export {} // TODO
/*import * as auth from '@adxp/auth'
import * as ucan from 'ucans'
import {
  getInitialURL,
  extractHashFragment,
  clearHash,
} from '../../platform/urls'
import * as authFlow from '../../platform/auth-flow'
import * as storage from './storage'

const SCOPE = auth.writeCap(
  'did:key:z6MkfRiFMLzCxxnw6VMrHK8pPFt4QAHS3jX3XM87y9rta6kP',
  'did:example:microblog',
)

export async function isAuthed(authStore: ReactNativeStore) {
  return await authStore.hasUcan(SCOPE)
}

export async function logout(authStore: ReactNativeStore) {
  await authStore.reset()
}

export async function parseUrlForUcan(fragment: string) {
  try {
    return await auth.parseLobbyResponseHashFragment(fragment)
  } catch (err) {
    return undefined
  }
}

export async function initialLoadUcanCheck(authStore: ReactNativeStore) {
  let wasAuthed = false
  const fragment = extractHashFragment(await getInitialURL())
  if (fragment) {
    const ucan = await parseUrlForUcan(fragment)
    if (ucan) {
      await authStore.addUcan(ucan)
      wasAuthed = true
      clearHash()
    }
  }
  return wasAuthed
}

export async function requestAppUcan(authStore: ReactNativeStore) {
  return authFlow.requestAppUcan(authStore, SCOPE)
}

export class ReactNativeStore extends auth.AuthStore {
  private keypair: ucan.EdKeypair
  private ucanStore: ucan.Store

  constructor(keypair: ucan.EdKeypair, ucanStore: ucan.Store) {
    super()
    this.keypair = keypair
    this.ucanStore = ucanStore
  }

  static async load(): Promise<ReactNativeStore> {
    const keypair = await ReactNativeStore.loadOrCreateKeypair()

    const storedUcans = await ReactNativeStore.getStoredUcanStrs()
    const ucanStore = await ucan.Store.fromTokens(storedUcans)

    return new ReactNativeStore(keypair, ucanStore)
  }

  static async loadOrCreateKeypair(): Promise<ucan.EdKeypair> {
    const storedKey = await storage.loadString('adxKey')
    if (storedKey) {
      return ucan.EdKeypair.fromSecretKey(storedKey)
    } else {
      // @TODO: again just stand in since no actual root keys
      const keypair = await ucan.EdKeypair.create({exportable: true})
      storage.saveString('adxKey', await keypair.export())
      return keypair
    }
  }

  static async getStoredUcanStrs(): Promise<string[]> {
    const storedStr = await storage.loadString('adxUcans')
    if (!storedStr) {
      return []
    }
    return storedStr.split(',')
  }

  static setStoredUcanStrs(ucans: string[]): void {
    storage.saveString('adxUcans', ucans.join(','))
  }

  protected async getKeypair(): Promise<ucan.EdKeypair> {
    return this.keypair
  }

  async addUcan(token: ucan.Chained): Promise<void> {
    this.ucanStore.add(token)
    const storedUcans = await ReactNativeStore.getStoredUcanStrs()
    ReactNativeStore.setStoredUcanStrs([...storedUcans, token.encoded()])
  }

  async getUcanStore(): Promise<ucan.Store> {
    return this.ucanStore
  }

  async clear(): Promise<void> {
    storage.clear()
  }

  async reset(): Promise<void> {
    this.clear()
    this.keypair = await ReactNativeStore.loadOrCreateKeypair()
    this.ucanStore = await ucan.Store.fromTokens([])
  }
}
*/