import { describe, expect, it } from 'vitest'

import { EVENT_SLUG_FALLBACK, shouldAutogenerateEventSlug, slugifyEventTitle } from '@/features/events/eventSlug'

describe('slugifyEventTitle', () => {
  it('transliterates a Persian workshop title', () => {
    expect(slugifyEventTitle('کارگاه سفال تهران')).toBe('kargah-sfal-thran')
  })

  it('slugifies an already-Latin title', () => {
    expect(slugifyEventTitle('Pottery Workshop Tehran')).toBe('pottery-workshop-tehran')
  })

  it('returns empty for a blank title so the wizard can wait', () => {
    expect(slugifyEventTitle('   ')).toBe('')
  })

  it('falls back when the title has no latinizable characters', () => {
    expect(slugifyEventTitle('🙂🙂')).toBe(EVENT_SLUG_FALLBACK)
  })

  it('does not use the reserved application slug', () => {
    expect(slugifyEventTitle('new')).toBe(EVENT_SLUG_FALLBACK)
  })
})

describe('shouldAutogenerateEventSlug', () => {
  it('follows the title when the slug is empty or still generated from it', () => {
    expect(shouldAutogenerateEventSlug('', 'کارگاه سفال')).toBe(true)
    expect(shouldAutogenerateEventSlug('kargah-sfal', 'کارگاه سفال')).toBe(true)
  })

  it('replaces the old random event-xxxxxxxx placeholder', () => {
    expect(shouldAutogenerateEventSlug('event-a3f1c9e2', 'کارگاه سفال')).toBe(true)
  })

  it('stops following after a manual slug edit', () => {
    expect(shouldAutogenerateEventSlug('custom-slug', 'کارگاه سفال')).toBe(false)
  })
})