import { beforeEach, describe, expect, it } from 'vitest'
import { normalizeAppSettings } from '../../src/stores/settingsStore'
import { isAppLanguage } from '../../src/i18n/detectLocale'

describe('settings migration', () => {
  beforeEach(() => {
    // language default depends on navigator; tests assert explicit values
  })

  it('keeps supported language and drops obsolete legacy settings', () => {
    const settings = normalizeAppSettings({
      theme: 'light',
      timeout: 45,
      language: 'en',
      showNotifications: true,
      encryptPasswords: false,
      lockOnSleep: true,
    })

    expect(settings.theme).toBe('light')
    expect(settings.timeout).toBe(45)
    expect(settings.language).toBe('en')
    expect(settings).not.toHaveProperty('showNotifications')
    expect(settings).not.toHaveProperty('encryptPasswords')
    expect(settings).not.toHaveProperty('lockOnSleep')
  })

  it('falls back to a valid language when stored value is invalid', () => {
    const settings = normalizeAppSettings({ language: 'fr-FR' })
    expect(isAppLanguage(settings.language)).toBe(true)
  })
  it('rejects unsupported saved themes', () => {
    expect(normalizeAppSettings({ theme: 'invalid' }).theme).toBe('dark')
    expect(normalizeAppSettings({ theme: 'system' }).theme).toBe('system')
  })
})