from __future__ import annotations

from pathlib import Path

from yt_shorts_downloader.session import validate_session_file


def test_validate_session_file_accepts_valid_youtube_session(tmp_path: Path) -> None:
    session_file = tmp_path / 'cookies.txt'
    session_file.write_text(
        '\n'.join(
            [
                '# Netscape HTTP Cookie File',
                '.youtube.com\tTRUE\t/\tFALSE\t9999999999\tSID\tvalue1',
                '.youtube.com\tTRUE\t/\tTRUE\t9999999999\tSAPISID\tvalue2',
                '.youtube.com\tTRUE\t/\tTRUE\t9999999999\tLOGIN_INFO\tvalue3',
            ]
        ),
        encoding='utf-8',
    )

    validation = validate_session_file(session_file)

    assert validation.exists is True
    assert validation.structurally_valid is True
    assert validation.fresh is True
    assert validation.is_usable is True


def test_validate_session_file_rejects_invalid_format(tmp_path: Path) -> None:
    session_file = tmp_path / 'cookies.txt'
    session_file.write_text('broken\trow', encoding='utf-8')

    validation = validate_session_file(session_file)

    assert validation.exists is True
    assert validation.structurally_valid is False
    assert validation.is_usable is False