// tests/main/services/dictionary-redteam-r3-26.test.ts
// 서버 길이 제한(단어 120·발음 200)을 넘는 사전 항목은 로컬 저장·동기화 push 전에 거부돼야 한다.
// 예전엔 로컬에 저장한 뒤 pushOne 했고, 서버가 22023 으로 거부해 아웃박스에 영구 보류됐다.

import { describe, it, expect, beforeEach, vi } from 'vitest'
import { ErrorCode } from '@d3ro/core/errors'

const readFileSync = vi.fn()
const pushOne = vi.fn(async () => undefined)

vi.mock('fs', () => ({
  default: { writeFileSync: vi.fn(), readFileSync },
  writeFileSync: vi.fn(),
  readFileSync
}))

vi.mock('electron', () => ({
  app: { getPath: () => '/tmp/d3ro' },
  dialog: { showSaveDialog: vi.fn() }
}))

vi.mock('../../../src/main/windows/WindowManager', () => ({ getMainWindow: () => null }))

vi.mock('../../../src/main/services/LoggerService', () => ({
  getLogger: () => ({ info: vi.fn(), warn: vi.fn(), error: vi.fn(), debug: vi.fn() })
}))

vi.mock('../../../src/main/services/CloudSyncService', () => ({
  getCloudSyncService: () => ({ pushOne, pushDelete: vi.fn() })
}))

function chain(result: { all?: unknown[]; get?: unknown }): Record<string, unknown> {
  const builder: Record<string, unknown> = {}
  builder.from = vi.fn(() => builder)
  builder.where = vi.fn(() => builder)
  builder.all = vi.fn(() => result.all ?? [])
  builder.get = vi.fn(() => result.get)
  return builder
}

const existingRow = {
  id: 'row-1',
  word: 'AI',
  pronunciation: null,
  category: 'user',
  usageCount: 0,
  lastUsedAt: null,
  createdAt: 1,
  updatedAt: 1
}

const insertValues = vi.fn((_values: Record<string, unknown>) => ({
  run: vi.fn(() => ({ changes: 1 }))
}))
const updateSet = vi.fn(() => ({ where: vi.fn(() => ({ run: vi.fn(() => ({ changes: 1 })) })) }))

const txStub = {
  select: vi.fn(() => chain({ get: undefined })),
  insert: vi.fn(() => ({ values: insertValues }))
}

const mockDb = {
  select: vi.fn(() => chain({ all: [], get: existingRow })),
  insert: vi.fn(() => ({ values: insertValues })),
  update: vi.fn(() => ({ set: updateSet })),
  transaction: vi.fn((fn: (tx: typeof txStub) => void) => fn(txStub))
}

vi.mock('../../../src/main/db', () => ({ getDatabase: () => mockDb }))

type ServiceModule = typeof import('../../../src/main/services/DictionaryService')
let mod: ServiceModule

beforeEach(async () => {
  vi.clearAllMocks()
  vi.resetModules()
  mod = await import('../../../src/main/services/DictionaryService')
})

interface CapturedError {
  name: string
  message: string
  code: unknown
  details: unknown
}

// vi.resetModules() 로 서비스가 다른 D3ROError 클래스 인스턴스를 쓰므로 instanceof 대신 모양으로 확인한다
function captureError(fn: () => unknown): CapturedError {
  try {
    fn()
  } catch (err) {
    const captured = err as CapturedError
    expect(captured.name).toBe('D3ROError')
    return captured
  }
  throw new Error('expected a D3ROError')
}

describe('DictionaryService.add — 서버 길이 제한', () => {
  it('121자 단어는 저장·push 없이 field/max 를 담아 거부한다', () => {
    const err = captureError(() => mod.getDictionaryService().add({ word: 'w'.repeat(121) }))
    expect(err.code).toBe(ErrorCode.DictionaryImportInvalidFormat)
    expect(err.details).toMatchObject({ field: 'word', max: 120 })
    expect(mockDb.insert).not.toHaveBeenCalled()
    expect(pushOne).not.toHaveBeenCalled()
  })

  it('201자 발음은 저장·push 없이 거부한다', () => {
    const err = captureError(() =>
      mod.getDictionaryService().add({ word: 'ok', pronunciation: 'p'.repeat(201) })
    )
    expect(err.details).toMatchObject({ field: 'pronunciation', max: 200 })
    expect(mockDb.insert).not.toHaveBeenCalled()
    expect(pushOne).not.toHaveBeenCalled()
  })

  it('제한 이내 항목은 그대로 저장하고 push 한다', () => {
    const entry = mod.getDictionaryService().add({ word: 'w'.repeat(120), pronunciation: ' p ' })
    expect(entry.word).toBe('w'.repeat(120))
    expect(entry.pronunciation).toBe('p')
    expect(mockDb.insert).toHaveBeenCalledTimes(1)
    expect(pushOne).toHaveBeenCalledWith('dictionary', entry.id)
  })

  it('빈 단어는 기존과 같은 메시지로 거부한다', () => {
    const err = captureError(() => mod.getDictionaryService().add({ word: '  ' }))
    expect(err.message).toBe('Dictionary word is empty')
  })
})

describe('DictionaryService.update — 서버 길이 제한', () => {
  it('발음을 201자로 바꾸는 편집은 쓰기·push 없이 거부한다', () => {
    const err = captureError(() =>
      mod.getDictionaryService().update({ id: 'row-1', pronunciation: 'p'.repeat(201) })
    )
    expect(err.code).toBe(ErrorCode.DictionaryImportInvalidFormat)
    expect(err.details).toMatchObject({ field: 'pronunciation', max: 200 })
    expect(mockDb.update).not.toHaveBeenCalled()
    expect(pushOne).not.toHaveBeenCalled()
  })

  it('단어를 121자로 바꾸는 편집을 거부한다', () => {
    const err = captureError(() =>
      mod.getDictionaryService().update({ id: 'row-1', word: 'w'.repeat(121) })
    )
    expect(err.details).toMatchObject({ field: 'word', max: 120 })
    expect(mockDb.update).not.toHaveBeenCalled()
  })
})

describe('DictionaryService.importDictionary — 서버 길이 제한', () => {
  it('너무 긴 단어·발음 행은 오류로 세고 저장·push 하지 않는다', () => {
    readFileSync.mockReturnValue(
      JSON.stringify({
        entries: [
          { word: 'w'.repeat(121) },
          { word: 'long-pron', pronunciation: 'p'.repeat(201) },
          { word: 'ok', pronunciation: '오케이' }
        ]
      })
    )
    const result = mod
      .getDictionaryService()
      .importDictionary({ filePath: '/in/d.json', format: 'json' })
    expect(result).toEqual({ imported: 1, skipped: 0, errors: 2 })
    expect(insertValues).toHaveBeenCalledTimes(1)
    expect(insertValues).toHaveBeenCalledWith(
      expect.objectContaining({ word: 'ok', pronunciation: '오케이', category: 'user' })
    )
    expect(pushOne).toHaveBeenCalledTimes(1)
  })

  it('CSV 의 너무 긴 행도 거부한다', () => {
    readFileSync.mockReturnValue(`word,pronunciation\r\n${'x'.repeat(121)},\r\nfine,\r\n`)
    const result = mod
      .getDictionaryService()
      .importDictionary({ filePath: '/in/d.csv', format: 'csv' })
    expect(result).toEqual({ imported: 1, skipped: 0, errors: 1 })
  })
})