/******************************************************************************
* Copyright (c) 2016, Hobu Inc. (info@hobu.co)
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following
* conditions are met:
*
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*       notice, this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright
*       notice, this list of conditions and the following disclaimer in
*       the documentation and/or other materials provided
*       with the distribution.
*     * Neither the name of Hobu, Inc. or Flaxen Geo Consulting nor the
*       names of its contributors may be used to endorse or promote
*       products derived from this software without specific prior
*       written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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****************************************************************************/

#include <algorithm>

#include <pdal/FlexWriter.hpp>
#include <pdal/PointView.hpp>
#include <pdal/Streamable.hpp>
#include <pdal/util/ProgramArgs.hpp>

namespace pdal
{

class GDALGrid;

class PDAL_DLL GDALWriter : public FlexWriter, public Streamable
{
    struct Cell
    {
        long x;
        long y;
    };
    struct Position
    {
        double x;
        double y;
    };

public:
    std::string getName() const;

    GDALWriter() : m_outputTypes(0), m_expandByPoint(true)
    {}

private:
    virtual void addArgs(ProgramArgs& args);
    virtual void initialize();
    virtual void prepared(PointTableRef table);
    virtual void readyFile(const std::string& filename,
        const SpatialReference& srs);
    virtual void writeView(const PointViewPtr view);
    virtual bool processOne(PointRef& point);
    virtual void doneFile();
    void createGrid(BOX2D bounds);
    void expandGrid(BOX2D bounds);
    Cell cell(double x, double y);
    long width() const;
    long height() const;

    std::string m_outputFilename;
    std::string m_drivername;
    SpatialReference m_srs;
    Bounds m_bounds;
    Position m_origin;
    double m_edgeLength;
    Arg *m_radiusArg;
    double m_radius;
    StringList m_options;
    StringList m_outputTypeString;
    size_t m_windowSize;
    int m_outputTypes;
    std::unique_ptr<GDALGrid> m_grid;
    double m_noData;
    Dimension::Id m_interpDim;
    std::string m_interpDimString;
    Dimension::Type m_dataType;
    bool m_expandByPoint;
    bool m_fixedGrid;
};

}
