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/*
 * UserManager.h
 *
 * Copyright (C) 2009 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_CORE_USERMANAGER_H_
#define MAD_CORE_USERMANAGER_H_

#include <Common/UserInfo.h>

#include <map>
#include <set>

#include <sigc++/slot.h>

namespace Mad {
namespace Core {

class UserBackend;

class UserManager {
  private:
    struct Compare {
      bool operator() (const UserBackend *b1, const UserBackend *b2);
    };

    static UserManager userManager;

    std::set<UserBackend*, Compare> backends;

    UserManager() {}

  public:
    void registerBackend(UserBackend *backend) {
      backends.insert(backend);
    }

    void unregisterBackend(UserBackend *backend) {
      backends.erase(backend);
    }


    bool getUserList(const sigc::slot<void, const std::map<unsigned long, Common::UserInfo>& > &callback);
    bool getUserInfo(unsigned long uid, const sigc::slot<void, const Common::UserInfo&> &callback);

    bool setPassword(unsigned long uid, const std::string &password, const sigc::slot<void, bool> &callback);

    bool addUser(const Common::UserInfo &userInfo, const sigc::slot<void, bool> &callback);


    static UserManager *get() {
      return &userManager;
    }
};

}
}

#endif /* MAD_CORE_USERMANAGER_H_ */