#ifndef __TREEITEM_H__
#define __TREEITEM_H__

#include "boost/smart_ptr.hpp"
#include <vector>
#include <string>
#include "debug.h"

#include "atlbase.h"    // must be before atlapp.h
#include "atlapp.h"     // must be before atlctrls.h
#include "atlctrls.h"

#include "treeitem.h"
#include "typeinfo.h"
#include "cinfomap.h"

class TreeItem;
typedef boost::shared_ptr<TreeItem>  TreeItemPtr;
typedef std::vector<TreeItemPtr> ItemList;

class TreeItem {
private:
    bool _bPopulated;
    CTreeItem _item;
    ItemList children;
    Pointer _ptr;
    Value _value;
    const FieldInfo& _field;
public:
    TreeItem(CTreeViewCtrlEx *pTree, TreeItem *pParent, const FieldInfo& field, Pointer ptr)
        : 
        _bPopulated(false),
        _ptr(ptr),
        _value(field.readvalue(ptr)),
        _field(field)
    {
        std::string text;
		TVINSERTSTRUCT tvis = { 0 };
        tvis.hParent= pParent ? *pParent : TVI_ROOT;
        tvis.hInsertAfter= TVI_ROOT;
        tvis.item.mask= TVIF_TEXT|TVIF_PARAM|TVIF_CHILDREN;
        tvis.item.lParam= (LPARAM)this;
        text= _field.type->summary(_ptr, _value);
        tvis.item.cChildren= _field.type->fields.empty() ? 0 : 1;
        tvis.item.pszText= const_cast<char*>(text.c_str());

//        debug("name=%s type=%s fields=e:%d  n:%d   c=%d   '%s'\n", 
//                _field.name.c_str(), _field.type->name.c_str(), 
//                typeinfomap[_field.type]->fields.empty(), typeinfomap[_field.type]->fields.size(), tvis.item.cChildren,
//                tvis.item.pszText);
        _item=pTree->InsertItem(&tvis);
        debug("created item %08lx -> h=%08lx  ht=%08lx\n", this, _item.m_hTreeItem, (HTREEITEM)*this);
    }

	operator HTREEITEM() { return _item.m_hTreeItem; }

    void populate()
    {
        debug("populating %08lx p%d h=%08lx  ht=%08lx\n", this, _bPopulated, _item.m_hTreeItem, (HTREEITEM)*this);
        if (_bPopulated)
            return;
        debug("populating type %s  n=%d\n", _field.type->name.c_str(), _field.type->fields.size());
        for (FieldInfoMap::iterator i= _field.type->fields.begin() ; i!=_field.type->fields.end() ; ++i) {
            children.push_back(TreeItemPtr(new TreeItem(_item.m_pTreeView, this, *(*i).second, _ptr+(*i).first)));
            // TODO:  change 'first'  into readdword(_ptr+first)
        }
		debug("populate done\n");
        _bPopulated= true;
    }
};
#endif