#!/bin/bash

if [ -f /etc/default/bigcouch ]; then
	. /etc/default/bigcouch
fi

if [ -f /etc/sysconfig/bigcouch ]; then
        . /etc/sysconfig/bigcouch
fi

RETVAL=0
USER=${BIGCOUCH_USER:-bigcouch}
BIN_FILE=${BIGCOUCH_BIN:-/opt/bigcouch/bin/bigcouch}
export HOME=${BIGCOUCH_HOME:-/srv}

[ -f ${BIN_FILE} ] || exit 1

# Detect core count
CORES=`grep -E "^processor" /proc/cpuinfo |wc -l`
if [ "${CORES}" = "1" ]; then
        BEAM=beam
else
        BEAM=beam.smp
fi

start() {
        mkdir -p ${HOME}
        chown -R ${USER} ${HOME}
        mkdir -p /var/log/bigcouch
        chown -R ${USER} /var/log/bigcouch

        cd ${HOME}
        if [ "$(whoami)" == "${USER}" ]; then
		exec ${BIN_FILE}
        else
        	exec su -s /bin/bash -c "${BIN_FILE}" ${USER}
        fi
        RETVAL=$?
}

stop() {
        for i in `pidof ${BEAM}`; do
                if cat /proc/$i/cmdline | grep -Eq "name[^\-]+bigcouch"; then
                        kill $i
                        RETVAL=$?
                fi
        done
}

status() {
        RETVAL=1
        for i in `pidof ${BEAM}`; do
                if cat /proc/$i/cmdline | grep -Eq "name[^\-]+bigcouch"; then
                        echo "bigcouch (pid $i) is running..."
                        if which curl &>/dev/null; then
                                curl localhost:5984/_membership
                        fi
                        RETVAL=0
                fi
        done
        if [ ${RETVAL} -eq 1 ]; then
                echo "bigcouch is not running!"
        fi
}

case "$1" in
        start)
                start
                ;;
        stop)
                stop
                ;;
        status)
                status
                ;;
        *)
                echo $"Usage: $0 (start|stop|status)"
                RETVAL=1
esac

exit ${RETVAL}