import jcifs.internal.util.SMBUtil;

/**
 * SMB1 Seek command response implementation.
 * Handles server responses to file seek operations, returning the new file
 * position after a seek request in SMB1 protocol file operations.
 *
 * @author mbechler
 */
public class SmbComSeekResponse extends ServerMessageBlock {

    private long offset;

    /**
     * Constructs a seek response.
     *

    /**
     * Current position in file
     *
     * @return current position
     */
    long getFilePointer();

    /**
     * Seek to new position
     *
     * @param pos the new position to seek to
     */
    void seek(long pos);

    /**
     * Get the current file length
     *
     * @return file length
     * @throws SmbException if an I/O error occurs
     */

     */
    public void setFid(final int fid) {
        this.fid = fid;
    }

    /**
     * Sets the seek mode.
     *
     * @param mode
     *            the mode to set
     */
    public final void setMode(final int mode) {
        this.mode = mode;
    }

    /**
     * Sets the seek offset.
     *
     * @param offset
     *            the offset to set
     */

        long newPosition = 100L;
        smbRandomAccessFile.seek(newPosition);
        assertEquals(newPosition, smbRandomAccessFile.getFilePointer());
    }

    @Test
    void testSeekNegativePosition() throws SmbException {
        // seek doesn't throw exception for negative position, it just sets it
        smbRandomAccessFile.seek(-1);
        assertEquals(-1, smbRandomAccessFile.getFilePointer());
    }

      sinkBuffer.write(maskKey)

      if (length > 0) {
        val payloadStart = sinkBuffer.size
        sinkBuffer.write(payload)

        sinkBuffer.readAndWriteUnsafe(maskCursor!!)
        maskCursor.seek(payloadStart)
        toggleMask(maskCursor, maskKey)
        maskCursor.close()
      }
    } else {
      sinkBuffer.writeByte(b1)
      sinkBuffer.write(payload)
    }

    sink.flush()
  }

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    if (frameLength > 0L) {
      source.readFully(controlFrameBuffer, frameLength)

      if (!isClient) {
        controlFrameBuffer.readAndWriteUnsafe(maskCursor!!)
        maskCursor.seek(0)
        toggleMask(maskCursor, maskKey!!)
        maskCursor.close()
      }
    }

    when (opcode) {
      OPCODE_CONTROL_PING -> {

        return this.lastWriteTime;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.SmbBasicFileInfo#getCreateTime()
     */
    @Override
    public long getCreateTime() {
        return 0;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.SmbBasicFileInfo#getLastAccessTime()
     */
    @Override
    public long getLastAccessTime() {

        assertEquals(0, raf.skipBytes(-3));
    }

    @Test
    @DisplayName("seek() and getFilePointer(): set and get position")
    void seek_and_getFilePointer() throws Exception {
        SmbRandomAccessFile raf = newInstance("r", false, false, false);
        raf.seek(123L);
        assertEquals(123L, raf.getFilePointer());
    }

    @Test

    }

    /**
     * Sets the file pointer to the specified position.
     *
     * @param pos the new file pointer position
     * @throws SmbException if an I/O error occurs
     */
    public void seek(final long pos) throws SmbException {
        fp = pos;
    }

    /**
     * Returns the length of the file.
     *
     * @return the file length in bytes