import { describe, expect, it, vi } from 'vitest'
import {
  FIFTH_DOMAIN_DISCOVERY_URL,
  fetchFifthDomainDiscovery,
  parseFifthDomainDiscovery,
} from './fifthDomainDiscovery'

const validDiscovery = {
  schema: 'guanghu.ai-discovery/v1',
  name: '光湖语言世界 · 第五域',
  canonical_repository: 'https://guanghulab.com/fifth-domain/bingshuo/fifth-domain',
  repository_map: 'https://guanghulab.com/api/ai/v1/repositories',
  server_node_map: 'https://guanghulab.com/api/ai/v1/nodes',
  search_api: 'https://guanghulab.com/api/ai/v1/search?q={query}',
  resolve_api: 'https://guanghulab.com/api/ai/v1/resolve?id={NUMBER}',
  access: 'public-read-only',
}

describe('Fifth Domain discovery', () => {
  it('accepts the canonical public read-only discovery document', () => {
    expect(parseFifthDomainDiscovery(validDiscovery)).toMatchObject({
      access: 'public-read-only',
      canonicalRepository: validDiscovery.canonical_repository,
      nodeMap: validDiscovery.server_node_map,
    })
  })

  it('rejects a document that claims write access', () => {
    expect(() => parseFifthDomainDiscovery({ ...validDiscovery, access: 'write' }))
      .toThrow('public-read-only')
  })

  it('loads the well-known endpoint without sending credentials', async () => {
    const fetcher = vi.fn().mockResolvedValue({ ok: true, json: () => Promise.resolve(validDiscovery) })
    await fetchFifthDomainDiscovery(fetcher)

    expect(fetcher).toHaveBeenCalledWith(FIFTH_DOMAIN_DISCOVERY_URL, {
      cache: 'no-store',
      credentials: 'omit',
      signal: undefined,
    })
  })
})