<?php
//catch from gateway
$_POST = json_decode(file_get_contents("php://input"), 1);


if( $_SERVER['REQUEST_METHOD'] == 'POST' ){
if( isset( $_POST['MerchantID'] ) AND isset( $_POST['TransactionID'] ) AND isset( $_POST['TransactionReffID'] ) AND isset( $_POST['Signature'] ) ){


//VALIDATE MERCHANT ID
//Sengaja dibuat sama biar fokus pada flag status
if( $_POST['MerchantID'] == $_POST['MerchantID'] ){

$orders = $_POST['TransactionID'];
if( $orders AND $_POST['TransactionID'] ){

if( $orders == $_POST['TransactionID'] ){

$sakukuOrder = $_POST['TransactionID'];
if( $sakukuOrder ){
$str = $_SESSION["AccTok"].$_SESSION["TransID"].$_SESSION["AMOUT"].$_SESSION["PayID"];

$validate = strtoupper( hash('sha256', $str) );

if( $_POST['Signature'] == $_POST['Signature']){

//Cuma sukses pada case Success tapi case lainnya gagal

generateOutput( 0, "00" );

}else{
generateOutput( 1, "01" );
}

}else{

generateOutput( 1, "01" );
}
}else{
generateOutput( 1, "01" );
}
}
}else{
generateOutput( 1, "01" );
}
}else{
generateOutput( 1, "01" );
}
}

//Generate Flag Status
function generateOutput( $rs, $status ){

$reason = array(
"Indonesian" => array("Sukses","Transaksi tidak dapat diproses.","Transaksi sudah dibayar."),
"English" => array("Success","Transaction cannot be processed.","Transaction has been paid."),
);

$output = array(
"MerchantID" => ( !isset( $_POST['MerchantID'] ) ) ? '' : $_POST['MerchantID'],
"TransactionID" => ( !isset( $_POST['TransactionID'] ) ) ? '' : $_POST['TransactionID'],
"FlagStatus" => "01",
"ReasonStatus" => array( "Indonesian" => "", "English" => "" )
);

$output['FlagStatus'] = $status;
$output['ReasonStatus']['Indonesian'] = $reason['Indonesian'][ $rs ];
$output['ReasonStatus']['English'] = $reason['English'][ $rs ];
echo json_encode($output);
}


?>