#import "Attachments.h"

#ifdef BUCK

#import <MTProtoKit/MTProtoKit.h>

#else

#import <MTProtoKitDynamic/MTProtoKitDynamic.h>

#endif

#import "Api.h"

id _Nullable parseAttachment(NSData * _Nonnull data) {

if (data.length < 4) {

return nil;

}

MTInputStream *inputStream = [[MTInputStream alloc] initWithData:data];

int32_t signature = [inputStream readInt32];

NSData *dataToParse = nil;

if (signature == 0x3072cfa1) {

NSData *bytes = [inputStream readBytes];

if (bytes != nil) {

dataToParse = [MTGzip decompress:bytes];

}

} else {

dataToParse = data;

}

if (dataToParse == nil) {

return nil;

}

return [Api1__Environment parseObject:dataToParse];

}