# Copyright (c) 2012 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.

# Common utilities for interacting with modems.

#
# For modems managed by org.freedesktop.ModemManager1
#
MM1=org.freedesktop.ModemManager1
MM1_OBJECT=/org/freedesktop/ModemManager1
MM1_IMANAGER=org.freedesktop.ModemManager1
MM1_IMODEM=${MM1_IMANAGER}.Modem
MM1_IMODEM_SIMPLE=${MM1_IMODEM}.Simple
MM1_IMODEM_3GPP=${MM1_IMODEM}.Modem3gpp
MM1_IMODEM_CDMA=${MM1_IMODEM}.ModemCdma
MM1_ISIM=${MM1_IMANAGER}.Sim

mm1_modem_sim() {
  dbus_property "${MM1}" "${modem}" "${MM1_IMODEM}" Sim
}

mm1_modem_properties() {
  local modem="$1"
  local sim=$(mm1_modem_sim "${modem}")

  echo
  echo "Modem ${modem}:"
  echo "  GetStatus:"
  dbus_call "${MM1}" "${modem}" "${MM1_IMODEM_SIMPLE}.GetStatus" \
    | format_dbus_dict | indent 2
  echo "  Properties:"
  dbus_properties "${MM1}" "${modem}" "${MM1_IMODEM}" \
    | format_dbus_dict | indent 2
  echo "  3GPP:"
  dbus_properties "${MM1}" "${modem}" "${MM1_IMODEM_3GPP}" \
    | format_dbus_dict | indent 2
  echo "  CDMA:"
  dbus_properties "${MM1}" "${modem}" "${MM1_IMODEM_CDMA}" \
    | format_dbus_dict | indent 2

  if [ "${#sim}" -gt 1 ]; then
    echo "  SIM ${sim}:"
    dbus_properties "${MM1}" "${sim}" "${MM1_ISIM}" \
      | format_dbus_dict | indent 2
  fi
}

mm1_modems() {
  mmcli -L 2>/dev/null \
    | awk '/\/org\/freedesktop\/ModemManager1\/Modem\// { print $1 }'
}

#
# Common stuff
#
MASKED_PROPERTIES="DeviceIdentifier|EquipmentIdentifier|OwnNumbers|ESN|MEID|IMEI|IMSI|SimIdentifier|MDN|MIN|payment_url_postdata"

mask_modem_properties() {
  sed -E "s/\<(${MASKED_PROPERTIES}): (.+)/\1: *** MASKED ***/i"
}

all_modem_status() {
  for modem in $(mm1_modems); do
    mm1_modem_properties "${modem}"
  done
}

default_modem() {
  mm1_modems | head -1
}

# Sets the log level of the specified modem manager.
set_modem_manager_logging() {
  local level="$1"

  if [ "${level}" = "error" ]; then
    level=err
  fi
  dbus_call "${MM1}" "${MM1_OBJECT}" "${MM1_IMANAGER}.SetLogging" \
    "string:${level}"
}

#
# For interactions with modemfwd.
#
MODEMFWD=org.chromium.Modemfwd
MODEMFWD_OBJECT=/org/chromium/Modemfwd
MODEMFWD_IFACE=org.chromium.Modemfwd

force_flash() {
  local device="$1"
  [ -z "${device}" ] && error_exit "No device_id provided."

  dbus_call "${MODEMFWD}" "${MODEMFWD_OBJECT}" "${MODEMFWD_IFACE}.ForceFlash" \
    "string:${device}"
}