#!/bin/sh

### BEGIN INIT INFO
# Provides:          mopidy
# Required-Start:    $network $local_fs $remote_fs
# Required-Stop:     $network $local_fs $remote_fs
# Should-Start:      alsa-utils pulseaudio
# Should-Stop:       alsa-utils pulseaudio
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Mopidy music server
### END INIT INFO

PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="Mopidy music server"
NAME=mopidy
DAEMON=/usr/bin/mopidy
DAEMON_USER=mopidy
DAEMON_GROUP=audio
CONFIG_FILES=$(printf ":%s" /etc/mopidy/extensions.d/*.conf /etc/mopidy/mopidy.conf)
CONFIG_FILES=$(echo $CONFIG_FILES | awk '{ s=substr($0, 2); print s; }')
DAEMON_ARGS="--quiet --config $CONFIG_FILES"
PIDFILE=/var/run/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME

# Exit if the package is not installed
[ -x $DAEMON ] || exit 0

# Read configuration variable file if present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME

# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh

# Define LSB log_* functions.
. /lib/lsb/init-functions

do_start()
{
    start-stop-daemon --start --quiet --name $NAME --pidfile $PIDFILE \
        --startas $DAEMON --test > /dev/null \
        || return 1
    start-stop-daemon --start --quiet --name $NAME --pidfile $PIDFILE \
        --chuid $DAEMON_USER:$DAEMON_GROUP --background --make-pidfile \
        --startas $DAEMON -- $DAEMON_ARGS \
        || return 2
}

do_stop()
{
    start-stop-daemon --stop --quiet --name $NAME --pidfile $PIDFILE \
        --retry=TERM/30/KILL/5
    RETVAL="$?"
    [ "$RETVAL" = 2 ] && return 2
    # Wait for children to finish too if this is a daemon that forks
    # and if the daemon is only ever run from this initscript.
    # This typically happens with pulseaudio.
    start-stop-daemon --stop --quiet --oknodo --user $DAEMON_USER \
        --retry=TERM/30/KILL/5
    [ "$?" = 2 ] && return 2
    rm -f $PIDFILE
    return "$RETVAL"
}

# Remove the action from $@ before it is used by the run action
action=$1
[ "$action" != "" ] && shift

case "$action" in
    start)
        [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC " "$NAME"
        do_start
        case "$?" in
            0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
            2)   [ "$VERBOSE" != no ] && log_end_msg 1 ;;
        esac
        ;;
    stop)
        [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
        do_stop
        case "$?" in
            0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
            2)   [ "$VERBOSE" != no ] && log_end_msg 1 ;;
        esac
        ;;
    status)
        status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
        ;;
    restart|force-reload)
        log_daemon_msg "Restarting $DESC" "$NAME"
        do_stop
        case "$?" in
            0|1)
                do_start
                case "$?" in
                    0) log_end_msg 0 ;;
                    1) log_end_msg 1 ;; # Old process is still running
                    *) log_end_msg 1 ;; # Failed to start
                esac
                ;;
            *)
                # Failed to stop
                log_end_msg 1
                ;;
        esac
        ;;
    run)
        if [ "$1" = "" ]; then
            echo "Usage: $SCRIPTNAME run [options-or-subcommands]"
            echo "Examples:"
            echo "  $SCRIPTNAME run --help"
            echo "  $SCRIPTNAME run config"
            echo "  $SCRIPTNAME run local scan"
            exit 3
        fi
        CMD="$DAEMON $DAEMON_ARGS $@"
        su -s /bin/sh -c "$CMD" -- $DAEMON_USER
        ;;
    *)
        echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload|run}" >&2
        exit 3
        ;;
esac

:
