#!/usr/bin/env bash
# Manage the on-demand staging instance.
#   ./deploy/staging.sh start   # refresh DB from prod, start units
#   ./deploy/staging.sh stop    # stop units
#   ./deploy/staging.sh status  # show unit + URL status
set -euo pipefail

VPS="lichen"
ACTION="${1:-}"

case "$ACTION" in
  start)
    ssh "$VPS" "
      set -e
      sudo cp /var/lib/lichen/lichen.db /var/lib/lichen-staging/lichen.db
      sudo chown lichen:lichen /var/lib/lichen-staging/lichen.db
      sudo systemctl start lichen-appview-staging lichen-firehose-staging
    "
    sleep 3
    STATUS=$(curl -s -o /dev/null -w "%{http_code}" --max-time 10 https://staging.lichen.wiki/)
    if [ "$STATUS" = "200" ]; then
      echo "Staging up: https://staging.lichen.wiki/ (HTTP $STATUS)"
    else
      echo "Staging started but health check returned HTTP $STATUS — check journalctl"
      exit 1
    fi
    ;;
  stop)
    ssh "$VPS" "sudo systemctl stop lichen-appview-staging lichen-firehose-staging"
    echo "Staging stopped."
    ;;
  status)
    ssh "$VPS" "sudo systemctl is-active lichen-appview-staging lichen-firehose-staging || true"
    STATUS=$(curl -s -o /dev/null -w "%{http_code}" --max-time 5 https://staging.lichen.wiki/ || echo "down")
    echo "https://staging.lichen.wiki/ → HTTP $STATUS"
    ;;
  *)
    echo "Usage: $0 {start|stop|status}" >&2
    exit 1
    ;;
esac