configure.win

# configure script that automatically downloads jaspColumnEncoder if it is missing.
# to manual specify a location for jaspColumnEncoder and not download it, do
#
# options(configure.vars = c(jaspResults = "INCLUDE_DIR='-I<path>/github/jaspColumnEncoder -I<path>/github'"))
# install.packages("jaspResults", ...)

DOWNLOAD_SUCCESS=1

if [ "${INCLUDE_DIR}" ]; then

	echo "Found INCLUDE_DIR: ${INCLUDE_DIR}"
	DOWNLOAD_SUCCESS=0
	PKG_CPPFLAGS="${INCLUDE_DIR}"

else

	PKG_CPPFLAGS='-I"../inst/include/jaspColumnEncoder" -I"../inst/include"'
	mkdir -p 'inst/include'

	echo "seeing if git is available"
	if git --version 2>&1 >/dev/null; then

		if [ -d 'inst/include/jaspColumnEncoder' ] && [ -d 'inst/include/jaspColumnEncoder/.git' ]; then

			echo 'Fetching and pulling existing repo'
			WORK_TREE="$(pwd)/inst/include/jaspColumnEncoder"
			git --git-dir="${WORK_TREE}/.git" --work-tree="${WORK_TREE}" fetch origin
			git --git-dir="${WORK_TREE}/.git" --work-tree="${WORK_TREE}" pull
			DOWNLOAD_SUCCESS=0

		else

			echo 'Cloning c++ dependency jaspColumnEncoder'
			rm -rf 'inst/include/jaspColumnEncoder'
			git clone --depth 1 https://github.com/jasp-stats/jaspColumnEncoder.git inst/include/jaspColumnEncoder
			DOWNLOAD_SUCCESS=0

		fi

	fi

	if [ "${DOWNLOAD_SUCCESS}" -ne "0" ]; then

		echo "seeing if curl is available"
		if curl --version 2>&1 >/dev/null; then

			echo 'Downloading jaspColumnEncoder with curl'

			rm -rf 'inst/include/jaspColumnEncoder'
			mkdir -p 'inst/include/jaspColumnEncoder'

			curl --silent --location https://api.github.com/repos/jasp-stats/jaspColumnEncoder/tarball | tar xz --strip=1 --directory inst/include/jaspColumnEncoder
			DOWNLOAD_SUCCESS=$?

		fi
	fi

	if [ "${DOWNLOAD_SUCCESS}" -ne "0" ]; then

		echo "seeing if wget is available"
		if wget --version 2>&1 >/dev/null; then

			echo 'Downloading jaspColumnEncoder with wget'

			rm -rf 'inst/include/jaspColumnEncoder'
			mkdir -p 'inst/include/jaspColumnEncoder'

			wget --quiet --output-document=- https://api.github.com/repos/jasp-stats/jaspColumnEncoder/tarball | tar xz --strip=1 --directory inst/include/jaspColumnEncoder
			DOWNLOAD_SUCCESS=$?

		fi
	fi

fi

if [ "${DOWNLOAD_SUCCESS}" -ne "0" ]; then
	printf "Installing jaspResults failed because the required C++ dependency jaspColumnEncoder is missing.\n\
Normally this is downloaded automatically if either git, curl, or wget is available, but apparently this failed.\n\
Either download \"https://github.com/jasp-stats/jaspColumnEncoder\" manually and specify the path through configure.args,\
download git, or download curl.\n\
If you're specifying configure.args manually, note that you must provide the location of jaspColumnEncoder and the\
location of the parent directory (e.g., the default is '-I\"../inst/include/jaspColumnEncoder\" -I\"../inst/include\"'))
"
	exit 1
fi

sed -e "s|@cppflags@|${PKG_CPPFLAGS}|" src/Makevars.in > src/Makevars.win

exit 0