import AsyncStorage from '@react-native-async-storage/async-storage'
import { FileSystem } from 'react-native-file-access'
import type {
  AudioPipelineResult,
  LocalAudioInput,
} from '../src/features/import/audio-import-types'

const mockProcessAudioInput = jest.fn<Promise<AudioPipelineResult>, [LocalAudioInput, unknown]>()

jest.mock('../src/features/import/audio-transcription-service', () => ({
  processAudioInput: (input: LocalAudioInput, options: unknown) => mockProcessAudioInput(input, options),
}))
jest.mock('../src/features/meetings/meetings-service', () => ({
  failMeetingRecording: jest.fn(async () => undefined),
  markMeetingProcessingFailure: jest.fn(async () => undefined),
  queueMeetingRecording: jest.fn(async () => undefined),
}))

import {
  clearQueuedAudioForUser,
  durableQueueTestContract,
  resumeQueuedAudioForUser,
  retainQueuedAudioOnlyForUser,
  type DurableQueueItem,
} from '../src/features/recording/durable-processing-queue'

const START_MS = 1_700_000_000_000
const USER_A = '11111111-1111-4111-8111-111111111111'
const USER_B = '22222222-2222-4222-8222-222222222222'

const mockFileSystem = FileSystem as typeof FileSystem & { filesystem: Map<string, string> }

function queued(
  userId: string,
  suffix: string,
  overrides: Partial<DurableQueueItem> = {},
): DurableQueueItem {
  const path = `${durableQueueTestContract.queueDirectory}/queued-${suffix}.wav`
  return {
    schemaVersion: 1,
    id: suffix,
    userId,
    meetingId: null,
    path,
    uri: `file://${path}`,
    fileName: `${suffix}.wav`,
    mimeType: 'audio/wav',
    sizeBytes: 5,
    durationMs: 100,
    source: 'recording',
    languageCode: 'ko',
    status: 'retry',
    phase: null,
    attempts: 1,
    uploadedBytes: 0,
    nextAttemptAtMs: START_MS + 5_000,
    lastErrorCode: 'upload',
    lastErrorMessage: null,
    createdAtMs: 1,
    updatedAtMs: 1,
    ...overrides,
  }
}

function result(): AudioPipelineResult {
  return {
    historyId: null,
    audioFileId: 'audio-file',
    meetingId: null,
    processingJobId: null,
    transcript: 'ok',
    provider: 'test',
    language: 'ko',
    durationSeconds: 1,
    deduplicated: false,
  }
}

async function seed(items: DurableQueueItem[]): Promise<void> {
  for (const item of items) mockFileSystem.filesystem.set(item.path, 'audio')
  await AsyncStorage.setItem(durableQueueTestContract.storageKey, JSON.stringify(items))
}

async function stored(): Promise<DurableQueueItem[]> {
  return durableQueueTestContract.parseQueue(
    await AsyncStorage.getItem(durableQueueTestContract.storageKey),
  )
}

async function settle(): Promise<void> {
  for (let index = 0; index < 5; index += 1) await jest.advanceTimersByTimeAsync(0)
}

describe('durable queue keeps the signed-out owner recordings (redteam r3-16 #2)', () => {
  beforeEach(async () => {
    jest.useFakeTimers({ now: START_MS })
    await AsyncStorage.clear()
    mockFileSystem.filesystem.clear()
    mockProcessAudioInput.mockReset().mockResolvedValue(result())
  })

  afterEach(async () => {
    for (const userId of [USER_A, USER_B]) {
      await clearQueuedAudioForUser(userId).catch(() => undefined)
    }
    await settle()
    jest.useRealTimers()
  })

  test('keeps the owner items and files, discards other accounts', async () => {
    const ownerRetry = queued(USER_A, 'aaa001')
    const ownerPending = queued(USER_A, 'aaa002', { status: 'pending', attempts: 0, nextAttemptAtMs: START_MS })
    const other = queued(USER_B, 'bbb001')
    await seed([ownerRetry, ownerPending, other])

    await retainQueuedAudioOnlyForUser(USER_A)

    expect((await stored()).map(item => item.id).sort()).toEqual(['aaa001', 'aaa002'])
    expect(mockFileSystem.filesystem.has(ownerRetry.path)).toBe(true)
    expect(mockFileSystem.filesystem.has(ownerPending.path)).toBe(true)
    expect(mockFileSystem.filesystem.has(other.path)).toBe(false)
  })

  test('does not spend retries while the owner is signed out, resumes on sign-in', async () => {
    const item = queued(USER_A, 'aaa003', { nextAttemptAtMs: START_MS })
    await seed([item])

    await retainQueuedAudioOnlyForUser(USER_A)
    await jest.advanceTimersByTimeAsync(60 * 60_000)
    await settle()
    expect(mockProcessAudioInput).not.toHaveBeenCalled()
    expect((await stored())[0]?.attempts).toBe(1)

    await resumeQueuedAudioForUser(USER_A)
    await settle()
    expect(mockProcessAudioInput).toHaveBeenCalledTimes(1)
    expect(await stored()).toEqual([])
  })
})