#!/bin/bash

function usage () {
    echo ""
    echo "Run as $0 <xsd file> <namespace> <setname (mds file name)>"
    echo "E.g. xsd_to_mds.bat C:\<full-path>\CDWALite-xsd-public-v1-1.xsd cdwalite CDWALite"
    echo ""
}

# Check for 3 cmd line args
if [ -z "$3" ]; then
    usage
fi

# xsd input file and setName of mds file for output
xsd=$1
mds=$2

if [ ! -f "$xsd" ]; then
    echo "XSD file $xsd does not exist."
    exit -1
fi

if [ "x$GSDLHOME" = "x" ]; then
    echo "No GSDLHOME set. Source the (gs3-)setup.(ba)sh file in your Greenstone before running this script."
    exit -1
fi

outputdir=
if [ "x$GSDL3SRCHOME" != "x" ]; then
    outputdir=$GSDL3SRCHOME
else
    outputdir=$GSDLHOME
fi
outputfile=$outputdir/gli/metadata/$mds.mds
xsl=$outputdir/gli/classes/xml/xsd-to-mds.xsl

if [ ! -f "$xsl" ]; then
    echo "XSLT file $xsl can't be found."
    exit -1
fi

# See internal wiki page Writing_XSL#Running_ApplyXSLT_to_apply_an_XSLT_file_from_the_command_line
# Bash doesn't like quotes (escaped quotes) around _any_ of the file paths below.
mycmd="java -cp $GSDLHOME/bin/java/xalan.jar:$GSDLHOME/bin/java/ApplyXSLT.jar:$GSDLHOME/bin/java/. org.nzdl.gsdl.ApplyXSLT -t $xsl -x $xsd -o $outputfile"


# Call the command
$mycmd
status=$?

# http://stackoverflow.com/questions/11079017/operations-on-boolean-variables
if [ $status != 0 ]; then
    echo "*** Failed running: $mycmd"
    echo "Return status: $status"
    exit -1
elif [ ! -e "$outputfile" ]; then
    echo "**** XSLT transform failed: the file $outputfile was not generated. Ran command:"
    echo "$mycmd"
    exit -1
else
    echo "The file $outputfile has been generated."
fi
echo ""