int main(int argc, char **argv) {
    struct Png image;
    int index = 0, key;
    int x0 = 0, y0 = 0, x1 = 0, y1 = 0, x2 = 0, y2 = 0, line_fat = 0, flag = 0;
    int Red = 0, Green = 0, Blue = 0;
    int x_photos = 1, y_photos = 1;
    char* output = argv[1];

    read_png_file(argv[1], &image);
    int width_pixel = process_file(&image);

    const struct option firstCordStruct = {"first", required_argument, NULL, 'f'};
    const struct option secondCordStruct = {"second", required_argument, NULL, 's'};
    const struct option thirdCordStruct = {"third", required_argument, NULL, 't'};
    const struct option fatLineStruct = {"line", required_argument, NULL, 'l'};
    const struct option castStruct = {"cast", required_argument, NULL, 'c'};
    const struct option xPhotosStruct = {"xPhoto", required_argument, NULL, 'x'};
    const struct option yPhotosStruct = {"yPhoto", required_argument, NULL, 'y'};
    const struct option colorStruct = {"color", required_argument, NULL, 'C'};
    const struct option outputStruct = {"output", required_argument, NULL, 'o'};

    opterr = 0;
    if(argc == 1 || !strcmp(argv[2], "help")){
        printHelp();
        return 0;
    }else if(!strcmp(argv[2], "info")){
        print_info(&image);
        return 0;
    }else if(!strcmp(argv[2], "triangle")) {
        struct option options[] = {firstCordStruct, secondCordStruct, thirdCordStruct, fatLineStruct,
                castStruct, colorStruct, outputStruct};
        while((key = getopt_long(argc, argv, "f:s:t:l:c:C:o:", options, &index)) != -1) {
            choice("triangle", key, &x0, &y0, &x1, &y1, &x2, &y2, &line_fat,
                   &flag, &output, &Red, &Green, &Blue, 0, 0);
        }
        print_triangle(&image, width_pixel, x0, y0, x1, y1, x2, y2, line_fat, flag, Red, Green, Blue);
        write_png_file(output, &image);
    }else if(!strcmp(argv[2], "line")) {
        struct option options[] = {firstCordStruct, secondCordStruct, fatLineStruct, colorStruct,
                                    outputStruct};
        while((key = getopt_long(argc, argv, "f:s:l:C:o:", options, &index)) != -1) {
            choice("line", key, &x0, &y0, &x1, &y1, 0, 0,  &line_fat,
                   0, &output, &Red, &Green, &Blue, 0, 0);
        }
        paint_line(&image, width_pixel, x0, y0, x1, y1, line_fat, Red, Green, Blue);
        write_png_file(output, &image);
    }else if(!strcmp(argv[2], "collage")) {
        struct option options[] = {xPhotosStruct, yPhotosStruct, outputStruct};
        while((key = getopt_long(argc, argv, "x:y:o:", options, &index)) != -1) {
            choice("collage", key, 0, 0, 0, 0, 0, 0,  0,
                   0, &output, 0, 0, 0, &x_photos, &y_photos);
        }
        make_collage(&image, width_pixel, x_photos, y_photos);
        write_png_file(output, &image);
    }

    for (int y = 0; y < image.height; y++)
        free(image.row_pointers[y]);
    free(image.row_pointers);

    return 0;
}