# ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========

import time

from mirage.accessor.gridfs import GridFSAccessor
from mirage.cache.context import invalidate_after_write, invalidate_ancestors
from mirage.core.gridfs._client import _key, bucket
from mirage.observe.context import record
from mirage.types import PathSpec


async def write_bytes(accessor: GridFSAccessor, path_spec: PathSpec,
                      data: bytes) -> None:
    # Uploads a new revision; older revisions stay in fs.files, so reads
    # pinned to an old revision _id keep working (GridFS-native versioning).
    path = path_spec.mount_path
    config = accessor.config
    key = _key(path, config)
    start_ms = int(time.monotonic() * 1000)
    await bucket(accessor).upload_from_stream(key, data)
    record("write", path, "gridfs", len(data), start_ms)
    await invalidate_after_write(path_spec)
    # An upload materializes every missing level of the key at once, so the
    # listings above the immediate parent gained entries too.
    await invalidate_ancestors(path_spec)
