#!/sbin/openrc-run
# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

: ${SVCGROUP:=scigraph}
: ${SVCUSER:=scigraph}
: ${SERVICES_CONFIG:="/var/lib/scigraph/services.yaml"}
: ${SERVICES_LOG_LOC:="/var/log/${SVCNAME}"}

clean_opts() {
    if [ ${JVM_VERSION} -gt "1" ]; then
        echo $(echo "${SERVICES_OPTS}" | sed -e '/^[ ]*\/\//d' -e 's|[ ]*//.*| |' -e 's|^| |' | tr -d "\n");
        echo "-Xlog:gc:${SERVICES_LOG_LOC}/gc.log -Xlog:gc*:${SERVICES_LOG_LOC}/gcd.log"
    else
        echo $(echo "${SERVICES_OPTS_8}" | sed -e '/^[ ]*\/\//d' -e 's|[ ]*//.*| |' -e 's|^| |' | tr -d "\n");
        echo "-Xloggc:${SERVICES_LOG_LOC}/gc.log"
    fi
    echo "-XX:HeapDumpPath=${SERVICES_LOG_LOC}/heap.dump"
}

JAVA_HOME=$(java-config -O)
[ -n "${GENTOO_VM}" ] && JAVA_HOME=$(java-config --select-vm="${GENTOO_VM}" -O)

description="${SVCNAME} daemon"
command="${JAVA_HOME}/bin/java"

JVM_VERSION="$(${command} -version 2>&1 | head -n1 | cut -d\" -f2 | cut -d. -f1)"
if [ ${JVM_VERSION} -gt "1" ]; then
    SVC_JVM_OPENS="--add-opens java.base/java.lang=ALL-UNNAMED --add-opens java.base/sun.nio.ch=ALL-UNNAMED"
else
    SVC_JVM_OPENS=""
fi

SVC_JAR="/usr/share/scigraph-services/scigraph-services.jar"
SERVICES_FOLDER="/usr/share/scigraph-services"
SERVICES_LOG="${SERVICES_LOG_LOC}/sysout.log"
SERVICES_OPTS="$(clean_opts)"

command_background="true"
run_dir=${run_dir:-/run}
pidfile="${run_dir}/${SVCNAME}/pid"
command_args="${SVC_JVM_OPENS} ${SERVICES_OPTS} -jar \"${SVC_JAR}\" server ${SERVICES_CONFIG}"
start_stop_daemon_args="
--wait=5000
--group ${SVCGROUP}
--user ${SVCUSER}
--stdout ${SERVICES_LOG}
--stderr ${SERVICES_LOG}
--env DISPLAY=${DISPLAY}"

depend() {
    after net
}

checkconfig () {
    [ -f ${SERVICES_CONFIG} ] || (echo "Config error. Please correct!" ; return 1)
}

start_pre() {
    checkconfig || return 1
    if [ ! -d "${SERVICES_LOG_LOC}" ]; then
        mkdir -p ${SERVICES_LOG_LOC}
    fi
    if [ ! -f "${SERVICES_LOG}" ]; then
       touch "${SERVICES_LOG}"
    fi
    chown -R ${SVCUSER}:${SVCGROUP} ${SERVICES_LOG_LOC}
    if [ ! -f "/tmp/.X${DISPLAY//:}-lock" ] ; then
        Xvfb ${DISPLAY} -screen 0 1024x768x24 &
    fi
    checkpath --directory --mode 0700 --owner root:root "${run_dir}/${SVCNAME}"
}