"""Конвертер плана счетов 1С в csv seed (issue #23): иерархия по структуре кода, kind и забалансовость из выгрузки."""

from pathlib import Path

import pytest

from scripts.convert_chart_1c import ChartRow, convert, read_xlsx, write_csv
from scripts.seed import load_seed

API_DIR = Path(__file__).resolve().parent.parent
SEED_DIR = API_DIR / "seed"
CHART_SIZE = 488
XLSX = API_DIR.parent.parent / "fixtures" / "directories" / "chart-of-accounts-1c.xlsx"


def _rec(code: str, name: str = "Счёт", kind: str = "АП", off: str = "Нет") -> dict[str, object]:
    return {"Код счета": code, "Наименование счета": name, "Вид": kind, "Заб.": off}


def test_convert_builds_hierarchy_kind_and_row_type() -> None:
    rows = convert(
        [_rec("01", kind="А"), _rec("01.К", kind="А"), _rec("76", kind="АП"), _rec("76.07"), _rec("76.07.1", kind="П")]
    )
    assert rows == [
        ChartRow("01", "", "Счёт", "A", "account", False),
        ChartRow("01.К", "01", "Счёт", "A", "subaccount", False),
        ChartRow("76", "", "Счёт", "AP", "account", False),
        ChartRow("76.07", "76", "Счёт", "AP", "subaccount", False),
        ChartRow("76.07.1", "76.07", "Счёт", "P", "analytic", False),
    ]


def test_convert_off_balance_from_column_and_name_whitespace_collapsed() -> None:
    (row,) = convert([_rec("МЦ", name="  Материальные   ценности ", kind="А", off="Да")])
    assert row.is_off_balance is True
    assert row.name == "Материальные ценности"


def test_convert_orphan_without_any_ancestor_gets_empty_parent() -> None:
    rows = convert([_rec("Я68.01"), _rec("Я69.06.5")])
    assert [(r.code, r.parent_code, r.row_type) for r in rows] == [
        ("Я68.01", "", "subaccount"),
        ("Я69.06.5", "", "analytic"),
    ]


def test_convert_rejects_gap_in_hierarchy() -> None:
    with pytest.raises(ValueError, match="более дальний предок"):
        convert([_rec("76"), _rec("76.07.1")])


@pytest.mark.parametrize(
    ("records", "message"),
    [
        ([_rec("01"), _rec("01")], "повторяются"),
        ([_rec("01", kind="Х")], "неизвестный вид"),
        ([_rec("01", off="да?")], "Да или Нет"),
        ([_rec("01", name=" ")], "пустое наименование"),
        ([_rec("01.01.1.1")], "глубина"),
    ],
)
def test_convert_rejects_bad_rows(records: list[dict[str, object]], message: str) -> None:
    with pytest.raises(ValueError, match=message):
        convert(records)


@pytest.mark.skipif(not XLSX.is_file(), reason="fixtures/directories/chart-of-accounts-1c.xlsx недоступен")
def test_repository_seed_matches_1c_export(tmp_path: Path) -> None:
    """Дрейф: seed/core/chart_of_accounts.csv побайтно равен результату конвертера на выгрузке 1С."""
    out = tmp_path / "chart.csv"
    write_csv(convert(read_xlsx(XLSX)), out)
    assert out.read_text(encoding="utf-8") == (SEED_DIR / "core" / "chart_of_accounts.csv").read_text(encoding="utf-8")
    assert len(load_seed(SEED_DIR).accounts) == CHART_SIZE