import { LOGOUT } from '@/services/auth'

export { expireRefreshSessionOnThisOrigin } from '@/lib/expireRefreshSession'

/** First attempt is immediate; later attempts wait these delays. */
export const LOGOUT_RETRY_DELAYS_MS = [0, 150, 400] as const

const wait = (ms: number) => new Promise<void>((resolve) => setTimeout(resolve, ms))

/**
 * Best-effort Nest logout. Retries transient failures so the DB session is
 * revoked when the API is only briefly unavailable. Persistent 5xx still
 * fails — the caller must then expire the httpOnly cookie locally.
 */
export const attemptServerLogout = async (): Promise<boolean> => {
  for (const delay of LOGOUT_RETRY_DELAYS_MS) {
    if (delay > 0) await wait(delay)

    const result = await LOGOUT({ errorMode: 'silent' })

    if (result.ok) return true
  }

  return false
}