#!/bin/bash

# Pick one of these depending on how you want your access.
# NOTE - REST does not work.  B-(
#NeedARest=" -console=rest"
NeedARest=""
Screaming="true"
#Screaming=""

USER=$(whoami)
console_name="OpenSim_console"
screen_session=opensim/${console_name}
screen_check="screen -ls opensim/"
osversion="current"
bindir=/opt/opensim/${osversion}/bin
quiet=""

if [ "$1" = "-q" ]
then
    quiet="true"
    shift 1
fi
   
if [ "x$1" = "x" ]; then
    pathname=$(pwd)
    tgt=$(basename $pathname)
elif [ -d "./$1" ]; then
    tgt=$1
elif [ -d "./sim$1" ]; then
    tgt=sim$1
fi

if [ "x$tgt" = "x" ]; then
    echo "usage:"
    echo "    $ start-sim-in-rest <sim>"
    echo "where <sim> is one of: " robust sim[0-9][0-9]
    exit 1
fi

if [ $USER = "opensim" ]
then
    SUDO=""
else
    SUDO="sudo -Hu opensim"
fi

cd ${bindir}
if [ "x$Screaming" = "xtrue" ]
then
    if ($screen_check | grep -q ${console_name}); then
	echo "INFO: Screen already running"
	true
    else
	echo "DEBUG: Starting screen"
	$SUDO screen -d -m -S ${console_name}
   fi
fi

if [ "x$tgt" = "xrobust" ]; then
    exe="Robust"
else
    exe="OpenSim"
fi

inidir=/opt/opensim/config/${tgt}
cmd="/usr/bin/mono ${exe}.exe -inidirectory=${inidir} -logconfig=${inidir}/${exe}.exe.config $NeedARest"
title=$(head -n 1 ${inidir}/Regions/sim.ini )

# Check if it's already running.
if [ ! -e /var/run/opensim/${tgt} ]
then
    if [ "x$Screaming" = "xtrue" ]
    then
	echo "INFO: start process and connect to screen (opensim) $title"
	$SUDO screen -r ${screen_session} -p "-" -X screen -t "${title}" ${cmd}
    else
	$cmd
    fi
fi

if [ "x$quiet" = "x" ]
then
    # Either way, need to start up the console after.
    if [ "x$Screaming" = "xtrue" ]
    then
	echo "Starting screen client."
	screen -r ${screen_session} -A
    elif [ "x$NeedARest" != "x" ]
    then
	echo "Starting rest client."
	cd ${inidir}
	/usr/bin/mono ${bindir}/OpenSim.ConsoleClient.exe -logconfig=${inidir}/${exe}.exe.config
    fi
fi