"""Tests for main application."""

from unittest.mock import Mock, patch

import pytest
from fastapi import FastAPI

from app.main import app_factory, lifespan, main


@pytest.mark.asyncio
async def test_lifespan() -> None:
    """Test lifespan context manager."""
    app = FastAPI()

    with (
        patch("app.main.init_db") as mock_init,
        patch("app.main.close_db") as mock_close,
    ):
        async with lifespan(app):
            mock_init.assert_called_once()
            mock_close.assert_not_called()
        mock_close.assert_called_once()


def test_app_factory() -> None:
    """Test app factory creates FastAPI app."""
    app = app_factory()
    assert isinstance(app, FastAPI)


def test_app_factory_has_routes() -> None:
    """Test app has registered routes."""
    app = app_factory()
    routes = [str(route.path) for route in app.routes if hasattr(route, "path")]
    assert "/health" in routes
    # Check that API routes are included
    assert any("api" in path for path in routes)


@patch("app.main.uvicorn.run")
def test_main(mock_uvicorn_run: Mock) -> None:
    """Test main function starts uvicorn."""
    main()
    mock_uvicorn_run.assert_called_once()
    call_kwargs = mock_uvicorn_run.call_args.kwargs
    assert call_kwargs.get("factory") is True
    assert call_kwargs.get("host") == "0.0.0.0"
    assert call_kwargs.get("port") == 8000