#!/bin/bash
# set -x

# get helper type
if [ x"$1" != x ]; then
  HELPER="$1"
  shift
else
  echo "no helper type specified"
  exit 1
fi

case "$HELPER" in

none)
# js9Prefs.json: preference file
for file in js9Prefs.json js9prefs.js; do
  IPREFS=$file
  OPREFS=none-$file
  echo "Editing $IPREFS for no helper ..."
  sed 's#\("helperType" *:.*"\)[^"]*\("\)#\1none\2#' < $IPREFS > $OPREFS && mv $IPREFS{,-orig} && mv $OPREFS $IPREFS
done
;;

nodejs|socket.io)
# js9Prefs.json: preference file
for file in js9Prefs.json js9prefs.js; do
  IPREFS=$file
  OPREFS=nodejs-$file
  echo "Editing $IPREFS for Node.js helper ..."
  sed 's#\("helperType" *:.*"\)[^"]*\("\)#\1nodejs\2#' < $IPREFS > $OPREFS && mv $IPREFS{,-orig} && mv $OPREFS $IPREFS
done
;;

get|post)
if [ x"$1" != x ]; then
  CGIDIR="$1"
  shift
else
  echo "CGI install directory not configured"
  exit 1
fi

if [ x"$1" != x ]; then
    CGIURL="$1"
    shift
fi

if [ x"$1" != x ]; then
    CGIXPATH="$1"
    shift
fi

# js9Prefs.json: preference file
if [ x"$1" != x ]; then
    IPREFS="$1"
    shift
else
    IPREFS=js9Prefs.json
fi
OPREFS=js9Prefs-cgi.json

# js9Prefs.cgi: CGI helper script
ICGISCR="build/js9Helper-default.cgi"
OCGISCR="js9Helper.cgi"

# temp
myplugins="./analysis-plugins"

echo "Editing $IPREFS for CGI ($HELPER) helper ..."

jroot=`egrep "WEBDIR *=" Makefile | awk '{print $3}' | sed 's/^[ 	]*//;s/[ 	]*$//'`
if [ x"$jroot" != x ]; then
  X="$X;s#^JROOT=\".*\"#JROOT=\"$jroot\"#"
fi

jprefix=`egrep "^prefix *=" Makefile | awk '{print $3}' | sed 's/^[ 	]*//;s/[ 	]*$//'`
if [ x"$jprefix" != x ]; then
  jbin="$jprefix/bin"
fi
if [ x"$jbin" != x ]; then
  X="$X;s#^JBIN=\".*\"#JBIN=\"$jbin\"#"
fi

jworkdir=`egrep '"workDir" *:' $IPREFS | awk -F: '{print $NF}' |sed 's/"//g'  | sed 's/^[ 	]*//;s/[,} 	]*$//'`
if [ x"$jworkdir" != x ]; then
  X="$X;s#^JWORKDIR=\".*\"#JWORKDIR=\"$jworkdir\"#"
fi

jloadproxy=`egrep '"loadProxy" *:' $IPREFS | awk -F: '{print $NF}' |sed 's/"//g'  | sed 's/^[ 	]*//;s/[,} 	]*$//'`
if [ x"$jloadproxy" != x ]; then
  X="$X;s#^JLOADPROXY=\".*\"#JLOADPROXY=\"$jloadproxy\"#"
fi

jwrappers=`egrep '"analysisWrappers" *:' $IPREFS | awk -F: '{print $NF}' |sed 's/"//g'  | sed 's/^[ 	]*//;s/[,} 	]*$//'`
if [ x"$jwrappers" != x ]; then
  if [ x${jwrappers:0:1} != "x/" ]; then
    jwrappers="${jroot}/${jwrappers}"
  fi
  X="$X;s#^JWRAPPERS=\".*\"#JWRAPPERS=\"$jwrappers\"#"
fi

jplugins=`egrep '"analysisPlugins" *:' $IPREFS | awk -F: '{print $NF}' | sed 's/"//g'  | sed 's/^[ 	]*//;s/[,} 	]*$//'`
if [ x"$jplugins" != x ]; then
  if [ x${jplugins:0:1} != "x/" ]; then
    jplugins="${jroot}/${jplugins}"
  fi
  X="$X;s#^JPLUGINS=\".*\"#JPLUGINS=\"$jplugins\"#"
  if [ -d "$myplugins" -a -f "$myplugins/fits2png.json" ]; then
    jfits2png=`egrep '"action" *:' $myplugins/fits2png.json | awk -F: '{print $NF}' | sed 's/"//g'  | sed 's/^[ 	]*//;s/[,} 	]*$//'`
    if [ x"$jfits2png" != x ]; then
      X="$X;s#^JFITS2PNG=\".*\"#JFITS2PNG=\"$jfits2png\"#"
    fi
  fi
fi

jdatapath=`egrep '"dataPath" *:' $IPREFS | \
awk -F: '
{
  for(i=2; i<=NF; i++){
    if( X != "" ){
      X = X ":"
    }
    X = X $i
  }
}
END{
  print X
}' | \
sed 's/"//g'  | sed 's/^[ 	]*//;s/[,} 	]*$//'`
if [ x"$jdatapath" != x ]; then
  # expand $HOME so that we can specify $HOME/Desktop, etc.
  jdatapath=`echo $jdatapath | sed 's#\$HOME#'$HOME'#g'`
  X="$X;s#^JDATAPATH=\".*\"#JDATAPATH=\"$jdatapath\"#"
fi

if [ x"$CGIXPATH" != x ]; then
    X="$X;s#^JXPATH=\".*\"#JXPATH=\"$CGIXPATH\"#"
fi

echo "Creating $OCGISCR ..."
sed "$X" < $ICGISCR > $OCGISCR
chmod +x $OCGISCR

# if CGIURL was not specified or was specified as the default, use the prefs val
if [ x"$CGIURL" = x ]; then
  CGIURL=`egrep '"helperCGI" *:' $IPREFS | awk -F: '{print $NF}' | sed 's/"//g'  | sed 's/^[ 	]*//;s/[,} 	]*$//'`
  if [ x"$CGIURL" != x ]; then
    if [ x${CGIURL:0:1} != "x/" ]; then
      CGIURL="${jroot}/${CGIURL}"
    fi
  fi
fi

echo "Editing $IPREFS for CGI ..."
for file in js9Prefs.json js9prefs.js; do
  IPREFS=$file
  OPREFS=nodejs-$file
  echo "Editing $IPREFS for Node.js helper ..."
  sed 's#\("helperCGI" *:.*"\)[^"]*\("\)#\1'"$CGIURL"'/js9Helper.cgi\2#;s#\("helperType":.*"\)[^"]*\("\)#\1'$HELPER'\2#' < $IPREFS > $OPREFS && mv $IPREFS{,-orig} && mv $OPREFS $IPREFS
done
;;

esac

exit 0