import { initConfigFromRemote, isInitialized, type XuqmInitOptions } from './config'

export const XuqmSDK = {
  /**
   * Async initialize — fetches SDK config from the tenant platform.
   * Recommended for production use.
   *
   * @param options.appId     - Your application ID (from the tenant platform)
   * @param options.serverUrl - Base URL of the tenant platform, e.g. "https://sentry.xuqinmin.com"
   * @param options.appKey    - Optional; defaults to appId
   * @param options.debug     - Enable verbose logging
   */
  async initialize(options: XuqmInitOptions): Promise<void> {
    if (isInitialized()) return
    const configUrl = `${options.serverUrl}/api/sdk/config?appId=${options.appId}`
    try {
      const res = await fetch(configUrl)
      const json = await res.json()
      const remote = json.data ?? json
      initConfigFromRemote(options, {
        imWsUrl:        remote.imWsUrl,
        fileServiceUrl: remote.fileServiceUrl,
        apiBaseUrl:     remote.imApiUrl ?? options.serverUrl,
      })
    } catch (e) {
      // Fallback: construct URLs from serverUrl
      initConfigFromRemote(options, {
        imWsUrl:        options.serverUrl.replace('https://', 'wss://').replace('http://', 'ws://') + '/ws/im',
        fileServiceUrl: options.serverUrl,
        apiBaseUrl:     options.serverUrl,
      })
      if (options.debug) console.warn('[XuqmSDK] Config fetch failed, using fallback URLs', e)
    }
  },

  /**
   * Sync initialize — uses fallback URL construction from serverUrl.
   * Kept for backward compatibility; prefer initialize() for production use.
   *
   * @param options.appId     - Your application ID (from the tenant platform)
   * @param options.serverUrl - Base URL of the tenant platform, e.g. "https://sentry.xuqinmin.com"
   * @param options.appKey    - Optional; defaults to appId
   * @param options.debug     - Enable verbose logging
   */
  init(options: XuqmInitOptions): void {
    if (isInitialized()) return
    initConfigFromRemote(options, {
      imWsUrl:        options.serverUrl.replace('https://', 'wss://').replace('http://', 'ws://') + '/ws/im',
      fileServiceUrl: options.serverUrl,
      apiBaseUrl:     options.serverUrl,
    })
  },
}