import { describe, expect, it } from 'vitest'
import {
  GUANGHU_THEMES,
  normalizeGuanghuTheme,
  readGuanghuTheme,
} from './guanghuTheme'

describe('guanghuTheme', () => {
  it('keeps the companion theme choices explicit and stable', () => {
    expect(GUANGHU_THEMES).toEqual([
      'native',
      'guanghu-native-galaxy',
      'lake-light',
      'lake-dark',
      'aurora-dark',
      'ice-heart',
      'yaoming-purple',
      'starfield-indigo',
      'dawn-gold',
      'tundra-green',
      'peach-mist',
    ])
  })

  it('falls back to the native Tolaria theme for unknown values', () => {
    expect(normalizeGuanghuTheme('old-blue-skin')).toBe('native')
    expect(normalizeGuanghuTheme(null)).toBe('native')
  })

  it('starts a new installation with the Guanghu native galaxy theme', () => {
    expect(readGuanghuTheme({ getItem: () => null })).toBe('guanghu-native-galaxy')
  })

  it('accepts every supported companion theme', () => {
    expect(normalizeGuanghuTheme('guanghu-native-galaxy')).toBe('guanghu-native-galaxy')
    expect(normalizeGuanghuTheme('lake-light')).toBe('lake-light')
    expect(normalizeGuanghuTheme('lake-dark')).toBe('lake-dark')
    expect(normalizeGuanghuTheme('yaoming-purple')).toBe('yaoming-purple')
    expect(normalizeGuanghuTheme('dawn-gold')).toBe('dawn-gold')
  })
})