#!/usr/bin/env python3

import signal
import sys
import os
import pwd

from gi.repository import Gtk, Gdk

from Locker import Locker
from LockWindow import LockWindow
import pam


def get_username():
    return pwd.getpwuid(os.getuid())[0]


theme = 'UzL-login'
timeout = 5
username = get_username()


def handler(signum, frame):
    Gtk.main_quit()


signal.signal(signal.SIGINT, handler)
signal.signal(signal.SIGTERM, handler)
signal.signal(signal.SIGQUIT, handler)


Gtk.Settings.get_default().set_property('gtk-theme-name', theme)

window = LockWindow()
locker = Locker(timeout, lambda: window.lock(), lambda: window.unlock())
pamAuth = pam.pam()


def tryUnlock(w, password):
    if pamAuth.authenticate(username, password):
        locker.unlock()
    else:
        window.reset()
        window.setMessage(pamAuth.reason)

    return True

window.connect('tryUnlock', tryUnlock)

Gtk.main()