# -*- coding: utf-8 -*-
#
# Copyright (C) 2007, 2008 by Jan Dittberner.
#
# 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.
#
# Version: $Id$
"""This module provides the command line interface code for system
user management."""
from gnuviechadmin.cli.CliCommand import CliCommand
import sys


class SysuserCli(CliCommand):
    """Command line interface command for system user management.

    This class implements `gnuviechadmin.cli.CliCommand.CliCommand`.
    """

    name = "sysuser"
    description = "manage system users"
    _optionmap = {
        "create": ("create a new system user with the given options.",
                   [(["-n", "--username"], "username",
                     "the system user name", False),
                    (["-t", "--usertype"], "usertype",
                     "the numeric user type", False),
                    (["-h", "--home"], "home",
                     "the home directory", False),
                    (["-s", "--shell"], "shell",
                     "true if the user should get shell access", False),
                    (["-p", "--password"], "clearpass",
                     "the password for the user", False),
                    (["-c", "--clientid"], "clientid",
                     "the client id", True)]),
        "list": ("list existing system users.", []),
        "delete": ("delete a system user.",
                   [(["-s", "--sysuserid"], "sysuserid",
                     "the system user id", True)])}

    def _execute(self, subcommand):
        """Executes `subcommand`.

        This method implements `CliCommand._execute()`.
        """
        self.logger.debug("execute %s with data %s", subcommand,
                          str(self._data))
        from gnuviechadmin.backend import sysuser
        from gnuviechadmin import exceptions
        if subcommand == "create":
            try:
                mysysuser = sysuser.SysuserHandler(self._verbose).create(
                    **self._data)
                if self._verbose:
                    print mysysuser
            except exceptions.CreationFailedError, cfe:
                self._usage()
                print cfe
                sys.exit(2)
        elif subcommand == "list":
            sysusers = sysuser.SysuserHandler(self._verbose).fetchall()
            for su in sysusers:
                print su
        elif subcommand == "delete":
            sysuser.SysuserHandler(self._verbose).delete(
                self._data["sysuserid"])

    def __init__(self, argv):
        """Constructor for the sysuser command."""
        CliCommand.CliCommand.__init__(self, argv)