src/shared/modules/upload/google-drive/google-drive.config.ts

import { registerAs } from '@nestjs/config';

export default registerAs('googleDriveStorage', () => ({
  // Service Account (DEPRECATED - doesn't work with personal accounts)
  privateKey: process.env.GOOGLE_PRIVATE_KEY?.replace(/\\n/g, '\n'),
  clientEmail: process.env.GOOGLE_CLIENT_EMAIL,

  // OAuth2 Configuration (USE THIS for personal accounts)
  oauth2ClientId: process.env.GOOGLE_OAUTH2_CLIENT_ID,
  oauth2ClientSecret: process.env.GOOGLE_OAUTH2_CLIENT_SECRET,
  oauth2RedirectUri:
    process.env.GOOGLE_OAUTH2_REDIRECT_URI ||
    'http://localhost:5119/google-drive/oauth2callback',
  oauth2RefreshToken: process.env.GOOGLE_OAUTH2_REFRESH_TOKEN,

  // Folder IDs
  folderMain: process.env.GOOGLE_DRIVE_FOLDER_MAIN,
  folderImages: process.env.GOOGLE_DRIVE_FOLDER_IMAGES,
  folderVideos: process.env.GOOGLE_DRIVE_FOLDER_VIDEOS,
  folderDocuments: process.env.GOOGLE_DRIVE_FOLDER_DOCUMENTS,
}));