#!/bin/bash

PIDFILE=/tmp/calibre-server.pid
RUNAS=gwh
PORT=8081
# uncomment and adapt to enable authtentication
AUTH="" # " --username=\"$RUNAS\" --password=\"password\""
OPTIONS=" --enable-local-write"
LOGFILE=/home/$RUNAS/.calibre-server.log
CALIBRE_LIBRARY_PATH="/home/$RUNAS/Documents/eBooks/Livres/"

start() {
    echo "Starting Calibre server..."
    if [ ! -d $CALIBRE_LIBRARY_PATH ]; then
        echo "Library $CALIBRE_LIBRARY_PATH isn't accessible"
        exit
    fi

    su $RUNAS -c "calibre-server --port=$PORT --pidfile=$PIDFILE --log=$LOGFILE --daemonize $AUTH $OPTIONS \"$CALIBRE_LIBRARY_PATH\"" &

    [ $? -ne 0 ] && echo "Could not start calibre-server."
}

stop() {
    echo "Stopping Calibre server..."
    if [ ! -e $PIDFILE ]; then
        echo "Could not find pidfile: $PIDFILE"
        exit
    fi

    read PID < $PIDFILE
    ps aux | grep "$PID" | grep 'calibre-server' > /dev/null
    RUNNING=$?
    if [ $RUNNING -eq 0 ]; then
        kill $PID
        [ $? -eq 0 ] && rm $PIDFILE
    else
        echo "Could not find a calibre-server process with PID $PID."
    fi
}

case $1 in
    start )
        start
        ;;
    stop )
        stop
        ;;
    restart )
        stop
        start
        ;;
    status )
        if [ -e $PIDFILE ]; then
            read PID < $PIDFILE
            echo "calibre-server is running with PID $PID."
        else
            echo "calibre-server is not running."
        fi
        ;;
    * )
        echo "Unrecognized command: $1"
        echo "Try one of the following: (start|stop|restart|status)"
        ;;
esac