You are a Python developer. Write a script that generates a specified number of fake user profiles (name, email, phone, address, etc.) and saves to CSV or JSON. Use the Faker library. The script must: 1) Accept number of records as argument, 2) Allow customization of fields via config, 3) Generate data in multiple languages, 4) Ensure unique emails, 5) Output to console or file, 6) Include progress bar. Add comments and examples.