from __future__ import print_function
from __future__ import division
from __future__ import absolute_import
from __future__ import unicode_literals

import dbus


class BluezDBusException(Exception):
    def __init__(self, reason):
        self.reason = reason

    def __str__(self):
        return self.reason


class DBusFailedError(BluezDBusException):
    pass


class DBusInvalidArgumentsError(BluezDBusException):
    pass


class DBusNotAuthorizedError(BluezDBusException):
    pass


class DBusOutOfMemoryError(BluezDBusException):
    pass


class DBusNoSuchAdapterError(BluezDBusException):
    pass


class DBusNotReadyError(BluezDBusException):
    pass


class DBusNotAvailableError(BluezDBusException):
    pass


class DBusNotConnectedError(BluezDBusException):
    pass


class DBusConnectionAttemptFailedError(BluezDBusException):
    pass


class DBusAlreadyExistsError(BluezDBusException):
    pass


class DBusDoesNotExistError(BluezDBusException):
    pass


class DBusNoReplyError(BluezDBusException):
    pass


class DBusInProgressError(BluezDBusException):
    pass


class DBusNotSupportedError(BluezDBusException):
    pass


class DBusAuthenticationFailedError(BluezDBusException):
    pass


class DBusAuthenticationTimeoutError(BluezDBusException):
    pass


class DBusAuthenticationRejectedError(BluezDBusException):
    pass


class DBusAuthenticationCanceledError(BluezDBusException):
    pass


class DBusUnsupportedMajorClassError(BluezDBusException):
    pass


class DBusServiceUnknownError(BluezDBusException):
    pass


class DBusMainLoopNotSupportedError(BluezDBusException):
    pass


class DBusMainLoopModuleNotFoundError(BluezDBusException):
    pass


class BluezUnavailableAgentMethodError(BluezDBusException):
    pass


__DICT_ERROR__ = {'org.bluez.Error.Failed:': DBusFailedError,
                  'org.bluez.Error.InvalidArguments:': DBusInvalidArgumentsError,
                  'org.bluez.Error.NotAuthorized:': DBusNotAuthorizedError,
                  'org.bluez.Error.OutOfMemory:': DBusOutOfMemoryError,
                  'org.bluez.Error.NoSuchAdapter:': DBusNoSuchAdapterError,
                  'org.bluez.Error.NotReady:': DBusNotReadyError,
                  'org.bluez.Error.NotAvailable:': DBusNotAvailableError,
                  'org.bluez.Error.NotConnected:': DBusNotConnectedError,
                  'org.bluez.serial.Error.ConnectionAttemptFailed:': DBusConnectionAttemptFailedError,
                  'org.bluez.Error.AlreadyExists:': DBusAlreadyExistsError,
                  'org.bluez.Error.DoesNotExist:': DBusDoesNotExistError,
                  'org.bluez.Error.InProgress:': DBusInProgressError,
                  'org.bluez.Error.NoReply:': DBusNoReplyError,
                  'org.bluez.Error.NotSupported:': DBusNotSupportedError,
                  'org.bluez.Error.AuthenticationFailed:': DBusAuthenticationFailedError,
                  'org.bluez.Error.AuthenticationTimeout:': DBusAuthenticationTimeoutError,
                  'org.bluez.Error.AuthenticationRejected:': DBusAuthenticationRejectedError,
                  'org.bluez.Error.AuthenticationCanceled:': DBusAuthenticationCanceledError,
                  'org.bluez.serial.Error.NotSupported:': DBusNotSupportedError,
                  'org.bluez.Error.UnsupportedMajorClass:': DBusUnsupportedMajorClassError,
                  'org.freedesktop.DBus.Error.ServiceUnknown:': DBusServiceUnknownError}


def parse_dbus_error(exception):
    global __DICT_ERROR__

    aux = "%s" % exception
    aux_splt = aux.split(None, 1)
    try:
        return __DICT_ERROR__[aux_splt[0]](aux_splt[1])
    except KeyError:
        return exception


def raise_dbus_error(func):
    def warp(*args, **kwargs):
        try:
            return func(*args, **kwargs)
        except dbus.DBusException as exception:
            raise parse_dbus_error(exception)
    return warp


def raise_type_error(instance, cls):
    if not isinstance(instance, cls):
        raise TypeError('Expecting an instance of ' + cls.__name__ + ', not ' + type(instance).__name__)