#!/bin/bash
serverlang=en

java_min_version=1.8.0

autoset_gsdl_home() {

  # remove leading ./ if present
  prog="${0#./}"

  isrelative="${prog%%/*}"

  if [ ! -z $isrelative ] ; then
    # some text is left after stripping
    # => is relative
    pwd="$PWD"
    prog="$pwd/$prog"
  fi

  fulldir="${prog%/*}"

  # remove trailing /. if present
  eval $1=\""${fulldir%/.}"\"
}

check_gsdl3home_writable() {

    echo "Checking if the Greenstone3 web directory is writable ..."
    (echo "This is a temporary file. It is safe to delete it." > "$GSDL3HOME/testing.tmp" ) 2>/dev/null
    if [ -e "$GSDL3HOME/testing.tmp" ] ; then
	/bin/rm "$GSDL3HOME/testing.tmp"
	gsdl3home_isreadonly=0
	echo " ... yes."
    else
	gsdl3home_isreadonly=1
	gsdl3_writablebasedir="/tmp/greenstone"

	echo " ... no."
	echo "Setting Greenstone3 writable basedir area to be: $gsdl3_writablebasedir"

    fi
}

echo "Greenstone 3 Server"
echo "Copyright (C) 2009, New Zealand Digital Library Project, University Of Waikato"
echo "This software comes with ABSOLUTELY NO WARRANTY; for details see LICENSE.txt"
echo "This is free software, and you are welcome to redistribute it"

##  -------- Run the Greenstone 3 Server --------


##  ---- Determine GSDL3SRCHOME ----
gsdl3path=

# Some users may set the above line manually
if [ -z "$gsdl3path" ]; then
   autoset_gsdl_home "gsdl3path"
fi

# Setup Greenstone3
pushd $gsdl3path > /dev/null
source ./gs3-setup.sh

popd > /dev/null


check_gsdl3home_writable

export CLASSPATH=$GSDL3HOME/WEB-INF/lib/log4j-1.2.16.jar:$CLASSPATH

opt_properties=
if [ $gsdl3home_isreadonly = 1 ] ; then
    opt_properties="-Dgsdl3home.isreadonly=true -Dgsdl3.writablebasedir=$gsdl3_writablebasedir"
    export CLASSPATH=$gsdl3_writablebasedir/web/WEB-INF/classes:$CLASSPATH
fi

# Calling ant target to initialize the gsdl3-writablebasedir area (if it doesn't already exist)
# ... including the all important global.properties.

ant $opt_properties configure-web


# JRE_HOME or JAVA_HOME must be set correctly to run this program
PRIORITY_HINT="`pwd`/packages/jre"
if [ "$GSDLOS" = "darwin" ]; then
    # On mac, when double clicking the gs3-server.app icon, the current working dir is not $GSDL3SRCHOME
    if [ ! -d "$PRIORITY_HINT" ]; then
	PRIORITY_HINT="$GSDL3SRCHOME/packages/jre"
    fi
    if [ ! -d "$PRIORITY_HINT" ]; then
	PRIORITY_HINT=`/usr/libexec/java_home`
    fi
    
    # set the mac icon for when launching this script manually 
    if [ -f "$GSDL3SRCHOME/gs3-server.app/Contents/Resources/ApplicationStub.icns" ]; then
	opt_properties="$opt_properties -Xdock:icon=gs3-server.app/Contents/Resources/ApplicationStub.icns"
    fi
fi

javapath=`search4j -p "$PRIORITY_HINT" -m $java_min_version -e` 
if [ "$?" == "0" ]; then
    # In Java code, '...getResourceAsStream("build.properties")'
    # needs up to be in the right directory when run
    pushd "$gsdl3path" > /dev/null

    "$javapath" $opt_properties org.greenstone.server.Server3 "$GSDL3SRCHOME" $serverlang &

    popd > /dev/null
fi