# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
# This source code is licensed under the license found in the
# LICENSE file in the root directory of this source tree.

from typing import Dict

from data.data_types import Video

ALL_VIDEOS: Dict[str, Video] = []


def set_videos(videos: Dict[str, Video]) -> None:
    """
    Set the videos available in the backend. The data is kept in-memory, but a future change could replace the
    in-memory storage with a database backend. This would also be more efficient when querying videos given a
    dataset name etc.
    """
    global ALL_VIDEOS
    ALL_VIDEOS = videos


def get_videos() -> Dict[str, Video]:
    """
    Return the videos available in the backend.
    """
    global ALL_VIDEOS
    return ALL_VIDEOS