import { v1 as neo4j } from 'neo4j-driver'
import dotenv from 'dotenv'

dotenv.config()

let driver

export function getDriver (options = {}) {
  const {
    uri = process.env.NEO4J_URI || 'bolt://localhost:7687',
    username = process.env.NEO4J_USERNAME || 'neo4j',
    password = process.env.NEO4J_PASSWORD || 'neo4j'
  } = options
  if (!driver) {
    driver = neo4j.driver(uri, neo4j.auth.basic(username, password))
  }
  return driver
}