/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
 *            configurationparser.cc
 *
 *  Wed Jul 30 11:48:31 CEST 2008
 *  Copyright 2008 Bent Bisballe Nyeng
 *  deva@aasimon.org
 ****************************************************************************/

/*
 *  This file is part of Pracro.
 *
 *  Pracro 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; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  Pracro 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 Pracro; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
 */
#include "configurationparser.h"

#include "configuration.h"

ConfigurationParser::ConfigurationParser(std::string filename)
{
  this->filename = filename;

  reload();
}

void ConfigurationParser::reload()
  throw(ConfigurationParserException)
{
  try {
    readFile(this->filename.c_str());
  } catch(libconfig::FileIOException) {
    throw ConfigurationParserException("Could not read config file: File does not exist.");
  } catch(libconfig::ParseException &e) {
    char lineno[32];
    sprintf(lineno, "%d", e.getLine());
    throw ConfigurationParserException(std::string("Error when parsing the config file in line ")
                                 + lineno + ": " + e.getError());
  }

  // Set internal values
  try {
    int p = lookup("server_port");
    Conf::server_port = p;
  } catch( ... ) {
  }

  try {
    std::string u = lookup("server_user");
    Conf::server_user = u;
  } catch( ... ) {
  }

  try {
    std::string g = lookup("server_group");
    Conf::server_group = g;
  } catch( ... ) {
  }

  try {
    std::string a = lookup("journal_commit_addr");
    Conf::journal_commit_addr = a;
  } catch( ... ) {
  }

  try {
    int p = lookup("journal_commit_port");
    Conf::journal_commit_port = p;
  } catch( ... ) {
  }
  
  try {
    int t = lookup("db_max_ttl");
    Conf::db_max_ttl = t;
  } catch( ... ) {
  }

  try {
    int t = lookup("pentominos_max_ttl");
    Conf::pentominos_max_ttl = t;
  } catch( ... ) {
  }

  try {
    std::string a = lookup("pentominos_addr");
    Conf::pentominos_addr = a;
  } catch( ... ) {
  }

  try {
    int p = lookup("pentominos_port");
    Conf::pentominos_port = p;
  } catch( ... ) {
  }

  try {
    std::string a = lookup("database_addr");
    Conf::database_addr = a;
  } catch( ... ) {
  }

  try {
    std::string u = lookup("database_user");
    Conf::database_user = u;
  } catch( ... ) {
  }

  try {
    std::string p = lookup("database_passwd");
    Conf::database_passwd = p;
  } catch( ... ) {
  }

  try {
    std::string p = lookup("xml_basedir");
    Conf::xml_basedir = p;
  } catch( ... ) {
  }
}

#ifdef TEST_CONFIGURATIONPARSER

#define CONFFILE "/tmp/configurationparser.conf"

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include <stdio.h>
#include <memory.h>

static char conf[] = 
"a = 1;\n"
"b = \"hello\";\n"
"c = true;\n"
;

static char confbad[] = 
"a = 1;\n"
"b = \"hello\"\n"
"c = true;\n"
;

int main()
{
  FILE *fp = fopen(CONFFILE, "w");
  if(!fp) {
    printf("Could not write to %s\n", CONFFILE);
    return 1;
  }
  fprintf(fp, conf);
  fclose(fp);
  try {
    ConfigurationParser parser(CONFFILE);
  } catch(Exception &e) {
    printf("%s\n", e.what());
    return 1;
  }

  fp = fopen(CONFFILE, "w");
  if(!fp) {
    printf("Could not write to %s\n", CONFFILE);
    return 1;
  }
  fprintf(fp, confbad);
  fclose(fp);
  try {
    ConfigurationParser parser(CONFFILE);
  } catch(Exception &e) {
    printf("%s\n", e.what());
    goto on;
  }
  return 1;
 on:

  unlink(CONFFILE);

  return 0;
}

#endif/*TEST_CONFIGURATIONPARSER*/