#pragma once

#include <string>
#include  <unordered_map>
#include <memory> // std::shared_ptr
#include <opencv2/opencv.hpp> // all opencv header
#include <libraw/libraw.h>

namespace hdrplus
{
class RawpyArgs{
    public:
        int demosaic_algorithm = 3;// 3 - AHD interpolation <->int user_qual
        bool half_size = false;
        bool use_camera_wb = true;
        bool use_auto_wb = false;
        bool no_auto_bright = true;
        int output_color = LIBRAW_COLORSPACE_sRGB;
        int gamma[2] = {1,1}; //# gamma correction not applied by rawpy (not quite understand)
        int output_bps = 16;
};

class Options{
    public:
        std::string input = "";
        std::string output = "";
        std::string mode = "full"; //'full' 'align' 'merge' 'finish'
        int reference = 0;
        float temporalfactor=75.0;
        float spatialfactor = 0.1;
        int ltmGain=-1;
        double gtmContrast=0.075;
        int verbose=2; // (0, 1, 2, 3, 4, 5)

};

class Tuning{
    public:
        std::string ltmGain = "auto";
        double gtmContrast = 0.075;
        std::vector<float> sharpenAmount{1,0.5,0.5};
        std::vector<float> sharpenSigma{1,2,4};
        std::vector<float> sharpenThreshold{0.02,0.04,0.06};
};

class Parameters{
    public:
        std::unordered_map<std::string,bool> flags{
            {"writeReferenceImage",true},
            {"writeGammaReference", true},
            {"writeMergedImage", true},
            {"writeGammaMerged", true},
            {"writeShortExposure", true},
            {"writeLongExposure", true},
            {"writeFusedExposure", true},
            {"writeLTMImage", true},
            {"writeLTMGamma", true},
            {"writeGTMImage", true},
            {"writeReferenceFinal", true},
            {"writeFinalImage", true}
        };

        RawpyArgs rawpyArgs;
        Options options;
        Tuning tuning;

        Parameters()= default;

};

cv::Mat postprocess(std::shared_ptr<LibRaw>& libraw_ptr, RawpyArgs rawpyArgs);
void setParams(std::shared_ptr<LibRaw>& libraw_ptr, RawpyArgs rawpyArgs);

} // namespace hdrplus