#!/bin/bash

export PATH=$HOME/bin:$HOME/Qt5.5/5.5/clang_64/bin:$PATH
swipl=$HOME/bin/swipl
app=swipl-win.app

copy_files=true

done=false
while [ $done = false ]; do
  case $1 in
    --no-copy)
      copy_files=false
      shift
      ;;
    *)
      done=true
      ;;
  esac
done

eval `$swipl --dump-runtime-variables`
VMAJOR=$(($PLVERSION/10000))
VMINOR=$(($PLVERSION%10000/100))
VPATCH=$(($PLVERSION%100))

version="$VMAJOR.$VMINOR.$VPATCH"

if [ ! -z "$PLVERSIONTAG" ]; then
  version="$version-$PLVERSIONTAG"
fi

echo "$version" > VERSION

if [ $copy_files = true ]; then
  printf "Deploying Qt ..."
  macdeployqt $app
  printf "done\n"
  printf "Copying $PLBASE ..."
  rsync -a $PLBASE $app/Contents
  rm -rf $app/Contents/swipl/pack
  printf "ok\n"
fi

abs_libswipl=$PLBASE/lib/$PLARCH/libswipl.dylib
rel_lib=@executable_path/../swipl/lib/$PLARCH
rel_libswipl=$rel_lib/libswipl.dylib

echo old: $abs_libswipl
echo new: $rel_libswipl

cd $app/Contents
if [ $(basename $PLBASE) != swipl ]; then
  ln -s $(basename $PLBASE) swipl
fi

# Make SWI-Prolog find its home
echo swipl > swipl.home

# Install the tradional binaries too
cp swipl/bin/$PLARCH/swipl* MacOS

# Install icon and bundle meta-data
cp ../../swipl.icns Resources
cp ../../../../man/macosx/macosx.html Resources/swipl-macosx.html
cp ../../../../man/macosx/License.html Resources/
cp ../../../../man/macosx/SWIapp.html Resources/

cat > Info.plist << _EOF_
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist SYSTEM "file://localhost/System/Library/DTDs/PropertyList.dtd">
<plist version="0.9">
<dict>
	<key>NSPrincipalClass</key>
	<string>NSApplication</string>
	<key>CFBundleShortVersionString</key>
	<string>$version</string>
	<key>CFBundleIconFile</key>
	<string>swipl</string>
	<key>CFBundleDisplayName</key>
	<string>SWI-Prolog</string>
	<key>CFBundlePackageType</key>
	<string>APPL</string>
	<key>CFBundleGetInfoString</key>
	<string>Created by the SWI-Prolog project</string>
	<key>NSHumanReadableCopyright</key>
	<string>LGPL</string>
	<key>CFBundleSignature</key>
	<string>swpl</string>
	<key>CFAppleHelpAnchor</key>
	<string>swipl-macosx.html</string>
	<key>CFBundleExecutable</key>
	<string>swipl-win</string>
	<key>CFBundleIdentifier</key>
	<string>org.swi-prolog.swipl-win</string>
	<key>CFBundleDocumentTypes</key>
	<array>
	<dict>
	  <key>CFBundleTypeExtensions</key>
	  <array>
	  <string>pl</string>
	  <string>prolog</string>
	  </array>
	  <key>CFBundleTypeName</key>
	  <string>Prolog source</string>
	  <key>CFBundleTypeIconFile</key>
	  <string>swipl</string>
	  <key>CFBundleTypeRole</key>
	  <string>Shell</string>
	  <key>LSHandlerRank</key>
          <string>Default</string>
	</dict>
	</array>
</dict>
</plist>
_EOF_


printf "Fixing path to libswipl.dylib "
for f in MacOS/* swipl/bin/$PLARCH/* swipl/lib/$PLARCH/*; do
  case "$(file $f)" in
    *Mach-O*)
      old_libswipl=$(otool -L $f | grep libswipl.dylib | awk '{print $1}')
      if [ ! -z "$old_libswipl" -a $(basename $f) != libswipl.dylib ]; then
        printf "."
        install_name_tool -change $old_libswipl $rel_libswipl $f
      fi
      ;;
    *)
      #printf "Skipped $f: $(file $f)\n"
  esac
done
printf 'ok\n'

# Getting dependencies from the Macport project into the bundle.
# Note that we could consider turning these into a Macports framework.

printf "Adding Macport dylibs to the bundle\n"
changeset="$(echo swipl/lib/$PLARCH/*)"
while [ ! -z "$changeset" ]; do
  newchanges=
  for f in $changeset; do
    case "$(file $f)" in
      *Mach-O*)
	opt_dep=$(otool -L $f | grep /opt/local | awk '{print $1}')
	if [ ! -z "$opt_dep" ]; then
	  change=""
	  for dep in $opt_dep; do
	    file="swipl/lib/$PLARCH/$(basename $dep)"
	    if [ ! -f $file ]; then
	      printf "   Adding $dep ... "
	      cp $dep swipl/lib/$PLARCH
	      chmod 755 $file
	      newchanges="$newchanges $file"
	      printf 'ok\n'
            fi
	    change="$change -change $dep $rel_lib/$(basename $dep)"
	  done
	  if [ ! -z "$change" ]; then
	    install_name_tool $change $f
	  fi
	fi
	;;
      *)
    esac
  done
  changeset="$newchanges"
done

# final naming.  Hack
cd ../..
rm -rf SWI-Prolog.app
mv $app SWI-Prolog.app