#!/bin/sh
###########################################################################
#
# Copyright (c) 2021-2023 Diality Inc. - All Rights Reserved.
#
# THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
# WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
#
# @file    wifi_info.sh
#
# @author  (last)      Behrouz NematiPour
# @date    (last)      15-Jan-2025
# @author  (original)  Behrouz NematiPour
# @date    (original)  15-Jan-2025
#
############################################################################

# Description
#   Gets the active connection information
# Parameters
#   No Parameters
# Retruns
#   A csv string of the active connection info 
#       with the columns defined $COLUMNS in order.
# Considerations 
#   For the Application to work with the List of APs 
#   - it has to be sorted by SSID
#   - it has to use defined columns exactly as has been defined in $COLUMN.

# sources
. ./_errors_
. ./_functions_

# variables
PARAM_COUNT=0
COLUMNS="IP4.ADDRESS,IP4.GATEWAY,IP4.DNS"

# functions

# checks
check_param_count "$#" "$PARAM_COUNT"

# main
SSID="$(sudo nmcli -t -f NAME connection show --active)"
check_result "$?" "$ERR_CMDFAIL_WIFI_INFO_SSID"

IPMASK="$(sudo nmcli -t -g IP4.ADDRESS device show wlan0)"
check_result "$?" "$ERR_CMDFAIL_WIFI_INFO_IPMASK"

ADDR="$(echo $IPMASK | sed 's/\/.*//g')"
check_result "$?" "$ERR_CMDFAIL_WIFI_INFO_ADDR"

MASK="$(sudo ipcalc -m "$(echo $IPMASK)" | sed "s/NETMASK=//g")"
check_result "$?" "$ERR_CMDFAIL_WIFI_INFO_MASK"

GATEWAY="$(sudo nmcli -t -g IP4.GATEWAY device show wlan0)"
check_result "$?" "$ERR_CMDFAIL_WIFI_INFO_GATEWAY"

DNS="$(sudo nmcli -t -g IP4.DNS device show wlan0 | sed "s/ //g"| sed 's/|/,/g')"
check_result "$?" "$ERR_CMDFAIL_WIFI_INFO_DNS"

echo "$SSID,$ADDR,$MASK,$GATEWAY,$DNS"
exit 0