/****************************************************************************
 Copyright (C) 2010-2012 the Office National des Forêts (ONF), France
                         All rights reserved.

 Contact : alexandre.piboule@onf.fr

 Developers : Alexandre PIBOULE (ONF)

 This file is part of PluginONF library.

 PluginONF is free library: you can redistribute it and/or modify
 it under the terms of the GNU Lesser General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 PluginONF 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 General Public License for more details.

 You should have received a copy of the GNU Lesser General Public License
 along with PluginONF.  If not, see <http://www.gnu.org/licenses/lgpl.html>.
*****************************************************************************/

#ifndef ONF_STEPLOADBUFFEREDRASTERS_H
#define ONF_STEPLOADBUFFEREDRASTERS_H

#include "ct_step/abstract/ct_abstractstep.h"

#include "ct_itemdrawable/abstract/ct_abstractsingularitemdrawable.h"
#include "ct_itemdrawable/abstract/ct_abstractitemdrawablewithpointcloud.h"
#include "ct_itemdrawable/ct_fileheader.h"
#include "ct_itemdrawable/ct_box2d.h"
#include "ct_itemdrawable/ct_loopcounter.h"
#include "ctlibio/readers/ct_reader_gdal.h"


class ONF_StepLoadBufferedRasters : public CT_AbstractStep
{
    // IMPORTANT in order to obtain step name
    Q_OBJECT
    using SuperClass = CT_AbstractStep;

public:

    ONF_StepLoadBufferedRasters();

    QString description() const override;
    QString detailledDescription() const override;
    QString inputDescription() const override;
    QString outputDescription() const override;
    QString detailsDescription() const override;

    CT_VirtualAbstractStep* createNewInstance() const final;

protected:

    void declareInputModels(CT_StepInModelStructureManager& manager) final;

    void fillPostInputConfigurationDialog(CT_StepConfigurableDialog* postInputConfigDialog) final;

    void declareOutputModels(CT_StepOutModelStructureManager& manager) final;

    void compute() final;

private:

    class RasterData {
    public:

        RasterData(const CT_Reader_GDAL* readerGdal, QString name, const CT_Box2D* area)
        {
            _reader = const_cast<CT_Reader_GDAL*>(readerGdal);
            _name = name;

            area->getAreaData().getBoundingBox(_minArea, _maxArea);
        }

        RasterData()
        {
            _reader = nullptr;
            _name = "";
        }

        CT_Reader_GDAL*             _reader;
        QString                     _name;
        Eigen::Vector3d             _minArea;
        Eigen::Vector3d             _maxArea;
    };

    QMap<QString, RasterData>   _rasterList;


    CT_HandleInResultGroup<>                                                            _InResultCounter;
    CT_HandleInStdGroup<>                                                               _InGroupCounter;
    CT_HandleInSingularItem<CT_LoopCounter>                                             _InLoopCounter;

    CT_HandleInResultGroupCopy<>                                                        _inResult;
    CT_HandleInStdZeroOrMoreGroup                                                       _inZeroOrMoreRootGroup;
    CT_HandleInStdGroup<>                                                               _inGroup;
    CT_HandleInSingularItem<CT_AbstractSingularItemDrawable>                            _inItem;
    CT_HandleInItemAttribute<CT_AbstractItemAttribute, CT_AbstractCategory::STRING>     _inAttName;

    CT_HandleInResultGroup<>                                                            _inResultRasters;
    CT_HandleInStdZeroOrMoreGroup                                                       _inZeroOrMoreRootGroupRasters;
    CT_HandleInStdGroup<>                                                               _inGroupRasters;
    CT_HandleInSingularItem<CT_FileHeader>                                              _inReaderItem;
    CT_HandleInItemAttribute<CT_AbstractItemAttribute, CT_AbstractCategory::STRING>     _inAttFileName;
    CT_HandleInSingularItem<CT_Box2D>                                                   _inArea;


    CT_HandleOutSingularItem<CT_Image2D<float> >                                        _outRaster;
    CT_HandleOutSingularItem<CT_Box2D>                                                  _outArea;
    CT_HandleOutSingularItem<CT_Box2D>                                                  _outAreaBuffer;

    double                  _bufferSize;
    QString                 _rasterName;

    bool intersection2D(const Eigen::Vector3d &minBase, const Eigen::Vector3d &maxBase, const Eigen::Vector3d &min, const Eigen::Vector3d &max, Eigen::Vector3d &minOut, Eigen::Vector3d &maxOut);
};

#endif // ONF_STEPLOADBUFFEREDRASTERS_H