#!/usr/bin/env python3

# Copyright (C) 2015  The Software Heritage developers
# See the AUTHORS file at the top-level directory of this distribution
# License: GNU General Public License version 3, or any later version
# See top-level LICENSE file for more information

import logging
import os
import sys

from swh.storage.storage import Storage
from swh.model.hashutil import MultiHash

if __name__ == '__main__':
    try:
        db_connstring = sys.argv[1]
        obj_root = sys.argv[2]
        dirname = sys.argv[3]
    except IndexError:
        print('Usage: swh-storage-add-dir' +
              ' DB_CONNSTRING OBJ_STORAGE_DIR DATA_DIR')
        print('Example: swh-storage-add-dir "dbname=swh user=foo"' +
              ' /srv/softwareheritage/objects /usr/src/linux-4.2')
        sys.exit(1)

    logging.basicConfig(level=logging.INFO)

    storage = Storage(db_connstring, obj_root)

    def list_content():
        for root, _dirs, files in os.walk(dirname):
            for name in files:
                path = os.path.join(root, name)
                cont = MultiHash.from_path(path).digest()
                cont['data'] = open(path, 'rb').read()
                yield cont

    storage.content_add(list_content())