/*
 * wincmd.h
 * 
 * Copyright 2026 
 * 
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 * 
 * 
 */

#if (!defined(__LIB_wincmd_H_))
#define __LIB_wincmd_H_

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define BUFFER_SIZE 256
#define VERSION "1.0"

static void wincmd_error(char* _err) {
    printf("\033[1mwincmd: \033[91m%s\033[0m\n", _err);
}

typedef unsigned char bool;

#define true 1
#define false 0

static void __help(void) {
    puts (
        "Console wincmd on Wine API V" VERSION "\n"
        "    " "Run Windows command on the Linux" "\n"
        "Using:" "\n"
        "    " "wincmd [--help/--version]" "\n"
        "    " "wincmd --command WINDOWS_COMMAND"
    );
}

int _lib_wincmd_main(int argc, char** argv) {
    size_t pos = 1;
    char command_buffer[BUFFER_SIZE] = "wine cmd.exe /C ";
    long add_count = BUFFER_SIZE - strlen(command_buffer) - 1;
    bool get_command = false;
    while (pos != (size_t)argc) {
        char* str = argv[pos];
        if (get_command == true) {
            if (add_count <= 0) {
                wincmd_error("Buffer overflowed!");
                return EXIT_FAILURE;
            }
            strncat(command_buffer, " ", add_count);
            add_count --;
            strncat(command_buffer, str, add_count);
            add_count -= strlen(str);
            pos ++;
            continue;
        }
        if (str[0] == '-') {
            unsigned char loc = 0;
            if (str[1] == '-') loc ++;
            switch (str[1] + loc) {
                default:
                if (get_command == true) break;
                wincmd_error("Cannot find option!");
                return EXIT_FAILURE;
                break;
                case 'c':
                get_command = true;
                break;
                case 'v':
                puts(VERSION); 
                return EXIT_SUCCESS;
                case 'h':
                __help();
                return EXIT_SUCCESS;
            }
        } else {
            wincmd_error("Cannot find option!");
            return EXIT_FAILURE;
        }
        pos ++;
    }
    int stat;
    if (get_command == true) {
        stat = system(command_buffer);
        if (stat != EXIT_SUCCESS) {
            printf("\033[1mwincmd: \033[91mThe program terminates with status %d!\033[0m\n", stat);
            return EXIT_FAILURE;
        }
        return EXIT_SUCCESS;
    }
    if (system("echo -n \"Wine API (CMD) \" && wine --version") != EXIT_SUCCESS) {
        wincmd_error("Unable to find critical dependencies for running the CMD.EXE shell!");
        return EXIT_FAILURE;
    }
    if ((stat = system("wine cmd.exe")) != EXIT_SUCCESS) {
        printf("\033[1mwincmd: \033[91mThe program terminates with status %d!\033[0m\n", stat);
        return EXIT_FAILURE;
    }
    return EXIT_SUCCESS;
}

#undef VERSION

#endif /* __LIB_wincmd_H_ */