from rest_framework.exceptions import PermissionDenied, ValidationError


class AutoLabelingPermissionDenied(PermissionDenied):
    default_detail = 'You do not have permission to perform auto labeling.' \
                     'Please ask the project administrators to add you.'


class URLConnectionError(ValidationError):
    default_detail = 'Failed to establish a connection. Please check the URL or network.'


class AWSTokenError(ValidationError):
    default_detail = 'The security token included in the request is invalid.'


class SampleDataException(ValidationError):
    default_detail = 'The response is empty. Maybe the sample data is not appropriate.' \
                     'Please specify another sample data which returns at least one label.'


class TemplateMappingError(ValidationError):
    default_detail = 'The response cannot be mapped. You might need to change the template.'