#!/bin/bash

#script to connect mobilinkd TNC for ax25 
#20200602
#20220304 last edit KM4ACK
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#special thanks to Rich for loaning me a TNC3 to test with
MYPATH=$HOME/patmenu2
LOGO=$MYPATH/pmlogo.png
clear
KISS=$(pidof kissattach)
DIRE=$(pidof direwolf)
ARDOP=$(pidof piardopc)
TMPFILE=/run/user/$UID/scan.txt
EXISTING=`bluetoothctl paired-devices | grep Mobilinkd`

#see if we already have a TNC paired
#if [ -z "$EXISTING" ]; then
#yad --title="Mobilinkd Error" --width=400 --height=100 \
#--image $LOGO --window-icon=$LOGO --image-on-top --text-align=center --on-top \
#--center --form --text="\r\r\r\rNo Mobilinkd devices paired with this pi. \
#To pair, turn your Mobilinkd on, open a terminal window, and run\r <b>~/patmenu2/mobi-pair</b>\rand then start \
#the mobilinkd modem again." \
#--button=gtk-ok
#exit 1
#fi

#see if we already have a TNC paired
if [ -z "$EXISTING" ]; then
yad --title="Mobilinkd Error" --width=400 --height=100 \
--image $LOGO --window-icon=$LOGO --image-on-top --text-align=center --on-top \
--center --form --text="\r\r\r\rNo Mobilinkd devices paired with this pi. \
Turn on your Mobilinkd before attempting to pair." \
--button="Pair Now:1" \
--button="Exit:2"
BUT=$?

	if [ "$BUT" = '2' ] || [ "$BUT" = '252' ]; then
	exit
	elif [ "$BUT" = '1' ]; then
	lxterminal -e $HOME/patmenu2/mobi-pair
	exit
	fi

fi


#verify other services that might interfere aren't running
if [ -n "$KISS" ] || [ -n "$DIRE" ] || [ -n "$ARDOP" ]; then
yad --title="Stop Modems" --width=400 --height=100 \
--image $LOGO --window-icon=$LOGO --image-on-top --text-align=center --on-top \
--center --form --text="\r\r\r\rIt appears that other modems are running. Please \
stop all modems and try again." \
--button=gtk-ok
exit 1
fi

#give user some feedback
yad --center --timeout=10 --timeout-indicator=top --no-buttons --height=300 --width=300 \
--title="Scanning" --image $LOGO --window-icon=$LOGO --image-on-top \
--text="Scanning for device. This takes about 20 seconds to complete. \
Another notice will appear once a connection to the device is established." &

#scan for bluetooth device and write to file
hcitool scan > $TMPFILE

#Decide if its a TNC 2 or 3
TNC2=$(grep -i TNC2 $TMPFILE)
TNC3=$(grep -i TNC3 $TMPFILE)
if [ -z "$TNC2" ]
then 
MAC=$(grep -i mobi $TMPFILE | awk '{ print $1 }')
TNC=3
elif [ -z "$TNC3" ]
then
MAC=$(grep -i mobi $TMPFILE | awk '{ print $1 }')
TNC=2
fi

#set correct connection commmand
if [ $TNC = "2" ]
then
CONNECT="sudo rfcomm bind /dev/rfcomm0 $MAC"
elif [ $TNC = "3" ]
then
CONNECT="sudo rfcomm bind /dev/rfcomm0 $MAC 6"
fi

#See if device was found and connect if found
if [ -z "$MAC" ]
then
yad --title="Mobilinkd MODEM" --width=400 --height=100 \
    --image $LOGO --window-icon=$LOGO --image-on-top --text-align=center --on-top \
    --center --form --text="\r\r\r\rMobilinkd NOT FOUND" \
    --button=gtk-ok
      rm $TMPFILE
exit 1
else
      #stop things that might conflict
      sudo killall kissattach direwolf >> /dev/null 2>&1
yad --center --timeout=6 --timeout-indicator=top --no-buttons --height=300 --width=300 \
--title="Detected" --image $LOGO --window-icon=$LOGO --image-on-top \
--text="Mobilinkd TNC $TNC detected. Just a few more seconds." &
      rm $TMPFILE
      #create bluetooth->serial connection
      $CONNECT &
      sleep 5


		#create kissattach needed for winlink connections
      		sudo kissattach /dev/rfcomm0 wl2k &
		sleep 3 
		sudo kissparms -c 1 -p wl2k
fi

#verify that kissattach is running
PIDPIC=$(pidof kissattach)
if [ -z "$PIDPIC" ]
then
yad --title="FAILED" --width=400 --height=100 \
    --image $LOGO --window-icon=$LOGO --image-on-top --text-align=center \
    --center --form --text="The Mobilinkd Modem FAILED to Start" \
    --button=gtk-ok
else
yad --title="Mobilinkd MODEM" --width=400 --height=100 \
    --image $LOGO --window-icon=$LOGO --image-on-top --text-align=center --on-top \
    --center --form --text="\r\r\r\rThe Mobilinkd Modem has Started" \
    --button=gtk-ok &
fi

#restart pat so terminal window correctly reflects rig control
sudo systemctl restart pat@`whoami`

source $HOME/patmenu2/config

#open pat inbox in browser
export DISPLAY=:0 && xdg-open http://127.0.0.1:$PORT > /dev/null 2>&1 &