from pathlib import Path
from unittest.mock import MagicMock

from logwatcher.utils import get_or_create_folder, is_log_file


def test_is_log_file(tmp_path: Path):
    """Assert only .log, .txt or file without extensions are valid.

    Args:
        tmp_path: Temporary root path for testing results

    """
    # set up files
    Path(tmp_path / "a.log").touch()
    Path(tmp_path / "a.txt").touch()
    Path(tmp_path / "a.csv").touch()
    Path(tmp_path / "a.py").touch()
    Path(tmp_path / "a").touch()
    Path(tmp_path / "a.pdf").touch()

    # test
    assert is_log_file(Path(tmp_path / "a.log"))
    assert is_log_file(Path(tmp_path / "a.txt"))
    assert is_log_file(Path(tmp_path / "a"))  # without extensions
    assert not is_log_file(Path(tmp_path / "a.csv"))
    assert not is_log_file(Path(tmp_path / "a.py"))
    assert not is_log_file(Path(tmp_path / "a.pdf"))


def test_get_or_create_analyzed_folder_exists(make_mock_account, monkeypatch):
    """Returns the existing 'Analyzed' folder without creating it.

    Args:
        make_mock_account: Fake account owning the Logs folder
        monkeypatch: MonkeyPatch to generate test context

    """
    existing_folder = MagicMock()
    account = make_mock_account(analyzed_folder=existing_folder)

    fake_folder_cls = MagicMock()
    with monkeypatch.context() as m:
        m.setattr("logwatcher.utils.Folder", fake_folder_cls)
        result = get_or_create_folder(account, "Analyzed")

    assert result is existing_folder
    fake_folder_cls.assert_not_called()


def test_get_or_create_analyzed_folder_creates(make_mock_account, monkeypatch):
    """Creates the 'Analyzed' folder when it doesn't exist."""
    account = make_mock_account(analyzed_folder=None)

    fake_folder_instance = MagicMock()
    fake_folder_cls = MagicMock(return_value=fake_folder_instance)
    with monkeypatch.context() as m:
        m.setattr("logwatcher.utils.Folder", fake_folder_cls)
        result = get_or_create_folder(account, "Analyzed")

    assert result is fake_folder_instance
    fake_folder_instance.save.assert_called_once()