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