from pathlib import Path
from unittest.mock import patch

from django.test import TestCase, override_settings

from workflows.models import WorkflowConfig
from workflows.services import upload_to_nextcloud


class NextcloudServiceTests(TestCase):
    @override_settings(NEXTCLOUD_ENABLED=False)
    @patch('workflows.services.requests.put')
    def test_upload_returns_false_when_disabled(self, mock_put):
        result = upload_to_nextcloud(Path('/tmp/nonexistent.txt'), 'x.txt')
        self.assertFalse(result)
        mock_put.assert_not_called()

    @override_settings(
        NEXTCLOUD_ENABLED=True,
        NEXTCLOUD_BASE_URL='https://cloud.example/remote.php/dav/files/test-user',
        NEXTCLOUD_DIRECTORY='Onboarding',
        NEXTCLOUD_USERNAME='u',
        NEXTCLOUD_PASSWORD='p',
    )
    @patch('workflows.services.requests.request')
    @patch('workflows.services.requests.put')
    def test_upload_calls_webdav_and_accepts_201(self, mock_put, mock_request):
        temp_file = Path('/tmp/nextcloud_mock_upload.txt')
        temp_file.write_text('hello', encoding='utf-8')
        mock_request.return_value.status_code = 201
        mock_put.return_value.status_code = 201

        try:
            result = upload_to_nextcloud(temp_file, 'target.txt')
        finally:
            temp_file.unlink(missing_ok=True)

        self.assertTrue(result)
        self.assertEqual(mock_put.call_count, 1)
        called_url = mock_put.call_args.kwargs['url'] if 'url' in mock_put.call_args.kwargs else mock_put.call_args.args[0]
        self.assertTrue(called_url.endswith('/Onboarding/target.txt'))

    @override_settings(
        NEXTCLOUD_ENABLED=True,
        NEXTCLOUD_BASE_URL='https://cloud.example/remote.php/dav/files/env-user',
        NEXTCLOUD_DIRECTORY='EnvFolder',
        NEXTCLOUD_USERNAME='env-user',
        NEXTCLOUD_PASSWORD='env-pass',
    )
    @patch('workflows.services.requests.request')
    @patch('workflows.services.requests.put')
    def test_upload_prefers_workflowconfig_overrides(self, mock_put, mock_request):
        WorkflowConfig.objects.update_or_create(
            name='Default',
            defaults={
                'nextcloud_enabled_override': True,
                'nextcloud_base_url_override': 'https://cloud.example/remote.php/dav/files/admin-user',
                'nextcloud_directory_override': 'AdminFolder',
                'nextcloud_username_override': 'admin-user',
                'nextcloud_password_override': 'admin-pass',
            },
        )
        temp_file = Path('/tmp/nextcloud_override_upload.txt')
        temp_file.write_text('hello', encoding='utf-8')
        mock_request.return_value.status_code = 201
        mock_put.return_value.status_code = 201

        try:
            result = upload_to_nextcloud(temp_file, 'override.txt')
        finally:
            temp_file.unlink(missing_ok=True)

        self.assertTrue(result)
        called_url = mock_put.call_args.kwargs['url'] if 'url' in mock_put.call_args.kwargs else mock_put.call_args.args[0]
        self.assertTrue(called_url.endswith('/AdminFolder/override.txt'))
        auth = mock_put.call_args.kwargs.get('auth')
        self.assertEqual(auth, ('admin-user', 'admin-pass'))