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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
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#
#   http://www.apache.org/licenses/LICENSE-2.0
#
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from datetime import datetime
from typing import Optional

import pytest
import pytz
from flask.ctx import AppContext


@pytest.mark.parametrize(
    "target_type,dttm,result",
    [
        ("VARCHAR", datetime(2022, 1, 1), None),
        ("DATE", datetime(2022, 1, 1), "DATE '2022-01-01'"),
        (
            "TIMESTAMP",
            datetime(2022, 1, 1, 1, 23, 45, 600000),
            "TIMESTAMP '2022-01-01 01:23:45.600'",
        ),
        (
            "TIMESTAMP WITH TIME ZONE",
            datetime(2022, 1, 1, 1, 23, 45, 600000),
            "TIMESTAMP '2022-01-01 01:23:45.600'",
        ),
        (
            "TIMESTAMP WITH TIME ZONE",
            datetime(2022, 1, 1, 1, 23, 45, 600000, tzinfo=pytz.UTC),
            "TIMESTAMP '2022-01-01 01:23:45.600+00:00'",
        ),
    ],
)
def test_convert_dttm(
    app_context: AppContext,
    target_type: str,
    dttm: datetime,
    result: Optional[str],
) -> None:
    from superset.db_engine_specs.presto import PrestoEngineSpec

    for case in (str.lower, str.upper):
        assert PrestoEngineSpec.convert_dttm(case(target_type), dttm) == result