#! /bin/sh

### BEGIN INIT INFO
# Provides:          couchpotato
# Required-Start:    $local_fs $network $remote_fs
# Required-Stop:     $local_fs $network $remote_fs
# Should-Start:      $NetworkManager
# Should-Stop:       $NetworkManager
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: starts instance of CouchPotato
# Description:       starts instance of CouchPotato using start-stop-daemon
### END INIT INFO

# Check for existance of defaults file
# and utilze if available
if [ -f /etc/default/couchpotato ]; then
    . /etc/default/couchpotato
else
    echo "/etc/default/couchpotato not found using default settings.";
fi

. /lib/lsb/init-functions

# Script name
NAME=couchpotato

# App name
DESC=CouchPotato

## Don't edit this file
## Edit user configuation in /etc/default/couchpotato to change
##
## CP_USER= #$RUN_AS, username to run couchpotato under, the default is couchpotato
## CP_HOME= #$APP_PATH, the location of couchpotato.py, the default is /opt/couchpotato
## CP_DATA= #$DATA_DIR, the location of couchpotato.db, cache, logs, the default is /var/opt/couchpotato
## CP_PIDFILE= #$PID_FILE, the location of couchpotato.pid, the default is /var/run/couchpotato/couchpotato.pid
## PYTHON_BIN= #$DAEMON, the location of the python binary, the default is /usr/bin/python
## CP_OPTS= #$EXTRA_DAEMON_OPTS, extra cli option for couchpotato, i.e. " --config_file=/home/couchpotato/couchpotato.ini"
## SSD_OPTS= #$EXTRA_SSD_OPTS, extra start-stop-daemon option like " --group=users"
##
## EXAMPLE if want to run as different user
## add CP_USER=username to /etc/default/couchpotato
## otherwise default couchpotato is used

# Run CP as username
RUN_AS=${CP_USER-couchpotato}

# Path to app
# CP_HOME=path_to_app_CouchPotato.py
APP_PATH=${CP_HOME-/opt/couchpotato/}

# Data directory where couchpotato.db, cache and logs are stored
DATA_DIR=${CP_DATA-/var/opt/couchpotato}

# Path to store PID file
PID_FILE=${CP_PIDFILE-/var/run/couchpotato/couchpotato.pid}

# path to python bin
DAEMON=${PYTHON_BIN-/usr/bin/python}

# Extra daemon option like: CP_OPTS=" --config=/home/couchpotato/couchpotato.ini"
EXTRA_DAEMON_OPTS=${CP_OPTS-}

# Extra start-stop-daemon option like START_OPTS=" --group=users"
EXTRA_SSD_OPTS=${SSD_OPTS-}


PID_PATH=`dirname $PID_FILE`
DAEMON_OPTS=" CouchPotato.py --quiet --daemon --pid_file=${PID_FILE} --data_dir=${DATA_DIR} ${EXTRA_DAEMON_OPTS}"


test -x $DAEMON || exit 0

set -e

# Create PID directory if not exist and ensure the CouchPotato user can write to it
if [ ! -d $PID_PATH ]; then
    mkdir -p $PID_PATH
    chown $RUN_AS $PID_PATH
fi

if [ ! -d $DATA_DIR ]; then
    mkdir -p $DATA_DIR
    chown $RUN_AS $DATA_DIR
fi

if [ -e $PID_FILE ]; then
    PID=`cat $PID_FILE`
    if ! kill -0 $PID > /dev/null 2>&1; then
        echo "Removing stale $PID_FILE"
        rm $PID_FILE
    fi
fi

case "$1" in
  start)
        touch $PID_FILE
        chown $RUN_AS $PID_FILE
        echo "Starting $DESC"
        start-stop-daemon -d $APP_PATH -c $RUN_AS $EXTRA_SSD_OPTS --start --pidfile $PID_FILE --exec $DAEMON -- $DAEMON_OPTS
        ;;
  stop)
        echo "Stopping $DESC"
        start-stop-daemon --stop --pidfile $PID_FILE --retry 15 --oknodo
        ;;

  restart|force-reload)
        echo "Restarting $DESC"
        start-stop-daemon --stop --pidfile $PID_FILE --retry 15 --oknodo
        start-stop-daemon -d $APP_PATH -c $RUN_AS $EXTRA_SSD_OPTS --start --pidfile $PID_FILE --exec $DAEMON -- $DAEMON_OPTS
        ;;

  status)
       status_of_proc -p $PID_FILE "$DAEMON" "$NAME"
        ;;
  *)
        N=/etc/init.d/$NAME
        echo "Usage: $N {start|stop|restart|force-reload|status}" >&2
        exit 1
        ;;
esac

exit 0