#!/usr/bin/env python

import pygtk
pygtk.require("2.0")
import gtk
import ConfigParser
#import xdg # missing on N900
#import xdg.BaseDirectory
import os
import errno
import gobject

config_home_name = os.environ.get("XDG_CONFIG_HOME") or os.path.join(os.environ["HOME"], ".config")

config_name = os.path.join(config_home_name, "ipcheck", "config")
try:
	os.makedirs(os.path.dirname(config_name))
except OSError as error:
	if error.errno == errno.EEXIST:
		pass
	else:
		raise

size_group = gtk.SizeGroup(gtk.SIZE_GROUP_HORIZONTAL)

def add_entry(title, box):
	h = gtk.HBox(spacing = 7)
	label = gtk.Label(title)
	size_group.add_widget(label)
	h.pack_start(label, False)
	entry = gtk.Entry()
	h.pack_start(entry, True, True)
	h.show_all()
	box.pack_start(h, False)
	return entry

dialog = gtk.Dialog()
vbox = gtk.VBox(spacing = 7)
vbox.show()
dialog.vbox.pack_start(vbox, False, False)
hostname_entry = add_entry("My Hostname (FQDN):", vbox)
import socket
hostname_entry.set_text(socket.gethostname())
username_entry = add_entry("My DynDNS username:", vbox)
password_entry = add_entry("My DynDNS password:", vbox)
password_entry.set_visibility(False)
password_entry.set_activates_default(True)

dialog.add_button(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL)
dialog.add_button("Set Up", gtk.RESPONSE_OK)
dialog.set_default_response(gtk.RESPONSE_OK)

# load

config = ConfigParser.ConfigParser()
def get_config(name, fallback):
	return config.get("DynDNS", name) if config.has_option("DynDNS", name) else fallback

config.read(config_name)
if not config.has_section("DynDNS"):
	config.add_section("DynDNS")

hostname_entry.set_text(get_config("host", hostname_entry.get_text()))
username_entry.set_text(get_config("user", ""))
password_entry.set_text(get_config("password", ""))

if dialog.run() == gtk.RESPONSE_OK:
	config.set("DynDNS", "host", hostname_entry.get_text())
	config.set("DynDNS", "user", username_entry.get_text())
	config.set("DynDNS", "password", password_entry.get_text())
	output_name = "%s.new" % config_name
	output_file = open(output_name, "w")
	try:
		config.write(output_file)
	finally:
		output_file.close()
	os.rename(output_name, config_name)