import type { EventStatus } from '@/types/event'

const STATUS_ORDER: Record<EventStatus, number> = {
  draft: 0,
  published: 1,
  registration_open: 2,
  buildup: 3,
  showday: 4,
  teardown: 5,
  closed: 6,
}

export const EVENT_STATUS_LABEL_NL: Record<EventStatus, string> = {
  draft: 'Concept',
  published: 'Gepubliceerd',
  registration_open: 'Registratie open',
  buildup: 'Opbouw',
  showday: 'Showdag',
  teardown: 'Afbouw',
  closed: 'Afgesloten',
}

export function eventStatusLabelNl(status: EventStatus): string {
  return EVENT_STATUS_LABEL_NL[status]
}

/** UI styling: forward in lifecycle, rollback, or closing the event. */
export function transitionVisualKind(
  currentStatus: EventStatus,
  targetStatus: EventStatus,
): 'forward' | 'backward' | 'dangerous' {
  if (targetStatus === 'closed')
    return 'dangerous'

  const current = STATUS_ORDER[currentStatus]
  const next = STATUS_ORDER[targetStatus]

  return next < current ? 'backward' : 'forward'
}