"""Хелперы доступа к ../fixtures: каталог из ARM_KA_FIXTURES, список файлов ОСВ без синтетики, причина skip."""

from pathlib import Path

import pytest
from fixtures_helpers import (
    FIXTURES_ENV,
    fixtures_skip_reason,
    osv_dkb_files,
    osv_fixture_files,
    resolve_fixtures_dir,
    synthetic_files,
    synthetic_skip_reason,
)


def test_env_overrides_fixtures_dir(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
    monkeypatch.setenv(FIXTURES_ENV, str(tmp_path))
    assert resolve_fixtures_dir() == tmp_path


def test_default_fixtures_dir_is_sibling_of_repository(monkeypatch: pytest.MonkeyPatch) -> None:
    monkeypatch.delenv(FIXTURES_ENV, raising=False)
    assert resolve_fixtures_dir() == Path(__file__).resolve().parents[4] / "fixtures"


def test_no_osv_directory_gives_no_files(tmp_path: Path) -> None:
    assert osv_fixture_files(tmp_path) == []
    assert synthetic_files(tmp_path) == []


def test_synthetic_excluded_and_foreign_files_ignored(tmp_path: Path) -> None:
    osv = tmp_path / "osv"
    (osv / "rb").mkdir(parents=True)
    (osv / "synthetic").mkdir()
    (osv / "rb" / "b.xlsx").write_bytes(b"")
    (osv / "a.xls").write_bytes(b"")
    (osv / "c.xlsb").write_bytes(b"")
    (osv / ".DS_Store").write_bytes(b"")
    (osv / "notes.txt").write_bytes(b"")
    (osv / "synthetic" / "s.xlsx").write_bytes(b"")
    (osv / "synthetic" / ".gitkeep").write_bytes(b"")
    (osv / "synthetic" / "README.md").write_bytes(b"")

    assert osv_fixture_files(tmp_path) == [osv / "a.xls", osv / "c.xlsb", osv / "rb" / "b.xlsx"]
    assert synthetic_files(tmp_path) == [osv / "synthetic" / "s.xlsx"]


def test_osv_dkb_files_skip_analysis_reports_and_hidden_files(tmp_path: Path) -> None:
    dkb = tmp_path / "osv-dkb"
    (dkb / "nm" / "2025-Q3").mkdir(parents=True)
    (dkb / "analysis-reports").mkdir()
    (dkb / "nm" / "2025-Q3" / "a.xlsx").write_bytes(b"")
    (dkb / "nm" / "2025-Q3" / "~$a.xlsx").write_bytes(b"")
    (dkb / "nm" / "README.md").write_bytes(b"")
    (dkb / "analysis-reports" / "report.xls").write_bytes(b"")

    assert osv_dkb_files(tmp_path) == [dkb / "nm" / "2025-Q3" / "a.xlsx"]
    assert osv_dkb_files(tmp_path / "нет") == []


def test_hidden_and_excel_lock_files_are_ignored(tmp_path: Path) -> None:
    """T1.1: скрытые файлы и каталоги и lock-файлы Excel (`~$…`, пока книга открыта) — не фикстуры."""
    osv = tmp_path / "osv"
    (osv / "rb" / ".cache").mkdir(parents=True)
    (osv / "synthetic").mkdir()
    for path in (
        osv / "rb" / "b.xlsx",
        osv / "rb" / "~$b.xlsx",
        osv / "rb" / ".b.xlsx",
        osv / "rb" / ".cache" / "c.xlsx",
        osv / "synthetic" / "s.xlsx",
        osv / "synthetic" / "~$s.xlsx",
        osv / "synthetic" / ".s.xls",
    ):
        path.write_bytes(b"")

    assert osv_fixture_files(tmp_path) == [osv / "rb" / "b.xlsx"]
    assert synthetic_files(tmp_path) == [osv / "synthetic" / "s.xlsx"]


def test_skip_reason_mentions_env_and_path(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
    missing = tmp_path / "нет-такого"
    monkeypatch.setenv(FIXTURES_ENV, str(missing))
    reason = fixtures_skip_reason()
    assert reason is not None
    assert FIXTURES_ENV in reason
    assert str(missing) in reason


def test_skip_reason_none_when_available(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
    (tmp_path / "osv").mkdir()
    monkeypatch.setenv(FIXTURES_ENV, str(tmp_path))
    assert fixtures_skip_reason() is None


def test_synthetic_skip_reason_when_fixtures_exist_but_synthetic_is_missing_or_empty(
    tmp_path: Path, monkeypatch: pytest.MonkeyPatch
) -> None:
    (tmp_path / "osv").mkdir()
    monkeypatch.setenv(FIXTURES_ENV, str(tmp_path))
    reason = synthetic_skip_reason()
    assert reason is not None
    assert "osv" in reason
    assert "synthetic" in reason

    (tmp_path / "osv" / "synthetic").mkdir()
    (tmp_path / "osv" / "synthetic" / "README.md").write_bytes(b"")
    assert synthetic_skip_reason() == reason

    (tmp_path / "osv" / "synthetic" / "s01.xlsx").write_bytes(b"")
    assert synthetic_skip_reason() is None


def test_synthetic_skip_reason_is_none_without_fixtures(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
    monkeypatch.setenv(FIXTURES_ENV, str(tmp_path / "нет"))
    assert synthetic_skip_reason() is None  # причину тогда даёт fixtures_skip_reason