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

const mockRequest = vi.fn()
const mockWith = vi.fn()

vi.mock('@directus/sdk', () => ({
  createDirectus: vi.fn(() => ({ with: mockWith })),
  rest: vi.fn(() => 'rest-plugin'),
  staticToken: vi.fn(() => 'token-plugin'),
  readItems: vi.fn((collection: string) => ({ _op: 'readItems', collection })),
  readSingleton: vi.fn((collection: string) => ({ _op: 'readSingleton', collection })),
  readItem: vi.fn((collection: string, id: string) => ({ _op: 'readItem', collection, id })),
}))

mockWith.mockReturnValue({ with: mockWith, request: mockRequest })

beforeEach(() => {
  vi.resetModules()
  mockRequest.mockReset()
  process.env.DIRECTUS_URL = 'https://cms.achmad.dev'
  process.env.DIRECTUS_TOKEN = 'test-token'
})

describe('getAllCategories', () => {
  it('returns array of categories from Directus', async () => {
    mockRequest.mockResolvedValue([
      { id: '1', name: 'Anime', slug: 'anime', description: null },
      { id: '2', name: 'VTubers', slug: 'vtubers', description: null },
    ])
    const { getAllCategories } = await import('@/lib/directus')
    const result = await getAllCategories()
    expect(result).toHaveLength(2)
    expect(result[0].slug).toBe('anime')
  })
})

describe('getArticleBySlug', () => {
  it('returns null when no article matches', async () => {
    mockRequest.mockResolvedValue([])
    const { getArticleBySlug } = await import('@/lib/directus')
    const result = await getArticleBySlug('nonexistent')
    expect(result).toBeNull()
  })

  it('returns the first matching article', async () => {
    mockRequest.mockResolvedValue([
      {
        id: '1', title: 'Frieren S2', slug: 'frieren-s2', status: 'published',
        content: '<p>Body</p>', excerpt: 'Short', featured_image: null,
        published_at: '2026-05-28T00:00:00Z', is_featured: false,
        seo_title: null, seo_description: null,
        category: { id: '1', name: 'Anime', slug: 'anime', description: null },
        tags: [],
      },
    ])
    const { getArticleBySlug } = await import('@/lib/directus')
    const result = await getArticleBySlug('frieren-s2')
    expect(result?.title).toBe('Frieren S2')
  })
})

describe('getAssetUrl', () => {
  it('constructs a proxied asset URL from a file UUID', async () => {
    const { getAssetUrl } = await import('@/lib/directus')
    const url = getAssetUrl('abc-123-uuid')
    expect(url).toBe('/api/image/abc-123-uuid')
  })

  it('appends width and quality query params', async () => {
    const { getAssetUrl } = await import('@/lib/directus')
    const url = getAssetUrl('abc-123-uuid', { width: 800, quality: 80 })
    expect(url).toContain('width=800')
    expect(url).toContain('quality=80')
    expect(url).toContain('/api/image/')
  })
})