#!/usr/bin/env bash
#
# auto-cpufreq daemon removal script
# reference: https://github.com/AdnanHodzic/auto-cpufreq
# Thanks to https://github.com/errornonamer for openrc fix

echo -e "\n------------------ Running auto-cpufreq daemon removal script ------------------"

if [[ $EUID != 0 ]]; then
	echo -e "\nERROR\nMust be run as root (i.e: 'sudo $0')\n"
	exit 1
fi

# First argument is the "sv" path, second argument is the "service" path
rm_sv() {
    echo -e "\n* Stopping auto-cpufreq daemon (runit) service"
    sv stop auto-cpufreq

    echo -e "\n* Removing auto-cpufreq daemon (runit) unit files"
    rm -rf "$1"/sv/auto-cpufreq
    rm -rf "$2"/service/auto-cpufreq
}

# Remove service for runit
if [ "$(ps h -o comm 1)" = "runit" ];then
	if [ -f /etc/os-release ];then
		eval "$(cat /etc/os-release)"
		case $ID in
			void)
				rm_sv /etc /var ;;
			artix)
				rm_sv /etc/runit /run/runit ;;
			*)
				echo -e "\n* Runit init detected but your distro is not supported\n"
				echo -e "\n* Please open an issue on https://github.com/AdnanHodzic/auto-cpufreq\n"

		esac
	fi
# Remove service for systemd
elif [ "$(ps h -o comm 1)" = "systemd" ];then
    echo -e "\n* Stopping auto-cpufreq daemon (systemd) service"
    systemctl stop auto-cpufreq

    echo -e "\n* Disabling auto-cpufreq daemon (systemd) at boot"
    systemctl disable auto-cpufreq

    echo -e "\n* Removing auto-cpufreq daemon (systemd) unit file"
    rm /etc/systemd/system/auto-cpufreq.service

    echo -e "\n* Reloading systemd manager configuration"
    systemctl daemon-reload

    echo -e "reset failed"
    systemctl reset-failed
# Remove service for openrc
elif [ "$(ps h -o comm 1)" = "init" ];then
	echo -e "\n* Stopping auto-cpufreq daemon (openrc) service"
	rc-service auto-cpufreq stop

	echo -e "\n* Disabling auto-cpufreq daemon (openrc) at boot"
	rc-update del auto-cpufreq

	echo -e "\n* Removing auto-cpufreq daemon (openrc) unit file"
	rm /etc/init.d/auto-cpufreq
# Remove service for s6
elif [ "$(ps h -o comm 1)" = "s6-svscan" ];then
	echo -e "\n* Disabling auto-cpufreq daemon (s6) at boot"
	s6-service delete default auto-cpufreq
	echo -e "\n* Removing auto-cpufreq daemon (s6) unit file"
	rm -rf /etc/s6/sv/auto-cpufreq
    echo -e "\n* Update daemon service bundle (s6)"
	s6-db-reload
# Remove service for dinit
elif [ "$(ps h -o comm 1)" = "init" ];then
	echo -e "\n* Stopping auto-cpufreq daemon (dinit) service"
	dinitctl stop auto-cpufreq

	echo -e "\n* Disabling auto-cpufreq daemon (dinit) at boot"
	dinitctl disable auto-cpufreq

	echo -e "\n* Removing auto-cpufreq daemon (dinit) unit file"
	rm /etc/dinit.d/auto-cpufreq
else
  echo -e "\n* Unsupported init system detected, could not remove the daemon\n"
  echo -e "\n* Please open an issue on https://github.com/AdnanHodzic/auto-cpufreq\n"
fi