#!/bin/sh
basedir="/tmp/pipechat"
[ -d $basedir ] || {
	mkdir $basedir 
	chmod 777 $basedir
}

[ -p $basedir/${USER} ] || {
	mkfifo $basedir/${USER}
	chmod 622 $basedir/${USER}
}	

while true; do cat $basedir/$USER; done &

listen_pid=$!

choice=""
choice2=""
while [ "$choice" != ":quit" ]
do
	echo "Type an available user or ':quit' to exit."
	echo "Available users:" 
	ls $basedir
	read choice
	[ -p $basedir/$choice ] && {
 		clear
		echo "Chat with $choice. --- Type ':quit' to exit"
		while true 
		do
			read choice2
			case $choice2 in
				:quit) break ;;
				:help) echo "Type :quit to quit." ;;
				#*) printf "\e[0;36m${USER}: $choice2\e[m\n" > $basedir/$choice ;; 
				*) printf "${USER}: $choice2\n" > $basedir/$choice ;; 
			esac	
		done
	}	

	[ -p $basedir/$choice ] || [ "$choice" = ":quit" ] || echo "$choice is not an available user"
done

kill $listen_pid