import jcifs.internal.smb2.io.Smb2ReadRequest;
import jcifs.internal.smb2.io.Smb2ReadResponse;
import jcifs.util.transport.TransportException;

/**
 * This InputStream can read bytes from a file on an SMB file server. Offsets are 64 bits.
 */
public class SmbFileInputStream extends InputStream {

    private static final Logger log = LoggerFactory.getLogger(SmbFileInputStream.class);

    private SmbFileHandleImpl handle;

	buf        []byte          // Holds bit-rot verified data
}

func (b *wholeBitrotReader) ReadAt(buf []byte, offset int64) (n int, err error) {
	if b.buf == nil {
		b.buf = make([]byte, b.tillOffset-offset)
		if _, err := b.disk.ReadFile(context.TODO(), b.volume, b.filePath, offset, b.buf, b.verifier); err != nil {
			return 0, err
		}
	}

        bufferIndex += 4;

        // Write comment offset (4 bytes)
        int commentOffset = serverNameSize + versionSize + typeSize + offsetSize;
        SMBUtil.writeInt4(commentOffset, buffer, bufferIndex);
        bufferIndex += 4;

        // Write comment at the calculated offset
        byte[] commentBytes = comment.getBytes(StandardCharsets.US_ASCII);

    private final transient @Nullable Object[] alternatingKeysAndValues;
    private final transient int offset;
    private final transient int size;

    KeysOrValuesAsList(@Nullable Object[] alternatingKeysAndValues, int offset, int size) {
      this.alternatingKeysAndValues = alternatingKeysAndValues;
      this.offset = offset;
      this.size = size;
    }

    @Override
    public Object get(int index) {

        bufferIndex += 2;
        final int ownerUOffset = SMBUtil.readInt4(buffer, bufferIndex); // offset to owner sid
        bufferIndex += 4;
        final int ownerGOffset = SMBUtil.readInt4(buffer, bufferIndex); // offset to group sid
        bufferIndex += 4;
        SMBUtil.readInt4(buffer, bufferIndex); // offset to sacl
        bufferIndex += 4;
        final int daclOffset = SMBUtil.readInt4(buffer, bufferIndex);

                    final int pos = text.indexOf(term, offset);
                    if (pos > 0) {
                        final String tmp = text.substring(offset, pos);
                        readingBuf.append(transliterator.transliterate(tmp));
                        offset = pos;
                    } else if (pos == -1) {
                        continue;
                    }

            int offset = 64;
            writeSecurityBuffer(type3, 12, offset, lmResponse);
            offset += lmLength;
            writeSecurityBuffer(type3, 20, offset, ntResponse);
            offset += ntLength;
            writeSecurityBuffer(type3, 28, offset, domain);
            offset += domainLength;
            writeSecurityBuffer(type3, 36, offset, user);
            offset += userLength;

        // toString() uses lastWriteTime directly without offset
        assertTrue(resp.toString().contains(new Date(1630000000000L).toString()));
    }

    // Buffer helpers to build SMB basic file info wire format.
    // SMB uses little-endian byte order
    private static void writeLong(byte[] buf, int offset, long val) {
        for (int i = 0; i < 8; i++) {
            buf[offset + i] = (byte) ((val >>> (8 * i)) & 0xFF);
        }
    }

        if (protwordsItemList == null) {
            reload(null);
        }

        if (offset >= protwordsItemList.size() || offset < 0) {
            return new PagingList<>(Collections.<ProtwordsItem> emptyList(), offset, size, protwordsItemList.size());
        }

        int toIndex = offset + size;
        if (toIndex > protwordsItemList.size()) {

    }

    @Test
    @DisplayName("Test decode with buffer offset")
    void testDecodeWithBufferOffset() throws SMBProtocolDecodingException {
        // Prepare test data with offset
        int offset = 10;
        String expectedFilename = "offsetfile.txt";
        byte[] buffer = new byte[200 + offset];
        byte[] dataBuffer = createValidBuffer(expectedFilename, "OFFSET~1.TXT", true);