/**
 * Host capability profile hints for boot policy / initd (BARE_OS_HOST_PROFILE).
 */

const VALID = new Set(['desktop', 'mobile', 'embedded', 'server', 'iot', 'unknown'])

/**
 * @param {Record<string, unknown> | null | undefined} env
 */
export function bareOsReadHostProfile(env) {
  const raw = String(env?.BARE_OS_HOST_PROFILE || '').trim().toLowerCase()
  const profile = VALID.has(raw) ? raw : 'unknown'
  const flags = String(env?.BARE_OS_HOST_FEATURE_FLAGS || '')
    .split(/[\s,]+/)
    .map((s) => s.trim())
    .filter(Boolean)
    .slice(0, 64)
  return {
    schema: 1,
    profile,
    featureFlags: flags,
    atMs: Date.now()
  }
}