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# regarding copyright ownership.  The ASF licenses this file
# to you 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.

import sys

from datafusion import SessionContext, Worker, WorkerQueryContext


def build_worker_session(context: WorkerQueryContext) -> SessionContext:
    return context.session_context()


def main() -> None:
    port = int(sys.argv[1]) if len(sys.argv) > 1 else 50051
    worker = Worker.from_session_builder(build_worker_session).with_version(
        "python-example"
    )
    print(f"Starting datafusion-distributed worker on http://127.0.0.1:{port}")
    worker.serve("127.0.0.1", port)


if __name__ == "__main__":
    main()