#! /bin/bash
# vim: set tabstop=4 shiftwidth=4 expandtab filetype=sh:

if [[ ! $(dpkg -l irssi 2> /dev/null | grep '^ii') ]]; then
    echo "Installing irssi..."
    supo apt-get -y update
    sudo apt-get -y install irssi &> /dev/null
    sudo apt-get -y clean
fi

if [[ $1 == "-n" && $2 ]]; then
    nickname=$2
elif [[ $1 == "-n" ]]; then
    nickname="0"
elif [[ -f ~/.irssi/a2c.nickname ]]; then
    nickname=$(cat ~/.irssi/a2c.nickname)
else
    nickname=
fi

while [[ ! $nickname || ! $(grep -i '^[a-z_\-\\^{}|`][a-z0-9_\-\\^{}|`]*$' <<< $nickname) ]]; do
    echo -n "Enter a nickname for chat (to change later, use 'a2chat -n'): "
    read
    nickname=$REPLY
done

mkdir -p ~/.irssi
echo $nickname > ~/.irssi/a2c.nickname

if [[ -f ~/.irssi/startup ]]; then
    mv ~/.irssi/startup ~/.irssi/startup.orig
fi
# SOME broken versions of bash have an intentionally broken
# echo -e for no justifiable reason.  Yes I mean YOU, Apple!
echo "/network add -autosendcmd '/join #a2c.chat' Palomino.A2
/server add -auto -network Palomino.A2 irc.a2central.com\n" > ~/.irssi/startup

if [[ -f ~/.irssi/config ]]; then
    cp ~/.irssi/config ~/.irssi/config.orig
fi

irssi -n $nickname

rm ~/.irssi/startup &> /dev/null
if [[ -f ~/.irssi/startup.orig ]]; then
    mv ~/.irssi/startup.orig ~/.irssi/startup
fi

rm ~/.irssi/config &> /dev/null
if [[ -f ~/.irssi/config.orig ]]; then
    mv ~/.irssi/config.orig ~/.irssi/config
fi