#!/bin/sh
set -e

case "$1" in
    remove|deconfigure)
        # Stop offering the tunnels, but leave strongSwan itself enabled: it is
        # a shared service and may be in use by something other than this
        # package. The connection files are removed on purge.
        if [ -d /run/systemd/system ]; then
            swanctl --terminate --ike remote-site >/dev/null 2>&1 || true
            swanctl --terminate --ike road-warrior >/dev/null 2>&1 || true
        fi

        # This package enabled wg-quick@wg0 and openvpn-server@vpn-router, so
        # it takes them down again. Use the debhelper wrappers rather than
        # systemctl, so the script behaves on a machine without systemd.
        for unit in wg-quick@wg0.service openvpn-server@vpn-router.service; do
            if command -v deb-systemd-invoke >/dev/null 2>&1; then
                deb-systemd-invoke stop "$unit" >/dev/null 2>&1 || true
            fi
            if command -v deb-systemd-helper >/dev/null 2>&1; then
                deb-systemd-helper disable "$unit" >/dev/null 2>&1 || true
            fi
        done
        ;;
esac

#DEBHELPER#