import { describe, it, expect } from 'vitest'
import { resolveWishName } from './wishName'
import { translate } from '@/i18n'

const t = (key: Parameters<typeof translate>[1]) => translate('sv', key)

describe('resolveWishName', () => {
  it('translates through nameMessageKey when present, ignoring the stored name', () => {
    // The core bug fix: the persisted `name` can be stale (saved while the
    // UI was a different language) — the key, when present, is the source
    // of truth for display.
    const wish = { name: 'STALE_ENGLISH_NAME', nameMessageKey: 'wishEditor.seasonJul' }
    expect(resolveWishName(wish, t)).toBe('Jul')
  })

  it('returns the literal name verbatim when nameMessageKey is null', () => {
    const wish = { name: 'Resa till mormor', nameMessageKey: null }
    expect(resolveWishName(wish, t)).toBe('Resa till mormor')
  })

  it('falls back to the literal name for a key this build does not recognise', () => {
    // A stale key from an older/newer server build must never crash or
    // render a raw, untranslated key string to the user.
    const wish = { name: 'Sommar', nameMessageKey: 'wishEditor.thisKeyDoesNotExist' }
    expect(resolveWishName(wish, t)).toBe('Sommar')
  })

  it('falls back to the literal name for an empty-string key', () => {
    const wish = { name: 'Custom trip', nameMessageKey: '' }
    expect(resolveWishName(wish, t)).toBe('Custom trip')
  })
})