/*
 * Copyright (C) 2005-2011 MaNGOS <http://getmangos.com/>
 * Copyright (C) 2009-2011 MaNGOSZero <https://github.com/mangos/zero>
 * Copyright (C) 2011-2016 Nostalrius <https://nostalrius.org>
 * Copyright (C) 2016-2017 Elysium Project <https://github.com/elysium-project>
 *
 * 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; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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 "Config.h"

#include "Policies/SingletonImp.h"

INSTANTIATE_SINGLETON_1(Config);

// Defined here as it must not be exposed to end-users.
bool Config::GetValueHelper(const char* name, ACE_TString &result)
{
 GuardType guard(m_configLock);

 if (!mConf)
 return false;

 ACE_TString section_name;
 ACE_Configuration_Section_Key section_key;
 const ACE_Configuration_Section_Key &root_key = mConf->root_section();

 int i = 0;
 while (mConf->enumerate_sections(root_key, i, section_name) == 0)
 {
 mConf->open_section(root_key, section_name.c_str(), 0, section_key);
 if (mConf->get_string_value(section_key, name, result) == 0)
 return true;
 ++i;
 }

 return false;
}

Config::Config()
: mConf(nullptr)
{
}

Config::~Config()
{
 delete mConf;
}

bool Config::SetSource(const char *file)
{
 mFilename = file;

 return Reload();
}

bool Config::Reload()
{
 delete mConf;
 mConf = new ACE_Configuration_Heap;

 if (mConf->open() != -1)
 {
 ACE_Ini_ImpExp config_importer(*mConf);
 if (config_importer.import_config(mFilename.c_str()) != -1)
 return true;
 }

 delete mConf;
 mConf = nullptr;
 return false;
}

std::string Config::GetStringDefault(const char* name, const char* def)
{
 ACE_TString val;
 return GetValueHelper(name, val) ? val.c_str() : def;
}

bool Config::GetBoolDefault(const char* name, bool def)
{
 ACE_TString val;
 if (!GetValueHelper(name, val))
 return def;

 const char* str = val.c_str();
 if (strcmp(str, "true") == 0 || strcmp(str, "TRUE") == 0 ||
 strcmp(str, "yes") == 0 || strcmp(str, "YES") == 0 ||
 strcmp(str, "1") == 0)
 return true;
 else
 return false;
}


int32 Config::GetIntDefault(const char* name, int32 def)
{
 ACE_TString val;
 return GetValueHelper(name, val) ? atoi(val.c_str()) : def;
}


float Config::GetFloatDefault(const char* name, float def)
{
 ACE_TString val;
 return GetValueHelper(name, val) ? (float)atof(val.c_str()) : def;
}