/***************************************************************************
 *   Copyright (c) 2010 Werner Mayer <wmayer[at]users.sourceforge.net>     *
 *                                                                         *
 *   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                                *
 *                                                                         *
 ***************************************************************************/


#include "PreCompiled.h"
#ifndef _PreComp_
# include <BRepFilletAPI_MakeChamfer.hxx>
# include <TopExp.hxx>
# include <TopExp_Explorer.hxx>
# include <TopoDS.hxx>
# include <TopoDS_Edge.hxx>
# include <TopTools_ListOfShape.hxx>
# include <TopTools_IndexedMapOfShape.hxx>
# include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
#endif


#include "FeatureChamfer.h"


using namespace Part;


PROPERTY_SOURCE(Part::Chamfer, Part::FilletBase)

Chamfer::Chamfer()
{
}

App::DocumentObjectExecReturn *Chamfer::execute(void)
{
    App::DocumentObject* link = Base.getValue();
    if (!link)
        return new App::DocumentObjectExecReturn("No object linked");

    try {
        auto baseShape = Feature::getShape(link);
        BRepFilletAPI_MakeChamfer mkChamfer(baseShape);
        TopTools_IndexedMapOfShape mapOfEdges;
        TopTools_IndexedDataMapOfShapeListOfShape mapEdgeFace;
        TopExp::MapShapesAndAncestors(baseShape, TopAbs_EDGE, TopAbs_FACE, mapEdgeFace);
        TopExp::MapShapes(baseShape, TopAbs_EDGE, mapOfEdges);

        std::vector<FilletElement> values = Edges.getValues();
        for (std::vector<FilletElement>::iterator it = values.begin(); it != values.end(); ++it) {
            int id = it->edgeid;
            double radius1 = it->radius1;
            double radius2 = it->radius2;
            const TopoDS_Edge& edge = TopoDS::Edge(mapOfEdges.FindKey(id));
            const TopoDS_Face& face = TopoDS::Face(mapEdgeFace.FindFromKey(edge).First());
            mkChamfer.Add(radius1, radius2, edge, face);
        }

        TopoDS_Shape shape = mkChamfer.Shape();
        if (shape.IsNull())
            return new App::DocumentObjectExecReturn("Resulting shape is null");

        //shapefix re #4285
        //https://www.forum.freecadweb.org/viewtopic.php?f=3&t=43890&sid=dae2fa6fda71670863a103b42739e47f
        TopoShape* ts = new TopoShape(shape);
        double minTol = 2.0 * Precision::Confusion();
        double maxTol = 4.0 * Precision::Confusion();
        bool rc = ts->fix(Precision::Confusion(), minTol, maxTol);
        if (rc) {
            shape = ts->getShape();
        }
        delete ts;

        ShapeHistory history = buildHistory(mkChamfer, TopAbs_FACE, shape, baseShape);
        this->Shape.setValue(shape);

        // make sure the 'PropertyShapeHistory' is not safed in undo/redo (#0001889)
        PropertyShapeHistory prop;
        prop.setValue(history);
        prop.setContainer(this);
        prop.touch();

        return App::DocumentObject::StdReturn;
    }
    catch (Standard_Failure& e) {
        return new App::DocumentObjectExecReturn(e.GetMessageString());
    }
}