$billid,$billdate) {
		$envStatus = self::checkEnvironment($pdo);
		if ($envStatus["status"] != "OK") {
			return $envStatus;
		}
		$rksvserver = CommonUtils::getConfigValue($pdo, "rksvserver", null);
		$paydeskid = CommonUtils::getConfigValue($pdo, "paydeskid", null);
		
		$myvars = 'paydeskid=' . $paydeskid;
		$myvars .= '&billid=' . $billid;
		$myvars .= '&billdate=' . $billdate;
		$myvars .= '&command=startbeleg';
		
		$ch = curl_init();
		curl_setopt( $ch, CURLOPT_VERBOSE, true);
		curl_setopt( $ch, CURLOPT_URL, $rksvserver);
		curl_setopt( $ch, CURLOPT_POST, 1);
		curl_setopt( $ch, CURLOPT_POSTFIELDS, $myvars);
		curl_setopt( $ch, CURLOPT_FOLLOWLOCATION, 1);
		curl_setopt( $ch, CURLOPT_HEADER, 0);
		curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1);

		try {
			$response = curl_exec($ch);
		} catch (Exception $ex) {
			return array("status" => "ERROR","msg" => "RKSV Server call exception: " . $ex->getMessage());
		}
	}
	
	public static function signBill($pdo,$billid) {
		$envStatus = self::checkEnvironment($pdo);
		if ($envStatus["status"] != "OK") {
			return $envStatus;
		}
		
		$rksvserver = CommonUtils::getConfigValue($pdo, "rksvserver", null);
		$paydeskid = CommonUtils::getConfigValue($pdo, "paydeskid", null);
		
		$sql = "SELECT billdate,brutto FROM %bill% WHERE id=?";
		$billrow = CommonUtils::getRowSqlObject($pdo, $sql, array($billid));
		$billdate = $billrow->billdate;
		
		$sql = "SELECT SUM(price) as sumprice FROM %queue% WHERE billid=? AND taxaustria=?";
		$stmt = $pdo->prepare(DbUtils::substTableAlias($sql));
		
		$stmt->execute(array($billid,self::$TAX_NORMAL));
		$taxnormalsum = $stmt->fetchObject()->sumprice;
		$taxnormalsum = (is_null($taxnormalsum) ? '0.00' : $taxnormalsum);
		
		$stmt->execute(array($billid,self::$TAX_ERM1));
		$taxerm1sum = $stmt->fetchObject()->sumprice;
		$taxerm1sum = (is_null($taxerm1sum) ? '0.00' : $taxerm1sum);
		
		$stmt->execute(array($billid,self::$TAX_ERM2));
		$taxerm2sum = $stmt->fetchObject()->sumprice;
		$taxerm2sum = (is_null($taxerm2sum) ? '0.00' : $taxerm2sum);
		
		$stmt->execute(array($billid,self::$TAX_BESONDERS));
		$taxbessum = $stmt->fetchObject()->sumprice;
		$taxbessum = (is_null($taxbessum) ? '0.00' : $taxbessum);
		
		$myvars = 'paydeskid=' . $paydeskid;
		$myvars .= '&taxnormalsum=' . $taxnormalsum;
		$myvars .= '&taxerm1sum=' . $taxerm1sum;
		$myvars .= '&taxerm2sum=' . $taxerm2sum;
		$myvars .= '&taxbessum=' . $taxbessum;
		$myvars .= '&billid=' . $billid;
		$myvars .= '&billdate=' . $billdate;

		$ch = curl_init();
		curl_setopt( $ch, CURLOPT_VERBOSE, true);
		curl_setopt( $ch, CURLOPT_URL, $rksvserver);
		curl_setopt( $ch, CURLOPT_POST, 1);
		curl_setopt( $ch, CURLOPT_POSTFIELDS, $myvars);
		curl_setopt( $ch, CURLOPT_FOLLOWLOCATION, 1);
		curl_setopt( $ch, CURLOPT_HEADER, 0);
		curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1);

		try {
			$response = curl_exec($ch);
		} catch (Exception $ex) {
			return array("status" => "ERROR","msg" => "RKSV Server call exception: " . $ex->getMessage());
		}
	}
	
	
}