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

if [[ "${EUID}" -ne 0 ]]; then
  echo "Run as root: sudo bash deploy/install_systemd.sh" >&2
  exit 1
fi

PROJECT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
SERVICE_FILE="/etc/systemd/system/updown-dashboard.service"

cat > "${SERVICE_FILE}" <<UNIT
[Unit]
Description=Polymarket BTC Up/Down dashboard
Requires=docker.service
After=docker.service network-online.target
Wants=network-online.target

[Service]
Type=oneshot
RemainAfterExit=yes
WorkingDirectory=${PROJECT_DIR}
ExecStart=/usr/bin/docker compose up -d --build
ExecStop=/usr/bin/docker compose down
TimeoutStartSec=180

[Install]
WantedBy=multi-user.target
UNIT

systemctl daemon-reload
systemctl enable updown-dashboard.service

echo "Installed systemd service: updown-dashboard"
echo "Start it with:"
echo "  sudo systemctl start updown-dashboard"