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


@patch('project_manager.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(
        environment=config.ENVIRONMENT,
        service_name=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('project_manager.api.PdpAuthorizationBackend')
@patch('project_manager.api.OwsPdpClient')
def test_setup_authorization_backend_wraps_ows_client_in_pdp_client(
        mock_pdp_client, mock_pdp_backend):
    """Verify ows_client is wrapped 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_satisfy_expected_interfaces():
    """Verify module-level globals satisfy the expected interfaces."""
    assert isinstance(ows_client, OwsClient)
    for method in (
        'is_authorized',
        'is_authorized_many',
        'is_authorized_many_resources_and_actions',
        'get_authorized_tenants',
    ):
        assert callable(getattr(authorization_backend, method, None))