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

import { isLegacyCitySlug, resolveCanonicalCitySlug } from '@/lib/seo/citySlugs'

describe('city slug aliases', () => {
  it('maps transliterated launch-city slugs to English spellings', () => {
    expect(resolveCanonicalCitySlug('thran')).toBe('tehran')
    expect(resolveCanonicalCitySlug('mshd')).toBe('mashhad')
    expect(resolveCanonicalCitySlug('asfhan')).toBe('isfahan')
    expect(resolveCanonicalCitySlug('syraz')).toBe('shiraz')
    expect(resolveCanonicalCitySlug('tbryz')).toBe('tabriz')
    expect(resolveCanonicalCitySlug('tehran')).toBe('tehran')
    expect(resolveCanonicalCitySlug('ahvaz')).toBe('ahvaz')
  })

  it('detects only the legacy transliterated slugs', () => {
    expect(isLegacyCitySlug('thran')).toBe(true)
    expect(isLegacyCitySlug('tehran')).toBe(false)
  })
})