#============================================================================
# This file is part of Pwman3.
#
# Pwman3 is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License, version 2
# as published by the Free Software Foundation;
#
# Pwman3 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 Pwman3; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#============================================================================
# Copyright (C) 2012 Oz Nahum <nahumoz@gmail.com>
#============================================================================
# Copyright (C) 2006 Ivan Kelly <ivan@ivankelly.net>
#============================================================================
# pylint: disable=I0011
"""
Define the CLI interface for pwman3 and the helper functions
"""
from __future__ import print_function
import pwman
from pwman.data.nodes import NewNode
from pwman.data.tags import TagNew as TagN
from pwman.util.crypto import CryptoEngine
from pwman.util.crypto import zerome
import pwman.util.config as config
import sys
import cmd
import time
import select as uselect
import ast
from pwman.ui import tools
from pwman.ui.tools import CMDLoop
from pwman.ui.tools import CliMenuItem
from pwman.ui.ocli import PwmanCliOld, Aliases, BaseCommands
from colorama import Fore
import getpass

try:
    import readline
    _readline_available = True
except ImportError, e:  # pragma: no cover
    _readline_available = False


def get_pass_conf():
    numerics = config.get_value("Generator", "numerics").lower() == 'true'
    # TODO: allow custom leetifying through the config
    leetify = config.get_value("Generator", "leetify").lower() == 'true'
    special_chars = config.get_value("Generator", "special_chars"
                                     ).lower() == 'true'
    return numerics, leetify, special_chars


class PwmanCliNew(Aliases, BaseCommands):
    """
    Inherit from the BaseCommands and Aliases
    """
    def __init__(self, db, hasxsel, callback):
        """
        initialize CLI interface, set up the DB
        connecion, see if we have xsel ...
        """
        cmd.Cmd.__init__(self)
        self.intro = "%s %s (c) visit: %s" % (pwman.appname, pwman.version,
                                              pwman.website)
        self._historyfile = config.get_value("Readline", "history")
        self.hasxsel = hasxsel
        try:
            enc = CryptoEngine.get()
            enc._callback = callback()
            self._db = db
            self._db.open()
        except Exception, e:  # pragma: no cover
            self.error(e)
            sys.exit(1)

        try:
            readline.read_history_file(self._historyfile)
        except IOError, e:  # pragma: no cover
            pass

        self.prompt = "pwman> "