#!/bin/bash

# $1 - get / enable / disable
# $2 - optional username

ru=$USER
if [ "$EUID" != 0 ]; then
	# Only for running user
	if [ "$2" != "$USER" ]; then
		echo "Cannot run for user other than yourself without superuser privileges."
		exit 0
	fi
else
	# Run for specified user
	if [ "$2" != "" ]; then
		ru=$2
	else
		ru="root"
	fi
fi

hd="$(eval echo ~$ru)/public_gemini"

if [ "$1" == "get" ]; then
	if [ -d "$hd" ]; then
		# gemini dir exists
		if [ -r "$hd/.serve_ok" ]; then
			echo "enabled"
		else
			echo "disabled"
		fi
	else
		echo "no_exist"
	fi
elif [ "$1" == "enable" ]; then
	if [ -d "$hd" ]; then
                if [ -r "$hd/.serve_ok" ]; then
			echo "done"
		else
			touch "$hd/.serve_ok"
			chown "$ru" "$hd/.serve_ok"
                	echo "done"
		fi
        else
		mkdir "$hd"
		touch "$hd/.serve_ok"
		chown "$ru" -R "$hd"
                echo "done"
        fi
elif [ "$1" == "disable" ]; then
	if [ -d "$hd" ]; then
		if [ -w "$hd/.serve_ok" ]; then
			rm "$hd/.serve_ok"
			echo "done"
		else
			if [ -r "$hd/.serve_ok" ]; then
				echo "no_perm"
			else
				echo "done"
			fi
		fi
	else
		echo "no_dir"
	fi
else
	# TODO: display command help guide
	echo "TODO"
fi