#!/usr/bin/env sh

# Argument parsing instead of positional arguments
while true; do
	case "$1" in
		'-b'|'--binary')
			binary=$2
			shift 2
			continue
		;;
		'-s'|'--serial')
			serial=$2
			shift 2
			continue
		;;
		'-f'|'--flasher-target')
			flasher_target=$2
			shift 2
			continue
		;;
		'-t'|'--target')
			bin_target=$2
			shift 2
			continue
		;;
		'-i'|'--flash-image')
			flash_image="--flash"
			shift 1
			continue
		;;
		'--')
			shift
			break
		;;
		*)
			break
		;;
	esac
done

if [[ -z $binary ]]; then
	binary=nop
fi

echo "Flashing '${binary}' example"

if [[ -z $serial ]]; then
	serial=/dev/ttyUSB0
fi

echo "Flashing using TTY device: '${serial}'"

if [[ -z $flasher_target ]]; then
	flasher_target=$(rustc -vV | sed -n 's|host: ||p')
fi

echo "Using target-triple for 'flasher' tool: ${flasher_target}"

if [[ -z $bin_target ]]; then
	bin_target=$(cat .cargo/config.toml | sed -n 's|target="\(.*\)"|\1|p')
fi

echo "Using target-triple for '${binary}' binary: ${bin_target}"

if [[ -d ../build ]]; then
	rm -rf ../build
fi

pushd ../flasher

cargo clean && cargo build --release --target ${flasher_target}
mkdir -p ../build
mv ../target/${flasher_target}/release/flasher ../build/bin-flasher

popd

cargo clean

../build/bin-flasher --serial ${serial} --target ${bin_target} ${flash_image}