#!/usr/bin/env bash

##
# installs systemd files to keep NOSE running on your NOSEputer

set -euo pipefail

SERVICE_NAME="nose-pluto"
SERVICE_FILE="$(dirname "$0")/${SERVICE_NAME}.service"
SYSTEMD_PATH="/etc/systemd/system/${SERVICE_NAME}.service"
BUN_BIN="/usr/local/bin/bun"

echo ">> Ensuring bun is available in /usr/local/bin"
if [ ! -x "$BUN_BIN" ]; then
  if [ -x "$HOME/.bun/bin/bun" ]; then
    sudo ln -sf "$HOME/.bun/bin/bun" "$BUN_BIN"
    echo "Symlinked $HOME/.bun/bin/bun -> $BUN_BIN"
  else
    echo "Error: bun not found in ~/.bun/bin"
    exit 1
  fi
else
  echo "bun already available at $BUN_BIN"
fi

echo ">> Setting CAP_NET_BIND_SERVICE on $BUN_BIN"
sudo setcap 'cap_net_bind_service=+ep' "$BUN_BIN"
getcap "$BUN_BIN" || true

echo ">> Installing systemd unit to $SYSTEMD_PATH"
sudo cp "$SERVICE_FILE" "$SYSTEMD_PATH"
sudo chown root:root "$SYSTEMD_PATH"
sudo chmod 644 "$SYSTEMD_PATH"

echo ">> Reloading systemd daemon"
sudo systemctl daemon-reload

echo ">> Enabling $SERVICE_NAME to start at boot"
sudo systemctl enable "$SERVICE_NAME"

echo ">> Starting (or restarting) $SERVICE_NAME"
sudo systemctl restart "$SERVICE_NAME"

echo ">> Done!"
systemctl status "$SERVICE_NAME" --no-pager -l