#!/bin/sh
# Hourly demo reset — restore DB from snapshot, purge uploads, bounce backend.
set -e

SNAPSHOT="${DEMO_SNAPSHOT_PATH:-/snapshot/demo_snapshot.sql.gz}"
UPLOADS_DIR="${UPLOADS_DIR:-/uploads}"
DB_URL="${DATABASE_URL}"
BACKEND="${BACKEND_URL:-http://backend:8000}"

echo "[$(date -u +%Y-%m-%dT%H:%M:%SZ)] Starting demo reset"

# 1. Restore database from snapshot
if [ ! -f "$SNAPSHOT" ]; then
  echo "ERROR: Snapshot not found at $SNAPSHOT — skipping reset"
  exit 1
fi

gunzip -c "$SNAPSHOT" | psql --single-transaction -v ON_ERROR_STOP=1 "$DB_URL"
echo "  DB restored from snapshot"

# 2. Purge uploaded files (attachments added by demo users)
find "$UPLOADS_DIR" -type f -not -name ".gitkeep" -delete 2>/dev/null || true
echo "  Uploads purged"

echo "[$(date -u +%Y-%m-%dT%H:%M:%SZ)] Demo reset complete"