# from stdnum import (
#     iban, luhn, gstin, ssn, nino, bsn, cpf, abn, codicefiscale, vat, pesel
# )
# from stdnum.iso9362 import bic
# from stdnum.ean import is_valid as is_valid_ean
# from stdnum.imei import is_valid as is_valid_imei
# from stdnum.isbn import is_valid as is_valid_isbn

# # Expanded Validators Mapping
# VALIDATORS = {
#     "IN": {"GSTIN": gstin.is_valid, "Aadhaar": lambda x: len(x) == 12},
#     "US": {
#         "SSN": ssn.is_valid,
#         "EIN": lambda x: len(x) == 9,
#         "ITIN": lambda x: x.startswith("9") and len(x) == 9,
#         "CreditCard": luhn.is_valid,
#     },
#     "UK": {"NINO": nino.is_valid, "IBAN": iban.is_valid, "VAT": vat.is_valid},
#     "NL": {"BSN": bsn.is_valid, "IBAN": iban.is_valid, "VAT": vat.is_valid},
#     "AU": {"ABN": abn.is_valid, "TFN": lambda x: len(x) in (8, 9)},
#     "BE": {"VAT": vat.is_valid, "BIS": lambda x: len(x) == 11},
#     "BR": {"CPF": cpf.is_valid, "CNPJ": lambda x: len(x) == 14},
#     "IT": {"CodiceFiscale": codicefiscale.is_valid, "VAT": vat.is_valid},
#     "PL": {"PESEL": pesel.is_valid, "VAT": vat.is_valid},
#     "Generic": {
#         "IBAN": iban.is_valid,
#         "EAN": is_valid_ean,
#         "IMEI": is_valid_imei,
#         "ISBN": is_valid_isbn,
#         "BIC": bic.is_valid,
#     },
# }

# # Function to Validate Identifiers
# def validate_identifier(identifier, country=None):
#     """
#     Validate an identifier dynamically based on input and country.
    
#     Args:
#         identifier (str): The identifier to validate.
#         country (str, optional): Country code for validation (e.g., 'IN', 'US').
    
#     Returns:
#         dict: Validation result with details.
#     """
#     if not country:
#         return {"success": False, "message": "Country not specified."}
    
#     country = country.upper()
#     country_validators = VALIDATORS.get(country, {})
#     generic_validators = VALIDATORS.get("Generic", {})
    
#     # Combine specific and generic validators
#     all_validators = {**country_validators, **generic_validators}
    
#     for doc_type, validator in all_validators.items():
#         try:
#             if validator(identifier):
#                 return {
#                     "success": True,
#                     "type": doc_type,
#                     "message": f"Valid {doc_type} for {country}."
#                 }
#         except Exception as e:
#             continue  # Skip and continue with other validators
    
#     return {"success": False, "message": f"No valid identifier found for {country}."}

# # Example Usage
# if __name__ == "__main__":
#     examples = [
#         ("22AAAAA0000A1Z5", "IN"),   # GSTIN
#         ("123-45-6789", "US"),      # SSN
#         ("4111111111111111", "US"), # Credit Card
#         ("GB33BUKB20201555555555", "UK"),  # IBAN
#         ("12345678901", "BR"),      # CPF
#         ("9791234567890", None),    # ISBN (generic)
#     ]
    
#     for identifier, country in examples:
#         result = validate_identifier(identifier, country)
#         print(f"Identifier: {identifier}, Country: {country or 'Generic'} -> {result}")
