#!/bin/bash

#Script to send text message to regular cellphones via Winlink
#20JULY2022 KM4ACK

#subject CANNOT be blank
SUBJECT="Winlink text msg"
#PHONE_LIST=/run/user/$UID/my_phonelist.txt
PHONE_LIST=$HOME/patmenu2/sms/myphonelist.txt
MAIN=$HOME/patmenu2/sms/manage-sms

UNKNOWN(){
#send message to every carrier in the list
while read line in ; do
CARRIER=$(echo $line | awk -F "=" '{print $2}')
if [ -n "$CARRIER" ]; then
TO="-c $PHONE$CARRIER"
echo $TO >> /run/user/$UID/$PHONE.txt
fi
done <$PHONE_LIST

#remove the "-c" from the first address on the list
sed -i '0,/-c /{s/-c //}' /run/user/$UID/$PHONE.txt
TO=$(cat /run/user/$UID/$PHONE.txt)
rm /run/user/$UID/$PHONE.txt

#compose message and send to pat outbox
echo "$MESSAGE" | pat compose $TO -s "$SUBJECT"
yad --center --timeout=3 --timeout-indicator=top --no-buttons --text="Message posted to Pat outbox." &
exit
}

#get list of carriers to populate dialog carrier box on main screen
CARRIER=$(cat $PHONE_LIST | awk -F"=" '{print $1"|"}')

#main menu
SETTING=$(yad --center --width=500 --wrap --window-icon=$HOME/Pi-APRS/ISS.png \
--title="Send Text Messages via Winlink" --text="Please complete the following:" \
--form --separator="|" --item-separator="|" \
--field="Phone Number" "$PHONE" \
--field="Carrier":CB "${CARRIER[@]}" \
--field="Message" "$MSG" \
--button="Post Message" \
--button="Cancel"
)
BUT=$?

#check to see if user wants to exit
if [ $BUT = 252 ]; then
echo "goodbye"
exit
elif [ $BUT = 1 ]; then
$MAIN &
exit
fi

#check to see if carrier is unknown. If so, send to UNKNOWN function.
CARRIER=$(echo $SETTING | awk -F"|" '{print $2}' | sed 's/ //')
if [ "$CARRIER" = 'Unknown' ]; then
PHONE=$(echo $SETTING | awk -F"|" '{print $1}')
MESSAGE=$(echo $SETTING | awk -F"|" '{print $3}')
UNKNOWN
fi


PHONE=$(echo $SETTING | awk -F"|" '{print $1}' | sed 's/ //g')
CARRIER=$(echo $SETTING | awk -F"|" '{print $2}' | sed 's/ //g')
CARRIER=$(cat $PHONE_LIST | grep "$CARRIER" | sed 's/.*=//')
TO=$PHONE$CARRIER
MESSAGE=$(echo $SETTING | awk -F"|" '{print $3}')

if [ -z "$PHONE" ]; then
yad --center --width=300 --wrap --window-icon=$HOME/Pi-APRS/ISS.png \
--title="ERROR" --text="Phone Number Can't Be Blank!" \
--button=gtk-ok
$MAIN &
exit
fi



echo "$MESSAGE" | pat compose "$TO" -s "$SUBJECT"

yad --center --timeout=3 --timeout-indicator=top --no-buttons --text="Message posted to Pat outbox."
$MAIN &
exit