#!/bin/bash
###############################################################################
#
#    build_app.sh: build app bundle for installing Medley Interlisp on MacOS
#
#    2023-02-23 Frank Halasz
#
#    Copyright 2023 by Interlisp.org
#
###############################################################################

APPNAME=Medley

# 2023-07-19 Temorary selector to allow us to create .zip asset before app/dmg work is finished
INCLUDE_APP="no"   # "yes" or "no"

#  Make sure we are in the right directory
if [ ! -f ./app/Info.plist ];
then
echo "Can't find ./app/Info.plist file."
echo "Incorrect cwd?"
echo "Should be in medley/installers/macos"
echo "Exiting"
exit 1
fi

# template for artifacts file names should be passed down in the ENV variable: ARTIFACTS_FILENAME_TEMPLATE
if [ -z "${ARTIFACTS_FILENAME_TEMPLATE}" ];
then
  ARTIFACTS_FILENAME_TEMPLATE="medley-full-@@PLATFORM@@-@@ARCH@@-@@MEDLEY.RELEASE@@_@@MAIKO.RELEASE@@"
fi

#
#  Setup directories
#
CWD=$(pwd)
RESULTS_DIR=${CWD}/artifacts
APPBUNDLE=${RESULTS_DIR}/${APPNAME}.app
APPBUNDLECONTENTS=${APPBUNDLE}/Contents
APPBUNDLEEXE=${APPBUNDLECONTENTS}/MacOS
APPBUNDLERESOURCES=${APPBUNDLECONTENTS}/Resources
APPBUNDLEICON=${APPBUNDLECONTENTS}/Resources
tmp_dir=${CWD}/tmp
tarball_dir=${tmp_dir}/tarballs

#  If running as a github action or -t arg, then skip downloading the tarballs
if ! [[ -n "${GITHUB_WORKSPACE}" || "$1" = "-t" ]];
then
  #  First, make sure gh is available and we are logged in to github
  if [ -z "$(which gh)" ];
  then
    echo "Can't find gh"
    echo "Exiting."
    exit 2
  fi
  gh auth status 2>&1 | grep --quiet --no-messages "Logged in to github.com"
  if [ $? -ne 0 ];
  then
    echo "Not logged into github."
    echo "Exiting."
    exit 3
  fi
  # then clear out the ./tmp directory
  rm -rf ${tmp_dir}
  mkdir -p ${tmp_dir}
  # then download the maiko and medley tarballs
  mkdir -p ${tarball_dir}
  echo "Fetching maiko and medley release tarballs"
  TAG=$(gh release list --repo interlisp/maiko | head -n 1 | awk "{print \$1 }")
  gh release download ${TAG} \
                      --repo interlisp/maiko \
                      --dir ${tarball_dir} \
                      --pattern "*darwin*.tgz"
  TAG=$(gh release list --repo interlisp/medley | head -n 1 | awk "{print \$1 }")
  gh release download ${TAG} \
                      --repo interlisp/medley \
                      --dir ${tarball_dir} \
                      --pattern "*-loadups.tgz" \
                      --pattern "*-runtime.tgz"
  gh repo clone interlisp/notecards notecards -- --depth 1
  (cd notecards; git archive --format=tgz --output=../notecards.tgz --prefix=notecards/ main)
  mv notecards.tgz ${tarball_dir}
  rm -rf notecards
fi

# Figure out release tags from tarball names
pushd ${tarball_dir} >/dev/null 2>/dev/null
medley_release=$(echo medley-*-loadups.tgz | sed "s/medley-\(.*\)-loadups.tgz/\1/")
maiko_release=$(echo maiko-*-darwin.x86_64.tgz | sed "s/maiko-\(.*\)-darwin.x86_64.tgz/\1/")
popd >/dev/null 2>/dev/null

if [ "${INCLUDE_APP}" = "yes" ]; then
	#
	#  Create bundle dirs
	#
	rm -rf ${RESULTS_DIR}
	mkdir -p ${RESULTS_DIR}
	rm -rf ${APPBUNDLE}
	mkdir -p ${APPBUNDLE}
	mkdir ${APPBUNDLE}/Contents
	mkdir ${APPBUNDLE}/Contents/MacOS
	mkdir ${APPBUNDLE}/Contents/Resources
	#
	#  Create icons and put in bundle
	#
	iconset_dir=${tmp_dir}/${APPNAME}.iconset
	rm -rf ${iconset_dir}
	mkdir -p ${iconset_dir}
	image_dir=${CWD}/images
	sips -z 16 16     ${image_dir}/App_icon1024.png --out ${iconset_dir}/icon_16x16.png >/dev/null 2>&1
	sips -z 32 32     ${image_dir}/App_icon1024.png --out ${iconset_dir}/icon_16x16@2x.png >/dev/null 2>&1
	sips -z 32 32     ${image_dir}/App_icon1024.png --out ${iconset_dir}/icon_32x32.png >/dev/null 2>&1
	sips -z 64 64     ${image_dir}/App_icon1024.png --out ${iconset_dir}/icon_32x32@2x.png >/dev/null 2>&1
	sips -z 128 128   ${image_dir}/App_icon1024.png --out ${iconset_dir}/icon_128x128.png >/dev/null 2>&1
	sips -z 256 256   ${image_dir}/App_icon1024.png --out ${iconset_dir}/icon_128x128@2x.png >/dev/null 2>&1
	sips -z 256 256   ${image_dir}/App_icon1024.png --out ${iconset_dir}/icon_256x256.png >/dev/null 2>&1
	sips -z 512 512   ${image_dir}/App_icon1024.png --out ${iconset_dir}/icon_256x256@2x.png >/dev/null 2>&1
	sips -z 512 512   ${image_dir}/App_icon1024.png --out ${iconset_dir}/icon_512x512.png >/dev/null 2>&1
	cp ${image_dir}/App_icon1024.png ${iconset_dir}/icon_512x512@2x.png
	iconutil -c icns -o ${tmp_dir}/${APPNAME}.icns ${iconset_dir}
	cp ${tmp_dir}/${APPNAME}.icns ${APPBUNDLEICON}/
	rm -r ${iconset_dir}
	rm ${tmp_dir}/${APPNAME}.icns
	#
	#  Update and copy in "control" files
	#
	sed -e "s/--VERSION_TAG--/${medley_release}.${maiko_release}.0/g" \
	    < app/Info.plist \
	    > ${APPBUNDLECONTENTS}/Info.plist
	cp app/PkgInfo ${APPBUNDLECONTENTS}/
fi #INCLUDE_APP

#
#  Untar the maiko and medley releases into the bundle
#
il_dir=${APPBUNDLE}/Contents/MacOS
mkdir -p ${il_dir}
tar -x -z -C ${il_dir} \
          -f "${tarball_dir}/maiko-${maiko_release}-darwin.universal.tgz"
tar -x -z -C ${il_dir} \
          -f "${tarball_dir}/medley-${medley_release}-runtime.tgz"
tar -x -z -C ${il_dir} \
          -f "${tarball_dir}/medley-${medley_release}-loadups.tgz"
tar -x -z -C ${il_dir} \
          -f "${tarball_dir}/notecards.tgz"
#
#  Handle run_medley needing separate directories for each arch
#
pushd ${il_dir}/maiko >/dev/null 2>&1
ln -s darwin.universal darwin.aarch64
ln -s darwin.universal darwin.x86_64
popd >/dev/null 2>&1
#
#  Add file icon to medley.command
#
if [ -z "$(which fileicon)" ];
then
  brew install fileicon
fi
fileicon set ${il_dir}/medley/scripts/medley/medley.command ${image_dir}/Command_icon128.png
#
#  Also create the zip file of il_dir for distribution
#
pushd ${il_dir} >/dev/null 2>&1
filename="$(echo ${ARTIFACTS_FILENAME_TEMPLATE} | sed -e "s#@@PLATFORM@@#macos#" -e "s#@@ARCH@@#universal#" -e "s#@@MEDLEY.RELEASE@@#${medley_release}#" -e "s#@@MAIKO.RELEASE@@#${maiko_release}#" )"
zip -r -6 -y -q  ${RESULTS_DIR}/${filename}.zip .
popd >/dev/null 2>&1

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