from __future__ import unicode_literals
from moto.core.exceptions import JsonRESTError


class IoTClientError(JsonRESTError):
    code = 400


class ResourceNotFoundException(IoTClientError):
    def __init__(self, msg=None):
        self.code = 404
        super(ResourceNotFoundException, self).__init__(
            "ResourceNotFoundException", msg or "The specified resource does not exist"
        )


class InvalidRequestException(IoTClientError):
    def __init__(self, msg=None):
        self.code = 400
        super(InvalidRequestException, self).__init__(
            "InvalidRequestException", msg or "The request is not valid."
        )


class InvalidStateTransitionException(IoTClientError):
    def __init__(self, msg=None):
        self.code = 409
        super(InvalidStateTransitionException, self).__init__(
            "InvalidStateTransitionException",
            msg or "An attempt was made to change to an invalid state.",
        )


class VersionConflictException(IoTClientError):
    def __init__(self, name):
        self.code = 409
        super(VersionConflictException, self).__init__(
            "VersionConflictException",
            "The version for thing %s does not match the expected version." % name,
        )


class CertificateStateException(IoTClientError):
    def __init__(self, msg, cert_id):
        self.code = 406
        super(CertificateStateException, self).__init__(
            "CertificateStateException", "%s Id: %s" % (msg, cert_id)
        )


class DeleteConflictException(IoTClientError):
    def __init__(self, msg):
        self.code = 409
        super(DeleteConflictException, self).__init__("DeleteConflictException", msg)


class ResourceAlreadyExistsException(IoTClientError):
    def __init__(self, msg):
        self.code = 409
        super(ResourceAlreadyExistsException, self).__init__(
            "ResourceAlreadyExistsException", msg or "The resource already exists."
        )