/*
The GPLv3 License (GPLv3)

Copyright (c) 2022 Akos Horvath

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

This program 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 General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include <unistd.h>
#include "graphics.h"

using namespace Mandelbrot;

int main(int argc, char **argv)
{
    char c;
    std::string targ, iarg;
    int tcount = 0;
    int maxiter = 0;

    while ((c = getopt(argc, argv, "t:i:")) != -1) {
        switch (c) {
            case 't':
                targ = optarg;
                break;
            case 'i':
                iarg = optarg;
                break;
            case ':':
                std::cout << "option needs a value." << std::endl;
                exit(1);
            case '?':
                if (optopt == 't' || optopt == 'i')
                    fprintf(stderr, "Option -%c requires an argument.\n",
                            optopt);
                else if (isprint (optopt))
                    fprintf(stderr, "Unknown option `-%c'.\n", optopt);
                else
                    fprintf(stderr,
                           "Unknown option character `\\x%x'.\n",
                           optopt);
                exit(1);
        }
    }

    try {
        tcount = std::stoi(targ);
        maxiter = std::stoi(iarg);
    } catch(...) {
        std::cout << "Invalid arguments." << std::endl;
        exit(1);
    }

    if (tcount == 0 || tcount < 0)
        tcount = 4;

    if (maxiter == 0 || maxiter < 0)
        maxiter = 100;

    Graphics g = Graphics(1800, 1200, "Mandelbrot set visualizer", tcount, maxiter);
    g.mainLoop();

    return 0;
}