/*  xb_ex_v4_upd_dbf.cpp

XBase64 Software Library

Copyright (c) 1997,2003,2014,2022 Gary A Kunkel

The xb64 software library is covered under the terms of the GPL Version 3, 2007 license.

Email Contact:

    XDB-devel@lists.sourceforge.net
    XDB-users@lists.sourceforge.net

    This example demonstrates how to open the DBase III table created by xb_ex_v4_create_dbf
    and apply various updates to the table.

*/

#include <xbase.h>

using namespace xb;

#undef XB_MEMO_FIELDS

int main()
{

#ifdef XB_DBF4_SUPPORT

  xbInt16 fld_FIRSTNAME;
  xbInt16 fld_LASTNAME;
  xbInt16 fld_BIRTHDATE;
  xbInt16 fld_AMOUNT;
  xbInt16 fld_RETIRED;
  xbInt16 fld_ZIPCODE;
  xbInt16 fld_NUMFLD1;
  xbInt16 fld_NUMFLD2;


  #ifdef XB_MEMO_FIELDS
  xbInt16 fld_MEMO1;
  #endif


  /* define the classes */
  xbXBase x;                                       /* initialize xbase             */
  x.SetDataDirectory( PROJECT_DATA_DIR );   /* where all the tables live    */
  x.EnableMsgLogging();
  x.WriteLogMessage( "Program [xb_ex_v4_upd_dbf] initializing..." );


  xbDbf *MyTable = new xbDbf4( &x );                            /* class for table              */

#ifdef XB_INDEX_NDX
  xbNdx MyIndex1( &MyTable );    /* class for index 1 */
#endif

  xbInt16 iRc = 0;
  xbInt16 iErrorStop = 0;

  try{

    if(( iRc = MyTable->Open( "MyV4Table1.DBF" )) != XB_NO_ERROR ){
      iErrorStop = 1;
      throw iRc;
    }

    /* get the field numbers for all the fields in the table */


    fld_FIRSTNAME = MyTable->GetFieldNo( "FIRSTNAME" );
    fld_LASTNAME  = MyTable->GetFieldNo( "LASTNAME" );
    fld_BIRTHDATE = MyTable->GetFieldNo( "BIRTHDATE" );
    fld_AMOUNT    = MyTable->GetFieldNo( "AMOUNT" );
    fld_RETIRED   = MyTable->GetFieldNo( "RETIRED?" );
    fld_ZIPCODE   = MyTable->GetFieldNo( "ZIPCODE" );
    fld_NUMFLD1   = MyTable->GetFieldNo( "NUMFLD1" );
    fld_NUMFLD2   = MyTable->GetFieldNo( "NUMFLD2" );

    #ifdef XB_MEMO_FIELDS
    fld_MEMO1     = MyTable->GetFieldNo( "MEMO1" );
    #endif


    #ifdef XB_MDX_SUPPPORT
    std::cout << "Current tag = [" << MyTable->GetCurTagName() << "]\n";
    #endif

    // Blank the record buffer
    if(( iRc = MyTable->BlankRecord()) != XB_NO_ERROR ){
      iErrorStop = 7;
      throw iRc;
    }

    // put field examples - using field numbers
    if(( iRc = MyTable->PutField( fld_LASTNAME, "JONES" )) != XB_NO_ERROR ){
      iErrorStop = 8;
      throw iRc;
    }

    if(( iRc = MyTable->PutField( fld_FIRSTNAME, "JERRY" )) != XB_NO_ERROR ){
      iErrorStop = 9;
      throw iRc;
    }

    if(( iRc = MyTable->PutField( fld_AMOUNT, "12.35" )) != XB_NO_ERROR ){
      iErrorStop = 10;
      throw iRc;
    }

    if(( iRc = MyTable->PutLogicalField( fld_RETIRED, "Y" )) != XB_NO_ERROR ){
      iErrorStop = 11;
      throw iRc;
    }

    if(( iRc = MyTable->PutField( fld_BIRTHDATE, "19880209" )) != XB_NO_ERROR ){
      iErrorStop = 12;
      throw iRc;
    }

    if(( iRc = MyTable->PutLongField( fld_ZIPCODE, 12345 )) != XB_NO_ERROR ){
      iErrorStop = 13;
      throw iRc;
    }

    // Append the first record
    if(( iRc = MyTable->AppendRecord()) != XB_NO_ERROR ){
      iErrorStop = 15;
      throw iRc;
    }

    // Blank the record buffer
    if(( iRc = MyTable->BlankRecord()) != XB_NO_ERROR ){
      iErrorStop = 16;
      throw iRc;
    }

    // put field to the record buffer using field name (slightly less efficient than using field numbers) 
    if(( iRc = MyTable->PutField( "LASTNAME", "FUCKPUTIN" )) != XB_NO_ERROR ){
      iErrorStop = 20;
      throw iRc;
    }

    if(( iRc = MyTable->PutField( "FIRSTNAME", "ALBERT" )) != XB_NO_ERROR ){
      iErrorStop = 21;
      throw iRc;
    }

    if(( iRc = MyTable->PutField( "AMOUNT", "987.55" )) != XB_NO_ERROR ){
      iErrorStop = 22;
      throw iRc;
    }

    if(( iRc = MyTable->PutLogicalField( "RETIRED?", "N" )) != XB_NO_ERROR ){
      iErrorStop = 23;
      throw iRc;
    }

    if(( iRc = MyTable->PutLongField( "ZIPCODE", 44256 )) != XB_NO_ERROR ){
      iErrorStop = 24;
      throw iRc;
    }

    xbFloat f = (xbFloat) 12345.67;
    std::cout << f << std::endl;

    if(( iRc = MyTable->PutFloatField( fld_NUMFLD1, f )) != XB_NO_ERROR ){
      iErrorStop = 13;
      throw iRc;
    }
    xbDouble d = 76543.21;
    if(( iRc = MyTable->PutDoubleField( fld_NUMFLD2, d )) != XB_NO_ERROR ){
      iErrorStop = 14;
      throw iRc;
    }

    // Append the second record
    if(( iRc = MyTable->AppendRecord()) != XB_NO_ERROR ){
      iErrorStop = 25;
      throw iRc;
    }

    // get a field with a field number
    xbString FirstName;
    if(( iRc = MyTable->GetField( fld_FIRSTNAME, FirstName )) < 0 ){
      iErrorStop = 30;
      throw iRc;
    }
    std::cout << "First Name is [" << FirstName.Str() << "]" << std::endl;

    xbString LastName;
    if(( iRc = MyTable->GetField( "LASTNAME", LastName )) < 0 ){
      iErrorStop = 31;
      throw iRc;
    }
    std::cout << "Last Name is [" << LastName.Str() << "]" << std::endl;

    xbInt16 iNoOfDecimals;
    if(( iRc = MyTable->GetFieldDecimal( "AMOUNT", iNoOfDecimals )) != XB_NO_ERROR ){
      iErrorStop = 32;
      throw iRc;
    }
    std::cout << "There are " << iNoOfDecimals << " decimals in the AMOUNT field" << std::endl;

    xbString FieldName;
    if(( iRc = MyTable->GetFieldName( 4, FieldName )) != XB_NO_ERROR ){
      iErrorStop = 36;
      throw iRc;
    }
    std::cout << "Field #4 name is " << FieldName.Str() << std::endl;

    xbString sRetired;
    if(( iRc = MyTable->GetLogicalField( "RETIRED?", sRetired )) < 0 ){
      iErrorStop = 38;
      throw iRc;
    }
    std::cout << "Switch value = [" << sRetired.Str() << "]" << std::endl;

    xbInt32 lZip;
    if(( iRc = MyTable->GetLongField( "ZIPCODE", lZip )) < 0  ){
      iErrorStop = 39;
      throw iRc;
    }
    std::cout << "Long value = [" << lZip << "]" << std::endl;

    if(( iRc = MyTable->GetFloatField( fld_NUMFLD1, f )) < 0 ){
      iErrorStop = 41;
      throw iRc;
    }
    printf( "Field NUMFLD1 %8.2f\n", f );


    if(( iRc = MyTable->GetDoubleField( fld_NUMFLD2, d )) < 0 ){
      iErrorStop = 42;
      throw iRc;
    }
    printf( "Field NUMFLD2 %8.2f\n", d );


    // Initialize the record buffer in preparation for another record
    if(( iRc = MyTable->BlankRecord()) != XB_NO_ERROR ){
      iErrorStop = 44;
      throw iRc;
    }

    // Append another record (it will be blank)
    if(( iRc = MyTable->AppendRecord()) != XB_NO_ERROR ){
      iErrorStop = 45;
      throw iRc;
    };

    // mark current record for deletion 
    if(( iRc = MyTable->DeleteRecord()) != XB_NO_ERROR ){
      iErrorStop = 50;
      throw iRc;
    };

    // save current record
    if(( iRc = MyTable->PutRecord()) != XB_NO_ERROR ){
      iErrorStop = 51;
      throw iRc;
    }

    if(( iRc = MyTable->Commit()) != XB_NO_ERROR ){
      iErrorStop = 52;
      throw iRc;
    }

    /* Close database and associated indexes */
    if(( iRc = MyTable->Close())   != XB_NO_ERROR ){
      iErrorStop = 53;
      throw iRc;
    }

  }
  catch( xbInt16 iRc ){
    std::cout << "xb_ex_v4_upd_dbf error.  Error stop point = [" << iErrorStop << "] iRc = [" << iRc << "]" << std::endl;
    std::cout << x.GetErrorMessage( iRc ) << std::endl;
  }

#endif    // XB_DBF4_SUPPORT
  return 0;
}