#!/bin/bash

COMMAND_FILE=/tmp/command

corridor_light() {
	./light.sh 0 "$1"
}

corridor_light_toggle() {
	./light.sh 0
}

lounge_light() {
	./light.sh 1 "$1"
}

lounge_light_toggle() {
	./light.sh 1
}

e-lab_light() {
	./light.sh 2 "$1"
}

e-lab_light_toggle() {
	./light.sh 2
}

cd "$(dirname $0)"
rm -f "$COMMAND_FILE"
mkfifo "$COMMAND_FILE"
chmod 666 "$COMMAND_FILE"
while true; do
	while IFS='' read -r line || [[ -n "$line" ]]; do
		echo "command received: $line"
		if echo "$line" | grep "!" >/dev/null; then	# ! is used internally to execute shell commands!
			echo "ERROR: illegal characters" >&2
			continue
		fi
		COLOR_STRING="$(echo "$line " | cut -d" " -f2 | grep -oe "[a-z]\?[0-9a-fA-F]*" | head -n1)"
		case "$line" in
			corridor_light_toggle)
				corridor_light_toggle
				;;
			corridor_light*)
				corridor_light "$COLOR_STRING"
				;;
			lounge_light_toggle)
				lounge_light_toggle
				;;
			lounge_light*)
				lounge_light "$COLOR_STRING"
				;;
			e-lab_light_toggle)
				e-lab_light_toggle
				;;
			e-lab_light*)
				e-lab_light "$COLOR_STRING"
				;;
			*)
				echo "ERROR; available commands:" >&2
				echo "lounge_light lounge_light_toggle e-lab_light e-lab_light_toggle" >&2
				;;
		esac
	done < "$COMMAND_FILE"
done