#!/usr/bin/env bash

### BEGIN INIT INFO
# Provides: tisbackup_gui-uwsgi
# Required-Start: $all
# Required-Stop: $all
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: starts the uwsgi app server for tisbackup_gui
# Description: starts uwsgi app server for tisbackup_gui using start-stop-daemon
### END INIT INFO
set -e

VERSION=$(basename $0)
PATH=/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/local/bin/$VERSION
RUN=/var/run/
NAME=$VERSION
CONFIG_FILE=/etc/tis/tisbackup_gui.ini
LOGFILE=/var/log/$NAME.log
OWNER=root
DESC=$VERSION
OP=$1

DAEMON_OPTS=""

# Include uwsgi defaults if available
if [[ -f /etc/default/$VERSION ]]; then
    . /etc/default/$VERSION
fi

do_pid_check()
{
    local PIDFILE=$1
    [[ -f $PIDFILE ]] || return 0
    local PID=$(cat $PIDFILE)
    for p in $(pgrep $VERSION); do
        [[ $p == $PID ]] && return 1
    done
    return 0
}


do_start()
{
#    for config in $ENABLED_CONFIGS; do
        local PIDFILE=$RUN/$NAME.pid
        if do_pid_check $PIDFILE; then
            uwsgi -d $LOGFILE --pidfile $PIDFILE --ini $CONFIG_FILE
        
#            sudo -u $OWNER -i $VERSION $config $DAEMON_OPTS --pidfile $PIDFILE
        else
            echo "Already running!"
        fi
#    done
}

send_sig()
{
        local PIDFILE=$RUN/$NAME.pid
        set +e
        [[ -f $PIDFILE ]] && kill $1 $(cat $PIDFILE) > /dev/null 2>&1
        set -e
}

wait_and_clean_pidfiles()
{
        local PIDFILE=$RUN/$NAME.pid
        until do_pid_check $PIDFILE; do
            echo -n "";
        done
        rm -f $PIDFILE
}

do_stop()
{
    send_sig -3
    wait_and_clean_pidfiles
}

do_reload()
{
    send_sig -1
}

do_force_reload()
{
    send_sig -15
}

get_status()
{
    send_sig -10
}

case "$OP" in
    start)
        echo "Starting $DESC: "
        do_start
        echo "$NAME."
        ;;
    stop)
        echo -n "Stopping $DESC: "
        do_stop
        echo "$NAME."
        ;;
    reload)
        echo -n "Reloading $DESC: "
        do_reload
        echo "$NAME."
        ;;
    force-reload)
        echo -n "Force-reloading $DESC: "
        do_force_reload
        echo "$NAME."
       ;;
    restart)
        echo "Restarting $DESC: "
        do_stop
        sleep 3
        do_start
        echo "$NAME."
        ;;
    status)
        get_status
        ;;
    *)
        N=/etc/init.d/$NAME
        echo "Usage: $N {start|stop|restart|reload|force-reload|status}" >&2
        exit 1
        ;;
esac
exit 0