import "server-only";

import { S3Client } from "bun";

let client: S3Client | undefined;

function required(name: string): string {
  const value = process.env[name];
  if (!value) throw new Error(`${name} is required for media storage.`);
  return value;
}

export function getMediaStorage(): S3Client {
  if (!client) {
    client = new S3Client({
      accessKeyId: required("S3_ACCESS_KEY_ID"),
      secretAccessKey: required("S3_SECRET_ACCESS_KEY"),
      bucket: required("S3_BUCKET"),
      endpoint: required("S3_ENDPOINT"),
      region: process.env.S3_REGION || "auto",
      virtualHostedStyle: process.env.S3_VIRTUAL_HOSTED_STYLE === "true",
    });
  }
  return client;
}