/*
 * UserBackendMysql.h
 *
 * Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.de>
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */

#ifndef MAD_MODULES_USERBACKENDMYSQL_H_
#define MAD_MODULES_USERBACKENDMYSQL_H_

#include <Server/UserBackend.h>
#include <Server/UserManager.h>
#include <Common/Configurable.h>

#include <mysql/mysql.h>


namespace Mad {
namespace Modules {

class UserBackendMysql : public Server::UserBackend, private Common::Configurable {
  private:
    static boost::shared_ptr<UserBackendMysql> backend;

    std::string host, username, passwd, db, unixSocket;
    uint16_t port;

    std::string queryListUsers, queryListGroups;
    std::string queryListUserGroups, queryListGroupUsers;
    std::string queryUserById, queryUserByName;
    std::string queryGroupById, queryGroupByName;

    MYSQL *mysql;

    UserBackendMysql() : port(0), mysql(0) {}

  protected:
    virtual bool handleConfigEntry(const Common::ConfigEntry &entry, bool);
    virtual void configFinished();

    virtual boost::shared_ptr<std::map<unsigned long, Common::UserInfo> > getUserList() throw(Net::Exception);
    virtual boost::shared_ptr<Common::UserInfo> getUserInfo(unsigned long uid) throw(Net::Exception);

    virtual boost::shared_ptr<std::map<unsigned long, Common::GroupInfo> > getGroupList() throw(Net::Exception);

  public:
    virtual ~UserBackendMysql() {
      if(mysql) {
        mysql_close(mysql);
        mysql = 0;
      }
    }

    static void registerBackend();
    static void unregisterBackend();
};

}
}

#endif /* MAD_MODULES_USERBACKENDMYSQL_H_ */