#!/bin/bash
usage() {
	echo ""
	echo "$0 <build|clean> <package>"
	echo ""
	echo "Builds/cleans a package for all projects/devices/systems of Lakka"
	echo ""
}

[ $# -lt 2 -o $# -gt 2 ] && { usage ; echo -e "Error: no or incorrect number of parameters!\n" ; exit 1 ; }

case $1 in
	clean)
		action=$1
		script="./scripts/clean"
		activity="Cleaning"
		;;
	build)
		action=$1
		script="./scripts/build"
		activity="Compilation"
		;;
	*)
		usage
		echo -e "Error: action '$1' not valid!\n"
		exit 2
		;;
esac

# existing targets in format PROJECT|DEVICE|ARCH
targets="\
	Allwinner|A64|arm \
	Allwinner|H3|arm \
	Allwinner|H6|arm \
	Amlogic|AMLG12|arm \
	Amlogic|AMLGX|arm \
	Generic||x86_64 \
	Generic||i386 \
	L4T|Switch|aarch64 \
	NXP|iMX6|arm \
	OdroidXU3||arm \
	Rockchip|MiQi|arm \
	Rockchip|OdroidGoAdvance|arm \
	Rockchip|RK3328|arm \
	Rockchip|RK3399|arm \
	Rockchip|TinkerBoard|arm \
	RPi|GPICase|arm \
	RPi|RPi|arm \
	RPi|RPi2|arm \
	RPi|RPi3|aarch64 \
	RPi|RPi4|arm \
	RPi|RPi4|aarch64 \
	RPi|RPi4-PiBoyDmg|aarch64 \
	RPi|RPi4-RetroDreamer|aarch64 \
	"

package=$2
declare -i failed=0
failed_targets=""
skipped_targets=""
distro="Lakka"
version_file="distributions/${distro}/version"
[ -f "$version_file" ] && source $version_file
if [ -z "$OS_VERSION" -o -z "$LIBREELEC_VERSION" ]; then
	echo "OS_VERSION or LIBREELEC_VERSION empty / not set in '$version_file'!"
	echo "  OS_VERSION=$OS_VERSION"
	echo "  LIBREELEC_VERSION=$LIBREELEC_VERSION"
	echo "Bailing out!"
	exit 127
fi

for T in $targets ; do
	IFS='|' read -r -a build <<< "$T"
	project=${build[0]}
	device=${build[1]}
	arch=${build[2]}
	target_name=${device:-${project}}.${arch}
	if [ "$IGNORE_VERSION" = "1" ]; then
		build_folder=build.${distro}-${target_name}
	else
		if [ "$LIBREELEC_VERSION" = "devel" ]; then
			build_folder=build.${distro}-${target_name}-${OS_VERSION}-${LIBREELEC_VERSION}
		else
			build_folder=build.${distro}-${target_name}-${LIBREELEC_VERSION}
		fi
	fi
	echo "Processing package '$package' for '$target_name':"
	if [ ! -d "$build_folder" ] ; then
		skipped_targets+="$target_name\n"
		echo "No build folder - skipping."
	else
		PROJECT=$project DEVICE=$device ARCH=$arch $script $package
		if [ $? -gt 0 ] ; then
			failed+=1
			failed_targets+="$target_name\n"
			echo "$activity of package '$package' failed for '$target_name'!"
		else
			echo "$activity of package '$package' succeeded for '$target_name'."
		fi
	fi
done
[ -n "$skipped_targets" ] &&
	echo -e "Following targets were skipped - could not find existing build folder:\n$skipped_targets\n\n"
if [ $failed -gt 0 ] ; then
	echo -e "\nFailed to ${action} package '$package' on following targets:\n${failed_targets}" >&2
else
	echo "Done."
fi
exit $failed