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

if [[ $# -ne 1 ]]; then
  echo "Usage: $0 path/to/backup.dump" >&2
  exit 2
fi

BACKUP_FILE="$1"
COMPOSE="${COMPOSE:-docker compose}"
DB_SERVICE="${DB_SERVICE:-db}"
POSTGRES_DB="${POSTGRES_DB:-drivers}"
POSTGRES_USER="${POSTGRES_USER:-drivers}"

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

echo "Restoring $BACKUP_FILE into $POSTGRES_DB. This replaces database contents."
cat "$BACKUP_FILE" | $COMPOSE exec -T "$DB_SERVICE" pg_restore -U "$POSTGRES_USER" -d "$POSTGRES_DB" --clean --if-exists
echo "Restore complete"