'''Terminator plugin to make bug references clickable in RPM changelogs.'''

import re
from terminatorlib.plugin import URLHandler


AVAILABLE = ['SuseTrackersURLHandler']


_TRACKERS = {
    'bsc': 'https://bugzilla.suse.com/show_bug.cgi?id={}',
    'fate': 'https://features.opensuse.org/{}',
    'fdo': 'https://bugs.freedesktop.org/show_bug.cgi?id={}'
}

_MATCH = r'(?i)(?P<tracker>{t})#(?P<id>{i})'.format(
    t='|'.join(_TRACKERS),
    i='[0-9]+(?:#c[0-9]+)?'
)


class SuseTrackersURLHandler(URLHandler):
    capabilities = ['url_handler']
    handler_name = 'suse_rpm_trackers'
    match = r'\b'+_MATCH+r'\b'

    def callback(self, ref):
        fields = re.match(_MATCH, ref).groupdict()
        template = _TRACKERS[fields['tracker'].lower()]
        bug_id = fields['id']
        return template.format(bug_id)


# Other ideas from gtk3-devel's changelog:
# bgo#N
# bmo#N
# bnc#N
# bog#N
# boo#N
# bsc#N
# bug#N
# commit#X
# glgo#GNOME/GTK#N
# kde#N