#!/usr/bin/env python

# Copyright (c) 2009, Purdue University
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"""List acls for Roster"""


__copyright__ = 'Copyright (C) 2009, Purdue University'
__license__ = 'BSD'
__version__ = '0.17'


import sys

from roster_user_tools import cli_common_lib
from roster_user_tools import roster_client_lib
from roster_user_tools.data_flags import Acl
from roster_user_tools.action_flags import List


class Args(List, Acl):
  pass

def main(args):
  """Collects command line arguments.

  Inputs:
    args: list of arguments from the command line
  """
  command = 'acl'
  if( args and not args[0].startswith('-') ):
    command = args.pop(0)
  usage = ('\n'
           '\n'
           'To list acls:\n'
           '\t%s -a <acl-name> --cidr-block <cidr_block>\n'
           '\n'
           'You may use any or none of the arguments above to search ACLs' %
           (sys.argv[0]))
  args_instance = Args(command, ['acl'], args, usage)
  options = args_instance.options

  try:
    cli_common_lib_instance = cli_common_lib.CliCommonLib(options)
  except cli_common_lib.ArgumentError, error:
    print 'ERROR: %s' % error
    sys.exit(1)

  acls = roster_client_lib.RunFunction(
      u'ListACLs', options.username, credfile=options.credfile,
      credstring=options.credstring, server_name=options.server,
      kwargs={u'acl_name': options.acl, u'cidr_block': options.cidr_block})[
          'core_return']

  print_list = []
  if( not options.no_header ):
    print_list.append(['Name', 'CIDR Block'])

  for acl in acls:
    for sub_acl in acls[acl]:
      print_list.append([acl, sub_acl['cidr_block']])

  print cli_common_lib.PrintColumns(
      print_list, first_line_header=not options.no_header)

if __name__ == "__main__":
  main(sys.argv[1:])
