"""Test configuration and fixtures for the backend tests."""

import logging
from collections.abc import Generator
from datetime import datetime
from unittest.mock import AsyncMock
from unittest.mock import MagicMock
from unittest.mock import patch

import pytest
from fastapi.testclient import TestClient
from sqlalchemy.ext.asyncio import AsyncSession

from backend.main import app
from backend.models import Booking
from backend.models import Invitee
from backend.models import Room
from backend.models import User
from backend.services.bookings import BookingList
from backend.services.rooms import RoomList
from backend.services.users import UserList


@pytest.fixture
def async_session() -> AsyncSession:
    """Fixture to provide a mocked AsyncSession for database interactions."""
    return AsyncMock(spec=AsyncSession)


@pytest.fixture
def client() -> TestClient:
    """Fixture to provide a FastAPI TestClient for testing endpoints."""
    return TestClient(app)


@pytest.fixture
def mock_logger(request: pytest.FixtureRequest) -> Generator[MagicMock, None, None]:
    """Fixture to mock a logger for a specified module path.

    Args:
        request: Pytest request object, used to pass the module path for patching.
        Provide the path via `request.param` when using the fixture.
    """
    # Default path if none provided, or use the parameterized path
    module_path = getattr(request, "param", "backend") + ".logger"

    mock_logger_instance = MagicMock(spec=logging.Logger)
    with patch(module_path, mock_logger_instance):
        yield mock_logger_instance


@pytest.fixture
def sample_users() -> UserList:
    """Fixture to provide sample User objects for testing."""
    return [
        User(email="user1@example.com", name="User One"),
        User(email="user2@example.com", name="User Two"),
    ]


@pytest.fixture
def sample_rooms() -> RoomList:
    """Fixture to provide sample Room objects for testing."""
    return [
        Room(
            id=1,
            name="Room 1",
            location="Building A",
            equipment="Projector",
            capacity=10,
        ),
        Room(
            id=2,
            name="Room 2",
            location="Building B",
            equipment="Whiteboard",
            capacity=15,
        ),
    ]


@pytest.fixture
def sample_room(sample_rooms: RoomList) -> Room:
    """Fixture to provide a sample Room object for testing."""
    return sample_rooms[0]


@pytest.fixture
def sample_bookings(sample_room: Room) -> BookingList:
    """Fixture to provide sample Booking objects for testing."""
    booking1 = Booking(
        room_id=1,
        start_time=datetime.fromisoformat("2025-08-25T10:00:00"),
        end_time=datetime.fromisoformat("2025-08-25T11:00:00"),
    )
    booking1.id = 1  # Manually set ID for testing purposes
    booking1.room = sample_room  # Attach room relationship
    booking2 = Booking(
        room_id=1,
        start_time=datetime.fromisoformat("2025-08-25T12:00:00"),
        end_time=datetime.fromisoformat("2025-08-25T13:00:00"),
    )
    booking2.id = 2  # Manually set ID for testing purposes
    booking2.room = sample_room  # Attach room relationship
    return [booking1, booking2]


@pytest.fixture
def sample_booking(sample_bookings: BookingList) -> Booking:
    """Fixture to provide a sample Booking object for testing."""
    return sample_bookings[0]


@pytest.fixture
def sample_invitees(sample_booking: Booking, sample_users: UserList) -> list[Invitee]:
    """Fixture to provide sample Invitee objects for testing."""
    invitee1 = Invitee(booking_id=1, user_email="user1@example.com")
    invitee1.id = 1
    invitee1.booking = sample_booking
    invitee1.user = sample_users[0]
    invitee2 = Invitee(booking_id=1, user_email="user2@example.com")
    invitee2.id = 2
    invitee2.booking = sample_booking
    invitee2.user = sample_users[1]
    return [invitee1, invitee2]