#!/bin/sh

fail () {
cat <<EOF
ERROR: $1
Usage: $0 [options] <action>
  -h for more details
EOF
exit 1
}

usage() {
cat <<EOF
Usage: $0 [options] <action>
where [options] include:

  -h print this message and exit
  
  -p <port> the port that gridworks will listen to
     default: 3333

  -d enable JVM debugging (on port 8000)
  
  -s <mode> enable profiling   
     (available modes are "hprof" and "yourkit")
     
  -x enable JMX monitoring (for jconsole and friends)
  
and <action> is one of

   run          Run Gridworks (default)
    
   eclipse      Build Eclipse project files
            
EOF
exit 0
}

absolute_path () {
  case $1 in
    /*) echo $1; ;;
    *) echo `pwd`/$1; ;;
  esac
}

add_option () {
  MAVEN_OPTS="$MAVEN_OPTS $1"
}

### Parse the command line args.

MAVEN_OPTS="$GRIDWORKS_OPTS -Djava.awt.headless=true"

while [ $# -ne 0 ] ; do
  case "x$1" in
    x-p) shift; GRIDWORKS_PORT="$1"; shift; ;;
    x-d) shift; add_option '-Xdebug -Xrunjdwp:transport=dt_socket,address=8000,server=y,suspend=n'; ;;
    x-s) shift; 
        case "$1" in
          profile)
            add_option '-Xrunhprof:heap=all,cpu=samples,thread=y,depth=3'; ;;
          shark)
            add_option '-Xrunshark'; ;;
          yourkit)
            if [ "$YOURKIT_HOME" = "" ] ; then
                echo "YOURKIT_HOME should be set to Yourkit Java Profiler absolute path"
                exit
            fi
            if [ `uname` = 'Linux' ] ; then
              if [ "`uname -a | grep x86_64`" ] ; then
                # Assume Linux AMD 64 has 64-bit Java
                export LD_LIBRARY_PATH="$YOURKIT_HOME/bin/linux-amd64:$LD_LIBRARY_PATH"
              else
                # 32-bit Java
                export LD_LIBRARY_PATH="$YOURKIT_HOME/bin/linux-x86-32:$LD_LIBRARY_PATH"
              fi
            elif [ `uname` = 'Darwin' ] ; then
              # Mac OS X
              export DYLD_LIBRARY_PATH="$YOURKIT_HOME/bin/mac:$DYLD_LIBRARY_PATH"
            elif [ `uname` = 'SunOS' ] ; then
              # Solaris, unlike Linux, probes entire LD_LIBRARY_PATH instead of stopping after first improper shared library
              LD_LIBRARY_PATH="$YOURKIT_HOME/bin/solaris-sparc-32:$YOURKIT_HOME/bin/solaris-sparc-64:$YOURKIT_HOME/bin/solaris-x86-32:$YOURKIT_HOME/bin/solaris-x86-64:$LD_LIBRARY_PATH"
              export LD_LIBRARY_PATH
            fi
            add_option '-agentlib:yjpagent=sessionname=Gridworks'; ;;
        esac
        shift; ;;
    x-x) shift; add_option '-Dcom.sun.management.jmxremote'; ;;
    x-h) usage; ;;
    *) ACTION="$1"; shift; ;;
  esac
done

# ----- Verify and Set Required Environment Variables -------------------------

if [ "$JAVA_OPTIONS" = "" ] ; then
  JAVA_OPTIONS="-Xms256M -Xmx1024M"
fi
add_option "$JAVA_OPTIONS"

if [ "$GRIDWORKS_PORT" = "" ] ; then
    GRIDWORKS_PORT="3333"
fi
add_option "-Djetty.port=$GRIDWORKS_PORT"

# ----- Respond to the action given. ----------------------------------------------------------

if [ "$ACTION" == '' ] ; then
    ACTION='run'
fi

case "$ACTION" in
  run) 
    OPEN=`which 'open'`
    if [ $OPEN != '' ] ; then
        $OPEN "http://127.0.0.1:$GRIDWORKS_PORT/"
    fi
  
    export MAVEN_OPTS
    echo "[INFO] MAVEN_OPTS: '$MAVEN_OPTS'"
    exec mvn $MAVEN_PARAMS jetty:run; ;;
    
  eclipse)
    mvn eclipse:clean
    mvn eclipse:eclipse; ;;
    
  *)
    fail "Unknown action '$ACTION'"; ;;
esac