post_install() {
    systemctl --global enable turnupd.service
    systemctl --global enable turnup-ui.service
    echo "turnupd + turnup-ui: services enabled for all users — they will start on next login."
    echo "To start them now:"
    echo "  systemctl --user start turnupd.service"
    echo "  systemctl --user start turnup-ui.service"
    echo "UI will be available at http://127.0.0.1:5173"
}

post_upgrade() {
    systemctl --global reenable turnupd.service
    systemctl --global reenable turnup-ui.service
    # Restart for all currently logged-in users
    while read -r uid _; do
        systemctl -M "${uid}@.host" --user restart turnupd.service   2>/dev/null || true
        systemctl -M "${uid}@.host" --user restart turnup-ui.service 2>/dev/null || true
    done < <(loginctl list-users --no-legend 2>/dev/null)
}

pre_remove() {
    # Stop and disable for all currently logged-in users
    while read -r uid _; do
        systemctl -M "${uid}@.host" --user stop    turnupd.service   2>/dev/null || true
        systemctl -M "${uid}@.host" --user disable turnupd.service   2>/dev/null || true
        systemctl -M "${uid}@.host" --user stop    turnup-ui.service 2>/dev/null || true
        systemctl -M "${uid}@.host" --user disable turnup-ui.service 2>/dev/null || true
    done < <(loginctl list-users --no-legend 2>/dev/null)

    systemctl --global disable turnupd.service   2>/dev/null || true
    systemctl --global disable turnup-ui.service 2>/dev/null || true
}