#!/usr/bin/python

# Copyright (C) 2008 Valmantas Paliksa <walmis at balticum-tv dot lt>
# Copyright (C) 2008 Tadas Dailyda <tadas at dailyda dot com>
#
# Licensed under the GNU General Public License Version 3
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
# 
PAGE_INTRO =      0
PAGE_DEVLIST =    1
PAGE_PASSKEY =    2
PAGE_PAIRING =    3
PAGE_CONNECT =    4
PAGE_CONNECTING = 5
PAGE_FINISH =     6

pages = {}


import os
import sys
import gtk
import random
import dbus.glib
from optparse import OptionParser

#support running uninstalled
_dirname = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
if os.path.exists(os.path.join(_dirname,"ChangeLog")):
	sys.path.insert(0, _dirname)

from blueman.Functions import *
from blueman.gui.DeviceSelectorWidget import DeviceSelectorWidget
from blueman.bluez.Agent import Agent, AgentMethod
from blueman.bluez.Manager import Manager
from blueman.main.FakeDevice import FakeDevice
from blueman.main.Device import Device
from blueman.main.AppletService import AppletService
from blueman.Sdp import *

class Assistant(Agent):
	def __init__(self):
		Agent.__init__(self, "/")
		setup_icon_path()
		
		usage = "Usage: %prog [options]"
		parser = OptionParser(usage)
		parser.add_option("-d", "--device", dest="device",
				action="store", help=_("Start configuration assistant for this device"), metavar="ADDRESS")
	
		(options, args) = parser.parse_args()
		
		check_bluetooth_status(_("Bluetooth needs to be turned on for the Bluetooth assistant to work"), lambda: exit())
		
		self.options = options		
		
		self.Device = None
		self.Adapter = None
		self.PairType = 0
		self.Passkey = ""
		self.Service = None
		
		self.Builder = gtk.Builder()
		self.Builder.set_translation_domain("blueman")
		self.Builder.add_from_file(UI_PATH +"/assistant.ui")
		self.assistant = self.Builder.get_object("assistant")
		self.assistant.set_title(_("Bluetooth Assistant"))
			
		self.applet = AppletService()
		
		self.assistant.connect("prepare", self.on_prepare)
		self.assistant.connect("close", self.on_close)
		self.assistant.connect("cancel", self.on_close)

		pages[PAGE_INTRO] = self.Builder.get_object("l_page0")
		self.assistant.set_page_header_image(pages[PAGE_INTRO], get_icon("blueman", 32))
		self.assistant.set_page_complete(pages[PAGE_INTRO], True)
		
		pages[PAGE_DEVLIST] = self.Builder.get_object("a_page1")
		self.assistant.set_page_header_image(pages[PAGE_DEVLIST], get_icon("blueman", 32))
		
		pages[PAGE_PASSKEY] = self.Builder.get_object("a_page2")
		self.assistant.set_page_header_image(pages[PAGE_PASSKEY], get_icon("gtk-dialog-authentication", 32))
		
		pages[PAGE_PAIRING] = self.Builder.get_object("l_page3")
		self.assistant.set_page_header_image(pages[PAGE_PAIRING], get_icon("gtk-dialog-authentication", 32))
		
		pages[PAGE_CONNECT] = self.Builder.get_object("a_page4")
		self.assistant.set_page_header_image(pages[PAGE_CONNECT], get_icon("gtk-connect", 32))
		
		pages[PAGE_CONNECTING] = self.Builder.get_object("l_page5")
		self.assistant.set_page_header_image(pages[PAGE_CONNECTING], get_icon("gtk-connect", 32))
		
		pages[PAGE_FINISH] = self.Builder.get_object("l_page6")
		self.assistant.set_page_header_image(pages[PAGE_FINISH], get_icon("gtk-yes", 32))
		
		self.svc_vbox = self.Builder.get_object("svcs")
		
		self.cust_passkey = self.Builder.get_object("e_myp")
		self.cust_passkey.props.sensitive = False
		self.cust_passkey.connect("changed", self.on_passkey_changed)
		
		self.Builder.get_object("r_dontp").connect("toggled", self.on_pairing_method_changed, 2)
		self.Builder.get_object("r_myp").connect("toggled", self.on_pairing_method_changed, 1)
		self.Builder.get_object("r_randp").connect("toggled", self.on_pairing_method_changed, 0)
		
		self.dev_widget = DeviceSelectorWidget()
		self.dev_widget.List.connect("device-selected", self.on_device_selected)
		self.dev_widget.List.connect("row-activated", self.on_row_activated)
		
		self.assistant.set_forward_page_func(self.next_page_fn, None)
			
		pages[PAGE_DEVLIST].add(self.dev_widget)
		
		self.dev_widget.show()
		
		if not self.dev_widget.List.IsValidAdapter():
			d = gtk.MessageDialog(type=gtk.MESSAGE_ERROR, )
			d.props.text = _("No adapters found")
			d.props.icon_name = "blueman"
			d.props.title = "Blueman Assistant"
			d.add_button(gtk.STOCK_CLOSE, gtk.RESPONSE_CANCEL)
			d.run()
			exit(1)
		
		self.assistant.show()
				
		if options.device != None:
			m = Manager("gobject")
			try:
				adapter = m.GetAdapter()
			except:
				print "Error: No Adapters present"
				exit(1)
			try:
				d = adapter.FindDevice(options.device)
				self.Device = Device(d)
				self.Adapter = adapter
				if self.Device.Paired:
					self.assistant.set_current_page(PAGE_CONNECT)
				else:
					self.assistant.set_current_page(PAGE_PASSKEY)
			except:
				info = {}
				info["Address"] = options.device
				info["Name"] = info["Address"].replace(":", "-")
				info["Alias"] = info["Name"]
				info["Fake"] = True
				
				self.Device = FakeDevice(info)
				self.Adapter = adapter
				self.assistant.set_current_page(PAGE_PASSKEY)
							
		else:
			self.dev_widget.List.DiscoverDevices()

		
		gtk.main()
		
	def on_row_activated(self, treeview, path, view_column, *args):
		self.assistant.set_current_page(self.next_page_fn(self.assistant.get_current_page(), None))
		
		
	def next_page_fn(self, page, data):
		if page == PAGE_INTRO:
			return PAGE_DEVLIST
		
		elif page == PAGE_DEVLIST:
			if self.Device:
				if self.Device.Fake or not self.Device.Paired:
					return PAGE_PASSKEY
				else:
					return PAGE_CONNECT
			else:
				return PAGE_PASSKEY
		elif page == PAGE_PASSKEY:
			if not self.Device.Fake and not self.Device.Paired and self.PairType == 2:
				return PAGE_CONNECT
			#self.assistant.set_page_complete(pages[PAGE_PASSKEY], True)
			return PAGE_PAIRING
		elif page == PAGE_PAIRING:
			if len(self.Device.Services) == 0:
				return PAGE_FINISH
				
			return PAGE_CONNECT
		elif page == PAGE_CONNECT:
			
			if self.Service and self.Service[0]:
				return PAGE_CONNECTING
			else:
				return PAGE_FINISH
		elif page == PAGE_CONNECTING:
			return PAGE_FINISH
		elif page == PAGE_FINISH:
			return PAGE_FINISH+1
			
		return page
		
		
	def check_custom_passkey(self):
		return len(self.cust_passkey.props.text) != 0
		
	def on_passkey_changed(self, e):
		if self.PairType == 1:
			if self.check_custom_passkey():
				self.Passkey = e.props.text
				self.assistant.set_page_complete(pages[PAGE_PASSKEY], True)
			else:
				self.assistant.set_page_complete(pages[PAGE_PASSKEY], False)
		
		
	def on_pairing_method_changed(self, radio_button, type):
		if radio_button.props.active:
			if type == 0:
				self.cust_passkey.props.sensitive = False
				self.assistant.set_page_complete(pages[PAGE_PASSKEY], True)
			elif type == 1:
				self.cust_passkey.props.sensitive = True
				if not self.check_custom_passkey():
					self.assistant.set_page_complete(pages[PAGE_PASSKEY], False)
			else:
				self.cust_passkey.props.sensitive = False
				self.assistant.set_page_complete(pages[PAGE_PASSKEY], True)
			
			self.PairType = type
		
		
	def on_device_selected(self, list, device, iter):
		if not device:
			self.assistant.set_page_complete(pages[PAGE_DEVLIST], False)
			self.Device = None
			self.Adapter = list.Adapter
		else:
			self.assistant.set_page_complete(pages[PAGE_DEVLIST], True)
			self.Device = device
			self.Adapter = list.Adapter
	
	@AgentMethod
	def RequestPinCode(self, device):
		dprint("Agent.RequestPinCode")
		return self.Passkey
	
	@AgentMethod
	def RequestPasskey(self, device):
		dprint("Agent.RequestPasskey")
		return self.Passkey
		
	def on_close(self, assistant):
		gtk.main_quit()
		
	def on_service_toggled(self, rb, sv_name, *args):
		if rb.props.active:
			self.Service = (sv_name, args)
			self.assistant.set_page_complete(pages[PAGE_CONNECT], True)

	def on_prepare(self, assistant, page):
		num = assistant.get_current_page()
		if num == PAGE_PASSKEY:
			self.assistant.set_page_complete(pages[PAGE_PASSKEY], True)
		
		elif num == PAGE_PAIRING:
			if self.Device.Fake and self.PairType == 2:
				pages[PAGE_PAIRING].set_markup(_("<b>Adding Device...</b>"))
				self.assistant.set_page_title(pages[PAGE_PAIRING], _("Adding"))
			else:
				if self.PairType == 0:
					self.Passkey = "%04d" % random.randint(0, 9999)

				pages[PAGE_PAIRING].set_markup(_("<b>Pairing in progress...</b>\n\nEnter passkey <b>%s</b> on the device.") % self.Passkey)

			def ok(dev):
				self.Device = Device(dev)
				
				def refresh_cb(*args):
					self.assistant.set_current_page(PAGE_CONNECT)
				
				self.applet.RefreshServices(self.Device.GetObjectPath(), reply_handler=refresh_cb, error_handler=refresh_cb)
				
			def err(err):
				print err
				pages[PAGE_FINISH].set_markup(_("<b>Failed to add device</b>"))
				self.assistant.set_page_header_image(pages[PAGE_FINISH], get_icon("gtk-no", 32))
				self.assistant.set_current_page(PAGE_FINISH)
			
			if self.PairType != 2:
				self.Adapter.CreatePairedDevice(self.Device.Address, self.GetObjectPath(), "", reply_handler=ok, error_handler=err)
			else:
				self.Adapter.CreateDevice(self.Device.Address, reply_handler=ok, error_handler=err)
		
		elif num == PAGE_CONNECT:
			self.svc_vbox.foreach(lambda x, y: self.svc_vbox.remove(x), None)
			
			print self.Device.Services
			uuids = self.Device.UUIDs
			rbs = []
			def get_first_item():
				try:
					return rbs[0]
				except:
					return None
				
			for name, service in self.Device.Services.iteritems():
				if name == "serial":
					for uuid in uuids:
						uuid16 = uuid128_to_uuid16(uuid)
						if uuid16 == DIALUP_NET_SVCLASS_ID:
							rbs.append(gtk.RadioButton(get_first_item(), uuid16_to_name(uuid16)))
							rbs[-1].connect("toggled", self.on_service_toggled, name, uuid)
							self.svc_vbox.pack_start(rbs[-1], False)
						
						if uuid16 == SERIAL_PORT_SVCLASS_ID:
							rbs.append(gtk.RadioButton(get_first_item(), uuid16_to_name(uuid16)))
							rbs[-1].connect("toggled", self.on_service_toggled, name, uuid)
							self.svc_vbox.pack_start(rbs[-1], False)
				elif name == "input":
					rbs.append(gtk.RadioButton(get_first_item(), _("Input Service")))
					rbs[-1].connect("toggled", self.on_service_toggled, name)
					self.svc_vbox.pack_start(rbs[-1], False)
				
				elif name == "network":
					for uuid in uuids:
						uuid16 = uuid128_to_uuid16(uuid)
						if uuid16 == GN_SVCLASS_ID:						
							rbs.append(gtk.RadioButton(get_first_item(), _("Group Network")))
							rbs[-1].connect("toggled", self.on_service_toggled, name, uuid)
							self.svc_vbox.pack_start(rbs[-1], False)
					
						if uuid16 == NAP_SVCLASS_ID:
							rbs.append(gtk.RadioButton(get_first_item(), _("Network Access Point")))
							rbs[-1].connect("toggled", self.on_service_toggled, name, uuid)
							self.svc_vbox.pack_start(rbs[-1], False)
			
				elif name == "audiosink":
					rbs.append(gtk.RadioButton(get_first_item(), _("A2DP Sink (Send Audio)")))
					rbs[-1].connect("toggled", self.on_service_toggled, name)
					self.svc_vbox.pack_start(rbs[-1], False)
				
				elif name == "audiosource":
					rbs.append(gtk.RadioButton(get_first_item(), _("A2DP Source (Receive Audio)")))
					rbs[-1].connect("toggled", self.on_service_toggled, name)
					self.svc_vbox.pack_start(rbs[-1], False)				
				
				elif name == "headset":
					rbs.append(gtk.RadioButton(get_first_item(), _("Headset Service")))
					rbs[-1].connect("toggled", self.on_service_toggled, name)
					self.svc_vbox.pack_start(rbs[-1], False)
				
			rbs.append(gtk.RadioButton(get_first_item(), _("Don't connect")))
			rbs[-1].connect("toggled", self.on_service_toggled, None)
			self.svc_vbox.pack_start(rbs[-1], False, False, 8)			
			self.svc_vbox.show_all()

			rbs[0].emit("toggled")
			if len(self.svc_vbox.get_children()) == 1:
				self.assistant.set_current_page(self.next_page_fn(self.assistant.get_current_page(), None))
			
		elif num == PAGE_CONNECTING:
			print "connect"
			
			svc = self.Device.Services[self.Service[0]]
			
			def success(*args):
				pages[PAGE_FINISH].set_markup(_("<b>Device added and connected successfuly</b>"))
				self.assistant.set_page_complete(pages[PAGE_CONNECTING], True)
				self.assistant.set_page_header_image(pages[PAGE_FINISH], get_icon("gtk-yes", 32))
				self.assistant.set_current_page(PAGE_FINISH)
				
			def fail(*args):
				pages[PAGE_FINISH].set_markup(_("<b>Device added successfuly, but failed to connect</b>"))
				self.assistant.set_page_complete(pages[PAGE_CONNECTING], True)
				self.assistant.set_page_header_image(pages[PAGE_FINISH], get_icon("gtk-dialog-warning", 32))
				self.assistant.set_current_page(PAGE_FINISH)
			
			if self.Service[0] == "network":
				uuid = self.Service[1][0]
				self.applet.ServiceProxy(svc.GetInterfaceName(), svc.GetObjectPath(), "Connect", [uuid], reply_handler=success, error_handler=fail)
			
			elif self.Service[0] == "serial":
				uuid = self.Service[1][0]
				self.applet.RfcommConnect(self.Device.GetObjectPath(), uuid, reply_handler=success, error_handler=fail)
			else:
				self.applet.ServiceProxy(svc.GetInterfaceName(), svc.GetObjectPath(), "Connect", [], reply_handler=success, error_handler=fail)
			
			


Assistant()