from unittest.mock import MagicMock

import pytest
from fastapi import HTTPException

from porchlight.dependencies import get_session_user, require_session_user


def test_get_session_user_none_when_missing() -> None:
    request = MagicMock()
    request.session = {}
    assert get_session_user(request) is None


def test_get_session_user_returns_tuple() -> None:
    request = MagicMock()
    request.session = {"userid": "u1", "username": "alice"}
    assert get_session_user(request) == ("u1", "alice")


def test_get_session_user_none_when_partial() -> None:
    request = MagicMock()
    request.session = {"userid": "u1"}  # missing username
    assert get_session_user(request) is None


def test_require_session_user_raises_when_missing() -> None:
    request = MagicMock()
    request.session = {}
    with pytest.raises(HTTPException) as exc_info:
        require_session_user(request)
    assert exc_info.value.status_code == 401


def test_require_session_user_returns_tuple() -> None:
    request = MagicMock()
    request.session = {"userid": "u1", "username": "alice"}
    assert require_session_user(request) == ("u1", "alice")