import { BaseItemCounts } from './lib/BaseItemCounts.js'
import * as Factory from './lib/factory.js'

chai.use(chaiAsPromised)
const expect = chai.expect

describe('auth fringe cases', () => {
  let context

  beforeEach(async function () {
    localStorage.clear()
    const application = await Factory.createInitAppWithFakeCrypto()
    context = {
      expectedItemCount: BaseItemCounts.DefaultItems,
      application: application,
      email: UuidGenerator.GenerateUuid(),
      password: UuidGenerator.GenerateUuid(),
      deinit: async () => {
        await Factory.safeDeinit(application)
      },
    }
  })

  afterEach(async function () {
    localStorage.clear()
  })

  const clearApplicationLocalStorageOfNonItems = function () {
    const keys = Object.keys(localStorage)
    for (const key of keys) {
      if (!key.toLowerCase().includes('item')) {
        localStorage.removeItem(key)
      }
    }
  }

  const awaitSync = true

  describe('localStorage improperly cleared with 1 item', function () {
    it('item should be errored', async function () {
      await context.application.register(context.email, context.password)
      const note = await Factory.createSyncedNote(context.application)
      clearApplicationLocalStorageOfNonItems()

      console.warn("Expecting errors 'Unable to find operator for version undefined'")

      const restartedApplication = await Factory.restartApplication(context.application)
      const refreshedNote = restartedApplication.payloads.findOne(note.uuid)
      expect(refreshedNote.errorDecrypting).to.equal(true)

      await Factory.safeDeinit(restartedApplication)
    })

    it('signing in again should decrypt item', async function () {
      await context.application.register(context.email, context.password)
      const note = await Factory.createSyncedNote(context.application)
      clearApplicationLocalStorageOfNonItems()
      const restartedApplication = await Factory.restartApplication(context.application)

      console.warn(
        "Expecting errors 'No associated key found for item encrypted with latest protocol version.'",
        "and 'Unable to find operator for version undefined'",
      )

      await restartedApplication.signIn(context.email, context.password, undefined, undefined, undefined, awaitSync)
      const refreshedNote = restartedApplication.items.findItem(note.uuid)
      expect(isDecryptedItem(refreshedNote)).to.equal(true)
      expect(restartedApplication.items.getDisplayableNotes().length).to.equal(1)
      await Factory.safeDeinit(restartedApplication)
    }).timeout(10000)
  })

  describe('having offline item matching remote item uuid', function () {
    it('offline item should not overwrite recently updated server item and conflict should be created', async function () {
      await context.application.register(context.email, context.password)

      const staleText = 'stale text'

      const firstVersionOfNote = await Factory.createSyncedNote(context.application, undefined, staleText)

      const serverText = 'server text'

      await context.application.changeAndSaveItem.execute(firstVersionOfNote, (mutator) => {
        mutator.text = serverText
      })

      const newApplication = await Factory.signOutApplicationAndReturnNew(context.application)

      /** Create same note but now offline */
      await newApplication.mutator.emitItemFromPayload(firstVersionOfNote.payload)

      /** Sign in and merge local data */
      await newApplication.signIn(context.email, context.password, undefined, undefined, true, true)

      expect(newApplication.items.getDisplayableNotes().length).to.equal(2)

      expect(newApplication.items.getDisplayableNotes().find((n) => n.uuid === firstVersionOfNote.uuid).text).to.equal(
        staleText,
      )

      const conflictedCopy = newApplication.items.getDisplayableNotes().find((n) => n.uuid !== firstVersionOfNote.uuid)
      expect(conflictedCopy.text).to.equal(serverText)
      expect(conflictedCopy.duplicate_of).to.equal(firstVersionOfNote.uuid)
      await Factory.safeDeinit(newApplication)
    }).timeout(10000)
  })
})