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# -*- coding: utf-8 -*-
# leap_argparse.py
# Copyright (C) 2013 LEAP
#
# 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/>.
"""
Parses the command line arguments passed to the application.
"""
import argparse

from leap.bitmask import IS_RELEASE_VERSION


def build_parser():
    """
    All the options for the leap arg parser
    Some of these could be switched on only if debug flag is present!
    """
    epilog = "Copyright 2012-2013 The LEAP Encryption Access Project"
    parser = argparse.ArgumentParser(description="""
Launches Bitmask""", epilog=epilog)
    parser.add_argument('-d', '--debug', action="store_true",
                        help=("Launches Bitmask in debug mode, writing debug"
                              "info to stdout"))
    if not IS_RELEASE_VERSION:
        help_text = "Bypasses the certificate check for bootstrap"
        parser.add_argument('--danger', action="store_true", help=help_text)

    parser.add_argument('-l', '--logfile', metavar="LOG FILE", nargs='?',
                        action="store", dest="log_file",
                        #type=argparse.FileType('w'),
                        help='optional log file')
    parser.add_argument('--openvpn-verbosity', nargs='?',
                        type=int,
                        action="store", dest="openvpn_verb",
                        help='verbosity level for openvpn logs [1-6]')
    parser.add_argument('-s', '--standalone', action="store_true",
                        help='Makes Bitmask use standalone'
                        'directories for configuration and binary'
                        'searching')
    parser.add_argument('-V', '--version', action="store_true",
                        help='Displays Bitmask version and exits')
    parser.add_argument('-r', '--repair-mailboxes', metavar="user@provider",
                        nargs='?',
                        action="store", dest="acct_to_repair",
                        help='Repair mailboxes for a given account. '
                             'Use when upgrading versions after a schema '
                             'change.')

    # Not in use, we might want to reintroduce them.
    #parser.add_argument('-i', '--no-provider-checks',
                        #action="store_true", default=False,
                        #help="skips download of provider config files. gets "
                        #"config from local files only. Will fail if cannot "
                        #"find any")
    #parser.add_argument('-k', '--no-ca-verify',
                        #action="store_true", default=False,
                        #help="(insecure). Skips verification of the server "
                        #"certificate used in TLS handshake.")
    #parser.add_argument('-c', '--config', metavar="CONFIG FILE", nargs='?',
                        #action="store", dest="config_file",
                        #type=argparse.FileType('r'),
                        #help='optional config file')
    return parser


def init_leapc_args():
    parser = build_parser()
    opts, unknown = parser.parse_known_args()
    return parser, opts