#    Copyright (C) 2019  Alban Gruin
#
#    celcatsanitizer is free software: you can redistribute it and/or modify
#    it under the terms of the GNU Affero General Public License as published
#    by the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    celcatsanitizer 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 Affero General Public License for more details.
#
#    You should have received a copy of the GNU Affero General Public License
#    along with celcatsanitizer.  If not, see <http://www.gnu.org/licenses/>.

from django.core.management.base import BaseCommand

from ...models import Source
from .__parsercommand import ParserCommand

import json


class Command(BaseCommand, ParserCommand):
    help = "List values from courses from a source"

    def add_arguments(self, parser):
        parser.add_argument("--source", type=int, nargs=1, required=True)
        parser.add_argument("--limit", type=int, nargs=1)

    def handle(self, *args, **options):
        source = Source.objects.get(pk=options["source"][0])
        parser = self.get_parser()(source)
        events = [event for month in parser.get_source() for event in month]

        i = 0
        limit = len(events)
        if options["limit"] is not None:
            limit = min(options["limit"][0], limit)

        while i < limit:
            self.stdout.write(json.dumps(events[i], indent=4, sort_keys=True))
            i += 1

        self.stdout.write(self.style.SUCCESS("Done."))