//  OpenVPN 3 Linux client -- Next generation OpenVPN client
//
//  SPDX-License-Identifier: AGPL-3.0-only
//
//  Copyright (C) 2019 - 2023  OpenVPN Inc <sales@openvpn.net>
//  Copyright (C) 2019 - 2023  David Sommerseth <davids@openvpn.net>
//

/**
 * @file   ovpn3cli.hpp
 *
 * @brief  Generic main() function for OpenVPN 3 command line
 *         programs using the Commands implementation from
 *         commands/cmdargparser.hpp
 *
 *         This file is to be included from a .cpp file and
 *         requires the OVPN3CLI_PROGNAME, OVPN3CLI_PROGDESCR and
 *         OVPN3CLI_COMMANDS_LIST to be defined in advance.
 */

#include "dbus/proxy.hpp"
#include "common/cmdargparser.hpp"


int main(int argc, char **argv)
{
    Commands cmds(OVPN3CLI_PROGNAME,
                  OVPN3CLI_PROGDESCR);

    // Register commands
    for (const auto &cmd : OVPN3CLI_COMMANDS_LIST)
    {
        cmds.RegisterCommand(cmd());
    }

    // Parse the command line arguments and execute the commands given
    try
    {
        return cmds.ProcessCommandLine(argc, argv);
    }
    catch (const DBusProxyAccessDeniedException &e)
    {
        std::cerr << "** ERROR **  " << e.what() << std::endl;

        if (std::getenv("OPENVPN_DEBUG") != nullptr)
        {
            std::cerr << "DEBUG: " << std::endl
                      << e.getDebug() << std::endl;
        }
        return 7;
    }
    catch (CommandException &e)
    {
        if (e.gotErrorMessage())
        {
            std::cerr << e.getCommand() << ": ** ERROR ** " << e.what() << std::endl;
        }
        return 8;
    }
    catch (std::exception &e)
    {
        std::cerr << "** ERROR ** " << e.what() << std::endl;
        return 9;
    }
    std::cerr << "*** EEEK *** This should not have happened" << std::endl;
    return 99;
}