"""Tests for API factory functions."""

from unittest.mock import MagicMock, patch

from owsclient import OwsClient
from owsrequest.ows_client import correlation_id_getter, request_context_getter
from python_pdp_sdk.backends.authorization_backend import PdpAuthorizationBackend

from product_digital import config
from product_digital.api import (
    authorization_backend,
    ows_client,
    setup_authorization_backend,
    setup_ows_client,
)


@patch('product_digital.api.OwsClient')
def test_setup_ows_client_calls_constructor_with_config(mock_ows_client_class):
    """Verify setup_ows_client calls OwsClient constructor with config values."""
    setup_ows_client()
    mock_ows_client_class.assert_called_once_with(
        config.ENVIRONMENT,
        config.SERVICE_NAME,
        correlation_id_getter=correlation_id_getter,
        request_context_getter=request_context_getter,
    )


def test_setup_ows_client_returns_ows_client_instance():
    """Verify setup_ows_client returns an OwsClient instance."""
    result = setup_ows_client()
    assert isinstance(result, OwsClient)


@patch('product_digital.api.PdpAuthorizationBackend')
@patch('product_digital.api.OwsPdpClient')
def test_setup_authorization_backend_wraps_ows_client_in_pdp_client(mock_pdp_client, mock_pdp_backend):
    """Verify setup_authorization_backend wraps the ows_client in OwsPdpClient and PdpAuthorizationBackend."""
    mock_ows_client = MagicMock()
    result = setup_authorization_backend(mock_ows_client)
    mock_pdp_client.assert_called_once_with(mock_ows_client)
    mock_pdp_backend.assert_called_once_with(mock_pdp_client.return_value)
    assert result is mock_pdp_backend.return_value


def test_module_level_globals_are_correct_types():
    """Verify module-level globals are instances of the expected types."""
    assert isinstance(ows_client, OwsClient)
    assert isinstance(authorization_backend, PdpAuthorizationBackend)