#!/usr/bin/env python3
# SPDX-License-Identifier: LGPL-2.1-or-later

from __future__ import absolute_import, print_function, unicode_literals

from optparse import OptionParser
import os
from pprint import pformat
import sys
import dbus
import dbus.mainloop.glib
try:
  from gi.repository import GObject
except ImportError:
  import gobject as GObject

BUS_NAME='org.bluez.obex'
PATH = '/org/bluez/obex'
CLIENT_INTERFACE = 'org.bluez.obex.Client1'
SESSION_INTERFACE = 'org.bluez.obex.Session1'
MESSAGE_ACCESS_INTERFACE = 'org.bluez.obex.MessageAccess1'
MESSAGE_INTERFACE = 'org.bluez.obex.Message1'
TRANSFER_INTERFACE = 'org.bluez.obex.Transfer1'

def unwrap(x):
    """Hack to unwrap D-Bus values, so that they're easier to read when
    printed. Taken from d-feet """

    if isinstance(x, list):
        return map(unwrap, x)

    if isinstance(x, tuple):
        return tuple(map(unwrap, x))

    if isinstance(x, dict):
        return dict([(unwrap(k), unwrap(v)) for k, v in x.items()])

    for t in [unicode, str, long, int, float, bool]:
        if isinstance(x, t):
            return t(x)

    return x

def parse_options():
	parser.add_option("-d", "--device", dest="device",
			help="Device to connect", metavar="DEVICE")
	parser.add_option("-c", "--chdir", dest="new_dir",
			help="Change current directory to DIR", metavar="DIR")
	parser.add_option("-l", "--lsdir", action="store_true", dest="ls_dir",
			help="List folders in current directory")
	parser.add_option("-v", "--verbose", action="store_true", dest="verbose")
	parser.add_option("-L", "--lsmsg", action="store", dest="ls_msg",
			help="List messages in supplied CWD subdir")
	parser.add_option("-g", "--get", action="store", dest="get_msg",
			help="Get message contents")
	parser.add_option("-p", "--push", action="store", dest="push_msg",
			help="Push message")
	parser.add_option("--get-properties", action="store", dest="get_msg_properties",
			help="Get message properties")
	parser.add_option("--mark-read", action="store", dest="mark_msg_read",
			help="Marks the messages as read")
	parser.add_option("--mark-unread", action="store", dest="mark_msg_unread",
			help="Marks the messages as unread")
	parser.add_option("--mark-deleted", action="store", dest="mark_msg_deleted",
			help="Deletes the message from the folder")
	parser.add_option("--mark-undeleted", action="store", dest="mark_msg_undeleted",
			help="Undeletes the message")
	parser.add_option("-u", "--update-inbox", action="store_true", dest="update_inbox",
			help="Checks for new mails")

	return parser.parse_args()

def set_folder(session, new_dir):
	session.SetFolder(new_dir)

class MapClient:
	def __init__(self, session_path, verbose=False):
		self.progress = 0
		self.transfer_path = None
		self.props = dict()
		self.verbose = verbose
		self.path = session_path
		bus = dbus.SessionBus()
		obj = bus.get_object(BUS_NAME, session_path)
		self.session = dbus.Interface(obj, SESSION_INTERFACE)
		self.map = dbus.Interface(obj, MESSAGE_ACCESS_INTERFACE)
		bus.add_signal_receiver(self.properties_changed,
			dbus_interface="org.freedesktop.DBus.Properties",
			signal_name="PropertiesChanged",
			path_keyword="path")

	def create_transfer_reply(self, path, properties):
		self.transfer_path = path
		self.props[path] = properties
		if self.verbose:
			print("Transfer created: %s (file %s)" % (path,
							properties["Filename"]))

	def generic_reply(self):
		if self.verbose:
			print("Operation succeeded")

	def error(self, err):
		print(err)
		mainloop.quit()

	def transfer_complete(self, path):
		if self.verbose:
			print("Transfer finished")
		properties = self.props.get(path)
		if properties == None:
			return
		f = open(properties["Filename"], "r")
		os.remove(properties["Filename"])
		print(f.readlines())

	def transfer_error(self, path):
		print("Transfer %s error" % path)
		mainloop.quit()

	def properties_changed(self, interface, properties, invalidated, path):
		req = self.props.get(path)
		if req == None:
			return

		if properties['Status'] == 'complete':
			self.transfer_complete(path)
			return

		if properties['Status'] == 'error':
			self.transfer_error(path)
			return

	def set_folder(self, new_dir):
		self.map.SetFolder(new_dir)

	def list_folders(self):
		for i in self.map.ListFolders(dict()):
			print("%s/" % (i["Name"]))

	def list_messages(self, folder):
		ret = self.map.ListMessages(folder, dict())
		print(pformat(unwrap(ret)))

	def get_message(self, handle):
		self.map.ListMessages("", dict())
		path = self.path + "/message" + handle
		obj = bus.get_object(BUS_NAME, path)
		msg = dbus.Interface(obj, MESSAGE_INTERFACE)
		msg.Get("", True, reply_handler=self.create_transfer_reply,
						error_handler=self.error)

	def push_message(self, filename):
		self.map.PushMessage(filename, "telecom/msg/outbox", dict(),
				reply_handler=self.create_transfer_reply,
				error_handler=self.error)

	def get_message_properties(self, handle):
		self.map.ListMessages("", dict())
		path = self.path + "/message" + handle
		obj = bus.get_object(BUS_NAME, path)
		msg = dbus.Interface(obj, "org.freedesktop.DBus.Properties")
		ret = msg.GetAll(MESSAGE_INTERFACE)
		print(pformat(unwrap(ret)))

	def set_message_property(self, handle, prop, flag):
		self.map.ListMessages("", dict())
		path = self.path + "/message" + handle
		obj = bus.get_object(BUS_NAME, path)
		msg = dbus.Interface(obj, MESSAGE_INTERFACE)
		msg.SetProperty (prop, flag);

	def update_inbox(self):
		self.map.UpdateInbox()


if  __name__ == '__main__':

	dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)

	parser = OptionParser()

	(options, args) = parse_options()

	if not options.device:
		parser.print_help()
		exit(0)

	bus = dbus.SessionBus()
	mainloop = GObject.MainLoop()

	client = dbus.Interface(bus.get_object(BUS_NAME, PATH),
							CLIENT_INTERFACE)

	print("Creating Session")
	path = client.CreateSession(options.device, { "Target": "map" })

	map_client = MapClient(path, options.verbose)

	if options.new_dir:
		map_client.set_folder(options.new_dir)

	if options.ls_dir:
		map_client.list_folders()

	if options.ls_msg is not None:
		map_client.list_messages(options.ls_msg)

	if options.get_msg is not None:
		map_client.get_message(options.get_msg)

	if options.push_msg is not None:
		map_client.push_message(options.push_msg)

	if options.get_msg_properties is not None:
		map_client.get_message_properties(options.get_msg_properties)

	if options.mark_msg_read is not None:
		map_client.set_message_property(options.mark_msg_read, "Read", True)

	if options.mark_msg_unread is not None:
		map_client.set_message_property(options.mark_msg_unread, "Read", False)

	if options.mark_msg_deleted is not None:
		map_client.set_message_property(options.mark_msg_deleted, "Deleted", True)

	if options.mark_msg_undeleted is not None:
		map_client.set_message_property(options.mark_msg_undeleted, "Deleted", False)

	if options.update_inbox:
		map_client.update_inbox()

	mainloop.run()
