#/bin/bash

echo "Checking status of mympd system user and group"
getent group mympd > /dev/null
[ "$?" = "2" ] && groupadd -r mympd
getent passwd mympd > /dev/null
[ "$?" = "2" ] && useradd -r mympd -g mympd -d /var/lib/mympd -s /usr/sbin/nologin

echo "Trying to link musicdir to library"
if [ -f /etc/mpd.conf ]
then
  LIBRARY=$(grep ^music_directory /etc/mpd.conf | awk {'print $2'} | sed -e 's/"//g')
  [ "$LIBRARY" != "" ] && [ ! -e /usr/share/mympd/htdocs/library ] && ln -s "$LIBRARY" /usr/share/mympd/htdocs/library
else
  echo "/etc/mpd.conf not found, you must link your music_directory manually to /usr/share/mympd/htdocs/library"
fi

echo "Linking pics directory"
[ -e /usr/share/mympd/htdocs/pics ] || ln -s /var/lib/mympd/pics /usr/share/mympd/htdocs/

if [ -d /etc/systemd ]
then
  echo "Installing systemd service"
  [ -d /usr/lib/systemd/system ] || mkdir -p /usr/lib/systemd/system 
  if [ contrib/mympd.service -nt /usr/lib/systemd/system/mympd.service ]
  then
    cp contrib/mympd.service /usr/lib/systemd/system/
    systemctl daemon-reload
  fi
  systemctl enable mympd
fi

# move smartpls into place unless already existing
for PLDIST in /var/lib/mympd/smartpls/*.dist
do
  if [ -f "$PLDIST" ]
  then
    PLS=$(basename $PLDIST .dist)
    if [ -f /var/lib/mympd/smartpls/$PLS ]
    then
      rm $PLDIST
    else
      mv -v $PLDIST /var/lib/mympd/smartpls/$PLS
    fi
  fi
done

# move config into place unless already existing
if [ ! -f /etc/mympd/mympd.conf ]
then 
  mv /etc/mympd/mympd.conf.dist /etc/mympd/mympd.conf
else
  echo "mympd.conf installed as mympd.conf.dist"
fi

#default state files
[ -f /var/lib/mympd/state/jukeboxMode ] || echo -n "0" > /var/lib/mympd/state/jukeboxMode
[ -f /var/lib/mympd/state/jukeboxPlaylist ] || echo -n "Database" > /var/lib/mympd/state/jukeboxPlaylist
[ -f /var/lib/mympd/state/jukeboxQueueLength ] || echo -n "1" > /var/lib/mympd/state/jukeboxQueueLength
[ -f /var/lib/mympd/state/autoPlay ] || echo -n "false" > /var/lib/mympd/state/autoPlay
[ -f /var/lib/mympd/state/notificationPage ] || echo -n "true" > /var/lib/mympd/state/notificationPage
[ -f /var/lib/mympd/state/notificationWeb ] || echo -n "false" > /var/lib/mympd/state/notificationWeb
[ -f /var/lib/mympd/state/colsBrowseDatabase ] || echo -n '["Track","Title","Duration"]' > /var/lib/mympd/state/colsBrowseDatabase
[ -f /var/lib/mympd/state/colsBrowseFilesystem ] || echo -n '["Type","Title","Artist","Album","Duration"]' > /var/lib/mympd/state/colsBrowseFilesystem
[ -f /var/lib/mympd/state/colsPlayback ] || echo -n '["Artist","Album","Genre"]' > /var/lib/mympd/state/colsPlayback
[ -f /var/lib/mympd/state/colsBrowsePlaylistsDetail ] || echo -n '["Pos","Title","Artist","Album","Duration"]' > /var/lib/mympd/state/colsBrowsePlaylistsDetail
[ -f /var/lib/mympd/state/colsQueueCurrent ] || echo -n '["Pos","Title","Artist","Album","Duration"]' > /var/lib/mympd/state/colsQueueCurrent
[ -f /var/lib/mympd/state/colsQueueLastPlayed ] || echo -n '["Pos","Title","Artist","Album","LastPlayed"]' > /var/lib/mympd/state/colsQueueLastPlayed
[ -f /var/lib/mympd/state/colsSearch ] || echo -n '["Title","Artist","Album","Duration"]' > /var/lib/mympd/state/colsSearch

echo "Fixing ownership of /var/lib/mympd"
chown -R mympd.mympd /var/lib/mympd

if [ -d /etc/mympd/ssl ]
then
  echo "Certificates already created"
else
  echo "Creating certificates"
  /usr/share/mympd/crcert.sh
fi

echo "myMPD installed"
echo "Edit /etc/mympd/mympd.conf before starting myMPD"