#!/usr/bin/env python3
# -*- Mode: python; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation; either version 2 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 Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright (C) 2020 Aleksander Morgado <aleksander@aleksander.es>
#

import sys, signal, gi

gi.require_version('Mbim', '1.0')
from gi.repository import GLib, Gio, Mbim

main_loop = None


def signal_handler(data):
    main_loop.quit()


def close_ready(mbimdev,result,user_data=None):
    try:
        mbimdev.close_finish(result)
    except GLib.GError as error:
        sys.stderr.write("Couldn't close MBIM device: %s\n" % error.message)
    main_loop.quit()


def query_device_caps_ready(mbimdev,result,user_data=None):
    try:
        response = mbimdev.command_finish(result)
        response.command_done_get_result()
        success, devtype, cellclass, voiceclass, simclass, dataclass, smscaps, controlcaps, maxsessions, customdataclass, deviceid, firmwareinfo, hardwareinfo = response.device_caps_response_parse()

        if success:
            print("device type:          %s" % Mbim.DeviceType.get_string(devtype))
            print("cellular class:       %s" % Mbim.CellularClass.build_string_from_mask(cellclass))
            print("voice class:          %s" % Mbim.VoiceClass.get_string(voiceclass))
            print("sim class:            %s" % Mbim.SimClass.build_string_from_mask(simclass))
            print("data class:           %s" % Mbim.DataClass.build_string_from_mask(dataclass))
            print("sms capabilities:     %s" % Mbim.SmsCaps.build_string_from_mask(smscaps))
            print("control capabilities: %s" % Mbim.CtrlCaps.build_string_from_mask(controlcaps))
            print("max sessions:         %u" % maxsessions)
            print("custom data class:    %s" % customdataclass)
            print("device id:            %s" % deviceid)
            print("firmware info:        %s" % firmwareinfo)
            print("hardware info:        %s" % hardwareinfo)

    except GLib.GError as error:
        sys.stderr.write("Couldn't run MBIM command: %s\n" % error.message)

    mbimdev.close(10, None, close_ready, None)


def open_full_ready(mbimdev,result,user_data=None):
    try:
        mbimdev.open_full_finish(result)
    except GLib.GError as error:
        sys.stderr.write("Couldn't open MBIM device: %s\n" % error.message)
        main_loop.quit()
        return

    request = Mbim.Message.device_caps_query_new ()
    mbimdev.command(request, 10, None, query_device_caps_ready, None)


def new_ready(unused,result,user_data=None):
    try:
        mbimdev = Mbim.Device.new_finish(result)
    except GLib.GError as error:
        sys.stderr.write("Couldn't create MBIM device: %s\n" % error.message)
        main_loop.quit()
        return

    mbimdev.open_full(Mbim.DeviceOpenFlags.PROXY, 10, None, open_full_ready, None)


if __name__ == "__main__":

    # Process input arguments
    if len(sys.argv) != 2:
        sys.stderr.write('error: wrong number of arguments\n')
        sys.stdout.write('usage: simple-tester-python <DEVICE>\n')
        sys.exit(1)

    # Create Mbim device asynchronously
    file = Gio.File.new_for_path(sys.argv[1])
    Mbim.Device.new (file, None, new_ready, None)

    # Main loop
    main_loop = GLib.MainLoop()
    GLib.unix_signal_add(GLib.PRIORITY_HIGH, signal.SIGHUP, signal_handler, None)
    GLib.unix_signal_add(GLib.PRIORITY_HIGH, signal.SIGTERM, signal_handler, None)
    try:
        main_loop.run()
    except KeyboardInterrupt:
        pass