# Copyright 2017-2018  Lars Wirzenius
#
# 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/>.


import apifw


import ick2


class BlobAPI:

    def __init__(self):
        self._blobs = ick2.BlobStore()

    def get_blob_directory(self):
        return self._blobs.get_blob_directory()

    def set_blob_directory(self, dirname):
        self._blobs.set_blob_directory(dirname)

    def find_missing_route(self, missing_path):
        path = '/blobs/<blob_id>'
        return [
            {
                'method': 'PUT',
                'path': path,
                'callback': self.put_blob,
                'big-blobs': True,
            },
            {
                'method': 'GET',
                'path': path,
                'callback': self.get_blob,
            },
        ]

    def put_blob(self, content_type, body, blob_id, **kwargs):
        ick2.log.log(
            'info', msg_text='blob uploaded', blob_id=blob_id, kwargs=kwargs)
        self._blobs.store_blob_from_reader(blob_id, body)
        return ick2.OK('')

    def get_blob(self, content_type, body, blob_id, **kwargs):
        filename = self._blobs.blob_filename(blob_id)
        ick2.log.log(
            'info', msg_text='blob requested', blob_id=blob_id, kwargs=kwargs,
            filename=filename)
        raise apifw.StaticFile(filename)