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import 'dart:ffi';
import 'dart:io';
import 'package:ffi/ffi.dart';
import 'package:path/path.dart' as path;
class MidtransTransaction extends Struct {
external Pointer<Utf8> order_id;
@Long()
external long gross_amount;
}
class MidtransBanktransfer extends Struct {
external Pointer<Utf8> bank;
external Pointer<Utf8> va_number;
external Pointer<Utf8> bca;
external Pointer<Utf8> permata;
}
class Midtrans {
final DynamicLibrary dylib;
Midtrans(String apiKey, String caInfo) {
dylib = Platform.isAndroid
? DynamicLibrary.open('libmidtrans.so')
: DynamicLibrary.process();
final apiKeyUtf8 = apiKey.toNativeUtf8();
final caInfoUtf8 = caInfo.toNativeUtf8();
final midtrans_init = dylib.lookupFunction
<Void Function(Pointer<Utf8>, Pointer<Utf8>),
void Function(Pointer<Utf8>, Pointer<Utf8>)>
('midtrans_init');
midtrans_init(apiKeyUtf8, caInfoUtf8);
calloc.free(apiKeyUtf8);
calloc.free(caInfoUtf8);
}
void charge<T extends Struct>(Pointer<T> payment,
Pointer<MidtransTransaction> transaction,
Array<Pointer<Utf8>> customFields) {
if (payment is MidtransBanktransfer) {
final midtrans_charge = dylib.lookupFunction
<Void Function(Pointer<MidtransBanktransfer>,
Pointer<MidtransTransaction>,
Array<Pointer<Utf8>>),
void Function(Pointer<MidtransBanktransfer>,
Pointer<MidtransTransaction>,
Array<Pointer<Utf8>>)>
('midtrans_charge_banktransfer');
midtrans_charge(payment, transaction, customFields);
calloc.free((payment as MidtransBanktransfer).bank);
if ((payment as MidtransBanktransfer).va_number
!= null) {
calloc.free((payment as MidtransBanktransfer)
.va_number);
}
if ((payment as MidtransBanktransfer).bca != null) {
calloc.free((payment as MidtransBanktransfer)
.bca);
}
if ((payment as MidtransBanktransfer).permata != null) {
calloc.free((payment as MidtransBanktransfer)
.permata);
}
}
calloc.free(transaction.order_id);
for (var i = 0; i < 6; i++) {
if (customFields[i] != null) {
calloc.free(customFields[i]);
}
}
}
void cleanup() {
final midtrans_cleanup = dylib.lookupFunction<Void Function(),
void Function()>('midtrans_cleanup');
midtrans_cleanup();
}
}
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