"""Хелпер тестов `gridbuilder`: «картинка» строк превращается в `Sheet` так же, как его видят детекторы."""

from decimal import Decimal

import pytest
from gridbuilder import C, L, M, at, sheet_from_rows

from src.parser.grid import MergedRange


def test_rows_and_columns_are_one_based_and_values_typed() -> None:
    sheet = sheet_from_rows([["Счет", 100, Decimal("1.50")], [], [None, "x"]])

    assert sheet.cell(1, 1).text == "Счет"
    assert sheet.cell(1, 2).value == Decimal(100)
    assert sheet.cell(1, 2).kind == "number"
    assert sheet.cell(1, 3).value == Decimal("1.50")
    assert sheet.cell(3, 2).text == "x"
    assert (sheet.n_rows, sheet.n_cols) == (3, 3)


def test_merged_cell_occupies_its_width_and_covers_rows_below() -> None:
    sheet = sheet_from_rows([[M("Сальдо", 2, 2), "Обороты"], [None, None, "Дебет"]])

    assert sheet.merged == (MergedRange(1, 1, 2, 2),)
    assert sheet.cell(1, 3).text == "Обороты"
    assert sheet.text_at(2, 2) == "Сальдо"
    assert sheet.cell(2, 3).text == "Дебет"


def test_value_under_merged_range_is_rejected() -> None:
    with pytest.raises(ValueError, match="merged"):
        sheet_from_rows([[M("Сальдо", 1, 2)], ["лишнее"]])


def test_outline_style_and_sparse_rows() -> None:
    sheet = sheet_from_rows([[L(2), C("60.01", bold=True, indent=3)], at({4: 7})])

    assert [sheet.outline(1)] == [2]
    assert sheet.outline(2) == 0
    assert sheet.cell(1, 1).bold
    assert [sheet.cell(1, 1).indent] == [3]
    assert sheet.cell(2, 4).value == Decimal(7)
    assert [sheet.n_cols] == [4]


def test_whitespace_text_is_kept_as_a_cell_but_row_is_empty_for_detectors() -> None:
    sheet = sheet_from_rows([[" ", "\u00a0"]])

    assert (1, 1) in sheet.cells
    assert sheet.is_row_empty(1)


def test_float_is_rejected() -> None:
    with pytest.raises(TypeError, match="float"):
        sheet_from_rows([[0.1]])