#!/bin/bash

phone="00:12:62:13:DB:19"

while true; do
        #try to connect
        sudo hcitool cc $phone &> /dev/null
        #count connections
        con=`hcitool con | grep $phone | wc -l`
        #disconect
        sudo hcitool dc $phone &> /dev/null

        if [ $con -eq 1 ]; then
                #we connected, we unlock
                if [ `pgrep -u thomas xlock | wc -l` -gt 0 ]; then
                        echo -n "U"
                        pkill    xlock &> /dev/null
                        pkill -9 xlock &> /dev/null
                fi
                echo -n "*"
                sleep $(( 10 * 60 ))
        else
                #failed to connect, we lock
                if [ `pgrep -u thomas xlock | wc -l` -eq 0 ]; then
                        echo -n "L"
                        xlock &> /dev/null &
                fi
                echo -n " "
        fi
done