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

if [[ $# -lt 1 ]]; then
  echo "Usage: $0 <backup.dump> [--yes]" >&2
  exit 2
fi

BACKUP_FILE="$1"
YES="${2:-}"

if [[ -z "${DATABASE_URL:-}" ]]; then
  echo "ERROR: DATABASE_URL is required" >&2
  exit 1
fi

if [[ ! -f "$BACKUP_FILE" ]]; then
  echo "ERROR: backup file not found: $BACKUP_FILE" >&2
  exit 1
fi

if [[ "$YES" != "--yes" ]]; then
  echo "This will restore into DATABASE_URL and may overwrite existing objects."
  read -r -p "Type RESTORE to continue: " CONFIRM
  if [[ "$CONFIRM" != "RESTORE" ]]; then
    echo "restore cancelled"
    exit 1
  fi
fi

pg_restore --clean --if-exists --no-owner --dbname="$DATABASE_URL" "$BACKUP_FILE"
echo "[restore] restored $BACKUP_FILE"