banana-site-service/src/services/twitterService/clients.ts

import { Client, auth } from 'twitter-api-sdk'
import { X_BOT_CLIENT_ID, X_BOT_CLIENT_SECRET } from '../../constants'
import { Constant } from '../../db/models'

// Initialize auth client first
let authClient: auth.OAuth2User

export async function getAuthClient(): Promise<auth.OAuth2User> {
  if (authClient) return authClient
  const token = await Constant.get('xBotToken')

  if (token) {
    authClient = new auth.OAuth2User({
      client_id: X_BOT_CLIENT_ID,
      client_secret: X_BOT_CLIENT_SECRET,
      callback: 'http://localhost:8089/api/v1/x/callback',
      scopes: ['tweet.read', 'users.read', 'offline.access'],
      token,
    })
  } else {
    authClient = new auth.OAuth2User({
      client_id: X_BOT_CLIENT_ID,
      client_secret: X_BOT_CLIENT_SECRET,
      callback: 'http://localhost:8089/api/v1/x/callback',
      scopes: ['tweet.read', 'users.read', 'offline.access'],
    })
  }

  return authClient
}

export async function getTwitterClient(): Promise<Client> {
  const authClient = await getAuthClient()
  return new Client(authClient)
}