#!/bin/sh

service_exists(){
    local n=$1
    if [[ $(systemctl list-units --all -t service --full --no-legend "$n.service" | sed 's/^\s*//g' | cut -f1 -d' ') == $n.service ]]; then
        return 0
    else
        return 1
    fi
}

if [ 0 -eq $1 ];then

	echo 'start remove nz-talon module from disk...'

	systemctl stop nz-talon.service
	systemctl stop nz-telegraf.service

	rm -rf /opt/nezha/nz-talon
	rm -rf /opt/nezha/telegraf

	systemctl disable nz-talon.service
	systemctl disable nz-telegraf.service

	# promtail.service
    if service_exists promtail; then
        systemctl stop promtail.service
        rm -rf /opt/nezha/promtail
        systemctl disable promtail.service
    fi

    # nz-promtail.service
    if service_exists nz-promtail; then
        systemctl stop nz-promtail.service
        rm -rf /opt/nezha/promtail
        systemctl disable nz-promtail.service
    fi

	rm -rf /usr/lib/systemd/system/{nz-talon.service,promtail.service,nz-promtail.service,nz-telegraf.service}

	systemctl daemon-reload

	echo 'uninstall success!'
fi