"""Тесты разбора формы расписаний (без HTTP и БД)."""

from __future__ import annotations

from admin.forms import format_weekdays, parse_schedule_fields


def _parse(**overrides: object) -> tuple[dict | None, list[str]]:
    fields: dict[str, object] = {
        "template_key": "notify.blago",
        "hour": "17",
        "minute": "0",
        "weekdays": [],
        "timezone": "Europe/Moscow",
        "description": "Благо",
        "enabled": True,
    }
    fields.update(overrides)
    return parse_schedule_fields(**fields)  # type: ignore[arg-type]


def test_format_weekdays() -> None:
    assert format_weekdays([]) == "каждый день"
    assert format_weekdays((5, 1, 3, 3)) == "Пн, Ср, Пт"


def test_parse_valid_daily_schedule() -> None:
    data, errors = _parse()

    assert errors == []
    assert data == {
        "template_key": "notify.blago",
        "hour": 17,
        "minute": 0,
        "weekdays": [],
        "timezone": "Europe/Moscow",
        "enabled": True,
        "description": "Благо",
    }


def test_parse_weekdays_are_sorted_and_deduplicated() -> None:
    data, errors = _parse(weekdays=["5", "1", "5"])

    assert errors == []
    assert data is not None
    assert data["weekdays"] == [1, 5]


def test_parse_default_timezone() -> None:
    data, errors = _parse(timezone="")

    assert errors == []
    assert data is not None
    assert data["timezone"] == "Europe/Moscow"


def test_parse_rejects_bad_hour() -> None:
    data, errors = _parse(hour="25")

    assert data is None
    assert "Час должен быть от 0 до 23" in errors


def test_parse_rejects_non_numeric_minute() -> None:
    data, errors = _parse(minute="abc")

    assert data is None
    assert "Минуты должны быть числом" in errors


def test_parse_rejects_bad_weekday() -> None:
    data, errors = _parse(weekdays=["9"])

    assert data is None
    assert any("День недели" in error for error in errors)


def test_parse_rejects_unknown_timezone() -> None:
    data, errors = _parse(timezone="Mars/Olympus")

    assert data is None
    assert any("таймзона" in error for error in errors)


def test_parse_rejects_empty_template() -> None:
    data, errors = _parse(template_key="")

    assert data is None
    assert "Выберите шаблон сообщения" in errors


def test_parse_rejects_long_description() -> None:
    data, errors = _parse(description="x" * 201)

    assert data is None
    assert any("Описание длиннее" in error for error in errors)