/***************************************************************************
 *   Copyright (c) 2022 WandererFan <wandererfan@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 TECHDRAW_DIMENSIONVALIDATORS_H
#define TECHDRAW_DIMENSIONVALIDATORS_H

#include <Mod/TechDraw/TechDrawGlobal.h>
#include <Mod/TechDraw/App/DrawViewDimension.h>


namespace App
{
class Document;
class DocumentObject;
}

using StringVector = std::vector<std::string>;
using GeomCount = std::pair<std::string, int>;           //geometry descriptor ("Edge") + counter pair
using GeomCountVector = std::vector<GeomCount>;
using GeomCountMap = std::map<std::string, int>;
using GeometrySet = std::unordered_set<std::string>;    //queryable unique set of geometrty descriptors

namespace TechDraw
{

class DrawViewPart;

enum class DimensionGeometry {
    isInvalid,
    isHorizontal,
    isVertical,
    isDiagonal,
    isCircle,
    isEllipse,
    isBSplineCircle,
    isBSpline,
    isAngle,
    isAngle3Pt,
    isMultiEdge,
    isZLimited,
    isHybrid,
    isFace,
    isViewReference         //never needs to be specified in the acceptable list
};

DrawViewPart* getReferencesFromSelection(ReferenceVector& references2d,
                                         ReferenceVector& references3d);
DimensionGeometry validateDimSelection(const ReferenceVector& references,
                                            const StringVector& acceptableGeometry,//"Edge", "Vertex", etc
                                            const std::vector<int>& minimumCounts, //how many of each geometry are needed for a good dimension
                                            const std::vector<DimensionGeometry>& acceptableDimensionGeometrys);//isVertical, isHorizontal, ...
DimensionGeometry validateDimSelection3d(DrawViewPart* dvp,
                                            const ReferenceVector& references,
                                            const StringVector& acceptableGeometry,    //"Edge", "Vertex", etc
                                            const std::vector<int>& minimumCounts, //how many of each geometry are needed for a good dimension
                                            const std::vector<DimensionGeometry>& acceptableDimensionGeometrys);//isVertical, isHorizontal, ...

bool validateSubnameList(const StringVector& subNames, const GeometrySet& acceptableGeometrySet);

DimensionGeometry getGeometryConfiguration(ReferenceVector valid2dReferences);
DimensionGeometry getGeometryConfiguration3d(DrawViewPart* dvp,
                                             const ReferenceVector& valid3dReferences);

GeomCountMap loadRequiredCounts(const StringVector& acceptableGeometry,
                                const std::vector<int>& minimumCouts);
bool checkGeometryOccurrences(const StringVector& subNames, GeomCountMap keyedMinimumCounts);

DimensionGeometry isValidVertexes(const ReferenceVector& refs);
DimensionGeometry isValidMultiEdge(const ReferenceVector& refs);
DimensionGeometry isValidSingleEdge(const ReferenceEntry& ref);
DimensionGeometry isValidSingleFace(const ReferenceEntry& ref);
DimensionGeometry isValidHybrid(const  ReferenceVector& refs);

DimensionGeometry isValidVertexes3d(DrawViewPart* dvp, const ReferenceVector& refs);
DimensionGeometry isValidMultiEdge3d(DrawViewPart* dvp, const ReferenceVector& refs);
DimensionGeometry isValidSingleEdge3d(DrawViewPart* dvp, const ReferenceEntry& ref);
DimensionGeometry isValidSingleFace3d(DrawViewPart* dvp, const ReferenceEntry& ref);
DimensionGeometry isValidHybrid3d(DrawViewPart* dvp, const ReferenceVector& refs);

long int mapGeometryTypeToDimType(long int dimType, DimensionGeometry geometry2d,
                                                 DimensionGeometry geometry3d);

bool  refsMatchToken(const ReferenceVector& refs, const std::string& matchToken);

DimensionGeometry lineOrientation(const Base::Vector3d& point0,
                                  const Base::Vector3d& point1);


}
#endif //TECHDRAW_DIMENSIONVALIDATORS_H