#!/bin/bash

function do_and_check_cmd() {
	if [ "$CHANGE_DIR" != "" ] ; then
		cd "$CHANGE_DIR"
	fi
	output=$("$@" 2>&1)
	ret="$?"
	if [ $ret -ne 0 ] ; then
		echo "[!] Error from command : $*"
		echo "$output"
		exit $ret
	fi
	#echo $output
	return 0
}


# Check if we are root
if [ $(id -u) -ne 0 ] ; then
	echo "[!] Run me as root"
	exit 1
fi

# Detect OS
OS=""
if [ "$(grep Debian /etc/os-release)" != "" ] ; then
	OS="debian"
elif [ "$(grep Ubuntu /etc/os-release)" != "" ] ; then
	OS="ubuntu"
elif [ "$(grep CentOS /etc/os-release)" != "" ] ; then
	OS="centos"
elif [ "$(grep Alpine /etc/os-release)" != "" ] ; then
	OS="alpine"
fi
if [ "$OS" = "" ] ; then
	echo "[!] Unsupported Operating System"
	exit 1
fi

# Remove /opt/bunkerized-nginx
if [ -e "/opt/bunkerized-nginx" ] ; then
	echo "[*] Remove /opt/bunkerized-nginx"
	do_and_check_cmd rm -rf /opt/bunkerized-nginx
fi

# Remove UI service
if [ -e "/etc/systemd/system/bunkerized-nginx-ui.service" ] ; then
	echo "[*] Remove bunkerized-nginx-ui service"
	do_and_check_cmd systemctl stop bunkerized-nginx-ui
	do_and_check_cmd systemctl disable bunkerized-nginx-ui
	do_and_check_cmd rm -f /etc/systemd/system/bunkerized-nginx-ui.service
	do_and_check_cmd systemctl daemon-reload
	do_and_check_cmd systemctl reset-failed
fi

# Remove cron
echo "[*] Remove cron"
if [ "$OS" = "debian" ] || [ "$OS" = "ubuntu" ] ; then
	CRON_PATH="/var/spool/cron/crontabs/nginx"
elif [ "$OS" = "centos" ] ; then
	CRON_PATH="/var/spool/cron/nginx"
elif [ "$OS" = "alpine" ] ; then
	CRON_PATH="/etc/crontabs/nginx"
fi
if [ -e "$CRON_PATH" ] ; then
	do_and_check_cmd rm -f "$CRON_PATH"
fi

# We're done
echo "[*] bunkerized-nginx successfully uninstalled"