#!/usr/bin/env python

# This file is part of Androguard.
#
# Copyright (C) 2012, Anthony Desnos <desnos at t0t0.fr>
# All rights reserved.
#
# Androguard is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Androguard 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Androguard.  If not, see <http://www.gnu.org/licenses/>.

import sys

from androguard.core import androconf
from androguard.util import read

sys.path.append("./elsim/")
from elsim.elsign import dalvik_elsign

from optparse import OptionParser

option_0 = {
    'name': ('-i', '--input'),
    'help': 'file : use this filename',
    'nargs': 1
}
option_1 = {
    'name': ('-r', '--remove'),
    'help': 'remote the signature',
    'nargs': 1
}
option_2 = {'name': ('-o', '--output'), 'help': 'output database', 'nargs': 1}
option_3 = {
    'name': ('-l', '--list'),
    'help': 'list signatures in database',
    'nargs': 1
}
option_4 = {
    'name': ('-c', '--check'),
    'help': 'check signatures in database',
    'nargs': 1
}
option_5 = {
    'name': ('-v', '--version'),
    'help': 'version of the API',
    'action': 'count'
}

options = [option_0, option_1, option_2, option_3, option_4, option_5]


def main(options, arguments):
    s = dalvik_elsign.CSignature(pcs=dalvik_elsign.PublicCSignature)
    if options.input != None:
        ret = s.add_file(read(options.input))
        if ret != None and options.output != None:
            s.add_indb(ret, options.output)

    elif options.list != None:
        s.list_indb(options.list)

    elif options.remove != None:
        s.remove_indb(options.remove, options.output)

    elif options.check != None:
        s.check_db(options.check)

    elif options.version != None:
        print "Androcsign version %s" % androconf.ANDROGUARD_VERSION


if __name__ == "__main__":
    parser = OptionParser()
    for option in options:
        param = option['name']
        del option['name']
        parser.add_option(*param, **option)

    options, arguments = parser.parse_args()
    sys.argv[:] = arguments
    main(options, arguments)