#! /bin/bash
#
# This file is part of DisOrder
# Copyright (C) 2008 Richard Kettlewell
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
# USA
#

set -e

echo
echo ------------------------------------------------------------------------
echo "DisOrder setup script"

case $(uname -s) in
Darwin )
  os=mac
  user=daemon
  group=daemon
  ;;
* )
  os=unknown
  user=daemon
  group=daemon
  ;;
esac

echo
echo "This script will:"
echo " - overwrite any existing configuration"
case $os in
mac )
  echo " - set the server up to be run at boot time"
  echo " - start the server"
  ;;
esac
echo
echo "If this is not what you want, press ^C."
echo ------------------------------------------------------------------------

while :; do
  echo
  echo "What directory or directories contain your music files:"
  echo "(enter one or more directories separated by spaces)"
  read -r roots
  ok=true
  for root in $roots; do
    if [ ! -d $root ]; then
      echo "'$root' does not exist"
      ok=false
    fi
  done
  if $ok; then
    break
  fi
done

if [ -z "$encoding" ]; then
  echo 
  echo "What filesystem encoding should I assume for track names?"
  echo "(e.g. UTF-8, ISO-8859-1, ...)"
  read -r encoding
fi

while :; do
  echo
  echo "What TCP port should DisOrder listen on?"
  echo "(enter 'none' for none)"
  read -r port
  case $port in
  none )
    break
    ;;
  [^0-9] )
    echo "'$port' is not a valid port number"
    continue
    ;;
  * )
    break
    ;;
  esac
done

echo
echo "What host should DisOrder use as an SMTP server?"
read -r smtp_server
  
echo
echo "What address should mail from DisOrder come from?"
read -r mail_sender

echo
echo "Proposed DisOrder setup:"
echo " Music directory:       $roots"
if [ $port = none ]; then
  echo " Do not listen on a TCP port"
else
  echo " TCP port to listen on: $port"
fi
echo " SMTP Server:           $smtp_server"
echo " Sender address:        $mail_sender"

echo "Is this OK?  (Enter 'y' or 'n')"
read -r ok
case $ok in
y )
  ;;
* )
  echo
  echo "OK, didn't change anything."
  exit 0
  ;;
esac

mkdir -p pkgconfdir

rm -f pkgconfdir/config.new
for root in $roots; do
  echo "collection fs $encoding $root" >> pkgconfdir/config.new
done
for scratch in slap.ogg scratch.ogg; do
  echo "scratch pkgdatadir/$scratch" >> pkgconfdir/config.new
done
echo "user $user" >> pkgconfdir/config.new
if [ $port != none ]; then
  echo "listen 0.0.0.0 $port" >> pkgconfdir/config.new
fi

echo
echo "Proposed pkgconfdir/config:"
sed < pkgconfdir/config.new 's/^/  /'
echo
echo "Is this OK?  (Enter 'y' or 'n')"
read -r ok
case $ok in
y )
  ;;
* )
  echo
  echo "OK, not installing it."
  rm -f pkgconfdir/config.new
  exit 0
  ;;
esac
echo
echo "Installing pkgconfdir/config"
mv pkgconfdir/config.new pkgconfdir/config

echo "Making sure that pkgstatedir exists"
mkdir -p pkgstatedir
chown $user:$group pkgstatedir
chmod 2755 pkgstatedir

case $os in
mac )
  echo "Installing the plist into /Library/LaunchDaemons/"
  cp server/uk.org.greenend.rjk.disorder.plist /Library/LaunchDaemons/.
  echo "Reloading launchd"
  launchctl load /Library/LaunchDaemons
  echo "Starting DisOrder server"
  launchctl start uk.org.greenend.rjk.disorder
  ;;
* )
  echo "Sorry, I don't know how to install the server on this platform."
  echo "You will have to do that by hand."
  exit 1
  ;;
esac