#!/bin/bash
# exit if not enough arguments provided
if [ $# \< 6 ]
then
    echo -e "\033[1;31m[ERROR]\033[0m Not enough arguments"
    exit 1
fi
# exit if invalid Bluetooth address provided
if ! [ `echo "$1" | egrep "^([0-9a-fA-F]{2}:){5}[0-9a-fA-F]{2}$"` ]
then
    echo -e "\033[1;31m[ERROR]\033[0m Invalid Bluetooth address"
    exit 1
fi

# set user-specific config options, if arguments aren't "x"
sed -i "s/\[bluetooth address\]/$1/g" ~/.bluetooth-proximity-locking/btpl.sh
echo -e "\033[1;32m[OK]\033[0m Bluetooth address set"
if [ "$2" != "x" ]
then
    sed -i "s/scanPeriod = 2.5/scanPeriod = $2/g" ~/.bluetooth-proximity-locking/btpl.py
    echo -e "\033[1;32m[OK]\033[0m Scan period set"
else
    echo -e "\033[1;32m[OK]\033[0m Scan period left as default"
fi
if [ "$3" != "x" ]
then
    sed -i "s/leftRange = \"gnome-screensaver-command -l\"/leftRange = $3/g" ~/.bluetooth-proximity-locking/btpl.py
    echo -e "\033[1;32m[OK]\033[0m Left range command set"
else
    echo -e "\033[1;32m[OK]\033[0m Left range command left as default"
fi
if [ "$4" != "x" ]
then
    sed -i "s/enteredRange = \"gnome-screensaver-command -d\"/enteredRange = $4/g" ~/.bluetooth-proximity-locking/btpl.py
    echo -e "\033[1;32m[OK]\033[0m Entered range command set"
else
    echo -e "\033[1;32m[OK]\033[0m Entered range command left as default"
fi
if [ "$5" != "x" ]
then
    sed -i "s/maxMissed = 3/maxMissed = $5/g" ~/.bluetooth-proximity-locking/btpl.py
    echo -e "\033[1;32m[OK]\033[0m Maximum missed set"
else
    echo -e "\033[1;32m[OK]\033[0m Maximum missed left as default"
fi
if [ "$6" != "x" ]
then
    sed -i "s/rangeLimit = 7/rangeLimit = $6/g" ~/.bluetooth-proximity-locking/btpl.py
    echo -e "\033[1;32m[OK]\033[0m Range limit set"
else
    echo -e "\033[1;32m[OK]\033[0m Range limit left as default"
fi

# display final success message
echo -e "\033[1;32m[OK]\033[0m Bluetooth Proximity Locking configured successfully"