/**
 * Build backend for E2E. Path from E2E_BACKEND_ROOT or sibling ../backend-nest.
 */
import { existsSync } from 'node:fs'
import { dirname, join, resolve } from 'node:path'
import { fileURLToPath } from 'node:url'
import { spawnSync } from 'node:child_process'

const scriptDir = dirname(fileURLToPath(import.meta.url))
const frontendRoot = join(scriptDir, '..')
const defaultBackend = join(frontendRoot, '..', 'backend-nest')
const backendRoot = resolve(process.env.E2E_BACKEND_ROOT ?? defaultBackend)

if (!existsSync(join(backendRoot, 'package.json'))) {
  console.error(
    `E2E backend not found at ${backendRoot}. Set E2E_BACKEND_ROOT or clone per e2e/backend.contract.json.`,
  )
  process.exit(1)
}

const result = spawnSync('npm', ['run', 'build'], {
  cwd: backendRoot,
  stdio: 'inherit',
  env: process.env,
  shell: process.platform === 'win32',
})

process.exit(result.status ?? 1)