import { Qenv } from '@push.rocks/qenv';
import * as smartdata from '@push.rocks/smartdata';
import * as smartbucket from '@push.rocks/smartbucket';

const qenv = new Qenv(process.cwd(), process.cwd() + '/.nogit/');

/**
 * Spin up a fresh `SmartdataDb` connected to the local mongo from .nogit/env.json,
 * scoped to a unique database name so tests cannot collide. Returns the db plus
 * a `cleanup` function that drops the database and closes the connection.
 */
export async function makeTestDb(suffix: string) {
  const baseUrl = await qenv.getEnvVarOnDemandStrict('MONGODB_URL');
  const dbName = `smartmigration_test_${suffix}_${Date.now()}_${Math.floor(Math.random() * 1e6)}`;
  // Replace the path component of the connection URL with our unique db name.
  // Format from env.json:
  //   mongodb://defaultadmin:defaultpass@localhost:27970/push-rocks-smartmigration?authSource=admin
  const url = new URL(baseUrl);
  url.pathname = `/${dbName}`;
  const db = new smartdata.SmartdataDb({
    mongoDbUrl: url.toString(),
    mongoDbName: dbName,
  });
  await db.init();

  const cleanup = async () => {
    try {
      await db.mongoDb.dropDatabase();
    } catch {
      /* ignore */
    }
    try {
      await db.close();
    } catch {
      /* ignore */
    }
  };

  return { db, dbName, cleanup };
}

/**
 * Connect to the local minio bucket from .nogit/env.json. The bucket is
 * shared across tests, so each test should namespace its keys with a
 * unique prefix and clean them up afterwards.
 */
export async function makeTestBucket() {
  const sb = new smartbucket.SmartBucket({
    accessKey: await qenv.getEnvVarOnDemandStrict('S3_ACCESSKEY'),
    accessSecret: await qenv.getEnvVarOnDemandStrict('S3_SECRETKEY'),
    endpoint: await qenv.getEnvVarOnDemandStrict('S3_ENDPOINT'),
    port: parseInt(await qenv.getEnvVarOnDemandStrict('S3_PORT'), 10),
    useSsl: false,
  });
  const bucketName = await qenv.getEnvVarOnDemandStrict('S3_BUCKET');

  // The bucket may not exist yet — try to fetch it; if missing, create it.
  let bucket: smartbucket.Bucket;
  try {
    bucket = await sb.getBucketByName(bucketName);
  } catch {
    bucket = (await sb.createBucket(bucketName)) as unknown as smartbucket.Bucket;
    bucket = await sb.getBucketByName(bucketName);
  }
  return { sb, bucket, bucketName };
}