d3ro-voice/apps/desktop/src/main/services/ConfigService.ts

// src/main/services/ConfigService.ts
// electron-store 기반 설정 관리. 설계서 02의 AppConfig 타입 사용.

import { EventEmitter } from 'events'
import type { AppConfig, ConfigChangedEvent } from '@d3ro/core/types'
import { getLogger } from './LoggerService'

const logger = getLogger('ConfigService')

// ============================================================
// SaaS 빌드 타임 주입 (electron.vite.config.ts의 define으로 박힘)
// ============================================================
// D3RO_SUPABASE_URL / D3RO_SUPABASE_ANON_KEY가 비어있지 않으면
// 데스크톱 사용자가 Settings에서 직접 입력할 필요 없이 SaaS 인스턴스에 자동 연결.
// 빈 문자열이면 기존 동작(사용자 입력) fallback.

const BUILD_TIME_SUPABASE_URL: string = process.env.D3RO_SUPABASE_URL ?? ''
const BUILD_TIME_SUPABASE_ANON_KEY: string = process.env.D3RO_SUPABASE_ANON_KEY ?? ''

export function isSupabaseBuildTimeConfigured(): boolean {
  return BUILD_TIME_SUPABASE_URL.length > 0 && BUILD_TIME_SUPABASE_ANON_KEY.length > 0
}

export function getBuildTimeSupabaseUrl(): string {
  return BUILD_TIME_SUPABASE_URL
}

export function getBuildTimeSupabaseAnonKey(): string {
  return BUILD_TIME_SUPABASE_ANON_KEY
}

// electron-store v10은 ESM 전용이므로 동적 import 필요
interface ElectronStore<T extends Record<string, unknown>> {
  get<K extends keyof T>(key: K): T[K]
  set<K extends keyof T>(key: K, value: T[K]): void
  store: T
}

const CONFIG_DEFAULTS: AppConfig = {
  theme: 'auto',
  language: 'ko',
  closeToTray: true,
  autoLaunch: false,
  soundEnabled: true,
  selectedDeviceId: null,
  sttModelId: 'base',
  sttLanguage: 'auto',
  ttsVoiceId: null,
  ttsSpeed: 1.0,
  ollamaServerUrl: 'http://localhost:11434',
  llmModelId: null,
  defaultLLMAction: 'refine',
  dictationShortcut: {
    keyCode: 0xa5, // Right Alt
    ctrl: false,
    alt: false,
    shift: false,
    meta: false,
    displayLabel: 'Right Alt'
  },
  handsFreeShortcut: {
    keyCode: 0xa5,
    ctrl: false,
    alt: false,
    shift: false,
    meta: false,
    displayLabel: 'Right Alt (double)'
  },
  commandShortcut: {
    keyCode: 0xa5,
    ctrl: true,
    alt: false,
    shift: false,
    meta: false,
    displayLabel: 'Ctrl + Right Alt'
  },
  captionShortcut: {
    keyCode: 0xa5,
    ctrl: true,
    alt: false,
    shift: true,
    meta: false,
    displayLabel: 'Ctrl + Shift + Right Alt'
  },
  hotkeyEnabled: true,
  insertMethod: 'clipboard',
  autoInsert: true,
  maxHistoryEntries: 1000,
  dictationEnabled: true,
  agentModeEnabled: false,
  handsFreeEnabled: false,
  screenContextEnabled: false,
  hfToken: '',
  diarizationEnabled: false,
  supabaseUrl: '',
  supabaseAnonKey: '',
  cloudSyncLastAt: null,
  onboardingCompleted: false,
}

let store: ElectronStore<AppConfig> | null = null
const emitter = new EventEmitter()

export async function initConfigService(): Promise<void> {
  const { default: Store } = await import('electron-store')
  store = new Store<AppConfig>({
    name: 'd3ro-voice-config',
    defaults: CONFIG_DEFAULTS
  })
  logger.info('ConfigService initialized')
}

export function getConfigService(): ElectronStore<AppConfig> | null {
  return store
}

export function configGet<K extends keyof AppConfig>(key: K): AppConfig[K] {
  // SaaS 빌드 타임 주입은 사용자 설정보다 우선.
  if (key === 'supabaseUrl' && BUILD_TIME_SUPABASE_URL.length > 0) {
    return BUILD_TIME_SUPABASE_URL as AppConfig[K]
  }
  if (key === 'supabaseAnonKey' && BUILD_TIME_SUPABASE_ANON_KEY.length > 0) {
    return BUILD_TIME_SUPABASE_ANON_KEY as AppConfig[K]
  }

  if (!store) {
    logger.warn(`ConfigService not initialized, returning default for "${key}"`)
    return CONFIG_DEFAULTS[key]
  }
  return store.get(key)
}

export function configSet<K extends keyof AppConfig>(key: K, value: AppConfig[K]): void {
  // SaaS 빌드 타임 주입된 값은 변경 차단 (사용자가 잘못된 값으로 덮어쓰는 것 방지).
  if (
    (key === 'supabaseUrl' || key === 'supabaseAnonKey') &&
    isSupabaseBuildTimeConfigured()
  ) {
    logger.warn(`Refusing to override build-time SaaS config: "${key}"`)
    return
  }

  if (!store) {
    logger.warn(`ConfigService not initialized, cannot set "${key}"`)
    return
  }
  const previousValue = store.get(key)
  store.set(key, value)

  const event: ConfigChangedEvent = {
    key,
    value,
    previousValue
  }
  emitter.emit('config-changed', event)
  logger.debug(`Config changed: ${key}`)
}

export function configGetAll(): AppConfig {
  if (!store) return { ...CONFIG_DEFAULTS }
  return store.store
}

export function configReset(key?: keyof AppConfig): void {
  if (!store) return
  if (key) {
    store.set(key, CONFIG_DEFAULTS[key])
  } else {
    store.store = { ...CONFIG_DEFAULTS }
  }
}

export function onConfigChanged(callback: (event: ConfigChangedEvent) => void): () => void {
  emitter.on('config-changed', callback)
  return () => emitter.off('config-changed', callback)
}