#!/usr/bin/python
# -*- coding: utf-8 -*-
##############################################################################
#
# Copyright (c) 2012-2014 Vifib SARL and Contributors.
# All Rights Reserved.
#
# WARNING: This program as such is intended to be used by professional
# programmers who take the whole responsibility of assessing all potential
# consequences resulting from its eventual inadequacies and bugs
# End users who are looking for a ready-to-use solution with commercial
# guarantees and support are strongly advised to contract a Free Software
# Service Company
#
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
#
##############################################################################

import ConfigParser
import datetime
from optparse import OptionParser, Option
import sys

from base_promise import Config
from signature import Signature

def do_upgrade(config):
  signature = Signature(config)
  signature.upload(dry_run=config.dry_run)


class Parser(OptionParser):
  """
  Parse all arguments.
  """
  def __init__(self, usage=None, version=None):
    """
    Initialize all options possibles.
    """
    OptionParser.__init__(self, usage=usage, version=version,
                      option_list=[
        Option("--slapos-configuration",
               default='/etc/opt/update.cfg',
               help="Configuration File used to upload the key."),
        Option("--upgrade-file",
               default='/etc/opt/slapos/slapos-upgrade',
               help="File used as reference to upgrade."),
        Option("-u", "--upgrade",
               default=False,
               action="store_true",
               help="If selected will update tomorrow."),
        Option("-r", "--reboot",
               default=False,
               action="store_true",
               help="If selected will reboot tomorrow."),
        Option("-n", "--dry-run",
               help="Simulate the execution steps",
               default=False,
               action="store_true"),
        ])

  def check_args(self):
    """
    Check arguments
    """
    (options, args) = self.parse_args()
    return options


# Utility fonction to get yes/no answers
def get_yes_no(prompt):
  while True:
    answer = raw_input(prompt + " [y,n]: ")
    if answer.upper() in ['Y', 'YES']:
        return True
    if answer.upper() in ['N', 'NO']:
        return False

def main():
  """Upload file to update computer and slapos"""
  usage = "usage: [options] "
  # Parse arguments
  config = Config(Parser(usage=usage).check_args())
  do_upgrade(config)
  sys.exit()
