// 데스크톱 동기화 엔진 ↔ 실제 Supabase(로컬 스택) 통합 검증.
// 모바일 앱이 쓰는 것과 같은 테이블·RPC·RLS를 상대로, 모바일 역할 클라이언트와 데스크톱 엔진이
// 서로의 생성·수정·삭제를 주고받는지 확인한다.
//
// 실행: 로컬 스택(`supabase start`, server/) 기동 후
//   D3RO_SYNC_IT_SUPABASE_URL=http://127.0.0.1:55321 \
//   D3RO_SYNC_IT_ANON_KEY=<publishable> D3RO_SYNC_IT_SERVICE_KEY=<secret> \
//   vitest run tests/integration/cross-device-sync.supabase.test.ts
// 환경변수가 없으면 건너뛴다(CI 기본).

import fs from 'fs'
import os from 'os'
import path from 'path'
import { afterAll, beforeAll, describe, expect, it, vi } from 'vitest'
import { eq } from 'drizzle-orm'
import { createClient, type SupabaseClient } from '@supabase/supabase-js'
import { nodeRealtimeTransport } from '../../src/main/services/sync/realtime-transport'
import { createTestDb } from '../helpers/createTestDb'
import { bindTestDatabase, unbindTestDatabase } from '../../src/main/db'
import { dictionary, history, meetingMemos, meetingSessions, memoTags, ragChunks, ragDocuments } from '../../src/main/db/schema'
import { configGet, configSet, initInMemoryConfig, resetInMemoryConfig } from '../../src/main/services/ConfigService'
import { resetRAGServiceForTests } from '../../src/main/services/RAGService'
import {
  getCustomInstructionService,
  resetCustomInstructionServiceForTests,
} from '../../src/main/services/CustomInstructionService'
import {
  getDictationTemplateService,
  resetDictationTemplateServiceForTests,
} from '../../src/main/services/DictationTemplateService'
import { resetMeetingDocTemplateServiceForTests } from '../../src/main/services/MeetingDocTemplateService'
import { SyncEngine } from '../../src/main/services/sync/SyncEngine'
import { SupabaseSyncRemote } from '../../src/main/services/sync/supabase-sync-remote'
import { enqueueChange, outboxCounts } from '../../src/main/services/sync/sync-outbox'
import { memoTagKey } from '../../src/main/services/sync/memo-tag-sync'
import { checkInDesktopDevice } from '../../src/main/services/sync/device-registration'

const URL = process.env.D3RO_SYNC_IT_SUPABASE_URL
const ANON = process.env.D3RO_SYNC_IT_ANON_KEY
const SERVICE = process.env.D3RO_SYNC_IT_SERVICE_KEY
const enabled = Boolean(URL && ANON && SERVICE)

// 데스크톱 CloudSyncService와 같은 클라이언트 설정 (Node 20에는 전역 WebSocket이 없다)
const noPersist = {
  auth: { persistSession: false, autoRefreshToken: false, detectSessionInUrl: false },
  realtime: { transport: nodeRealtimeTransport },
}

async function signedInClient(email: string, password: string): Promise<SupabaseClient> {
  const client = createClient(URL!, ANON!, noPersist)
  const { error } = await client.auth.signInWithPassword({ email, password })
  if (error) throw error
  return client
}

function must<T>(result: { data: T; error: { message: string } | null }): T {
  if (result.error) throw new Error(result.error.message)
  return result.data
}

describe.skipIf(!enabled)('cross-device sync against local Supabase', () => {
  let admin: SupabaseClient
  let desktop: SupabaseClient
  let mobile: SupabaseClient
  let userId: string
  let testDb: ReturnType<typeof createTestDb>
  let engine: SyncEngine

  beforeAll(async () => {
    admin = createClient(URL!, SERVICE!, noPersist)
    const email = `sync-it-${Date.now()}@example.com`
    const password = `Sync-it-${crypto.randomUUID()}`
    const created = await admin.auth.admin.createUser({ email, password, email_confirm: true })
    if (created.error || !created.data.user) throw created.error ?? new Error('no user')
    userId = created.data.user.id
    desktop = await signedInClient(email, password)
    mobile = await signedInClient(email, password)

    testDb = createTestDb()
    bindTestDatabase(testDb.db, userId)
    initInMemoryConfig()
    resetCustomInstructionServiceForTests()
    resetDictationTemplateServiceForTests()
    resetMeetingDocTemplateServiceForTests()
    getCustomInstructionService().initialize()
    engine = new SyncEngine({ remote: new SupabaseSyncRemote(desktop), userId })
  })

  afterAll(async () => {
    engine?.dispose()
    unbindTestDatabase()
    resetInMemoryConfig()
    testDb?.close()
    if (userId) await admin.auth.admin.deleteUser(userId)
  })

  it('양방향 최초 동기화 — 모바일 기존 데이터 수신 + 데스크톱 데이터 업로드', async () => {
    const db = testDb.db
    const now = Date.now()

    // 모바일이 먼저 만들어 둔 것
    const phoneHistory = crypto.randomUUID()
    must(await mobile.from('history').insert({ id: phoneHistory, user_id: userId, original_text: 'from phone', duration: 2, is_favorite: true }))
    await mobile.rpc('mobile_add_memo_tag_v1', { p_history_id: phoneHistory, p_tag: 'Phone Tag' }).throwOnError()
    must(await mobile.from('dictionary').insert({ id: crypto.randomUUID(), user_id: userId, word: 'kubernetes', category: 'user' }))
    const phoneMeeting = crypto.randomUUID()
    must(await mobile.from('meetings').insert({ id: phoneMeeting, user_id: userId, title: 'phone meeting', status: 'completed' }))
    must(await mobile.from('meeting_memos').insert({ id: crypto.randomUUID(), meeting_id: phoneMeeting, user_id: userId, content: 'phone memo', timestamp_ms: 3 }))
    must(await mobile.from('custom_instructions').insert({ user_id: userId, name: 'Phone command', prompt: 'Be brief', icon: 'sparkles' }))
    await mobile
      .rpc('create_user_template_v1', {
        p_template_kind: 'meeting_document',
        p_name: 'Phone template',
        p_description: null,
        p_fields: [],
        p_output_format: null,
        p_system_prompt: 'Summarise',
      })
      .throwOnError()

    // 데스크톱에만 있는 것
    const deskHistory = crypto.randomUUID()
    db.insert(history).values({ id: deskHistory, originalText: 'from desktop', duration: 1.5, createdAt: now, updatedAt: now }).run()
    db.insert(memoTags).values({ id: crypto.randomUUID(), historyId: deskHistory, tag: 'desk', createdAt: now }).run()
    db.insert(dictionary).values({ id: crypto.randomUUID(), word: 'Kubernetes', category: 'user', usageCount: 4, createdAt: now, updatedAt: now }).run()
    const m1 = crypto.randomUUID()
    const m2 = crypto.randomUUID()
    for (const m of [m1, m2]) {
      db.insert(meetingSessions).values({ id: m, title: `desk ${m.slice(0, 4)}`, status: 'completed', startedAt: now, createdAt: now, updatedAt: now }).run()
      db.insert(meetingMemos).values({ id: crypto.randomUUID(), sessionId: m, content: 'desk memo', timestampMs: 1, createdAt: now }).run()
    }
    const deskCommand = getCustomInstructionService().create({ name: 'Desk command', description: '', prompt: 'Rewrite formally' })
    const deskTemplate = getDictationTemplateService().create({
      name: 'Desk dictation',
      description: 'd',
      fields: [{ id: 'field0', name: 'body', label: 'Body', promptText: 'Say it', required: true, maxDurationSec: 60 }],
      outputFormat: '{{body}}',
    })

    const result = await engine.runFullSync()
    expect(result.errors).toEqual([])
    expect(outboxCounts()).toEqual({ pending: 0, parked: 0 })

    // 서버(모바일이 보는 것)
    const remoteHistory = must(await mobile.from('history').select('id').eq('user_id', userId))
    expect(remoteHistory.map((r) => r.id).sort()).toEqual([phoneHistory, deskHistory].sort())
    const remoteMemos = must(await mobile.from('meeting_memos').select('meeting_id').eq('user_id', userId))
    expect(new Set(remoteMemos.map((r) => r.meeting_id))).toEqual(new Set([phoneMeeting, m1, m2]))
    const remoteTags = must(await mobile.rpc('mobile_list_memo_tags_v1')) as Array<{ normalized_tag: string }>
    expect(remoteTags.map((r) => r.normalized_tag).sort()).toEqual(['desk', 'phone tag'])
    const remoteDict = must(await mobile.from('dictionary').select('word').eq('user_id', userId))
    expect(remoteDict).toHaveLength(1)
    const remoteCommands = must(await mobile.from('custom_instructions').select('id,name').eq('user_id', userId).is('builtin_key', null))
    expect(remoteCommands.map((r) => r.name).sort()).toEqual(['Desk command', 'Phone command'])
    expect(remoteCommands.some((r) => r.id === deskCommand.id)).toBe(true)
    const remoteTemplate = must(await mobile.from('user_templates').select('id,name').eq('id', deskTemplate.id).maybeSingle())
    expect(remoteTemplate?.name).toBe('Desk dictation')

    // 데스크톱(로컬)
    const local = db.select().from(history).where(eq(history.id, phoneHistory)).get()
    expect(local?.isFavorite).toBe(true)
    expect(db.select().from(memoTags).all().map((t) => t.tag).sort()).toEqual(['desk', 'phone tag'])
    expect(db.select().from(dictionary).all()).toHaveLength(1)
    expect(db.select().from(meetingMemos).where(eq(meetingMemos.sessionId, phoneMeeting)).all()).toHaveLength(1)
    expect(getCustomInstructionService().getAll().some((i) => i.name === 'Phone command')).toBe(true)
  })

  it('모바일 수정·삭제 → 데스크톱, 데스크톱 삭제 → 모바일', async () => {
    const db = testDb.db
    const rows = must(await mobile.from('history').select('id,original_text,revision').eq('user_id', userId))
    const phone = rows.find((r) => r.original_text === 'from phone')!
    const desk = rows.find((r) => r.original_text === 'from desktop')!

    // 모바일식 낙관적 동시성 수정
    must(
      await mobile
        .from('history')
        .update({ original_text: 'phone edited', revision: Number(phone.revision) + 1 })
        .eq('id', phone.id)
        .eq('revision', phone.revision)
    )
    must(await mobile.from('meetings').delete().eq('user_id', userId).eq('title', 'phone meeting'))
    await engine.pull()
    expect(db.select().from(history).where(eq(history.id, phone.id)).get()?.originalText).toBe('phone edited')
    expect(db.select().from(meetingSessions).all().map((m) => m.title)).not.toContain('phone meeting')

    // 데스크톱 즐겨찾기 → 서버 revision 증가(모바일 충돌 감지)
    db.update(history).set({ isFavorite: true, updatedAt: Date.now() }).where(eq(history.id, desk.id)).run()
    enqueueChange('history', desk.id, 'upsert')
    await engine.flush()
    const after = must(await mobile.from('history').select('is_favorite,revision').eq('id', desk.id).single())
    expect(after.is_favorite).toBe(true)
    expect(Number(after.revision)).toBeGreaterThan(Number(desk.revision))

    // 데스크톱 삭제
    db.delete(memoTags).where(eq(memoTags.historyId, desk.id)).run()
    db.delete(history).where(eq(history.id, desk.id)).run()
    enqueueChange('history', desk.id, 'delete')
    enqueueChange('memo_tags', memoTagKey(desk.id, 'desk'), 'delete')
    const flushed = await engine.flush()
    expect(flushed.errors).toEqual([])
    const gone = must(await mobile.from('history').select('id').eq('id', desk.id))
    expect(gone).toEqual([])
  })

  it('모바일 데이터 내보내기가 동기화된 데이터로도 성공한다 (v1 키 계약)', async () => {
    const exported = must(await mobile.rpc('export_account_portability')) as Array<{ canonical_payload: string }>
    const payload = JSON.parse(exported[0].canonical_payload) as {
      datasets: { meeting_memos: Array<Record<string, unknown>>; meetings: Array<Record<string, unknown>> }
    }
    for (const memo of payload.datasets.meeting_memos) {
      expect(Object.keys(memo).sort()).toEqual(['content', 'created_at', 'id', 'meeting_id', 'timestamp_ms', 'user_id'])
    }
    for (const meeting of payload.datasets.meetings) {
      expect(meeting).not.toHaveProperty('attendees')
    }
  })

  it('모바일 생성·삭제가 Realtime(행 + 삭제 기록)으로 데스크톱에 즉시 알려진다', async () => {
    const session = must(await desktop.auth.getSession()).session
    desktop.realtime.setAuth(session!.access_token)
    const seen: string[] = []
    const channel = desktop
      .channel(`it-sync:${userId}`)
      .on('postgres_changes', { event: '*', schema: 'public', table: 'history', filter: `user_id=eq.${userId}` }, (p) =>
        seen.push(`history:${p.eventType}`)
      )
      .on(
        'postgres_changes',
        { event: 'INSERT', schema: 'public', table: 'sync_tombstones', filter: `user_id=eq.${userId}` },
        () => seen.push('tombstone')
      )
    await new Promise<void>((resolve, reject) => {
      const timer = setTimeout(() => reject(new Error('realtime subscribe timeout')), 15_000)
      channel.subscribe((status, err) => {
        if (status !== 'SUBSCRIBED') seen.push(`status:${status}:${err?.message ?? ''}`)
        if (status === 'SUBSCRIBED') {
          clearTimeout(timer)
          resolve()
        }
      })
    })
    // 구독 직후에는 서버의 변경 감시 등록이 끝나지 않았을 수 있다.
    await new Promise((r) => setTimeout(r, 1500))
    const id = crypto.randomUUID()
    must(await mobile.from('history').insert({ id, user_id: userId, original_text: 'rt', duration: 1 }))
    await new Promise((r) => setTimeout(r, 1000))
    // 필터 채널에는 DELETE 이벤트가 오지 않는다(Supabase 제약) — 삭제는 sync_tombstones INSERT로 전달된다.
    must(await mobile.from('history').delete().eq('id', id))
    const deadline = Date.now() + 15_000
    while (Date.now() < deadline && !(seen.includes('history:INSERT') && seen.includes('tombstone'))) {
      await new Promise((r) => setTimeout(r, 200))
    }
    await desktop.removeChannel(channel)
    expect(seen).toContain('history:INSERT')
    expect(seen).toContain('tombstone')
  }, 45_000)

  it('지식 문서(원문 청크)·설정·녹음이 실제 RLS/저장소 정책을 통과해 오간다', async () => {
    const db = testDb.db
    resetRAGServiceForTests()
    // 로컬 임베딩 서버(Ollama)는 없다고 보고 원문 저장 경로만 확인한다(Supabase 호출은 통과시킨다).
    const realFetch = globalThis.fetch
    vi.spyOn(globalThis, 'fetch').mockImplementation((input, init) =>
      String(input instanceof Request ? input.url : input).includes('11434')
        ? Promise.reject(new TypeError('fetch failed'))
        : realFetch(input, init)
    )

    // 데스크톱 지식 문서
    const docId = crypto.randomUUID()
    db.insert(ragDocuments).values({ id: docId, fileName: 'desk.md', filePath: '', fileType: 'md', chunkCount: 2, indexed: false, addedAt: Date.now() }).run()
    ;['alpha chunk', 'beta chunk'].forEach((content, chunkIndex) =>
      db.insert(ragChunks).values({ id: crypto.randomUUID(), documentId: docId, content, embedding: '', chunkIndex }).run()
    )
    enqueueChange('knowledge_documents', docId, 'upsert')

    // 모바일 지식 문서
    const phoneDoc = crypto.randomUUID()
    must(await mobile.from('knowledge_documents').insert({ id: phoneDoc, user_id: userId, title: 'Phone doc', file_name: 'phone.txt', file_type: 'txt', chunk_count: 1 }))
    must(await mobile.from('knowledge_chunks').insert({ document_id: phoneDoc, chunk_index: 0, content: 'from the phone' }))

    // 녹음이 있는 데스크톱 기록
    const audioDir = fs.mkdtempSync(path.join(os.tmpdir(), 'd3ro-it-audio-'))
    const audioFile = path.join(audioDir, 'clip.wav')
    fs.writeFileSync(audioFile, Buffer.from('RIFF----WAVEfmt integration audio bytes'))
    const clipId = crypto.randomUUID()
    db.insert(history).values({ id: clipId, originalText: 'with audio', duration: 1, audioLocalPath: audioFile, createdAt: Date.now(), updatedAt: Date.now() }).run()
    enqueueChange('history', clipId, 'upsert')
    enqueueChange('history_audio', clipId, 'upsert')

    // 설정: 데스크톱 변경 → 서버, 이후 모바일 변경 → 데스크톱
    configSet('theme', 'dark')
    enqueueChange('user_settings', 'self', 'upsert')

    const pushed = await engine.flush()
    expect(pushed.errors).toEqual([])
    const remoteChunks = must(await mobile.from('knowledge_chunks').select('content').eq('document_id', docId).order('chunk_index'))
    expect(remoteChunks.map((c) => c.content)).toEqual(['alpha chunk', 'beta chunk'])
    const audio = must(await mobile.from('audio_files').select('storage_key,upload_status,mime_type').eq('history_id', clipId))
    expect(audio).toHaveLength(1)
    expect(audio[0].upload_status).toBe('uploaded')
    const signed = await mobile.storage.from('audio').createSignedUrl(String(audio[0].storage_key), 60)
    expect(signed.error).toBeNull()
    const settings = must(await mobile.from('user_settings').select('theme_mode,revision').eq('user_id', userId).single())
    expect(settings.theme_mode).toBe('dark')

    must(
      await mobile
        .from('user_settings')
        .update({ locale: 'en', revision: Number(settings.revision) + 1 })
        .eq('user_id', userId)
        .eq('revision', settings.revision)
    )
    await engine.pull()
    expect(configGet('language')).toBe('en')
    const pulledChunks = db.select().from(ragChunks).where(eq(ragChunks.documentId, phoneDoc)).all()
    expect(pulledChunks.map((c) => c.content)).toEqual(['from the phone'])

    // 모바일이 지식 문서를 지우면 데스크톱에서도 사라진다(삭제 기록)
    must(await mobile.from('knowledge_documents').delete().eq('id', phoneDoc))
    await engine.pull()
    expect(db.select().from(ragDocuments).where(eq(ragDocuments.id, phoneDoc)).all()).toEqual([])

    // 데스크톱 기록 삭제 → 저장소 녹음도 정리
    db.delete(history).where(eq(history.id, clipId)).run()
    enqueueChange('history', clipId, 'delete')
    const deleted = await engine.flush()
    expect(deleted.errors).toEqual([])
    expect(must(await mobile.from('audio_files').select('id').eq('user_id', userId).eq('storage_key', String(audio[0].storage_key)))).toEqual([])
    fs.rmSync(audioDir, { recursive: true, force: true })
    vi.restoreAllMocks()
  }, 60_000)

  it('데스크톱 전사가 폰이 그리는 구간으로 올라가고, 고친 프리셋 프롬프트가 폰 명령에 쓰인다', async () => {
    const db = testDb.db
    const meetingId = crypto.randomUUID()
    const now = Date.now()
    db.insert(meetingSessions).values({
      id: meetingId,
      title: 'segments',
      status: 'completed',
      startedAt: now,
      rawTranscript: '[00:00] one\n[00:04] two\n[00:09] three',
      createdAt: now,
      updatedAt: now,
    }).run()
    enqueueChange('meetings', meetingId, 'upsert')
    getCustomInstructionService().update('builtin-summarize', { prompt: '두 줄로 요약' })
    enqueueChange('builtin_instructions', 'builtin-summarize', 'upsert')
    const first = await engine.flush()
    expect(first.errors).toEqual([])
    const segments = must(await mobile.from('transcripts').select('segment_index,text,edited').eq('meeting_id', meetingId).order('segment_index'))
    expect(segments.map((s) => s.text)).toEqual(['one', 'two', 'three'])

    db.update(meetingSessions).set({ editedTranscript: '[00:00] [화자 1] one fixed', updatedAt: Date.now() }).where(eq(meetingSessions.id, meetingId)).run()
    enqueueChange('meetings', meetingId, 'upsert')
    expect((await engine.flush()).errors).toEqual([])
    const edited = must(await mobile.from('transcripts').select('text,speaker,edited').eq('meeting_id', meetingId))
    expect(edited).toEqual([{ text: 'one fixed', speaker: '화자 1', edited: true }])

    const summarize = must(await mobile.from('custom_instructions').select('prompt').eq('user_id', userId).eq('builtin_key', 'summarize').single())
    expect(summarize.prompt).toBe('두 줄로 요약')
    // 폰은 여전히 프리셋 행을 직접 고칠 수 없다(RLS)
    const blocked = await mobile.from('custom_instructions').update({ prompt: 'hack' }).eq('user_id', userId).eq('builtin_key', 'summarize').select('id')
    expect(blocked.data ?? []).toEqual([])
  })

  it('데스크톱이 기기 목록에 나타나고, 모바일에서 해제하면 revoked가 된다', async () => {
    const info = { deviceName: 'IT-DESKTOP', appVersion: '9.9.9', osVersion: 'test' }
    const first = await checkInDesktopDevice(desktop, userId, 'signin', info, null)
    expect(first.status).toBe('active')
    const listed = must(await mobile.from('devices').select('id,platform,device_name').eq('user_id', userId))
    expect(listed.some((d) => d.device_name === 'IT-DESKTOP')).toBe(true)

    const deviceId = first.status === 'active' ? first.deviceId : ''
    await mobile.rpc('revoke_device', { target_device_id: deviceId }).throwOnError()
    const after = await checkInDesktopDevice(desktop, userId, 'heartbeat', info, deviceId)
    expect(after.status).toBe('revoked')

    // 같은 계정으로 다시 로그인하면 새 설치 id로 재등록된다
    const again = await checkInDesktopDevice(desktop, userId, 'signin', info, deviceId)
    expect(again.status).toBe('active')
  })
})