# Authors: John Dennis <jdennis@redhat.com>
#
# Copyright (C) 2006,2007,2008 Red Hat, Inc.
#
# This program 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 2 of the License, or
# (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
import gettext
from setroubleshoot.config import parse_config_setting, get_config

translation = gettext.translation(domain=get_config('general', 'i18n_text_domain'),
                                  localedir=get_config('general', 'i18n_locale_dir'),
                                  fallback=True)

try:
    _ = translation.ugettext  # Unicode version of gettext for Py2
except AttributeError:
    _ = translation.gettext  # Python3 (uses unicode by default)


__all__ = [
    'ProgramError',
    'get_strerror'
]

#-----------------------------------------------------------------------------

errcode = {}
strerror = {}
ERROR_BASE = 1000

#-----------------------------------------------------------------------------


def get_strerror(errno):
    str = strerror.get(errno, None)
    if str is None:
        import os
        str = os.strerror(errno)
    return str


def err(num, name, str):
    global errcode, strerror

    errno = ERROR_BASE + num
    globals()[name] = errno
    errcode[name] = errno
    __all__.append(name)
    strerror[errno] = str


#-----------------------------------------------------------------------------

class ProgramError(Exception):

    def __init__(self, errno, strerror=None, detail=None):
        self.errno = errno
        if strerror is None:
            self.strerror = get_strerror(errno)
        else:
            self.strerror = strerror
        if detail is not None:
            self.strerror += ' ' + detail

    def __str__(self):
        return "[Errno %d] %s" % (self.errno, self.strerror)


#-----------------------------------------------------------------------------

err(1, 'ERR_NO_SIGNATURE_MATCH', _('signature not found'))
err(2, 'ERR_MULTIPLE_SIGNATURE_MATCH', _('multiple signatures matched'))
err(3, 'ERR_SIGNATURE_ID_NOT_FOUND', _('id not found'))
err(4, 'ERR_DATABASE_NOT_FOUND', _('database not found'))
err(5, 'ERR_NOT_MEMBER', _('item is not a member'))
err(6, 'ERR_ILLEGAL_USER_CHANGE', _('illegal to change user'))
err(7, 'ERR_METHOD_NOT_FOUND', _('method not found'))
err(8, 'ERR_CANNOT_CREATE_GUI', _('cannot create GUI'))
err(9, 'ERR_UNKNOWN_VALUE', _('value unknown'))
err(10, 'ERR_FILE_OPEN', _('cannot open file'))
err(11, 'ERR_INVALID_EMAIL_ADDR', _('invalid email address'))

# gobject IO Errors
err(12, 'ERR_SOCKET_ERROR', _('socket error'))
err(13, 'ERR_SOCKET_HUP', _('connection has been broken'))
err(14, 'ERR_IO_INVALID', _('Invalid request. The file descriptor is not open'))

err(15, 'ERR_USER_PERMISSION', _('insufficient permission to modify user'))
err(16, 'ERR_AUTHENTICATION_FAILED', _('authentication failed'))
err(17, 'ERR_USER_PROHIBITED', _('user prohibited'))
err(18, 'ERR_NOT_AUTHENTICATED', _('not authenticated'))
err(19, 'ERR_USER_LOOKUP', _('user lookup failed'))