#include "cmdline.h"

#include <stdio.h>
#include <iostream>

int main(int argc, char *argv[])
{
    // parse options
    cmdline::parser a;
    a.add<std::string>("input", 'i', "Input png image", true, "");
    a.add<std::string>("output", 'o', "Output png image", true, "");
    a.add<std::string>("palette", 'p', "Palette (.png or .gpl)", false, "");
    a.add<int>("dither", 'd', "Dither map 2/4/8 (2x2/4x4/8x8)", false, 4);
    a.parse_check(argc, argv);

    // get options
    auto infile = a.get<std::string>("input").c_str();
    auto outfile = a.get<std::string>("output").c_str();
    auto palette = a.get<std::string>("palette").c_str();
    auto dither = a.get<int>("dither");

    if (0)
    {
        std::cout << "input   : " << infile << std::endl;
        std::cout << "output  : " << outfile << std::endl;
        std::cout << "palette : " << palette << std::endl;
        std::cout << "dither  : " << dither << std::endl;
    }
    else
    {
        printf("input   : [%s]\n", infile);
        printf("output  : [%s]\n", outfile);
        printf("palette : [%s]\n", palette);
        printf("dither  : %d\n", dither);
    }

    if (strlen(infile) == 0 || strlen(outfile) == 0)
    {
        // Not set infile or outfile
        printf("%s\n", a.usage().c_str());
        return 1;
    }

    if (strlen(palette) == 0)
    {
        // Not set palette
        printf("Use default palette\n");
    }

    if (!(dither == 2 || dither == 4 || dither == 8))
    {
        printf("Error : Unknown dither mode = %d\n\n", dither);
        printf("%s\n", a.usage().c_str());
        return 1;
    }

    return 0;
}