/* Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
*/

#include <ndb_global.h>

#include <NdbOut.hpp>
#include <NdbApi.hpp>
#include <NDBT.hpp>

#include <getarg.h>

int
main(int argc, const char** argv){
  ndb_init();

  const char* _dbname = "TEST_DB";
  int _help = 0;

  struct getargs args[] = {
    { "database", 'd', arg_string, &_dbname, "dbname",
      "Name of database table is in"},
    { "usage", '?', arg_flag, &_help, "Print help", "" }
  };

  int num_args = sizeof(args) / sizeof(args[0]);
  int optind = 0;
  char desc[] =
    "<fkname>+\n"\
    "This program will create one unique hash index named ind_<tabname> "
    " for each table. The index will contain all columns in the table";

  if (getarg(args, num_args, argc, argv, &optind) || _help ||
      argv[optind] == NULL)
  {
    arg_printusage(args, num_args, argv[0], desc);
    return NDBT_ProgramExit(NDBT_WRONGARGS);
  }

  Ndb_cluster_connection con;
  if (con.connect(12, 5, 1) != 0)
  {
    return NDBT_ProgramExit(NDBT_FAILED);
  }

  Ndb MyNdb(&con, _dbname);
  if (MyNdb.init() != 0)
  {
    NDB_ERR(MyNdb.getNdbError());
    return NDBT_ProgramExit(NDBT_FAILED);
  }

  while (MyNdb.waitUntilReady() != 0)
    ndbout << "Waiting for ndb to become ready..." << endl;

  NdbDictionary::Dictionary * dict = MyNdb.getDictionary();

  bool ok = true;
  for (int i = optind; i<argc; i++)
  {
    const char * name = argv[i];
    NdbDictionary::ForeignKey fk;
    if (dict->getForeignKey(fk, name) != 0)
    {
      ndbout << "Failed to retreive foreign key: " << name << endl;
      ok = false;
      continue;
    }

    ndbout << "Dropping foreign key " << name << "..." << flush;
    if (dict->dropForeignKey(fk) == 0)
    {
      ndbout << "OK" << endl;
    }
    else
    {
      ndbout << "ERROR" << endl << dict->getNdbError() << endl;
      ok = false;
    }
  }

  if (ok)
  {
    return NDBT_ProgramExit(NDBT_OK);
  }
  else
  {
    return NDBT_ProgramExit(NDBT_FAILED);
  }
}