#!/usr/bin/env bash
set -euo pipefail

SERVICE_NAME="luxtools-client"
INSTALL_DIR="${HOME}/.local/share/${SERVICE_NAME}"
CONFIG_DIR="${HOME}/.config/${SERVICE_NAME}"
UNIT_FILE="${HOME}/.config/systemd/user/${SERVICE_NAME}.service"

usage() {
  cat <<EOF
Usage: $0 [--keep-config]

Uninstalls ${SERVICE_NAME} systemd *user* service and removes installed files.

Options:
  --keep-config   Keep ${CONFIG_DIR} (token/config) on disk.
EOF
}

KEEP_CONFIG=0
if [[ "${1:-}" == "-h" || "${1:-}" == "--help" ]]; then
  usage
  exit 0
fi
if [[ "${1:-}" == "--keep-config" ]]; then
  KEEP_CONFIG=1
fi

# Stop/disable user service if present (best-effort).
systemctl --user stop "$SERVICE_NAME" >/dev/null 2>&1 || true
systemctl --user disable "$SERVICE_NAME" >/dev/null 2>&1 || true
systemctl --user reset-failed "$SERVICE_NAME" >/dev/null 2>&1 || true

# Also stop/disable any leftover system-wide service from older installs.
if systemctl list-unit-files 2>/dev/null | grep -q "^${SERVICE_NAME}\.service"; then
  if [[ ${EUID} -eq 0 ]]; then
    systemctl stop "$SERVICE_NAME" >/dev/null 2>&1 || true
    systemctl disable "$SERVICE_NAME" >/dev/null 2>&1 || true
    systemctl reset-failed "$SERVICE_NAME" >/dev/null 2>&1 || true
  elif command -v sudo >/dev/null 2>&1; then
    sudo systemctl stop "$SERVICE_NAME" >/dev/null 2>&1 || true
    sudo systemctl disable "$SERVICE_NAME" >/dev/null 2>&1 || true
    sudo systemctl reset-failed "$SERVICE_NAME" >/dev/null 2>&1 || true
  else
    echo "Note: a system service '${SERVICE_NAME}.service' exists; run with sudo to stop it." >&2
  fi
fi

rm -f "$UNIT_FILE"
systemctl --user daemon-reload || true

rm -rf "$INSTALL_DIR"

if [[ $KEEP_CONFIG -eq 0 ]]; then
  rm -rf "$CONFIG_DIR"
fi

echo "Uninstalled ${SERVICE_NAME}."
if [[ $KEEP_CONFIG -eq 1 ]]; then
  echo "Kept config directory: ${CONFIG_DIR}"
fi