# Author: Nic Wolfe <nic@wolfeden.ca>
# URL: http://code.google.com/p/sickbeard/
#
# This file is part of SickRage.
#
# SickRage is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# SickRage is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with SickRage.  If not, see <http://www.gnu.org/licenses/>.

from sickbeard.encodingKludge import toUnicode

def ex(e):
    """
    Returns a unicode string from the exception text if it exists.
    """

    e_message = u""

    if not e or not e.args:
        return e_message

    for arg in e.args:

        if arg is not None:
            if isinstance(arg, (str, unicode)):
                fixed_arg = toUnicode(arg, True)

            else:
                try:
                    fixed_arg = u"error " + toUnicode(str(arg), True)

                except:
                    fixed_arg = None

            if fixed_arg:
                if not e_message:
                    e_message = fixed_arg

                else:
                    e_message = e_message + " : " + fixed_arg

    return e_message


class SickBeardException(Exception):
    "Generic SickRage Exception - should never be thrown, only subclassed"


class ConfigErrorException(SickBeardException):
    "Error in the config file"


class LaterException(SickBeardException):
    "Something bad happened that I'll make a real exception for later"


class NoNFOException(SickBeardException):
    "No NFO was found!"


class NoShowDirException(SickBeardException):
    "Unable to find the show's directory"


class FileNotFoundException(SickBeardException):
    "The specified file doesn't exist"


class MultipleDBEpisodesException(SickBeardException):
    "Found multiple episodes in the DB! Must fix DB first"


class MultipleDBShowsException(SickBeardException):
    "Found multiple shows in the DB! Must fix DB first"


class MultipleShowObjectsException(SickBeardException):
    "Found multiple objects for the same show! Something is very wrong"


class WrongShowException(SickBeardException):
    "The episode doesn't belong to the same show as its parent folder"


class ShowNotFoundException(SickBeardException):
    "The show wasn't found on the Indexer"


class EpisodeNotFoundException(SickBeardException):
    "The episode wasn't found on the Indexer"


class NewzbinAPIThrottled(SickBeardException):
    "Newzbin has throttled us, deal with it"


class ShowDirNotFoundException(SickBeardException):
    "The show dir doesn't exist"


class AuthException(SickBeardException):
    "Your authentication information is incorrect"


class EpisodeDeletedException(SickBeardException):
    "This episode has been deleted"


class CantRefreshException(SickBeardException):
    "The show can't be refreshed right now"


class CantUpdateException(SickBeardException):
    "The show can't be updated right now"


class PostProcessingFailed(SickBeardException):
    "Post-processing the episode failed"


class FailedProcessingFailed(SickBeardException):
    "Post-processing the failed release failed"


class FailedHistoryMultiSnatchException(SickBeardException):
    "Episode was snatched again before the first one was done"


class FailedHistoryNotFoundException(SickBeardException):
    "The release was not found in the failed download history tracker"


class EpisodeNotFoundByAbsoluteNumberException(SickBeardException):
    "The show wasn't found in the DB while looking at Absolute Numbers"