#!/usr/bin/env sh

usage() {
	1>&2 printf -- 'Usage: %s [-hrf]\n' "$0"
	1>&2 printf -- '\t-h: Show help menu\n'
	1>&2 printf -- '\t-r: Refresh repository\n'
	1>&2 printf -- '\t-x: Install VSCodium extensions\n'
	1>&2 printf -- '\t-f: Force install\n'
}

unset REFRESH CODIUM_EXTENSIONS FORCE
cd "$(dirname "$0")" || exit 1

while getopts "hrxf" opt; do
	case "$opt" in
	h)
		usage
		exit 0
		;;
	r)
		REFRESH=1
		;;
	x)
		CODIUM_EXTENSIONS=1
		;;
	f)
		FORCE=1
		;;
	*)
		usage
		exit 1
		;;
	esac
done

install_codium_extensions() {
	if command -v codium >/dev/null; then
		printf '%s\n' 'Installing VSCodium extensions...'
		grep -v '^ *#' <.config/VSCodium/extensions.txt |
			while IFS= read -r line; do
				printf '%s\n' "$line"
				codium --install-extension "$line" >/dev/null
			done
	else
		printf '%s\n' 'VSCodium is not installed'
	fi
}

install_dots() {
	rsync --exclude-from=.bootstrapignore -avgh --no-perms . "$HOME" || {
		printf '%s\n' 'rsync failed; aborted' >&2
		exit 1
	}
}

if [ "$REFRESH" ]; then
	git pull --recurse-submodules
fi

if [ "$CODIUM_EXTENSIONS" ]; then
	install_codium_extensions
	exit
fi

if [ "$FORCE" ]; then
	install_dots
else
	printf '%s' 'This may overwrite the existing configuration. Are you sure? [y/N] '
	read -r REPLY
	case "$REPLY" in
	[Yy]) install_dots ;;
	*) exit 1 ;;
	esac
fi

unset REFRESH FORCE CODIUM_EXTENSIONS install_codium_extensions install_dots