"""Tests for Google Calendar service."""
from unittest.mock import MagicMock, patch

import pytest
from sqlalchemy.orm import Session

from app.models.booking import Booking
from app.models.google_calendar_token import GoogleCalendarToken
from app.models.space import Space
from app.services.google_calendar_service import (
    create_calendar_event,
    delete_calendar_event,
    get_google_calendar_service,
)


@pytest.fixture
def mock_google_calendar_token(db: Session) -> GoogleCalendarToken:
    """Create a mock Google Calendar token."""
    token = GoogleCalendarToken(
        user_id=1,
        access_token="mock_access_token",
        refresh_token="mock_refresh_token",
        token_expiry=None,
    )
    db.add(token)
    db.commit()
    db.refresh(token)
    return token


@pytest.fixture
def mock_booking(db: Session) -> Booking:
    """Create a mock booking with space."""
    space = Space(
        name="Test Space",
        description="Test Description",
        capacity=10,
        floor_level=1,
        building="Test Building",
    )
    db.add(space)
    db.commit()

    booking = Booking(
        user_id=1,
        space_id=space.id,
        title="Test Booking",
        description="Test Description",
        start_datetime="2024-06-15T10:00:00",
        end_datetime="2024-06-15T12:00:00",
        status="approved",
    )
    db.add(booking)
    db.commit()
    db.refresh(booking)
    return booking


def test_get_google_calendar_service_no_token(db: Session):
    """Test get_google_calendar_service with no token."""
    service = get_google_calendar_service(db, 999)
    assert service is None


@patch("app.services.google_calendar_service.build")
@patch("app.services.google_calendar_service.Credentials")
def test_get_google_calendar_service_success(
    mock_credentials: MagicMock,
    mock_build: MagicMock,
    db: Session,
    mock_google_calendar_token: GoogleCalendarToken,
):
    """Test successful Google Calendar service creation."""
    # Setup mocks
    mock_creds = MagicMock()
    mock_creds.expired = False
    mock_credentials.return_value = mock_creds

    mock_service = MagicMock()
    mock_build.return_value = mock_service

    service = get_google_calendar_service(db, 1)

    # Verify service was created
    assert service is not None
    mock_build.assert_called_once_with("calendar", "v3", credentials=mock_creds)


@patch("app.services.google_calendar_service.get_google_calendar_service")
def test_create_calendar_event_no_service(
    mock_get_service: MagicMock, db: Session, mock_booking: Booking
):
    """Test create_calendar_event with no service."""
    mock_get_service.return_value = None

    event_id = create_calendar_event(db, mock_booking, 1)

    assert event_id is None


@patch("app.services.google_calendar_service.get_google_calendar_service")
def test_create_calendar_event_success(
    mock_get_service: MagicMock, db: Session, mock_booking: Booking
):
    """Test successful calendar event creation."""
    # Setup mock service
    mock_service = MagicMock()
    mock_events = MagicMock()
    mock_insert = MagicMock()
    mock_execute = MagicMock()

    mock_service.events.return_value = mock_events
    mock_events.insert.return_value = mock_insert
    mock_insert.execute.return_value = {"id": "test_event_id"}

    mock_get_service.return_value = mock_service

    event_id = create_calendar_event(db, mock_booking, 1)

    assert event_id == "test_event_id"
    mock_events.insert.assert_called_once()


@patch("app.services.google_calendar_service.get_google_calendar_service")
def test_delete_calendar_event_success(mock_get_service: MagicMock, db: Session):
    """Test successful calendar event deletion."""
    # Setup mock service
    mock_service = MagicMock()
    mock_events = MagicMock()
    mock_delete = MagicMock()

    mock_service.events.return_value = mock_events
    mock_events.delete.return_value = mock_delete

    mock_get_service.return_value = mock_service

    result = delete_calendar_event(db, "test_event_id", 1)

    assert result is True
    mock_events.delete.assert_called_once_with(
        calendarId="primary", eventId="test_event_id"
    )


@patch("app.services.google_calendar_service.get_google_calendar_service")
def test_delete_calendar_event_no_service(mock_get_service: MagicMock, db: Session):
    """Test delete_calendar_event with no service."""
    mock_get_service.return_value = None

    result = delete_calendar_event(db, "test_event_id", 1)

    assert result is False