# Copyright 2021 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

from autotest_lib.server.cros.cellular.simulation_utils import BaseCellularDut


class ChromebookCellularDut(BaseCellularDut.BaseCellularDut):
    """ Chromebook implementation of the cellular DUT class."""

    def __init__(self, ad, logger):
        """ Keeps a handler to the chromebook device.

        Args:
           ad: a handle to the chromebook device
           logger: a handler to the logger object
        """
        self.ad = ad
        self.log = logger

    def toggle_airplane_mode(self, new_state=True):
        """ Turns on and off mobile data.
        """
        if new_state:
            self.ad.run(
                "dbus-send --system --fixed --print-reply --dest=org.chromium."
                "flimflam / org.chromium.flimflam.Manager.DisableTechnology st"
                "ring:cellular")
        else:
            self.ad.run(
                "dbus-send --system --fixed --print-reply --dest=org.chromium."
                "flimflam / org.chromium.flimflam.Manager.EnableTechnology str"
                "ing:cellular")

    def toggle_data_roaming(self, new_state=True):
        """ Enables or disables cellular data roaming.

        Args:
          new_state: True if data roaming needs to be enabled.
        """
        pass

    def get_rx_tx_power_levels(self):
        """ Not relevant to Chromebooks,
        but required interface for compatibility.
        """
        return (None, None)

    def set_apn(self, name, apn, type='default'):
        """ Not currently supported by Chromebooks yet.
        """
        pass

    def set_preferred_network_type(self, type):
        """ Sets the preferred RAT.

        Args:
          type: an instance of class PreferredNetworkType
        """
        pass

    def get_telephony_signal_strength(self):
        """ Not relevant to Chromebooks,
        but required interface for compatibility.
        """
        pass