/*------------------------------------------------------------------------------
 *	Copyright (c) 2023 by Bai Bing (seread@163.com)
 *	See COPYING file for copying and redistribution conditions.
 *
 *  Alians IT Studio.
 *----------------------------------------------------------------------------*/
#pragma once

#include <any>
#include <cmath>
#include <map>
#include <string>
#include <utility>

namespace ais
{
    // parameters for example application running.
    struct Settings
    {
        // real sample points
        std::string randomsFilename;
        std::string concernPointsFilename;
        std::string breaklinesFilename;
        std::string faultsFilename;
        std::string outputFilename{"output.grd"};

        // mock random points
        bool useMockRandoms = false;
        size_t mockRandomCount = 200;

        size_t xCount = 101;
        size_t yCount = 101;

        double targetXGridSize = std::nan("1");
        double targetYGridSize = std::nan("1");

        int estimateFactor = 0;
        int16_t cornerWeight = 64;

        size_t maxIteration{20000};
        double residual{0.0001};
        double fillValue{0.0};

        bool useMultiThread{true};

        int8_t faultEdgeLevel{-1};

        std::map<std::string, std::any> params();
    };

#define no_argument 0
#define required_argument 1
#define optional_argument 2

    struct option
    {
        const char *name;
        int has_arg;
        int *flag;
        int val;
    };

    // default options definition
    extern const char *shortopts;
    extern char *optarg2;
    extern const option longopts[];

    void usage(const char *app);

    int getopt_long_2(int argc, char **argv, const char *shortopts, const option *longopts, int *longind,
                      char **optarg);

} // namespace ais