export interface XuqmInitOptions {
  appId: string
  serverUrl: string    // e.g. "https://sentry.xuqinmin.com" — SDK fetches config from here
  appKey?: string
  debug?: boolean
}

export interface XuqmConfig {
  appId: string
  appKey: string
  serverUrl: string
  apiBaseUrl: string      // im-service base URL
  imWsUrl: string         // fetched from remote config
  fileServiceUrl: string  // fetched from remote config
  debug: boolean
}

let _config: XuqmConfig | null = null

export function initConfigFromRemote(
  options: XuqmInitOptions,
  remote: { imWsUrl: string; fileServiceUrl: string; apiBaseUrl: string },
): void {
  _config = {
    appId:          options.appId,
    appKey:         options.appKey ?? options.appId,
    serverUrl:      options.serverUrl,
    apiBaseUrl:     remote.apiBaseUrl,
    imWsUrl:        remote.imWsUrl,
    fileServiceUrl: remote.fileServiceUrl,
    debug:          options.debug ?? false,
  }
}

export function getConfig(): XuqmConfig {
  if (!_config) throw new Error('[XuqmSDK] Not initialized — call XuqmSDK.initialize() first.')
  return _config
}

export function isInitialized(): boolean {
  return _config !== null
}