#!/bin/bash

chat="~/.chat"

install()
{
        staffUsers=$(cat /etc/group | grep staff | awk -F: '{print $4}' | tr ',' ' ')
        mkdir -p /usr/local/chat
        cd /usr/local/chat/
        mkdir -p $(echo "$staffUsers")
        touch $(echo $staffUsers | tr ' ' '\n' | awk '{print "/usr/local/chat/" $1 "/private.chat"}')
        chmod -R 775 /usr/local/chat
}
install

listen()
{
        tail -f echo /usr/local/chat/$USER/private.chat
}
send()
{
        user=$(echo $1 | awk -F@ '{print $1}')
        vm=$(echo $1 | awk -F@ '{print $2}')
#       echo "Send to ${user}@${vm}"
        p2vm $vm exec 'echo -e "\\n'$c_white_bg$c_black$USER'@'$HOSTNAME$c_ $(date +%D\ %T)' '$c_cyan${@:2}$c_'" >> /usr/local/chat/'$user'/private.chat' -sy
}
repl()
{
        read -re -p "chat> " mess
        echo -e "$c_white_bg$c_black$USER@$HOSTNAME$c_ $(date +%D\ %T) $c_cyan$mess$c_"
        send $1 $mess
        repl $1
}

if [[ $1 = "listen" ]]
then
        listen
else
        [[ -z $2 ]] && repl $1 || send $@
fi