import jcifs.internal.util.SMBUtil;
import jcifs.util.Hexdump;

/**
 * Trans2 FindNext2 request message for SMB1 directory enumeration continuation.
 * This class implements the TRANS2_FIND_NEXT2 transaction to retrieve subsequent
 * directory entries after a Trans2FindFirst2 request, supporting large directory listings.
 */
public class Trans2FindNext2 extends SmbComTransaction {

        // Then
        assertEquals(ServerMessageBlock.SMB_COM_TRANSACTION2, next.command, "Command must be SMB_COM_TRANSACTION2");
        assertEquals(SmbComTransaction.TRANS2_FIND_NEXT2, next.subCommand, "Sub-command must be TRANS2_FIND_NEXT2");
        assertEquals(8, next.maxParameterCount, "Max parameter count should be 8");
        assertEquals(Trans2FindFirst2.LIST_SIZE, next.maxDataCount, "Max data count should use LIST_SIZE");

        assertNotNull(trans2FindNext2);
        assertEquals(ServerMessageBlock.SMB_COM_TRANSACTION2, trans2FindNext2.getCommand());
        assertEquals(SmbComTransaction.TRANS2_FIND_NEXT2, trans2FindNext2.getSubCommand());
        // maxParameterCount, maxDataCount, and maxSetupCount are protected fields
        // Their values are verified through the wire format methods
    }

    @Test

        this.sid = sid;
        this.resumeKey = resumeKey;
        this.filename = filename;
        command = SMB_COM_TRANSACTION2;
        subCommand = TRANS2_FIND_NEXT2;
        informationLevel = Trans2FindFirst2.SMB_FILE_BOTH_DIRECTORY_INFO;
        flags = 0x00;
        maxParameterCount = 8;
        maxDataCount = Trans2FindFirst2.LIST_SIZE;
        maxSetupCount = 0;
    }

        assertEquals(4, response.lastNameOffset);
    }

    @Test
    void testReadParametersWireFormat_FindNext2() {
        // In FindNext2, sid is not read
        response.subCommand = SmbComTransaction.TRANS2_FIND_NEXT2;
        byte[] buffer = new byte[8];
        // numEntries = 2
        writeInt2(2, buffer, 0);
        // isEndOfSearch = false
        buffer[2] = 0x00;
        buffer[3] = 0x00;

    }

    @Test
    void testReadParametersWireFormat_NotFindFirst() {
        // Test reading parameters when subcommand is not TRANS2_FIND_FIRST2
        response.setSubCommand(SmbComTransaction.TRANS2_FIND_NEXT2);

        byte[] buffer = new byte[20];
        // numEntries (2 bytes) - sid is skipped for FIND_NEXT
        buffer[0] = 0x03;
        buffer[1] = 0x00;
        // isEndOfSearch (2 bytes)

    void testSubcommandConstants() {
        // Test Trans2 subcommands
        assertEquals((byte) 0x01, SmbComTransaction.TRANS2_FIND_FIRST2);
        assertEquals((byte) 0x02, SmbComTransaction.TRANS2_FIND_NEXT2);
        assertEquals((byte) 0x03, SmbComTransaction.TRANS2_QUERY_FS_INFORMATION);
        assertEquals((byte) 0x05, SmbComTransaction.TRANS2_QUERY_PATH_INFORMATION);

    @DisplayName("Test sub-command constants")
    void testSubCommandConstants() {
        assertEquals((short) 0x0001, SmbComTransaction.TRANS2_FIND_FIRST2);
        assertEquals((short) 0x0002, SmbComTransaction.TRANS2_FIND_NEXT2);
        assertEquals((short) 0x0003, SmbComTransaction.TRANS2_QUERY_FS_INFORMATION);
        assertEquals((short) 0x0005, SmbComTransaction.TRANS2_QUERY_PATH_INFORMATION);

                doClose();
                return null;
            }
            throw e;
        }

        this.response.setSubCommand(SmbComTransaction.TRANS2_FIND_NEXT2);
        final FileEntry n = advance(false);
        if (n == null) {
            doClose();
        }
        return n;
    }

    /**
     * {@inheritDoc}
     *

    private int bufParameterOffset;
    private int bufDataOffset;

    static final int TRANSACTION_BUF_SIZE = 0xFFFF;

    static final byte TRANS2_FIND_FIRST2 = (byte) 0x01;
    static final byte TRANS2_FIND_NEXT2 = (byte) 0x02;
    static final byte TRANS2_QUERY_FS_INFORMATION = (byte) 0x03;
    static final byte TRANS2_QUERY_PATH_INFORMATION = (byte) 0x05;
    static final byte TRANS2_GET_DFS_REFERRAL = (byte) 0x10;