/******************************************************************************
 *   Copyright (c) 2012 Konstantinos Poulios <logari81@gmail.com>             *
 *                                                                            *
 *   This file is part of the FreeCAD CAx development system.                 *
 *                                                                            *
 *   This library is free software; you can redistribute it and/or            *
 *   modify it under the terms of the GNU Library General Public              *
 *   License as published by the Free Software Foundation; either             *
 *   version 2 of the License, or (at your option) any later version.         *
 *                                                                            *
 *   This library  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 Library General Public License for more details.                     *
 *                                                                            *
 *   You should have received a copy of the GNU Library General Public        *
 *   License along with this library; see the file COPYING.LIB. If not,       *
 *   write to the Free Software Foundation, Inc., 59 Temple Place,            *
 *   Suite 330, Boston, MA  02111-1307, USA                                   *
 *                                                                            *
 ******************************************************************************/


#ifndef GUI_ReferenceSelection_H
#define GUI_ReferenceSelection_H

#include <Gui/Selection/SelectionFilter.h>
#include <Mod/PartDesign/Gui/EnumFlags.h>

namespace App
{
class OriginGroupExtension;
}
namespace PartDesign
{
class Body;
}
namespace PartDesignGui
{

class ReferenceSelection: public Gui::SelectionFilterGate
{
    const App::DocumentObject* support;
    AllowSelectionFlags type;

public:
    ReferenceSelection(const App::DocumentObject* support_, AllowSelectionFlags type)
        : Gui::SelectionFilterGate(nullPointer())
        , support(support_)
        , type(type)
    {}
    /**
     * Allow the user to pick only edges or faces (or both) from the defined support
     * Optionally restrict the selection to planar edges/faces
     */
    bool allow(App::Document* pDoc, App::DocumentObject* pObj, const char* sSubName) override;

private:
    PartDesign::Body* getBody() const;
    App::OriginGroupExtension* getOriginGroupExtension(PartDesign::Body* body) const;
    bool allowOrigin(
        PartDesign::Body* body,
        App::OriginGroupExtension* originGroup,
        App::DocumentObject* pObj
    ) const;
    bool allowDatum(PartDesign::Body* body, App::DocumentObject* pObj) const;
    bool allowPartFeature(App::DocumentObject* pObj, const char* sSubName) const;
    bool isEdge(App::DocumentObject* pObj, const char* sSubName) const;
    bool isFace(App::DocumentObject* pObj, const char* sSubName) const;
    bool isCircle(App::DocumentObject* pObj, const char* sSubName) const;
};

class NoDependentsSelection: public Gui::SelectionFilterGate
{
    const App::DocumentObject* support;

public:
    NoDependentsSelection(const App::DocumentObject* support_)
        : Gui::SelectionFilterGate(nullPointer())
        , support(support_)
    {}
    /**
     * Allow the user to pick only objects which are not in objs getDependencyList
     */
    bool allow(App::Document* pDoc, App::DocumentObject* pObj, const char* sSubName) override;
};

class CombineSelectionFilterGates: public Gui::SelectionFilterGate
{
    std::unique_ptr<Gui::SelectionFilterGate> filter1;
    std::unique_ptr<Gui::SelectionFilterGate> filter2;

public:
    CombineSelectionFilterGates(
        std::unique_ptr<Gui::SelectionFilterGate>& filter1_,
        std::unique_ptr<Gui::SelectionFilterGate>& filter2_
    )
        : Gui::SelectionFilterGate(nullPointer())
        , filter1(std::move(filter1_))
        , filter2(std::move(filter2_))
    {}
    bool allow(App::Document* pDoc, App::DocumentObject* pObj, const char* sSubName) override;
};
// Convenience methods
/// Extract reference from Selection
bool getReferencedSelection(
    const App::DocumentObject* thisObj,
    const Gui::SelectionChanges& msg,
    App::DocumentObject*& selObj,
    std::vector<std::string>& selSub
);
/// Return reference as string for UI elements (format <obj>:<subelement>
QString getRefStr(const App::DocumentObject* obj, const std::vector<std::string>& sub);
/// Return reference as string for python in the format (<obj> ["sub1", "sub2", ...])
std::string buildLinkSubPythonStr(const App::DocumentObject* obj, const std::vector<std::string>& subs);
/// Return reference as string for python in the format (<obj> ["sub"?])
std::string buildLinkSingleSubPythonStr(
    const App::DocumentObject* obj,
    const std::vector<std::string>& subs
);
/// Return reference as string for python in the format [obj1, obj2, ...,]
std::string buildLinkListPythonStr(const std::vector<App::DocumentObject*>& objs);
/// Returns sub reference list as a python string in the format [(obj1,"sub1"),(obj2,"sub2"),...]
std::string buildLinkSubListPythonStr(
    const std::vector<App::DocumentObject*>& objs,
    const std::vector<std::string>& subs
);
}  // namespace PartDesignGui

#endif  // GUI_ReferenceSelection_H