#!/bin/bash
#
# Written by an LLM (Claude Code) — review before trusting on a machine
# other than the one this was diagnosed on. See README.md.
#
# Removes everything install.sh set up: the timer, service, script,
# optional config override, and the ip rule itself.
#
# Usage: sudo ./uninstall.sh

set -euo pipefail

if [ "$(id -u)" -ne 0 ]; then
    echo "Must be run as root (sudo ./uninstall.sh)" >&2
    exit 1
fi

systemctl disable --now docker-tailscale-route.timer 2>/dev/null || true

rm -f /etc/systemd/system/docker-tailscale-route.timer
rm -f /etc/systemd/system/docker-tailscale-route.service
rm -f /usr/local/sbin/docker-tailscale-route.sh
rm -f /etc/default/docker-tailscale-route

systemctl daemon-reload

DOCKER_SUBNET="172.16.0.0/12"
TARGET_TABLE="main"
if ip rule list | grep -q "from ${DOCKER_SUBNET} lookup ${TARGET_TABLE}"; then
    ip rule del from "$DOCKER_SUBNET" lookup "$TARGET_TABLE"
fi

echo "Uninstalled."