#!/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    decommission_UI.sh
#
# @author  (last)      Vy Duong
# @date    (last)      26-May-2023
# @author  (original)  Vy Duong
# @date    (original)  26-May-2023
#
############################################################################

# @details

#  This file is called by UI Software to remove and reset the device to a decommissioned state
if [ $# -eq 0 ]; then
    currentFile=$(basename "$0")
    echo "Usage: ./$currentFile <partition path>"
    exit 0
fi

ERR_PARTITION_NOT_DECRYPTED=256 #TODO determine agreed on error return value

LOC_PARTITION="$1" # TODO as something passed in ? 
LOC_SETTINGS_CONF="/home/root/scripts/settings.conf" #TODO update to reflect real location
LOC_DEFAULT_SETTINGS_CONF="/home/root/scripts/default_settings.conf" #TODO update to reflect real location

LOC_WIFI_CONF="/etc/wpa_supplicant/wpa_supplicant-wlan0.conf"
LOC_BLUETOOTH_CONF="/etc/bluetooth/main.conf"

# ------------------------------ Remove Wifi Conf
if [ -f $LOC_WIFI_CONF ]; then
	rm "$LOC_WIFI_CONF"
	echo "Deleted Wifi Conf"
fi

# ------------------------------ Remove Bluetooth Conf
if [ -f $LOC_BLUETOOTH_CONF ]; then
	rm "$LOC_BLUETOOTH_CONF"
	echo "Deleted Bluetooth Conf"
fi

# ------------------------------ Reset Settings Conf
cp $LOC_DEFAULT_SETTINGS_CONF $LOC_SETTINGS_CONF
    
#TODO reset service password


# ------------------------------ Remove Logs
rm -rf /media/sd-card/log
rm -rf /media/sd-card/service
rm -rf /media/sd-card/treatment


# ------------------------------ Format Former Encrypted Partition
# Assuming the partition is decrypted in advance
luksDump=$(cryptsetup isLuks $LOC_PARTITION)

if [ $luksDump  ]; then
	echo "FAILED : $LOC_PARTITION needs to be decrypted"
	exit ERR_PARTITION_NOT_DECRYPTED
else 
	# proceed to format the partition
	mkfs.ext4 $LOC_PARTITION
fi

# ------------------------------ Remove CloudSync Token
# TODO remove the cloudsync token ? Need additional info on how

exit 0