import type { EventManagementBootstrap } from '@/services/eventManagement'

type ApiEnvelope<T> = { success: true; data: T } | { success: false; message: string }

const resolveApiBaseUrl = () => {
  const raw = process.env.NEXT_PUBLIC_API_URL

  if (!raw) throw new Error('NEXT_PUBLIC_API_URL is not configured')
  const trimmed = raw.replace(/\/+$/, '')

  return trimmed.endsWith('/api/v1') ? trimmed : `${trimmed}/api/v1`
}

/** Private owner data: never enters the public Next.js or persistent browser cache. */
export async function fetchEventManagementBootstrapForOwner(
  eventId: string,
  accessToken: string
): Promise<EventManagementBootstrap | null> {
  const response = await fetch(`${resolveApiBaseUrl()}/events/${encodeURIComponent(eventId)}/management-bootstrap`, {
    cache: 'no-store',
    headers: { Authorization: `Bearer ${accessToken}` },
  })

  if (response.status === 401 || response.status === 403 || response.status === 404) return null
  if (!response.ok) throw new Error(`Management bootstrap failed: ${response.status}`)

  const body = (await response.json()) as ApiEnvelope<EventManagementBootstrap>

  return body.success ? body.data : null
}