from app import config_provider
from util.config.validators import BaseValidator, ConfigValidationException
from util.license import LicenseDecodeError, EntitlementStatus

class LicenseValidator(BaseValidator):
  name = "license"

  @classmethod
  def validate(cls, config, user, user_password):
    try:
      decoded_license = config_provider.get_license()
    except LicenseDecodeError as le:
      raise ConfigValidationException('Could not decode license: %s' % le.message)

    results = decoded_license.validate(config)
    all_met = all(result.is_met() for result in results)
    if not all_met:
      reason = [result.description() for result in results if not result.is_met()]
      raise ConfigValidationException('License does not match configuration: %s' % reason)