// SPDX-License-Identifier: GPL-2.0-or-later
// Copyright (C) 2026 Bryan Joshua Pedini

/**
 * Run-level setup (runner process): assigns the run id, creates the run scratch directory and
 * resolves the seed. Values reach the workers through process.env.
 * Project prerequisites (binary build/validation, image presence) are checked by the
 * `host-setup` / `image-setup` projects (setup/*.setup.ts).
 */
import crypto from 'node:crypto';
import fs from 'node:fs';
import os from 'node:os';
import path from 'node:path';
import { binaryPath, globalSeed, imageRef, RESOURCE_PREFIX } from './env';

export default async function globalSetup(): Promise<void> {
  const id = crypto.randomBytes(4).toString('hex');
  const dir = path.join(os.tmpdir(), `${RESOURCE_PREFIX}${id}`);
  fs.mkdirSync(path.join(dir, 'ws'), { recursive: true, mode: 0o700 });
  fs.mkdirSync(path.join(dir, 'secrets'), { recursive: true, mode: 0o700 });
  process.env.DPSAPI_E2E_RUN_ID = id;
  process.env.DPSAPI_E2E_RUN_DIR = dir;
  process.env.DPSAPI_E2E_SEED = globalSeed();
  console.log(
    `[dpsapi-e2e] run id=${id} seed=${JSON.stringify(globalSeed())} binary=${binaryPath()} image=${imageRef() ?? '(DPSAPI_IMAGE unset)'} scratch=${dir}`,
  );
}