#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (C) 2012  Étienne Loks <etienne.loks_AT_peacefrogsDOTnet>

# This program 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.

# 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 Affero General Public License for more details.

# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# See the file COPYING for details.

from django.core.management.base import BaseCommand, CommandError
from archaeological_operations.utils import import_from_csv

class Command(BaseCommand):
    args = '<filename> [<update>]'
    help = "Import archaelogical operation from a CSV file."

    def handle(self, *args, **options):
        if not args or not args[0]:
            raise CommandError("No CSV file provided." % args[0])
        nb_ops, errors = import_from_csv(args[0],
                             update=len(args) > 1 and args[1],
                             stdout=self.stdout)
        self.stdout.write('\n* %d operation treated\n' % nb_ops)
        if errors:
            self.stderr.write('\n'.join(errors))