/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

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/>.

You can contact Cyan Worlds, Inc. by email legal@cyan.com
 or by snail mail at:
      Cyan Worlds, Inc.
      14617 N Newport Hwy
      Mead, WA   99021

*==LICENSE==*/
#ifndef plNetClientGroup_h
#define plNetClientGroup_h

#include "hsStlUtils.h"
#include "pnNetCommon/plNetGroup.h"

//
// represents a collection of net groups.
// abstracted so that we can switch to a different container structure if necessary
//
class plNetClientGroups
{   
    friend class plNetClientMgr;
private:
    struct OwnedGroup
    {
        plNetGroupId fGroup;
        bool fOwnIt;
        
        bool operator<(const OwnedGroup& other) const { return other.fGroup<fGroup; }
        bool operator==(const OwnedGroup& other) const { return (other.fGroup==fGroup && other.fOwnIt==fOwnIt); }
        OwnedGroup(plNetGroupId g, bool o) : fGroup(g),fOwnIt(o) { fGroup.SetDesc(g.GetDesc()); }
        OwnedGroup() : fOwnIt(false) {}
    };
    std::set<OwnedGroup> fGroups;
    
    std::set<OwnedGroup>::iterator IFind(const plNetGroupId& grpId)
    {
        std::set<OwnedGroup>::iterator it=fGroups.begin();
        for( ; it != fGroups.end(); it++)
            if ((*it).fGroup==grpId)
                break;
        return it;
    }
    
    // const version
    std::set<OwnedGroup>::const_iterator IFind(const plNetGroupId& grpId) const
    {
        std::set<OwnedGroup>::const_iterator it=fGroups.begin();
        for( ; it != fGroups.end(); it++)
            if ((*it).fGroup==grpId)
                break;
        return it;
    }

    void ISetGroupDesc(plNetGroupId& grpId);
public:
    void Reset()
    {
        ClearGroups();
        SetGroup(plNetGroup::kNetGroupLocalPlayer, true /*ownit*/);
        SetGroup(plNetGroup::kNetGroupRemotePlayer, false /*ownit*/);
        SetGroup(plNetGroup::kNetGroupLocalPhysicals, true /*ownit*/);
        SetGroup(plNetGroup::kNetGroupRemotePhysicals, false /*ownit*/);
    }
    
    void SetGroup(plNetGroupId& grpId, bool ownIt) 
    { 
        std::set<OwnedGroup>::iterator it=IFind(grpId);
        if (it != fGroups.end())
        {
            OwnedGroup grp(it->fGroup, it->fOwnIt);
            fGroups.erase(it);
            fGroups.insert(grp);
        }
        else
        {
            ISetGroupDesc(grpId);
            fGroups.insert(OwnedGroup(grpId, ownIt));
        }
    }
    
#if 0
    void RemoveGroup(const plNetGroupId& grpId) 
    { 
        std::set<OwnedGroup>::iterator it=IFind(grpId);
        if (it != fGroups.end())
            fGroups.erase(it);
    }
#else
    void ClearGroups()
    {
        fGroups.clear();
    }
#endif
    int IsGroupLocal(const plNetGroupId& grpId) const
    { 
        std::set<OwnedGroup>::const_iterator it=IFind(grpId);
        if (it != fGroups.end())
        {
            if ((*it).fOwnIt) 
                return 1;   // yes
            return 0;       // no
        }
        return -1;          // don't know about it
    }
};



#endif  //  plNetClientGroup_h