import { S3Client } from '@aws-sdk/client-s3';

export default createS3Client;

function createS3Client(opts: any = {}) {
  const defaultOpts: any = {
    apiVersion: '2006-03-01'
  };

  let clientOpts = Object.assign(defaultOpts, opts);

  if (process.env.ARTILLERY_S3_OPTS) {
    clientOpts = Object.assign(
      defaultOpts,
      JSON.parse(process.env.ARTILLERY_S3_OPTS)
    );
  }

  if (!opts.region) {
    clientOpts.region = global.artillery.s3BucketRegion;
  }

  return new S3Client(clientOpts);
}