#!/bin/bash

if ! [[ $# -eq 3 ]]; then
    echo "Usage: $0 [Python.framework] [AppBundle.app] [AppBundle.app/Contents/MacOS/Executable]"
    exit 1
fi

python_version=python3.6

py_framework=$1
appbundle=$2
executable=$3

echo "Embedding $py_framework into $appbundle"

mkdir -p "$appbundle/Contents/Frameworks" || exit 1
cp -a "$py_framework" "$appbundle/Contents/Frameworks/" || exit 1

echo "Making executable $executable point to embedded Framework"
install_name_tool -change `otool -L "$executable" | sed -n "s/^[[:blank:]]*\([^[:blank:]]*Python\) (.*$/\1/p"` @executable_path/../Frameworks/Python.framework/Versions/Current/Python "$executable" 

echo "Cleaning up embedded Python Framework"
cd "$appbundle/Contents/Frameworks/Python.framework" || exit 1
find . | grep -E "(__pycache__|\.pyc|\.pyo$)" | xargs rm -rf || exit 1
rm -r Versions/Current/Resources/* Versions/Current/lib/python3.6/test Versions/Current/lib/python3.6/idlelib Versions/Current/lib/python3.6/curses Versions/Current/lib/python3.6/lib2to3 || exit 1

echo "Checking if PySide2 is available"

pyside_prefix=$(pkg-config --variable=prefix pyside2)
if [ $? -ne 0 ]; then
	echo "PySide2 is not available, ignoring."
	exit 0
fi

echo "PySide is at $pyside_prefix"

cp -va "$pyside_prefix/lib/$python_version/" "Versions/Current/lib/$python_version" || exit 1
cd .. # $appbundle/Contents/Frameworks
cp -va "$pyside_prefix/lib/"*.dylib . || exit 1