'''
This file is part of JANINE.

JANINE 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.

JANINE 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 JANINE.  If not, see <https://www.gnu.org/licenses/>.
'''

class WarningSources:
    '''
    A collection of sources of the BBK
    '''
    @staticmethod
    def bbk_dwd():
        return 'https://warnung.bund.de/bbk.dwd/unwetter.json'

    @staticmethod
    def bbk_mowas():
        return 'https://warnung.bund.de/bbk.mowas/gefahrendurchsagen.json'

    @staticmethod
    def bbk_biwapp():
        return 'https://warnung.bund.de/bbk.biwapp/warnmeldungen.json'

    @staticmethod
    def bbk_ihp():
        return 'https://warnung.bund.de/bbk.lhp/hochwassermeldungen.json'

    @staticmethod
    def source_by_name(name):
        return {
                'IHP': WarningSources.bbk_ihp(),
                'DWD': WarningSources.bbk_dwd(),
                'MOWAS': WarningSources.bbk_mowas(),
                'BIWAPP': WarningSources.bbk_biwapp()
                }[name]

class MiscDataSources:
    '''
    A collection of other data sources for various use cases
    '''
    @staticmethod
    def channels():
        '''
        These are the valid names to retrieve warnings for
        '''
        return 'https://warnung.bund.de/assets/json/suche_channel.json'

def sources_from_config(config):
    sources = []
    for module in ('IHP', 'DWD', 'BIWAPP', 'MOWAS'):
        option = config['General'].get(module, 'n')

        if option == 'y':
            sources.append(WarningSources.source_by_name(module))

    return sources