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

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

REPO_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
BIN_DIR="/usr/local/bin"
CONF_DIR="/etc/hecate"
STATE_DIR="/var/lib/hecate"
SYSTEMD_DIR="/etc/systemd/system"
START_NOW=1

while [[ $# -gt 0 ]]; do
  case "$1" in
    --no-start)
      START_NOW=0
      shift
      ;;
    *)
      echo "Unknown argument: $1" >&2
      exit 1
      ;;
  esac
done

echo "[install] building hecate"
cd "${REPO_DIR}"
mkdir -p dist
go build -o dist/hecate ./cmd/hecate

echo "[install] installing binary"
install -d -m 0755 "${BIN_DIR}"
install -m 0755 dist/hecate "${BIN_DIR}/hecate"

echo "[install] installing config + state dirs"
install -d -m 0750 "${CONF_DIR}"
install -d -m 0750 "${STATE_DIR}"
if [[ ! -f "${CONF_DIR}/hecate.yaml" ]]; then
  install -m 0640 configs/hecate.example.yaml "${CONF_DIR}/hecate.yaml"
  echo "[install] wrote default config to ${CONF_DIR}/hecate.yaml"
else
  echo "[install] keeping existing config at ${CONF_DIR}/hecate.yaml"
fi

echo "[install] installing systemd units"
install -m 0644 deploy/systemd/hecate.service "${SYSTEMD_DIR}/hecate.service"
install -m 0644 deploy/systemd/hecate-bootstrap.service "${SYSTEMD_DIR}/hecate-bootstrap.service"

systemctl daemon-reload
systemctl enable hecate.service hecate-bootstrap.service

if [[ "${START_NOW}" -eq 1 ]]; then
  systemctl restart hecate.service
  echo "[install] hecate.service restarted"
fi

echo "[install] done"
echo "Next steps:"
echo "  1. Edit /etc/hecate/hecate.yaml"
echo "  2. Run: hecate status --config /etc/hecate/hecate.yaml"
echo "  3. Test dry run: hecate startup --config /etc/hecate/hecate.yaml"
echo "  4. Trigger bootstrap now: systemctl start hecate-bootstrap.service"