# Manually override INIT system (optional)
set -gx INIT_SYSTEM "systemd"

# Auto-detect init system if not set
if not set -q INIT_SYSTEM
    if type -q systemctl
        set -gx INIT_SYSTEM "systemd"
    else if type -q rc-service
        set -gx INIT_SYSTEM "openrc"
    else if type -q sv
        set -gx INIT_SYSTEM "runit"
    else if test -x /etc/rc.d
        set -gx INIT_SYSTEM "bsdrc"
    else if test -x /etc/init.d
        set -gx INIT_SYSTEM "sysvinit"
    end
end

# Set aliases based on init system
switch $INIT_SYSTEM
    case systemd
        alias ser_start="sudo systemctl start"
        alias ser_restart="sudo systemctl restart"
        alias ser_stop="sudo systemctl stop"
        alias ser_status="sudo systemctl status"
        alias ser_enable="sudo systemctl enable"
        alias ser_disable="sudo systemctl disable"

    case openrc
        alias ser_start="sudo rc-service"
        alias ser_restart="sudo rc-service"
        alias ser_stop="sudo rc-service"
        alias ser_status="sudo rc-service"
        alias ser_enable="sudo rc-update add"
        alias ser_disable="sudo rc-update del"

    case runit
        alias ser_start="sudo sv up"
        alias ser_restart="sudo sv restart"
        alias ser_stop="sudo sv down"
        alias ser_status="sudo sv status"
        alias ser_enable="ln -s /etc/sv"  # manual step required
        alias ser_disable="rm -f /var/service"

    case bsdrc
        alias ser_start="sudo service"
        alias ser_restart="sudo service"
        alias ser_stop="sudo service"
        alias ser_status="sudo service"
        alias ser_enable="sudo sysrc"
        alias ser_disable="sudo sysrc"

    case sysvinit
        alias ser_start="sudo /etc/init.d"
        alias ser_restart="sudo /etc/init.d"
        alias ser_stop="sudo /etc/init.d"
        alias ser_status="sudo /etc/init.d"
        alias ser_enable="echo 'Enable manually with update-rc.d'"
        alias ser_disable="echo 'Disable manually with update-rc.d'"
end