#!/bin/sh

# TODO: make sure only nagios can write to $inputf and $msgf, else do not run

# configuration area
nick='nagios'
chan='#ops'
server='irc.anarchyplanet.org'
email='nagios@anarchyplanet.org'
password='mysecretpass'
port='6667'
inputf=/tmp/ircinput
msgf=/tmp/ircmsg
logf=/tmp/notify_irc.log
joinmsg="nagios bot reporting"

touch $msgf

connect() {
	echo "NICK $nick" > $inputf
	echo "USER $nick 8 * : $nick" >> $inputf
	echo "PRIVMSG NickServ : identify $password" >> $inputf
	echo "JOIN $chan" >> $inputf
	echo "PRIVMSG $chan : $joinmsg" >> $inputf
}
reconnect() {
	exec $0
}
delay() {
    while read line
    do
        sleep 1.5
        echo $line
    done
}
register() {
    echo "PRIVMSG NickServ : register $password $email" >> $inputf
}
loop() {
    tail -f $msgf | delay | while read line
    do
        echo "PRIVMSG #ops : $line" >> $inputf
    done
}

connect

loop &

tail -f $inputf | delay | nc $server $port | while read msg
do
    echo "$msg" | tee $logf
    case "$msg" in
        *'PING'*) echo "$msg" | sed 's/PING/PONG/' >> $inputf
        ;;
        *'is not a registered nickname.'*) register
        ;;
        *'You have not registered'*) register
        ;;
        *'You have not joined'*) echo "JOIN $chan" >> $inputf
        ;;
        *'Cannot join'*) sleep 10; echo "JOIN $chan" >> $inputf
        ;;
	*'ERROR :Closing link:'*) reconnect
	;;
    esac
done