# Copyright 2022 Google LLC
#
# 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
#
#     https://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.
"""Module for executing queries in BigQuery."""
from __future__ import annotations

import warnings

from gaarf import executors


class BigQueryExecutor:
    """Deprecated class for creating BigQueryExecutor."""

    def __new__(
            cls,
            project_id: str,
            location: str | None = None
    ) -> executors.bq_executor.BigQueryExecutor:
        warnings.warn(
            'Loading BigQueryExecutor from `gaarf.bq_executor` is '
            'deprecated; Import BigQueryExecutor from '
            '`gaarf.executors.bq_executor` instead',
            category=DeprecationWarning,
            stacklevel=2)
        return executors.bq_executor.BigQueryExecutor(project_id, location)


def extract_datasets(macros: dict[str, str] | None = None) -> list[str] | None:
    """Deprecated method for extracting BigQuery datasets."""
    warnings.warn(
        'Loading `extract_datasets` from `gaarf.bq_executor` is '
        'deprecated; Import `extract_datasets` from '
        '`gaarf.executors.bq_executor` instead',
        category=DeprecationWarning,
        stacklevel=2)
    return executors.bq_executor.extract_datasets(macros)
