/***************************************************************************
 *   Copyright (c) 2015 Yorik van Havre (yorik@uncreated.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                                *
 *                                                                         *
 ***************************************************************************/

#ifndef IMPEXPDXF_H
#define IMPEXPDXF_H

#include "dxf.h"
#include <Mod/Part/App/TopoShape.h>
#include <App/Document.h>
#include <gp_Pnt.hxx>

class BRepAdaptor_Curve;

namespace Import
{
    class ImportExport ImpExpDxfRead : public CDxfRead
    {
    public:
        ImpExpDxfRead(std::string filepath, App::Document *pcDoc);
    
        // CDxfRead's virtual functions
        void OnReadLine(const double* s, const double* e, bool hidden);
        void OnReadPoint(const double* s);
        void OnReadText(const double* point, const double height, const char* text);
        void OnReadArc(const double* s, const double* e, const double* c, bool dir, bool hidden);
        void OnReadCircle(const double* s, const double* c, bool dir, bool hidden);
        void OnReadEllipse(const double* c, double major_radius, double minor_radius, double rotation, double start_angle, double end_angle, bool dir);
        void OnReadSpline(struct SplineData& sd);
        void OnReadInsert(const double* point, const double* scale, const char* name, double rotation);
        void OnReadDimension(const double* s, const double* e, const double* point, double rotation);
        void AddGraphics() const;
    
        // FreeCAD-specific functions
        void AddObject(Part::TopoShape *shape); //Called by OnRead functions to add Part objects
        std::string Deformat(const char* text); // Removes DXF formatting from texts

        std::string getOptionSource() { return m_optionSource; }
        void setOptionSource(std::string s) { m_optionSource = s; }
        void setOptions(void);

    private:
        gp_Pnt makePoint(const double* p);
        
    protected:
        App::Document *document;
        bool optionGroupLayers;
        bool optionImportAnnotations;
        double optionScaling;
        std::map <std::string, std::vector <Part::TopoShape*> > layers;
        std::string m_optionSource;
    };

    class ImportExport ImpExpDxfWrite : public CDxfWrite
    {
    public:
        ImpExpDxfWrite(std::string filepath);
        ~ImpExpDxfWrite();

        void exportShape(const TopoDS_Shape input);
        std::string getOptionSource() { return m_optionSource; }
        void setOptionSource(std::string s) { m_optionSource = s; }
        void setOptions(void);
        
        void exportText(const char* text, Base::Vector3d position1, Base::Vector3d position2, double size, int just);
        void exportLinearDim(Base::Vector3d textLocn, Base::Vector3d lineLocn, 
                             Base::Vector3d extLine1Start, Base::Vector3d extLine2Start, 
                             char* dimText, int type);
        void exportAngularDim(Base::Vector3d textLocn, Base::Vector3d lineLocn, 
                             Base::Vector3d extLine1Start, Base::Vector3d extLine2Start, 
                             Base::Vector3d apexPoint,
                             char* dimText);
        void exportRadialDim(Base::Vector3d centerPoint, Base::Vector3d textLocn, 
                             Base::Vector3d arcPoint,
                             char* dimText);
        void exportDiametricDim(Base::Vector3d textLocn, 
                             Base::Vector3d arcPoint1, Base::Vector3d arcPoint2,
                             char* dimText);


        static bool gp_PntEqual(gp_Pnt p1, gp_Pnt p2);
        static bool gp_PntCompare(gp_Pnt p1, gp_Pnt p2);

    protected:
        void exportCircle(BRepAdaptor_Curve& c);
        void exportEllipse(BRepAdaptor_Curve& c);
        void exportArc(BRepAdaptor_Curve& c);
        void exportEllipseArc(BRepAdaptor_Curve& c);
        void exportBSpline(BRepAdaptor_Curve& c);
        void exportBCurve(BRepAdaptor_Curve& c);
        void exportLine(BRepAdaptor_Curve& c);
        void exportLWPoly(BRepAdaptor_Curve& c);   //LWPolyline not supported in R12?
        void exportPolyline(BRepAdaptor_Curve& c);

//        std::string m_optionSource;
        double optionMaxLength;
        bool   optionPolyLine;
        bool   optionExpPoints;
    };

}

#endif // IMPEXPDXF_H