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

NAME="amd-gpu-temp-control"
SELF="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
SRC="$SELF/$NAME.js"
TPL="$SELF/$NAME.service"
BINARY="/usr/local/bin/$NAME"
DEST="/etc/systemd/system/$NAME.service"

install() {
  [[ -f "$TPL" ]] || { echo "Missing $NAME.service template"; exit 1; }
  [[ -f "$SRC" ]] || { echo "Missing $NAME.js"; exit 1; }
  command -v node &>/dev/null || { echo "node not found"; exit 1; }
  command -v amd-smi &>/dev/null || { echo "amd-smi not found in PATH"; exit 1; }

  cp "$SRC" "$BINARY"
  chmod +x "$BINARY"
  cp "$TPL" "$DEST"
  systemctl daemon-reload
  systemctl enable "$NAME.service"
  systemctl restart "$NAME.service"
  echo "Installed — journalctl -u $NAME -f"
}

uninstall() {
  systemctl stop "$NAME" 2>/dev/null || true
  systemctl disable "$NAME" 2>/dev/null || true
  rm -f "$DEST" "$BINARY"
  systemctl daemon-reload
  echo "Uninstalled."
}

case "${1:-}" in
  --uninstall) uninstall ;;
  *)           install ;;
esac