import pytest


@pytest.fixture
def example_file(example_root):
    return example_root / "Verbrauchsmittel-Toto-2020.xlsx"


@pytest.fixture
def example_workbook(example_file):
    import openpyxl

    yield openpyxl.open(example_file)


@pytest.mark.parametrize(
    "input,expected",
    [
        ("a", False),
        ("", True),
        (" ", True),
        (" a ", False),
        (None, True),
        (0, False),
        (2.2, False),
    ],
)
def test_is_empty_excel_value(input, expected):
    from superx_budget.helpers import is_empty_excel_value

    result = is_empty_excel_value(input)

    assert result == expected


@pytest.mark.parametrize(
    "input,expected",
    [
        ("a", "a"),
        ("", ""),
        (" ", ""),
        (" a ", "a"),
        (None, None),
        (1, 1),
        (2.2, 2.2),
    ],
)
def test_strip_excel_value(input, expected):
    from superx_budget.helpers import strip_excel_value

    result = strip_excel_value(input)

    assert result == expected


def test_get_sheet_of_file_first(example_file):
    from superx_budget.helpers import get_sheet_of_file

    sheet = get_sheet_of_file(example_file)  # sheet=None
    first_row = next(sheet.values)
    first_cell = first_row[0]

    assert first_cell.strip() == "Nr."


def test_get_sheet_of_file_named(example_file):
    from superx_budget.helpers import get_sheet_of_file

    sheet = get_sheet_of_file(example_file, sheet="Safeguard I")
    first_row = next(sheet.values)
    first_cell = first_row[0]

    assert first_cell == 1