#
# Copyright (c) 2008-20011 Brad Taylor <brad@getcoded.net>
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#

import bugzilla
import fogbugz
import berserk2.bugtracker

from settings import BUG_TRACKER_TYPE

class BugTrackerFactory:
    @staticmethod
    def get_bug_tracker():
        try:
            mod = berserk2.bugtracker
            parts = BUG_TRACKER_TYPE.split('.')
            for i in parts:
                mod = getattr(mod, i)
            return mod
        except:
            return None

    @staticmethod
    def get_bug_tracker_instance(bug_tracker):
        tracker = BugTrackerFactory.get_bug_tracker()
        try:
            client = tracker(bug_tracker.base_url, bug_tracker.backend)
        except AttributeError:
            logging.error('Backend %s not found' % bug_tracker.backend)
            return None

        if not client.login(bug_tracker.username, bug_tracker.password):
            logging.error('Could not authenticate with bug tracker')
            return None
        return client
